Update devcontainer.json

Existing parts of frontend can access backend.

.devcontainer/devcontainer.json

@@ -0,0 +1,40 @@
+{
+  "image": "mcr.microsoft.com/devcontainers/universal:2",
+  "hostRequirements": {
+    "cpus": 4
+  },
+  "waitFor": "onCreateCommand",
+  "onCreateCommand": "curl -LsS https://r.mariadb.com/downloads/mariadb_repo_setup | sudo bash && sudo apt install -y libmariadb3 libmariadb-dev",
+  "updateContentCommand": "pip install -r backend/requirements.txt",
+  "portsAttributes": {
+    "5000": {
+      "label": "Application",
+      "onAutoForward": "openPreview"
+    }
+  },
+  "customizations": {
+    "codespaces": {
+      "openFiles": [
+        "templates/index.html"
+      ]
+    },
+    "vscode": {
+      "extensions": [
+		"ms-python.python",
+		"batisteo.vscode-django",
+		"ms-python.flake8",
+		"ms-python.isort",
+		"ms-python.vscode-pylance",
+		"redhat.vscode-yaml",
+		"ms-azuretools.vscode-docker",
+		"donjayamanne.python-extension-pack"
+	]
+    }
+  },
+"forwardPorts": [
+  5000
+],
+"features": {
+  "ghcr.io/devcontainers-contrib/features/angular-cli:2": {}
+}
+}

.editorconfig

@@ -0,0 +1,36 @@
+# EditorConfig is awesome: https://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+[*]
+indent_style = space
+indent_size = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = false
+insert_final_newline = false
+
+[*.md]
+trim_trailing_whitespace = true
+
+[*.py]
+indent_size = 4
+
+[*.js]
+indent_size = 2
+
+[*.html]
+indent_size = 2
+
+[*.css]
+indent_size = 2
+
+[*.scss]
+indent_size = 2
+
+[*.yaml]
+indent_size = 2
+
+[*.yml]
+indent_size = 2

.env.dev

@@ -0,0 +1,12 @@
+# MariaDB
+MARIADB_ROOT_PASSWORD=mariadb_root_password
+MARIADB_ROOT_HOST=localhost
+MARIADB_DATABASE=karaoqueue
+MARIADB_USER=karaoqueue
+MARIADB_PASSWORD=mariadb_karaoqueue_password
+
+# Karaoqueue
+DEPLOYMENT_PLATFORM=Docker
+DBSTRING="mysql+pymysql://karaoqueue:mariadb_karaoqueue_password@127.0.0.1:3306/karaoqueue?charset=utf8mb4"
+INITIAL_USERNAME=admin
+INITIAL_PASSWORD=changeme

.flake8

@@ -0,0 +1,3 @@
+[flake8]
+ignore = E501
+max-line-length = 120

.github/workflows/lint.yaml

@@ -0,0 +1,23 @@
+name: Lint
+
+on: [pull_request]
+
+jobs:
+  flake8_py3:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Setup Python
+        uses: actions/setup-python@v4.6.0
+        with:
+          python-version: '3.10'
+          architecture: x64
+      - name: Checkout PyTorch
+        uses: actions/checkout@master
+      - name: Install flake8
+        run: pip install flake8
+      - name: Run flake8
+        uses: suo/flake8-github-action@releases/v1
+        with:
+          checkName: 'flake8_py3'   # NOTE: this needs to be the same as the job name
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.gitignore

@@ -87,7 +87,7 @@ ipython_config.py
 #   However, in case of collaboration, if having platform-specific dependencies or dependencies
 #   having no cross-platform support, pipenv may install dependencies that don't work, or not
 #   install all needed dependencies.
-#Pipfile.lock
+Pipfile.lock
 
 # celery beat schedule file
 celerybeat-schedule
@@ -137,4 +137,9 @@ data/
 node_modules/
 
 # Version identification file
-.version
+.version
+
+**/.angular/
+
+# Docker secrets
+secrets.yml

.vscode/launch.json

@@ -5,17 +5,25 @@
     "version": "0.2.0",
     "configurations": [
         {
-            "preLaunchTask": "versiondump",
+            "command": "npm start",
+            "name": "Run npm start",
+            "request": "launch",
+            "type": "node-terminal",
+            "cwd": "${workspaceFolder}/frontend/ng-karaoqueue"
+        },
+        {
+            "preLaunchTask": "mariadb",
             "name": "Python: Flask",
             "type": "python",
-            "cwd": "${workspaceFolder}/backend/app",
+            "cwd": "${workspaceFolder}/backend",
             "request": "launch",
             "module": "flask",
             "env": {
-                "FLASK_APP": "backend/app/main.py",
+                "FLASK_APP": "backend/app.py",
                 "FLASK_ENV": "development",
-                "FLASK_DEBUG": "1"
+                "FLASK_DEBUG": "1", 
             },
+            "envFile": "${workspaceFolder}/.env.dev",
             "args": [
                 "run",
                 "--no-debugger",
@@ -24,17 +32,18 @@
             "jinja": true
         },
         {
-            "preLaunchTask": "versiondump",
+            "preLaunchTask": "mariadb",
             "name": "Python: Flask (with reload)",
             "type": "python",
-            "cwd": "${workspaceFolder}/backend/app",
+            "cwd": "${workspaceFolder}/backend",
             "request": "launch",
             "module": "flask",
             "env": {
-                "FLASK_APP": "backend/app/main.py",
+                "FLASK_APP": "backend/app.py",
                 "FLASK_ENV": "development",
                 "FLASK_DEBUG": "1"
             },
+            "envFile": "${workspaceFolder}/.env.dev",
             "args": [
                 "run",
                 "--no-debugger"
@@ -42,17 +51,18 @@
             "jinja": true
         },
         {
-            "preLaunchTask": "versiondump",
+            "preLaunchTask": "mariadb",
             "name": "Python: Flask (with reload, externally reachable)",
             "type": "python",
-            "cwd": "${workspaceFolder}/backend/app",
+            "cwd": "${workspaceFolder}/backend",
             "request": "launch",
             "module": "flask",
             "env": {
-                "FLASK_APP": "backend/app/main.py",
+                "FLASK_APP": "backend/app.py",
                 "FLASK_ENV": "development",
                 "FLASK_DEBUG": "1"
             },
+            "envFile": "${workspaceFolder}/.env.dev",
             "args": [
                 "run",
                 "--no-debugger",
@@ -61,17 +71,18 @@
             "jinja": true
         },
         {
-            "preLaunchTask": "versiondump",
+            "preLaunchTask": "mariadb",
             "name": "Python: Flask (externally reachable)",
             "type": "python",
-            "cwd": "${workspaceFolder}/backend/app",
+            "cwd": "${workspaceFolder}/backend",
             "request": "launch",
             "module": "flask",
             "env": {
-                "FLASK_APP": "backend/app/main.py",
+                "FLASK_APP": "backend/app.py",
                 "FLASK_ENV": "development",
                 "FLASK_DEBUG": "1"
             },
+            "envFile": "${workspaceFolder}/.env.dev",
             "args": [
                 "run",
                 "--no-debugger",

.vscode/settings.json

@@ -1,3 +1,15 @@
 {
-    "python.pythonPath": "/usr/bin/python"
+    "python.pythonPath": "/usr/bin/python",
+    "python.testing.unittestArgs": [
+        "-v",
+        "-s",
+        "./backend/tests",
+        "-p",
+        "*test.py"
+    ],
+    "python.testing.pytestEnabled": false,
+    "python.testing.unittestEnabled": true,
+    "emmet.includeLanguages": {
+        "django-html": "html"
+    }
 }

.vscode/tasks.json

@@ -1,13 +1,28 @@
 {
-    // See https://go.microsoft.com/fwlink/?LinkId=733558
+    // See https://go.microsoft.com/fwlink/?LinkId=733558 
     // for the documentation about the tasks.json format
     "version": "2.0.0",
     "tasks": [
         {
             "label": "versiondump",
             "type": "shell",
-            "command": "echo \"$(git rev-parse --abbrev-ref HEAD)-$(git describe)\"> ${workspaceFolder}/backend/app/.version",
+            "command": "echo \"$(git rev-parse --abbrev-ref HEAD)-$(git describe)\"> ${workspaceFolder}/backend/.version",
             "problemMatcher": []
+        },
+        {
+            "label": "Start Frontend",
+            "type": "npm",
+            "script": "start",
+            "path": "frontend/ng-karaoqueue/",
+            "problemMatcher": [
+                "$tsc"
+            ]
+        },
+        {
+            "label": "mariadb",
+            "type": "shell",
+            "command": "docker-compose -f docker-compose.yml up --remove-orphans",
+            "isBackground": true,
         }
     ]
 }

Dockerfile

@@ -0,0 +1,20 @@
+FROM tiangolo/meinheld-gunicorn-flask:python3.9
+
+# Currently unusable, mariadb is not available through installer for debian 12
+# RUN apt-key adv --recv-keys --keyserver keyserver.ubuntu.com 0xcbcb082a1bb943db
+# RUN curl -LsS https://downloads.mariadb.com/MariaDB/mariadb_repo_setup | bash
+
+RUN apt-get update
+RUN apt-get upgrade -y
+RUN apt-get dist-upgrade
+
+# In the meantime, acquire the mariadb packages through apt
+RUN apt-get install -y libmariadb3 libmariadb-dev
+
+COPY ./backend/requirements.txt /app/requirements.txt
+
+RUN pip install --no-cache-dir --upgrade -r /app/requirements.txt
+
+RUN pip install --no-cache-dir -U meinheld
+
+COPY ./backend /app

KaraokeWarkeliste.code-workspace

@@ -0,0 +1,13 @@
+{
+	"folders": [
+		{
+			"path": "./frontend/ng-karaoqueue"
+		},
+		{
+			"path": "backend"
+		},
+		{
+			"path": "docs"
+		}
+	]
+}

backend/Dockerfile

@@ -1,11 +0,0 @@
-FROM tiangolo/uwsgi-nginx-flask:python3.7
-
-RUN pip install requests
-
-RUN pip install pandas
-
-RUN pip install Flask-BasicAuth
-
-RUN pip install bs4
-
-COPY ./app /app

backend/Pipfile

@@ -0,0 +1,48 @@
+[[source]]
+url = "https://pypi.org/simple"
+verify_ssl = true
+name = "pypi"
+
+[packages]
+autopep8 = "==2.0.2"
+beautifulsoup4 = "==4.12.0"
+bs4 = "==0.0.1"
+certifi = "==2022.12.7"
+charset-normalizer = "==3.1.0"
+click = "==8.1.3"
+flake8 = "==6.0.0"
+flask = "==2.2.3"
+flask-basicauth = "==0.2.0"
+greenlet = "==2.0.2"
+gunicorn = "==20.1.0"
+idna = "==3.4"
+itsdangerous = "==2.1.2"
+jinja2 = "==3.1.2"
+mariadb = "==1.1.6"
+markupsafe = "==2.1.2"
+mccabe = "==0.7.0"
+mysql = "==0.0.3"
+mysqlclient = "==2.1.1"
+numpy = "==1.24.2"
+packaging = "==23.0"
+pandas = "==1.5.3"
+pycodestyle = "==2.10.0"
+pyflakes = "==3.0.1"
+pymysql = "==1.0.3"
+python-dateutil = "==2.8.2"
+pytz = "==2023.3"
+requests = "==2.28.2"
+six = "==1.16.0"
+soupsieve = "==2.4"
+sqlalchemy = "==2.0.7"
+toml = "==0.10.2"
+tomli = "==2.0.1"
+typing-extensions = "==4.5.0"
+urllib3 = "==1.26.15"
+werkzeug = "==2.2.3"
+
+[dev-packages]
+
+[requires]
+python_version = "3.9"
+python_full_version = "3.9.17"

backend/Procfile

@@ -0,0 +1 @@
+web: gunicorn wsgi:app

backend/app.py

@@ -1,4 +1,5 @@
-from flask import Flask, render_template, Response, abort, request, redirect, send_from_directory
+from flask import Flask, render_template, abort, request, redirect, send_from_directory, jsonify
+from flask.wrappers import Response
 import helpers
 import database
 import data_adapters
@@ -6,10 +7,14 @@ import os
 import json
 from flask_basicauth import BasicAuth
 from helpers import nocache
+from flask_cors import CORS
+
 app = Flask(__name__, static_url_path='/static')
+CORS(app)
 
 basic_auth = BasicAuth(app)
-accept_entries = False
+accept_entries = True
+
 
 @app.route("/")
 def home():
@@ -35,13 +40,13 @@ def enqueue():
     if not helpers.is_valid_uuid(client_id):
         print(request.data)
         abort(400)
-    name = request.json['name']
+    name = request.json['name'].strip()
     song_id = request.json['id']
     if request.authorization:
-        database.add_entry(name, song_id, client_id)
-        return Response('{"status":"OK"}', mimetype='text/json')
+        entry_id = database.add_entry(name, song_id, client_id)
+        return Response(f"""{{"status":"OK", "entry_id":{entry_id}}}""", mimetype='text/json')
     else:
-        if accept_entries:
+        if helpers.get_accept_entries(app):
             if not request.json:
                 print(request.data)
                 abort(400)
@@ -51,10 +56,10 @@ def enqueue():
                 abort(400)
             name = request.json['name']
             song_id = request.json['id']
-            if database.check_queue_length() < app.config['MAX_QUEUE']:
-                if database.check_entry_quota(client_id) < app.config['ENTRY_QUOTA']:
-                    database.add_entry(name, song_id, client_id)
-                    return Response('{"status":"OK"}', mimetype='text/json')
+            if database.check_queue_length() < int(app.config['MAX_QUEUE']):
+                if database.check_entry_quota(client_id) < int(app.config['ENTRY_QUOTA']):
+                    entry_id = database.add_entry(name, song_id, client_id)
+                    return Response(f"""{{"status":"OK", "entry_id":{entry_id}}}""", mimetype='text/json')
                 else:
                     return Response('{"status":"Du hast bereits ' + str(database.check_entry_quota(client_id)) + ' Songs eingetragen, dies ist das Maximum an Einträgen die du in der Warteliste haben kannst."}', mimetype='text/json', status=423)
             else:
@@ -72,7 +77,7 @@ def songlist():
 @nocache
 @basic_auth.required
 def settings():
-    return render_template('settings.html', app=app, auth=basic_auth.authenticate())
+    return render_template('settings.html', app=app, auth=basic_auth.authenticate(), themes=helpers.get_themes())
 
 
 @app.route("/settings", methods=['POST'])
@@ -81,16 +86,33 @@ def settings():
 def settings_post():
     entryquota = request.form.get("entryquota")
     maxqueue = request.form.get("maxqueue")
-    if entryquota.isnumeric() and int(entryquota) > 0:
-        app.config['ENTRY_QUOTA'] = int(entryquota)
+    theme = request.form.get("theme")
+    username = request.form.get("username")
+    password = request.form.get("password")
+    changed_credentials = False
+    if entryquota.isnumeric() and int(entryquota) > 0:  # type: ignore
+        app.config['ENTRY_QUOTA'] = int(entryquota)  # type: ignore
     else:
         abort(400)
-    if maxqueue.isnumeric and int(maxqueue) > 0:
-        app.config['MAX_QUEUE'] = int(maxqueue)
+    if maxqueue.isnumeric and int(maxqueue) > 0:  # type: ignore
+        app.config['MAX_QUEUE'] = int(maxqueue)  # type: ignore
     else:
         abort(400)
-
-    return render_template('settings.html', app=app, auth=basic_auth.authenticate())
+    if theme is not None and theme in helpers.get_themes():
+        helpers.set_theme(app, theme)
+    else:
+        abort(400)
+    if username != "" and username != app.config['BASIC_AUTH_USERNAME']:
+        app.config['BASIC_AUTH_USERNAME'] = username
+        changed_credentials = True
+    if password != "":
+        app.config['BASIC_AUTH_PASSWORD'] = password
+        changed_credentials = True
+    helpers.persist_config(app=app)
+    if changed_credentials:
+        return redirect("/")
+    else:
+        return render_template('settings.html', app=app, auth=basic_auth.authenticate(), themes=helpers.get_themes())
 
 
 @app.route("/api/queue")
@@ -119,29 +141,68 @@ def songs():
 @basic_auth.required
 def update_songs():
     database.delete_all_entries()
+    helpers.reset_current_event_id(app)
     status = database.import_songs(
         helpers.get_songs(helpers.get_catalog_url()))
     print(status)
     return Response('{"status": "%s" }' % status, mimetype='text/json')
 
 
-@app.route("/api/songs/compl")
+@app.route("/api/songs/compl")  # type: ignore
 @nocache
 def get_song_completions(input_string=""):
     input_string = request.args.get('search', input_string)
     if input_string != "":
-        print(input_string)
-        list = database.get_song_completions(input_string=input_string)
-        return Response(json.dumps(list, ensure_ascii=False).encode('utf-8'), mimetype='text/json')
+        result = [list(x) for x in database.get_song_completions(input_string=input_string)]
+        return jsonify(result)
 
     else:
         return 400
+    
+    
+@app.route("/api/songs/search")
+@nocache
+def query_songs_with_details(input_string=""):
+    input_string = request.args.get("q", input_string)
+    if input_string == "":
+        return Response(status=400)
+    result = []
+    for x in database.get_songs_with_details(input_string):
+        # Turn row into dict. Add field labels.
+        result.append(dict(zip(['karafun_id', 'title', 'artist', 'year', 'duo', 'explicit', 'styles', 'languages'], x)))
+    return jsonify(result)
 
+@app.route("/api/songs/details/<song_id>")
+def get_song_details(song_id):
+    result = database.get_song_details(song_id)
+    if result is None:
+        abort(404)
+    else:
+        return jsonify(dict(zip(['karafun_id', 'title', 'artist', 'year', 'duo', 'explicit', 'styles', 'languages'], result[0])))
 
-@app.route("/api/entries/delete/<entry_id>")
+@app.route("/api/entries/delete/<entry_id>", methods=['GET'])
 @nocache
 @basic_auth.required
-def delete_entry(entry_id):
+def delete_entry_admin(entry_id):
+    if database.delete_entry(entry_id):
+        return Response('{"status": "OK"}', mimetype='text/json')
+    else:
+        return Response('{"status": "FAIL"}', mimetype='text/json')
+
+
+@app.route("/api/entries/delete/<entry_id>", methods=['POST'])
+@nocache
+def delete_entry_user(entry_id):
+    if not request.json:
+        print(request.data)
+        abort(400)
+    client_id = request.json['client_id']
+    if not helpers.is_valid_uuid(client_id):
+        print(request.data)
+        abort(400)
+    if database.get_raw_entry(entry_id)[3] != client_id:  # type: ignore
+        print(request.data)
+        abort(403)
     if database.delete_entry(entry_id):
         return Response('{"status": "OK"}', mimetype='text/json')
     else:
@@ -158,7 +219,7 @@ def delete_entries():
         return
     updates = database.delete_entries(request.json)
     if updates >= 0:
-        return Response('{"status": "OK", "updates": '+str(updates)+'}', mimetype='text/json')
+        return Response('{"status": "OK", "updates": ' + str(updates) + '}', mimetype='text/json')
     else:
         return Response('{"status": "FAIL"}', mimetype='text/json', status=400)
 
@@ -172,6 +233,7 @@ def mark_sung(entry_id):
     else:
         return Response('{"status": "FAIL"}', mimetype='text/json')
 
+
 @app.route("/api/entries/mark_transferred/<entry_id>")
 @nocache
 @basic_auth.required
@@ -186,9 +248,8 @@ def mark_transferred(entry_id):
 @nocache
 @basic_auth.required
 def set_accept_entries(value):
-    global accept_entries
     if (value == '0' or value == '1'):
-        accept_entries = bool(int(value))
+        helpers.set_accept_entries(app, bool(int(value)))
         return Response('{"status": "OK"}', mimetype='text/json')
     else:
         return Response('{"status": "FAIL"}', mimetype='text/json', status=400)
@@ -197,8 +258,8 @@ def set_accept_entries(value):
 @app.route("/api/entries/accept")
 @nocache
 def get_accept_entries():
-    global accept_entries
-    return Response('{"status": "OK", "value": '+str(int(accept_entries))+'}', mimetype='text/json')
+    accept_entries = helpers.get_accept_entries(app)
+    return Response('{"status": "OK", "value": ' + str(int(accept_entries)) + '}', mimetype='text/json')
 
 
 @app.route("/api/played/clear")
@@ -216,6 +277,7 @@ def clear_played_songs():
 @basic_auth.required
 def delete_all_entries():
     if database.delete_all_entries():
+        helpers.reset_current_event_id(app)
         return Response('{"status": "OK"}', mimetype='text/json')
     else:
         return Response('{"status": "FAIL"}', mimetype='text/json')
@@ -227,18 +289,24 @@ def admin():
     return redirect("/", code=303)
 
 
-@app.before_first_request
-def activate_job():
-    helpers.load_version(app)
-    helpers.create_data_directory()
-    database.create_entry_table()
-    database.create_song_table()
-    database.create_done_song_table()
-    database.create_list_view()
-    database.create_done_song_view()
-    helpers.setup_config(app)
+@app.route("/api/events/current")
+@nocache
+def get_current_event():
+    return Response('{"status": "OK", "event": "' + helpers.get_current_event_id(app) + '"}', mimetype='text/json')
 
 
+def activate_job():
+    with app.app_context():    
+        helpers.load_dbconfig(app)
+        helpers.load_version(app)
+        database.create_entry_table()
+        database.create_song_table()
+        database.create_done_song_table()
+        database.create_list_view()
+        database.create_done_song_view()
+        database.create_config_table()
+        helpers.setup_config(app)
+
 
 @app.after_request
 def add_header(response):
@@ -246,14 +314,17 @@ def add_header(response):
     Add headers to both force latest IE rendering engine or Chrome Frame,
     and also to cache the rendered page for 10 minutes.
     """
-    if not 'Cache-Control' in response.headers:
-        response.headers['Cache-Control'] = 'private, max-age=600'
+    if 'Cache-Control' not in response.headers:
+        response.headers['Cache-Control'] = 'private, max-age=600, no-cache, must-revalidate'
     return response
 
+
 @app.context_processor
 def inject_version():
     return dict(karaoqueue_version=app.config['VERSION'])
 
+# Perform setup here so it will be executed when the module is imported by the WSGI server.
+activate_job()
 
 if __name__ == "__main__":
     app.run(host='127.0.0.1', port=8080, debug=True)

backend/app/data_adapters.py

@@ -1,8 +0,0 @@
-def dict_from_row(row):
-    return dict(zip(row.keys(), row))
-
-def dict_from_rows(rows):
-    outlist=[]
-    for row in rows:
-        outlist.append(dict_from_row(row))
-    return outlist

backend/app/database.py

@@ -1,212 +0,0 @@
-# -*- coding: utf_8 -*-
-
-import sqlite3
-import pandas
-from io import StringIO
-
-song_table = "songs"
-entry_table = "entries"
-index_label = "Id"
-done_table = "done_songs"
-
-
-def open_db():
-    conn = sqlite3.connect("/tmp/karaoqueue.db")
-    conn.execute('PRAGMA encoding = "UTF-8";')
-    return conn
-
-
-def import_songs(song_csv):
-    print("Start importing Songs...")
-    df = pandas.read_csv(StringIO(song_csv), sep=';')
-    conn = open_db()
-    cur = conn.cursor()
-    df.to_sql(song_table, conn, if_exists='replace',
-              index=False)
-    cur.execute("SELECT Count(Id) FROM songs")
-    num_songs = cur.fetchone()[0]
-    conn.close()
-    print("Imported songs ({} in Database)".format(num_songs))
-    return("Imported songs ({} in Database)".format(num_songs))
-
-
-def create_entry_table():
-    conn = open_db()
-    conn.execute('CREATE TABLE IF NOT EXISTS '+entry_table +
-                 ' (ID INTEGER PRIMARY KEY NOT NULL, Song_Id INTEGER NOT NULL, Name VARCHAR(255), Client_Id VARCHAR(36), Transferred INTEGER DEFAULT 0)')
-    conn.close()
-
-
-def create_done_song_table():
-    conn = open_db()
-    conn.execute('CREATE TABLE IF NOT EXISTS '+done_table +
-                 ' (Song_Id INTEGER PRIMARY KEY NOT NULL,  Plays INTEGER)')
-    conn.close()
-
-
-def create_song_table():
-    conn = open_db()
-    conn.execute("CREATE TABLE IF NOT EXISTS \""+song_table+"""\" (
-        "Id" INTEGER,
-        "Title" TEXT,
-        "Artist" TEXT,
-        "Year" INTEGER,
-        "Duo" INTEGER,
-        "Explicit" INTEGER,
-        "Date Added" TEXT,
-        "Styles" TEXT,
-        "Languages" TEXT
-    )""")
-    conn.close()
-
-
-def create_list_view():
-    conn = open_db()
-    conn.execute("""CREATE VIEW IF NOT EXISTS [Liste] AS
-                 SELECT Name, Title, Artist, entries.Id, songs.Id, entries.Transferred
-                 FROM entries, songs
-                 WHERE entries.Song_Id=songs.Id""")
-    conn.close()
-
-
-def create_done_song_view():
-    conn = open_db()
-    conn.execute("""CREATE VIEW IF NOT EXISTS [Abspielliste] AS
-                 SELECT Artist || \" - \" || Title AS Song, Plays AS Wiedergaben
-                 FROM songs, done_songs
-                 WHERE done_songs.Song_Id=songs.Id""")
-    conn.close()
-
-
-def get_list():
-    conn = open_db()
-    conn.row_factory = sqlite3.Row
-    cur = conn.cursor()
-    cur.execute("SELECT * FROM Liste")
-    return cur.fetchall()
-
-
-def get_played_list():
-    conn = open_db()
-    cur = conn.cursor()
-    cur.execute("SELECT * FROM Abspielliste")
-    return cur.fetchall()
-
-
-def get_song_list():
-    conn = open_db()
-    cur = conn.cursor()
-    cur.execute("SELECT Artist || \" - \" || Title AS Song, Id FROM songs;")
-    return cur.fetchall()
-
-
-def get_song_completions(input_string):
-    conn = open_db()
-    cur = conn.cursor()
-    # Don't look, it burns...
-    prepared_string = "%{0}%".format(
-        input_string).upper()  # "Test" -> "%TEST%"
-    print(prepared_string)
-    cur.execute(
-        "SELECT Title || \" - \" || Artist AS Song, Id FROM songs WHERE REPLACE(REPLACE(REPLACE(REPLACE(UPPER( SONG ),'ö','Ö'),'ü','Ü'),'ä','Ä'),'ß','ẞ') LIKE (?) LIMIT 20;", (prepared_string,))
-    return cur.fetchall()
-
-
-def add_entry(name, song_id, client_id):
-    conn = open_db()
-    cur = conn.cursor()
-    cur.execute(
-        "INSERT INTO entries (Song_Id,Name,Client_Id) VALUES(?,?,?);", (song_id, name, client_id))
-    conn.commit()
-    conn.close()
-    return
-
-
-def add_sung_song(entry_id):
-    conn = open_db()
-    cur = conn.cursor()
-    cur.execute("""SELECT Song_Id FROM entries WHERE Id=?""", (entry_id,))
-    song_id = cur.fetchone()[0]
-    cur.execute("""INSERT OR REPLACE INTO done_songs (Song_Id, Plays)
-                VALUES("""+str(song_id)+""",
-                       COALESCE(
-                           (SELECT Plays FROM done_songs
-                            WHERE Song_Id="""+str(song_id)+"), 0) + 1)"
-                )
-    conn.commit()
-    delete_entry(entry_id)
-    conn.close()
-    return True
-
-
-def toggle_transferred(entry_id):
-    conn = open_db()
-    cur = conn.cursor()
-    cur.execute("SELECT Transferred FROM entries WHERE ID =?", (entry_id,))
-    marked = cur.fetchall()[0][0]
-    if(marked == 0):
-        cur.execute(
-            "UPDATE entries SET Transferred = 1 WHERE ID =?", (entry_id,))
-    else:
-        cur.execute(
-            "UPDATE entries SET Transferred = 0 WHERE ID =?", (entry_id,))
-    conn.commit()
-    conn.close()
-    return True
-
-
-def check_entry_quota(client_id):
-    conn = open_db()
-    cur = conn.cursor()
-    cur.execute(
-        "SELECT Count(*) FROM entries WHERE entries.Client_Id = ?", (client_id,))
-    return cur.fetchall()[0][0]
-
-
-def check_queue_length():
-    conn = open_db()
-    cur = conn.cursor()
-    cur.execute("SELECT Count(*) FROM entries")
-    return cur.fetchall()[0][0]
-
-
-def clear_played_songs():
-    conn = open_db()
-    cur = conn.cursor()
-    cur.execute("DELETE FROM done_songs")
-    conn.commit()
-    conn.close()
-    return True
-
-
-def delete_entry(id):
-    conn = open_db()
-    cur = conn.cursor()
-    cur.execute("DELETE FROM entries WHERE id=?", (id,))
-    conn.commit()
-    conn.close()
-    return True
-
-
-def delete_entries(ids):
-    idlist = []
-    for x in ids:
-        idlist.append((x,))
-    try:
-        conn = open_db()
-        cur = conn.cursor()
-        cur.executemany("DELETE FROM entries WHERE id=?", idlist)
-        conn.commit()
-        conn.close()
-        return cur.rowcount
-    except sqlite3.Error as error:
-        return -1
-
-
-def delete_all_entries():
-    conn = open_db()
-    cur = conn.cursor()
-    cur.execute("DELETE FROM entries")
-    conn.commit()
-    conn.close()
-    return True

backend/app/helpers.py

@@ -1,77 +0,0 @@
-import requests
-from bs4 import BeautifulSoup
-import json
-import os
-import uuid
-from flask import make_response
-from functools import wraps, update_wrapper
-from datetime import datetime
-
-data_directory = "data"
-config_file = data_directory+"/config.json"
-
-def create_data_directory():
-    if not os.path.exists(data_directory):
-        os.makedirs(data_directory)
-
-
-def get_catalog_url():
-    r = requests.get('https://www.karafun.de/karaoke-song-list.html')
-    soup = BeautifulSoup(r.content, 'html.parser')
-    url = soup.findAll('a', href=True, text='Verfügbar in CSV-Format')[0]['href']
-    return url
-
-def get_songs(url):
-    r = requests.get(url)
-    return r.text
-
-def is_valid_uuid(val):
-    try:
-        uuid.UUID(str(val))
-        return True
-    except ValueError:
-        return False
-
-def check_config_exists():
-    return os.path.isfile(config_file)
-
-def load_version(app):
-    if os.path.isfile(".version"):
-        with open('.version', 'r') as file:
-            data = file.read().replace('\n', '')
-            if data:
-                app.config['VERSION'] = data
-            else:
-                app.config['VERSION'] = ""
-    else:
-        app.config['VERSION'] = ""
-
-def setup_config(app):
-    if check_config_exists():
-        config = json.load(open(config_file))
-        with open(config_file, 'r') as handle:
-            config = json.load(handle)
-        print("Loaded existing config")
-    else:
-        config = {'username': 'admin', 'password': 'changeme', 'entryquota': 3, 'maxqueue': 20}
-        with open(config_file, 'w') as handle:
-            json.dump(config, handle, indent=4, sort_keys=True)
-        print("Wrote new config")
-    app.config['BASIC_AUTH_USERNAME'] = config['username']
-    app.config['BASIC_AUTH_PASSWORD'] = config['password']
-    app.config['ENTRY_QUOTA'] = config['entryquota']
-    app.config['MAX_QUEUE'] = config['maxqueue']
-
-
-
-def nocache(view):
-    @wraps(view)
-    def no_cache(*args, **kwargs):
-        response = make_response(view(*args, **kwargs))
-        response.headers['Last-Modified'] = datetime.now()
-        response.headers['Cache-Control'] = 'no-store, no-cache, must-revalidate, post-check=0, pre-check=0, max-age=0'
-        response.headers['Pragma'] = 'no-cache'
-        response.headers['Expires'] = '-1'
-        return response
-        
-    return update_wrapper(no_cache, view)

backend/app/requirements.txt

@@ -1,4 +0,0 @@
-requests
-pandas
-Flask-BasicAuth
-bs4

backend/app/static/css/style.css

@@ -1,77 +0,0 @@
-body {
-    padding-top: 5rem;
-}
-
-html, body {
-    height: 100%;
-}
-
-.site {
-    height: auto;
-    min-height: 100%;
-}
-
-main {
-    padding-bottom: 60px; /* Höhe des Footers */
-}
-
-.footer {
-    margin-top: -60px;
-    width: 100%;
-    height: 60px;
-    /* Set the fixed height of the footer here */
-    /*line-height: 60px; /* Vertically center the text there */
-    background-color: #f5f5f5;
-}
-
-.topbutton {
-    width: 100%;
-}
-
-table td {
-    overflow: hidden;
-    text-overflow: ellipsis;
-}
-
-table.entries tbody tr[data-index="0"] {
-    background-color: #007bff80;
-    font-weight: 600;
-}
-
-table.entries tbody tr[data-index="1"] {
-    background-color: #007bff40;
-    font-weight: 500;
-}
-
-table.entries tbody tr[data-index="2"] {
-    background-color: #007bff20;
-    font-weight: 400;
-}
-
-table.entries tbody tr[data-index="3"] {
-    background-color: #007bff10;
-}
-
-table td:first-child {
-    max-width: 200px !important;
-}
-
-@media (min-width: 768px) {
-    .topbutton {
-        width: auto;
-    }
-}
-
-@media print {
-    body {
-        font-size: 1.3em;
-    }
-
-    .footer {
-        display: none !important;
-    }
-
-    .admincontrols {
-        display: none;
-    }
-}

backend/app/templates/main.html

@@ -1,35 +0,0 @@
-
-
-{% extends 'base.html' %}
-{% block title %}Warteliste{% endblock %}
-{% block content %}
-<a id="bfb" role="button" class="btn btn-primary btn-lg btn-block mb-2" href="/list">Eintragen</a>
-<table class="table entries"
-        data-toggle="table"
-        data-url="/api/queue"
-        data-pagination="true"
-        data-classes="table"
-        data-show-refresh="false"
-        data-auto-refresh="true"
-        data-auto-refresh-interval="10">
-    <thead>
-        <tr>
-            <th data-field="Name">Name</th>
-            <th data-field="Title">Song</th>
-            <th data-field="Artist">Künstler</th>
-        </tr>
-    </thead>
-</table>
-<a name="end"></a>
-{% endblock %}
-{% block extrajs %}
-<script>
-$.getJSON("/api/entries/accept", (data) => {
-    if (data["value"]==0) {
-        $("#bfb").addClass("disabled")
-        $("#bfb").prop("aria-disabled",true);
-        $("#bfb").prop("tabindex","-1");
-    }
-})
-</script>
-{% endblock %}

backend/app/templates/main_admin.html

@@ -1,212 +0,0 @@
-
-
-{% extends 'base.html' %}
-{% block title %}Warteliste-Admin{% endblock %}
-{% block content %}
-<style>
-table td:nth-child(2) {
-    overflow-y: hidden;
-    overflow-x: auto;
-    text-overflow: clip;
-    max-width: 200px !important;
-}
-</style>
-<div class="container">
-    <div id="toolbar">
-        <button type="button" class="topbutton btn btn-danger" onclick="confirmDeleteSelectedEntries()"><i
-                class="fas fa-trash mr-2"></i>Gewählte Einträge löschen</button>
-        <button type="button" class="topbutton btn btn-danger" onclick="confirmUpdateSongDatabase()"><i
-                class="fas fa-file-import mr-2"></i>Song-Datenbank
-            aktualisieren</button>
-        <input id="entryToggle" type="checkbox" class="topbutton" data-toggle="toggle" data-on="Eintragen erlaubt" data-off="Eintragen deaktiviert" data-onstyle="success" data-offstyle="danger">
-    </div>
-    <table class="table entries"
-            id="entrytable"
-            data-toggle="table"
-            data-search="true"
-            data-show-columns="true"
-            data-show-toggle="true"
-            data-multiple-select-row="true"
-            data-click-to-select="true"
-            data-toolbar="#toolbar"
-            data-pagination="true"
-            data-show-extended-pagination="true"
-            data-classes="table table-hover"
-            data-url="/api/queue"
-            data-show-refresh="true"
-            data-auto-refresh="true"
-            data-auto-refresh-interval="10">
-        <thead>
-            <tr>
-                <th data-field="state" data-checkbox="true"></th>
-                <th scope="col" data-field="Name">Name</th>
-                <th scope="col" data-field="Title">Song</th>
-                <th scope="col" data-field="Artist">Künstler</th>
-                <th scope="col" data-formatter="TableActions">Aktionen</th>
-            </tr>
-        </thead>
-    </table>
-    <a name="end"></a>
-</div>
-{% endblock %}
-{% block extrajs %}
-<script>
-    $(function () {
-        $('#entryToggle').change(function() {
-            $.ajax({url: "/api/entries/accept/"+($('#entryToggle').is(":checked") ? "1" : "0"), complete: setTimeout(refreshEntryToggle, 1000)});
-        })
-        refreshEntryToggle()
-        $("#entrytable").bootstrapTable().on('load-success.bs.table', function() {
-            $('[data-toggle="tooltip"]').tooltip()
-        })
-    })
-    function confirmDeleteEntry(name, entry_id) {
-        bootbox.confirm("Wirklich den Eintrag von "+name+" löschen?", function(result){
-            if (result) {
-                deleteEntry(entry_id)
-            }
-        })
-    }
-    function confirmDeleteSelectedEntries() {
-        bootbox.confirm({
-            message: "Wirklich gewählte Eintragungen löschen?", 
-            buttons: {
-                confirm: {
-                    label: 'Ja',
-                    className: 'btn btn-danger'
-                },
-                cancel: {
-                    label: 'Nein',
-                    className: 'btn btn-secondary'
-                }
-            },
-            callback: function(result){
-                if (result) {
-                    DeleteSelectedEntries(getIdSelections())
-                }
-            }
-        })
-    }
-    function confirmUpdateSongDatabase() {
-        bootbox.confirm({
-            message: "Wirklich die Song-Datenbank aktualisieren?<br>Dies lädt die Aktuelle Song-Liste von <a href='https://www.karafun.de/karaoke-song-list.html'>KaraFun</a> herunter, <b>und wird alle Eintragungen löschen!</b>",
-            buttons: {
-                confirm: {
-                    label: 'Ja',
-                    className: 'btn-primary'
-                },
-                cancel: {
-                    label: 'Nein',
-                    className: 'btn btn-secondary'
-                }
-            },
-            callback: function(result){
-                if (result) {
-                    var dialog = bootbox.dialog({
-                        message: '<p class="text-center mb-0"><i class="fa fa-spin fa-cog"></i> Aktualisiere Song-Datenbank...</p>',
-    
-                        closeButton: false
-                    });
-                    updateSongDatabase(dialog)                    
-                }
-            }
-        })
-    }
-    function refreshEntryToggle() {
-        $.getJSON("/api/entries/accept", (data) => {
-            if (data["value"]!=$('#entryToggle').is(":checked")) {
-                if(data["value"]==1) {
-                    $('#entryToggle').data('bs.toggle').on('true')
-                }
-                else {
-                    $('#entryToggle').data('bs.toggle').off('true')
-                }
-            }
-        })
-    }
-    function deleteEntry(entry_id) {
-       $.ajax({
-        type: 'GET',
-        url: '/api/entries/delete/'+entry_id,
-        contentType: "application/json",
-        dataType: 'json',
-        async: false
-       });
-       $("#entrytable").bootstrapTable('refresh')
-    
-    }
-    function markEntryAsSung(entry_id) {
-       $.ajax({
-        type: 'GET',
-        url: '/api/entries/mark_sung/'+entry_id,
-        contentType: "application/json",
-        dataType: 'json',
-        async: false
-       });
-       $("#entrytable").bootstrapTable('refresh')
-    
-    }
-
-    function markEntryAsTransferred(entry_id) {
-        $.ajax({
-         type: 'GET',
-         url: '/api/entries/mark_transferred/'+entry_id,
-         contentType: "application/json",
-         dataType: 'json',
-         async: false
-        });
-        $("#entrytable").bootstrapTable('refresh')
-     
-     }
-
-    function DeleteSelectedEntries(ids) {
-        $.ajax({
-            type: 'POST',
-            url: '/api/entries/delete',
-            data: JSON.stringify(ids), // or JSON.stringify ({name: 'jonas'}),
-            error: function() {
-                bootbox.alert({
-                    message: "Fehler beim Löschen der Eintragungen.",
-                })
-            },
-            success: function() {
-                $("#entrytable").bootstrapTable('refresh')
-            
-            },
-            contentType: "application/json",
-            dataType: 'json'
-        });
-    }
-    function updateSongDatabase(wait_dialog) {
-        $.ajax({
-            type: 'GET',
-            url: '/api/songs/update',
-            contentType: "application/json",
-            dataType: 'json',
-            success: function(data) {
-                wait_dialog.modal('hide')
-                bootbox.alert({
-                    message: data["status"],
-                    callback: function() {
-                        $("#entrytable").bootstrapTable('refresh')
-                    }
-                })
-            }
-        });
-    }
-    function TableActions (value, row, index) {
-        let outerHTML = ""
-        if (row.Transferred==1) {
-            outerHTML = "<button type=\"button\" class=\"btn btn-default\" onclick=\"markEntryAsTransferred("+row.ID+")\"><i class=\"fas fa-backward\"></i></button>&nbsp;<button type=\"button\" class=\"btn btn-success\" data-toggle=\"tooltip\" data-placement=\"top\" title=\"Als gesungen markieren\" onclick=\"markEntryAsSung("+row.ID+")\"><i class=\"fas fa-check\"></i></button>&nbsp;<button type=\"button\" class=\"btn btn-danger\" data-toggle=\"tooltip\" data-placement=\"top\" title=\"Eintrag löschen\" onclick=\"confirmDeleteEntry('"+row.Name+"',"+row.ID+")\"><i class=\"fas fa-trash\"></i></button>";
-        } else {
-            outerHTML = "<button type=\"button\" class=\"btn btn-info\" onclick=\"markEntryAsTransferred("+row.ID+")\"><i class=\"fas fa-exchange-alt\"></i></button>&nbsp;<button type=\"button\" class=\"btn btn-success\" data-toggle=\"tooltip\" data-placement=\"top\" title=\"Als gesungen markieren\" onclick=\"markEntryAsSung("+row.ID+")\"><i class=\"fas fa-check\"></i></button>&nbsp;<button type=\"button\" class=\"btn btn-danger\" data-toggle=\"tooltip\" data-placement=\"top\" title=\"Eintrag löschen\" onclick=\"confirmDeleteEntry('"+row.Name+"',"+row.ID+")\"><i class=\"fas fa-trash\"></i></button>";
-        }
-        return outerHTML;
-    }
-    function getIdSelections() {
-        return $.map($("#entrytable").bootstrapTable('getSelections'), function (row) {
-            return row.ID
-        })
-    }
-</script>
-{% endblock %}

backend/app/templates/settings.html

@@ -1,18 +0,0 @@
-{% extends 'base.html' %}
-{% block title %}Einstellungen{% endblock %}
-{% block content %}
-<form method="post">
-    <p>
-        <label for="entryquota">Maximale Anzahl an Einträgen pro Nutzer</label>
-        <input type="number" class="form-control" id="entryquota" name="entryquota" min=1 value={{app.config['ENTRY_QUOTA']}}>
-    </p>
-    <p>
-        <label for="maxqueue">Maximale Anzahl an Einträgen Insgesamt</label>
-        <input type="number" class="form-control" id="maxqueue" name="maxqueue" min=1 value={{app.config['MAX_QUEUE']}}>
-    </p>
-    <input type="submit" class="btn btn-primary mr-1 mb-2" value="Einstellungen anwenden">
-    <input type="button" class="btn btn-default mr-1 mb-2" onclick="$.get('/writeSettings').done(()=>{alert('Einstellungen gespeichert')}).fail(()=>{alert('Fehler beim Speichern der Einstellungen')})" value="Einstellungen speichern"/>
-</form>
-{% endblock %}
-{% block extrajs %}
-{% endblock %}

backend/data_adapters.py

@@ -0,0 +1,5 @@
+def dict_from_rows(rows):
+    outlist = []
+    for row in rows:
+        outlist.append(dict(row._mapping))
+    return outlist

backend/database.py

@@ -0,0 +1,332 @@
+# -*- coding: utf_8 -*-
+
+from sqlalchemy import create_engine, engine, text
+import pandas
+from io import StringIO
+from flask import current_app
+import uuid
+
+song_table = "songs"
+entry_table = "entries"
+index_label = "Id"
+done_table = "done_songs"
+
+sql_engine = None
+
+
+def get_db_engine() -> engine.base.Engine:
+    global sql_engine
+    if (not sql_engine):
+        sql_engine = create_engine(
+            current_app.config.get("DBCONNSTRING"))  # type: ignore
+    return sql_engine
+
+
+def import_songs(song_csv):
+    print("Start importing Songs...")
+    df = pandas.read_csv(StringIO(song_csv), sep=';')
+    with get_db_engine().connect() as conn:
+        df.to_sql(song_table, conn, if_exists='replace',
+                  index=False)
+        cur = conn.execute(text("SELECT Count(Id) FROM songs"))
+        num_songs = cur.fetchone()[0]  # type: ignore
+        conn.commit()
+    print("Imported songs ({} in Database)".format(num_songs))
+    return ("Imported songs ({} in Database)".format(num_songs))
+
+
+def create_entry_table():
+    with get_db_engine().connect() as conn:
+        stmt = text(
+            f'CREATE TABLE IF NOT EXISTS `{entry_table}` (ID INTEGER PRIMARY KEY NOT NULL AUTO_INCREMENT, Song_Id INTEGER NOT NULL, Name VARCHAR(255), Client_Id VARCHAR(36), Transferred INTEGER DEFAULT 0)')
+        conn.execute(stmt)
+        conn.commit()
+
+
+def create_done_song_table():
+    with get_db_engine().connect() as conn:
+        stmt = text(
+            f'CREATE TABLE IF NOT EXISTS `{done_table}` (Song_Id INTEGER PRIMARY KEY NOT NULL,  Plays INTEGER)')
+        conn.execute(stmt)
+        conn.commit()
+
+
+def create_song_table():
+    with get_db_engine().connect() as conn:
+        stmt = text(f"""CREATE TABLE IF NOT EXISTS `{song_table}` (
+        `Id` INTEGER,
+        `Title` TEXT,
+        `Artist` TEXT,
+        `Year` VARCHAR(4),
+        `Duo` BOOLEAN,
+        `Explicit` INTEGER,
+        `Date Added` TIMESTAMP,
+        `Styles` TEXT,
+        `Languages` TEXT,
+        PRIMARY KEY (`Id`),
+        FULLTEXT KEY (`Title`,`Artist`)
+        )""")
+        conn.execute(stmt)
+        conn.commit()
+
+
+def create_list_view():
+    with get_db_engine().connect() as conn:
+        stmt = text("""CREATE OR REPLACE VIEW `Liste` AS
+                 SELECT Name, Title, Artist, entries.Id AS entry_ID, songs.Id AS song_ID, entries.Transferred
+                 FROM entries, songs
+                 WHERE entries.Song_Id=songs.Id
+                 ORDER BY entries.Id ASC
+                 """)
+        conn.execute(stmt)
+        conn.commit()
+
+
+def create_done_song_view():
+    with get_db_engine().connect() as conn:
+        stmt = text("""CREATE OR REPLACE VIEW `Abspielliste` AS
+                 SELECT CONCAT(Artist," - ", Title) AS Song, Plays AS Wiedergaben
+                 FROM songs, done_songs
+                 WHERE done_songs.Song_Id=songs.Id""")
+        conn.execute(stmt)
+        conn.commit()
+
+
+def create_config_table():
+    with get_db_engine().connect() as conn:
+        stmt = text("""CREATE TABLE IF NOT EXISTS `config` (
+        `Key` VARCHAR(50) NOT NULL PRIMARY KEY,
+        `Value` TEXT
+        )""")
+        conn.execute(stmt)
+        conn.commit()
+
+
+def get_list():
+    with get_db_engine().connect() as conn:
+        stmt = text("SELECT * FROM Liste")
+        cur = conn.execute(stmt)
+    return cur.fetchall()
+
+
+def get_played_list():
+    with get_db_engine().connect() as conn:
+        stmt = text("SELECT * FROM Abspielliste")
+        cur = conn.execute(stmt)
+    return cur.fetchall()
+
+
+def get_song_list():
+    with get_db_engine().connect() as conn:
+        stmt = text("SELECT Artist || \" - \" || Title AS Song, Id FROM songs;")
+        cur = conn.execute(stmt)
+    return cur.fetchall()
+
+
+def get_song_completions(input_string):
+    with get_db_engine().connect() as conn:
+        prepared_string = f"{input_string}"
+        prepared_string_with_wildcard = f"%{input_string}%"
+        stmt = text(
+            """
+            SELECT CONCAT(Artist, ' - ', Title) AS Song, Id FROM songs
+            WHERE MATCH(Artist, Title) 
+            AGAINST (:prepared_string IN NATURAL LANGUAGE MODE)
+            LIMIT 20;
+            """)
+        cur = conn.execute(
+            stmt, {"prepared_string": prepared_string, "prepared_string_with_wildcard": prepared_string_with_wildcard})  # type: ignore
+        return cur.fetchall()
+
+
+def get_songs_with_details(input_string: str):
+    with get_db_engine().connect() as conn:
+        prepared_string = f"%{input_string}"
+        stmt = text(
+            """
+            SELECT Id, Title, Artist, Year, Duo, Explicit, Styles, Languages FROM songs 
+            WHERE MATCH(Artist, Title)
+            AGAINST (:prepared_string IN NATURAL LANGUAGE MODE)
+            LIMIT 20;
+            """
+        )
+        cur = conn.execute(
+            stmt, {"prepared_string": prepared_string})
+        return cur.fetchall()
+
+def get_song_details(song_id: int):
+    with get_db_engine().connect() as conn:
+        stmt = text(
+            """
+            SELECT Id, Title, Artist, Year, Duo, Explicit, Styles, Languages FROM songs 
+            WHERE Id = :song_id;
+            """
+        )
+        cur = conn.execute(
+            stmt, {"song_id": song_id})
+        return cur.fetchall()
+
+def add_entry(name, song_id, client_id):
+    with get_db_engine().connect() as conn:
+        stmt = text(
+            "INSERT INTO entries (Song_Id,Name,Client_Id) VALUES (:par_song_id,:par_name,:par_client_id) RETURNING entries.ID;")
+        cur = conn.execute(stmt, {"par_song_id": song_id, "par_name": name,
+                                  "par_client_id": client_id})  # type: ignore
+        conn.commit()
+    return cur.fetchone()[0]  # type: ignore
+
+
+def add_sung_song(entry_id):
+    with get_db_engine().connect() as conn:
+        stmt = text("SELECT Song_Id FROM entries WHERE Id=:par_entry_id")
+        cur = conn.execute(stmt, {"par_entry_id": entry_id})  # type: ignore
+        song_id = cur.fetchone()[0]  # type: ignore
+        stmt = text(
+            "INSERT INTO done_songs (Song_Id,Plays) VALUES (:par_song_id,1) ON DUPLICATE KEY UPDATE Plays=Plays + 1;")
+        conn.execute(stmt, {"par_song_id": song_id})  # type: ignore
+        conn.commit()
+        delete_entry(entry_id)
+    return True
+
+
+def toggle_transferred(entry_id):
+    with get_db_engine().connect() as conn:
+        cur = conn.execute(text("SELECT Transferred FROM entries WHERE ID = :par_entry_id"),
+                           {"par_entry_id": entry_id})  # type: ignore
+        marked = cur.fetchall()[0][0]
+        if (marked == 0):
+            conn.execute(text("UPDATE entries SET Transferred = 1 WHERE ID = :par_entry_id"),
+                         {"par_entry_id": entry_id})  # type: ignore
+        else:
+            conn.execute(text("UPDATE entries SET Transferred = 0 WHERE ID = :par_entry_id"),
+                         {"par_entry_id": entry_id})  # type: ignore
+        conn.commit()
+    return True
+
+
+def check_entry_quota(client_id):
+    with get_db_engine().connect() as conn:
+        cur = conn.execute(text("SELECT Count(*) FROM entries WHERE entries.Client_Id = :par_client_id"),
+                           {"par_client_id": client_id})  # type: ignore
+    return cur.fetchall()[0][0]
+
+
+def check_queue_length():
+    with get_db_engine().connect() as conn:
+        cur = conn.execute(text("SELECT Count(*) FROM entries"))
+    return cur.fetchall()[0][0]
+
+
+def clear_played_songs():
+    with get_db_engine().connect() as conn:
+        conn.execute(text("DELETE FROM done_songs"))
+        conn.commit()
+    return True
+
+
+def get_entry(id):
+    try:
+        with get_db_engine().connect() as conn:
+            cur = conn.execute(text("SELECT * FROM Liste WHERE entry_ID = :par_id"),
+                               {"par_id": id})  # type: ignore
+        return cur.fetchall()[0]
+    except Exception:
+        return None
+
+
+def get_raw_entry(id):
+    try:
+        with get_db_engine().connect() as conn:
+            cur = conn.execute(text("SELECT * FROM entries WHERE ID = :par_id"),
+                               {"par_id": id})  # type: ignore
+        return cur.fetchall()[0]
+    except Exception:
+        return None
+
+
+def delete_entry(id):
+    with get_db_engine().connect() as conn:
+        conn.execute(text("DELETE FROM entries WHERE id= :par_id"), {
+                     "par_id": id})  # type: ignore
+        conn.commit()
+    return True
+
+
+def delete_entries(ids):
+    idlist = []
+    for x in ids:
+        idlist.append((x,))
+    try:
+        with get_db_engine().connect() as conn:
+            cur = conn.execute(text("DELETE FROM entries WHERE id= :par_id"), {
+                               "par_id": idlist})
+            conn.commit()
+        return cur.rowcount
+    except Exception:
+        return -1
+
+
+def delete_all_entries() -> bool:
+    with get_db_engine().connect() as conn:
+        conn.execute(text("DELETE FROM entries"))
+        conn.commit()
+    return True
+
+
+def get_config(key: str) -> str:
+    try:
+        with get_db_engine().connect() as conn:
+            cur = conn.execute(
+                text("SELECT `Value` FROM config WHERE `Key`= :par_key"), {"par_key": key})  # type: ignore
+            conn.commit()
+        return cur.fetchall()[0][0]
+    except IndexError:
+        return ""
+
+
+def set_config(key: str, value: str) -> bool:
+    print(f"Setting config {key} to {value}")
+    with get_db_engine().connect() as conn:
+        conn.execute(text(
+            "INSERT INTO config (`Key`, `Value`) VALUES ( :par_key , :par_value) ON DUPLICATE KEY UPDATE `Value`= :par_value"),
+            {"par_key": key, "par_value": value}
+        )  # type: ignore
+        conn.commit()
+    return True
+
+
+def get_config_list() -> dict:
+    with get_db_engine().connect() as conn:
+        cur = conn.execute(text("SELECT * FROM config"))
+        result_dict = {}
+        for row in cur.fetchall():
+            result_dict[row[0]] = row[1]
+    return result_dict
+
+
+def check_config_table() -> bool:
+    with get_db_engine().connect() as conn:
+        if conn.dialect.has_table(conn, 'config'):
+            # type: ignore
+            # type: ignore
+            if (conn.execute(text("SELECT COUNT(*) FROM config")).fetchone()[0] > 0):  # type: ignore
+                return True
+            else:
+                return False
+        else:
+            return False
+
+
+def init_event_id() -> bool:
+    if not get_config("EventID"):
+        set_config("EventID", str(uuid.uuid4()))
+    return True
+
+
+def reset_event_id() -> bool:
+    set_config("EventID", str(uuid.uuid4()))
+    return True
+
+
+def get_event_id() -> str:
+    return get_config("EventID")

backend/helpers.py

@@ -0,0 +1,177 @@
+import requests
+from bs4 import BeautifulSoup
+import os
+import uuid
+from flask import make_response, Flask
+from functools import wraps, update_wrapper
+from datetime import datetime
+import database
+
+
+def get_catalog_url():
+    r = requests.get('https://www.karafun.de/karaoke-song-list.html')
+    soup = BeautifulSoup(r.content, 'html.parser')
+    url = soup.findAll(
+        'a', href=True, text='Verfügbar in CSV-Format')[0]['href']
+    return url
+
+
+def get_songs(url):
+    r = requests.get(url)
+    return r.text
+
+
+def is_valid_uuid(val):
+    try:
+        uuid.UUID(str(val))
+        return True
+    except ValueError:
+        return False
+
+
+def check_config_exists():
+    return database.check_config_table()
+
+
+def load_version(app: Flask):
+    if os.environ.get("SOURCE_VERSION"):
+        app.config['VERSION'] = os.environ.get("SOURCE_VERSION")[0:7]  # type: ignore # noqa: E501
+    elif os.path.isfile(".version"):
+        with open('.version', 'r') as file:
+            data = file.read().replace('\n', '')
+            if data:
+                app.config['VERSION'] = data
+            else:
+                app.config['VERSION'] = ""
+    else:
+        app.config['VERSION'] = ""
+
+
+def load_dbconfig(app: Flask):
+    if os.environ.get("FLASK_ENV") == "development":
+        app.config['DBCONNSTRING'] = os.environ.get("DBSTRING")
+    else:
+        if os.environ.get("DEPLOYMENT_PLATFORM") == "Heroku":
+            if os.environ.get("JAWSDB_MARIA_URL"):
+                app.config['DBCONNSTRING'] = os.environ.get("JAWSDB_MARIA_URL")
+            else:
+                app.config['DBCONNSTRING'] = ""
+        if os.environ.get("DEPLOYMENT_PLATFORM") == "Docker":
+            if os.environ.get("DBSTRING"):
+                app.config['DBCONNSTRING'] = os.environ.get("DBSTRING")
+            else:
+                app.config['DBCONNSTRING'] = ""
+        elif os.path.isfile(".dbconn"):
+            with open('.dbconn', 'r') as file:
+                data = file.read().replace('\n', '')
+                if data:
+                    app.config['DBCONNSTRING'] = data
+                else:
+                    app.config['DBCONNSTRING'] = ""
+        else:
+            exit("""No database connection string found. Cannot continue.
+                 Please set the environment variable DBSTRING or
+                 create a file .dbconn in the root directory of the project.""")
+
+# Check if config exists in DB, if not, create it.
+
+
+def setup_config(app: Flask):
+    if check_config_exists() is False:
+        print("No config found, creating new config")
+        initial_username = os.environ.get("INITIAL_USERNAME")
+        initial_password = os.environ.get("INITIAL_PASSWORD")
+        if initial_username is None:
+            print(
+                "No initial username set. Please set the environment variable INITIAL_USERNAME")
+            exit()
+        if initial_password is None:
+            print(
+                "No initial password set. Please set the environment variable INITIAL_PASSWORD")
+            exit()
+        default_config = {'username': initial_username,
+                          'password': initial_password,
+                          'entryquota': 2,
+                          'maxqueue': 10,
+                          'entries_allowed': 1,
+                          'theme': 'default.css'}
+        for key, value in default_config.items():
+            database.set_config(key, value)
+        print("Created new config")
+        database.init_event_id()
+    config = database.get_config_list()
+    app.config['BASIC_AUTH_USERNAME'] = config['username']
+    app.config['BASIC_AUTH_PASSWORD'] = config['password']
+    app.config['ENTRY_QUOTA'] = config['entryquota']
+    app.config['MAX_QUEUE'] = config['maxqueue']
+    app.config['ENTRIES_ALLOWED'] = bool(config['entries_allowed'])
+    app.config['THEME'] = config['theme']
+    app.config['EVENT_ID'] = database.get_event_id()
+
+# set queue admittance
+
+
+def set_accept_entries(app: Flask, allowed: bool):
+    if allowed:
+        app.config['ENTRIES_ALLOWED'] = True
+        database.set_config('entries_allowed', '1')
+    else:
+        app.config['ENTRIES_ALLOWED'] = False
+        database.set_config('entries_allowed', '0')
+
+# get queue admittance
+
+
+def get_accept_entries(app: Flask) -> bool:
+    state = bool(int(database.get_config('entries_allowed')))
+    app.config['ENTRIES_ALLOWED'] = state
+    return state
+
+
+# Write settings from current app.config to DB
+def persist_config(app: Flask):
+    config = {'username': app.config['BASIC_AUTH_USERNAME'], 'password': app.config['BASIC_AUTH_PASSWORD'],
+              'entryquota': app.config['ENTRY_QUOTA'], 'maxqueue': app.config['MAX_QUEUE']}
+    for key, value in config.items():
+        database.set_config(key, value)
+
+# Get available themes from themes directory
+
+
+def get_themes():
+    themes = []
+    for theme in os.listdir('./static/css/themes'):
+        themes.append(theme)
+    return themes
+
+# Set theme
+
+
+def set_theme(app: Flask, theme: str):
+    if theme in get_themes():
+        app.config['THEME'] = theme
+        database.set_config('theme', theme)
+    else:
+        print("Theme not found, not setting theme.")
+
+
+def get_current_event_id(app: Flask):
+    return app.config['EVENT_ID']
+
+
+def reset_current_event_id(app: Flask):
+    database.reset_event_id()
+    app.config['EVENT_ID'] = database.get_event_id()
+
+
+def nocache(view):
+    @wraps(view)
+    def no_cache(*args, **kwargs):
+        response = make_response(view(*args, **kwargs))
+        response.headers['Last-Modified'] = datetime.now()  # type: ignore
+        response.headers['Cache-Control'] = 'no-store, no-cache, must-revalidate, post-check=0, pre-check=0, max-age=0'
+        response.headers['Pragma'] = 'no-cache'
+        response.headers['Expires'] = '-1'
+        return response
+
+    return update_wrapper(no_cache, view)

backend/main.py

@@ -0,0 +1,4 @@
+from app import app
+
+if __name__ == "__main__":
+    app.run()

backend/requirements.txt

@@ -0,0 +1,37 @@
+autopep8==2.0.2
+beautifulsoup4==4.12.0
+bs4==0.0.1
+certifi==2022.12.7
+charset-normalizer==3.1.0
+click==8.1.3
+flake8==6.0.0
+Flask==2.3.2
+Flask-BasicAuth==0.2.0
+greenlet==2.0.2
+gunicorn==20.1.0
+idna==3.4
+itsdangerous==2.1.2
+Jinja2==3.1.2
+mariadb==1.1.6
+MarkupSafe==2.1.2
+mccabe==0.7.0
+mysql==0.0.3
+mysqlclient==2.1.1
+numpy==1.24.2
+packaging==23.0
+pandas==1.5.3
+pycodestyle==2.10.0
+pyflakes==3.0.1
+PyMySQL==1.0.3
+python-dateutil==2.8.2
+pytz==2023.3
+requests==2.31.0
+six==1.16.0
+soupsieve==2.4
+SQLAlchemy==2.0.7
+toml==0.10.2
+tomli==2.0.1
+typing_extensions==4.5.0
+urllib3==1.26.15
+Werkzeug==2.2.3
+flask_cors==4.0.0

backend/static/css/style.css

@@ -0,0 +1,201 @@
+:root {
+  /* Navbar */
+  --navbar-background-color: #343a40;
+  --navbar-text-color: rgba(255, 255, 255, .5);
+  --navbar-text-color-hover: rgba(255, 255, 255, .75);
+  --navbar-text-color-active: rgba(255, 255, 255, 1);
+
+  /* Common */
+  --background-color: #ffffff;
+  --background-color-var: #f5f5f5;
+  --text-color: #212529;
+  --text-color-var: #343a40;
+
+  /* Modals */
+  --modal-background-color: #ffffff;
+  --modal-separator-color: #dee2e6;
+  --modal-close-color: #212529;
+
+  /* Tables */
+  --table-border-color: #dee2e6;
+
+  /* Input */
+  --input-background-color: #ffffff;
+
+  /* Misc */
+  --copy-highlight-color: rgba(251, 255, 0, 0.6);
+}
+
+
+body {
+  padding-top: 5rem;
+  background-color: var(--background-color);
+}
+
+html,
+body {
+  height: 100%;
+}
+
+.site {
+  height: auto;
+  min-height: 100%;
+}
+
+main {
+  padding-bottom: 60px;
+  /* Höhe des Footers */
+}
+
+.footer {
+  margin-top: -60px;
+  width: 100%;
+  height: 60px;
+  /* Set the fixed height of the footer here */
+  /*line-height: 60px; /* Vertically center the text there */
+  background-color: var(--background-color-var);
+}
+
+.topbutton {
+  width: 100%;
+}
+
+table td {
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
+table.entries tbody tr[data-index="0"] {
+  background-color: #007bff80;
+  font-weight: 600;
+}
+
+table.entries tbody tr[data-index="1"] {
+  background-color: #007bff40;
+  font-weight: 500;
+}
+
+table.entries tbody tr[data-index="2"] {
+  background-color: #007bff20;
+  font-weight: 400;
+}
+
+table.entries tbody tr[data-index="3"] {
+  background-color: #007bff10;
+}
+
+table td:first-child {
+  max-width: 200px !important;
+}
+
+.fa-solid {
+  vertical-align: auto;
+}
+
+@media (min-width: 768px) {
+  .topbutton {
+    width: auto;
+  }
+}
+
+@media print {
+  body {
+    font-size: 1.3em;
+  }
+
+  .footer {
+    display: none !important;
+  }
+
+  .admincontrols {
+    display: none;
+  }
+}
+
+body {
+  background-color: var(--background-color);
+  color: var(--text-color);
+}
+
+.footer {
+  background-color: var(--background-color-var);
+}
+
+.modal-content {
+  background-color: var(--background-color);
+  color: var(--text-color);
+}
+
+.modal-header {
+  background-color: var(--background-color);
+  color: var(--text-color-var);
+  border-color: var(var(--modal-separator-color));
+}
+
+.modal-footer {
+  background-color: var(--background-color);
+  color: var(--text-color-var);
+  border-color: var(var(--modal-separator-color));
+}
+
+.form-control {
+  background-color: var(--input-background-color);
+  color: var(--text-color)
+}
+
+.form-control:focus {
+  background-color: var(--input-background-color);
+  color: var(--text-color)
+}
+
+.table td,
+.table th {
+  border-color: var(--table-border-color)
+}
+
+.table thead th {
+  border-color: var(--table-border-color)
+}
+
+table td.buttoncell {
+  text-align: end;
+}
+
+.close {
+  color: var(--text-color)
+}
+
+pre {
+  color: var(--text-color-var)
+}
+
+#entrytable td>span:hover {
+  background-color: var(--copy-highlight-color);
+}
+
+@media (prefers-color-scheme: dark) {
+  :root {
+    /* Navbar */
+    --navbar-background-color: #343a40;
+    --navbar-text-color: rgba(255, 255, 255, .5);
+    --navbar-text-color-hover: rgba(255, 255, 255, .75);
+    --navbar-text-color-active: rgba(255, 255, 255, 1);
+
+    /* Common */
+    --background-color: #121212;
+    --background-color-var: #232323;
+    --text-color: #f5f5f5;
+    --text-color-var: #a2a2a2;
+
+    /* Modals */
+    --modal-background-color: #121212;
+    --modal-separator-color: #232323;
+    --modal-close-color: #f5f5f5;
+
+    /* Tables */
+    --table-border-color: #232323;
+
+    /* Input */
+    --input-background-color: #343434;
+  }
+}

backend/static/css/themes/stuk.css

@@ -0,0 +1,91 @@
+.navbar {
+    background: #090a28 !important;
+}
+
+.navbar .navbar-toggle:hover,
+.navbar .navbar-toggle:focus {
+    background-color: #900000 !important;
+}
+
+.navbar .navbar-toggle {
+    border: none;
+}
+
+.navbar .navbar-nav>.open>a,
+.navbar .navbar-nav>.open>a:hover,
+.navbar .navbar-nav>.open>a:focus {
+    color: #CF2323 !important;
+    background-color: #050515 !important;
+}
+
+.btn-primary {
+    background-color: #15175b;
+    border-color: #15175b;
+}
+
+.btn-primary:hover,
+.btn-primary:focus {
+    background-color: #0e103e;
+    background-position: 0 -15px;
+}
+
+.btn-primary:active,
+.btn-primary.active {
+    background-color: #0e103e;
+    border-color: #0e103e;
+}
+
+.btn-primary.disabled,
+.btn-primary:disabled,
+.btn-primary[disabled] {
+    background-color: #0e103e;
+    background-image: none;
+}
+
+.dropdown-menu>li>a:hover,
+.dropdown-menu>li>a:focus {
+    color: #8A0711;
+}
+
+.dropdown-menu>.active>a,
+.dropdown-menu>.active>a:hover,
+.dropdown-menu>.active>a:focus {
+    background-color: #2e6da4;
+    background-image: -webkit-linear-gradient(top, #337ab7 0%, #2e6da4 100%);
+    background-image: -o-linear-gradient(top, #337ab7 0%, #2e6da4 100%);
+    background-image: -webkit-gradient(linear, left top, left bottom, from(#337ab7), to(#2e6da4));
+    background-image: linear-gradient(to bottom, #337ab7 0%, #2e6da4 100%);
+    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff337ab7', endColorstr='#ff2e6da4', GradientType=0);
+    background-repeat: repeat-x;
+}
+
+.navbar .navbar-nav>li>a:hover {
+    color: #b60000;
+}
+
+.form-control:focus {
+    border-color: rgba(21, 23, 91, 0.8);
+    outline: 0;
+    -webkit-box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075),
+    0 0 8px rgba(21, 23, 91, 0.6);
+    box-shadow: 0 1px 1px rgba(0, 0, 0, 0.075) inset,
+    0 0 8px rgba(21, 23, 91, 0.6);
+}
+
+a {
+    color: #900000;
+}
+
+a:hover,
+a:focus {
+    color: #670000;
+}
+
+.navbar-brand {
+    display: flex;
+    align-items: center;
+}
+
+.navbar-brand > img {
+    height: 4rem;
+}

backend/templates/base.html

@@ -6,28 +6,36 @@
     <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
     <meta name="description" content="">
     <meta name="author" content="">
+    <meta name="color-scheme" content="light dark" />
     <link rel="icon" href="favicon.ico">
     <link rel="manifest" href="/static/manifest.webmanifest">
 
     <title>{% block title %}{% endblock %} - KaraoQueue</title>
 
     <!-- Bootstrap-Tables -->
-    <link rel="stylesheet" href="https://unpkg.com/bootstrap-table@1.15.3/dist/bootstrap-table.min.css">
+    <link rel="stylesheet" href="https://unpkg.com/bootstrap-table@1.21.2/dist/bootstrap-table.min.css">
+
+    <!-- Bootstrap-Toaster-->
+    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-toaster/4.1.2/css/bootstrap-toaster.min.css"
+        integrity="sha512-kYPLvO+Bu+xttOhbQvxs9nx7XSdxrb2JexRxQ3CpJQ7EtmlkBsWyOjlinLgiLWeLxuupFYB4cPqLOo0gnBnzeQ==" crossorigin="anonymous" referrerpolicy="no-referrer" />
 
     <!-- Bootstrap core CSS -->
-    <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css"
-        integrity="sha384-MCw98/SFnGE8fJT3GXwEOngsV7Zt27NXFoaoApmYm81iuXoPkFOJwJ8ERdknLPMO" crossorigin="anonymous">
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.2.1/dist/css/bootstrap.min.css" integrity="sha384-GJzZqFGwb1QTTN6wy59ffF1BuGJpLSa9DkKMp0DgiMDm4iYMj70gZWKYbI706tWS" crossorigin="anonymous">
 
     <!-- Custom styles for this template -->
     <link href="static/css/style.css" rel="stylesheet">
 
     <!-- Fontawesome Icons -->
-    <link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.8.2/css/all.css"
-        integrity="sha384-oS3vJWv+0UjzBfQzYUhtDYW+Pj2yciDJxpsK1OYPAYjqT085Qq/1cq5FLXAZQ7Ay" crossorigin="anonymous">
+    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css"
+        integrity="sha512-iecdLmaskl7CVkqkXNQ/ZH/XLlvWZOJyj7Yy7tcenmpD1ypASozpmT/E0iPtmFIB46ZmdtAc9eNBvH0H/ZpiBw=="
+        crossorigin="anonymous" referrerpolicy="no-referrer" />
 
     <!-- Bootstraptoggle -->
     <link href="https://gitcdn.github.io/bootstrap-toggle/2.2.2/css/bootstrap-toggle.min.css" rel="stylesheet">
 
+    <!-- Active Theme -->
+    <link href="static/css/themes/{{config['THEME']}}" rel="stylesheet">
+
 </head>
 
 <body>
@@ -73,9 +81,9 @@
             {% if not auth %}
             <a href="/login" class="ml-1 mr-1"><i class="fas fa-sign-in-alt mr-1"></i><span>Login</span></a>
             {% endif %}
-            <!--<a href="https://github.com/PhoenixTwoFive/karaoqueue"
-                class="ml-1 mr-1"><i class="fab fa-github mr-1"></i><span>Github</span></a>-->
-            <span class="text-muted">KaraoQueue {{karaoqueue_version}} -&nbsp;<span>&copy</span>&nbsp;2019-21 - Phillip
+            <a href="https://github.com/PhoenixTwoFive/karaoqueue"
+                class="ml-1 mr-1"><i class="fab fa-github mr-1"></i><span>Github</span></a>
+            <span class="text-muted"> {{karaoqueue_version}} -&nbsp;2019-23 - Phillip
                 Kühne</span>
         </div>
     </footer>
@@ -83,27 +91,26 @@
     <!-- Bootstrap core JavaScript
     ================================================== -->
     <!-- Placed at the end of the document so the pages load faster -->
-    <script src="https://code.jquery.com/jquery-3.2.1.min.js"
-        integrity="sha384-xBuQ/xzmlsLoJpyjoggmTEz8OWUFM0/RC5BsqQBDX2v5cMvDHcMakNTNrHIW2I5f" crossorigin="anonymous">
-        </script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.6.4/jquery.min.js"
+        integrity="sha512-pumBsjNRGGqkPzKHndZMaAG+bir374sORyzM3uulLV14lN5LyykqNk8eEeUlUkB3U0M4FApyaHraT65ihJhDpQ=="
+        crossorigin="anonymous" referrerpolicy="no-referrer"></script>
 
-    <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js"
-        integrity="sha384-ZMP7rVo3mIykV+2+9J3UJ46jBk0WLaUAdn689aCwoqbBJiSnjAK/l8WvCWPIPm49" crossorigin="anonymous">
-        </script>
-    <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/js/bootstrap.min.js"
-        integrity="sha384-ChfqqxuZUCnJSK3+MXmPNIyE6ZbWh2IMqE241rYiqJxyMiZ6OW/JmZQ5stwEULTy" crossorigin="anonymous">
-        </script>
+    <script src="https://cdn.jsdelivr.net/npm/popper.js@1.14.6/dist/umd/popper.min.js" integrity="sha384-wHAiFfRlMFy6i5SRaxvfOCifBUQy1xHdJ/yoi7FRNXMRBu5WHdZYu1hA6ZOblgut" crossorigin="anonymous"></script>
+    <script src="https://cdn.jsdelivr.net/npm/bootstrap@4.2.1/dist/js/bootstrap.min.js" integrity="sha384-B0UglyR+jN6CkvvICOB2joaf5I4l3gm9GU6Hc1og6Ls7i6U/mkkaduKaBhlAXv9k" crossorigin="anonymous"></script>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/bootbox.js/4.4.0/bootbox.min.js"
         integrity="sha256-4F7e4JsAJyLUdpP7Q8Sah866jCOhv72zU5E8lIRER4w=" crossorigin="anonymous">
         </script>
-    <script src="https://unpkg.com/bootstrap-table@1.15.3/dist/bootstrap-table.min.js"></script>
+    <script src="https://unpkg.com/bootstrap-table@1.21.2/dist/bootstrap-table.min.js"></script>
     <script
-        src="https://unpkg.com/bootstrap-table@1.15.3/dist/extensions/auto-refresh/bootstrap-table-auto-refresh.min.js"></script>
+        src="https://unpkg.com/bootstrap-table@1.21.2/dist/extensions/auto-refresh/bootstrap-table-auto-refresh.min.js"></script>
     <script src="https://gitcdn.github.io/bootstrap-toggle/2.2.2/js/bootstrap-toggle.min.js"></script>
+
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-toaster/4.1.2/js/bootstrap-toaster.min.js"
+        integrity="sha512-Ur6jgeoP3jnn38C7oBzDqMLRb+wxG2PXLKqgx2vgQ1ePFvbJ28f9iQSJplHD0APFHELOeS/df+RPNeENFtLrYw==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
     {% block extrajs %}{% endblock %}
     <script>
         $(document).ready(function () {
-            loadOrGenerateClientId()
+            checkEventID()
             // get current URL path and assign 'active' class
             var pathname = window.location.pathname;
             $('.navbar-nav > li > a[href="' + pathname + '"]').parent().addClass('active');
@@ -122,9 +129,53 @@
 
         function loadOrGenerateClientId() {
             if (!localStorage.getItem("clientId")) {
-                localStorage.setItem("clientId",create_UUID())
+                localStorage.setItem("clientId", create_UUID())
             }
         }
+
+        function getClientId() {
+            return localStorage.getItem("clientId")
+        }
+
+        async function checkEventID() {
+            const localEventID = localStorage.getItem("eventID")
+            const resp = await fetch("/api/events/current")
+            const respJson = await resp.json()
+            const remoteEventID = respJson.event
+
+            if (localEventID == null || localEventID != remoteEventID) {
+                localStorage.clear()
+                localStorage.setItem("eventID", remoteEventID)
+                loadOrGenerateClientId()
+            }
+        }
+
+        function addEntry(entryId) {
+          entryArray = JSON.parse(localStorage.getItem("ownedEntries"))
+          if (entryArray == null) {
+            entryArray = []
+          }
+          entryArray.push(entryId)
+          localStorage.setItem("ownedEntries", JSON.stringify(entryArray))
+        }
+
+        function removeEntry(entryId) {
+          entryArray = JSON.parse(localStorage.getItem("ownedEntries"))
+          if (entryArray == null) {
+            entryArray = []
+          }
+          entryArray = entryArray.filter(function(value, index, arr){ return value != entryId;});
+          localStorage.setItem("ownedEntries", JSON.stringify(entryArray))
+        }
+
+        function getOwnedEntries() {
+          var entries = JSON.parse(localStorage.getItem("ownedEntries"))
+          if (entries == null) {
+            entries = []
+          }
+          return entries;
+        }
+
     </script>
 </body>
 

backend/templates/main.html

@@ -0,0 +1,77 @@
+
+
+{% extends 'base.html' %}
+{% block title %}Warteliste{% endblock %}
+{% block content %}
+<a id="bfb" role="button" class="btn btn-primary btn-lg btn-block mb-2" href="/list">Eintragen</a>
+<table class="table entries"
+        data-toggle="table"
+        data-url="/api/queue"
+        data-pagination="true"
+        data-classes="table"
+        data-show-refresh="false"
+        data-auto-refresh="true"
+        data-auto-refresh-interval="10">
+    <thead>
+        <tr>
+            <th data-field="Name">Name</th>
+            <th data-field="Title">Song</th>
+            <th data-field="Artist">Künstler</th>
+            <th scope="col" data-formatter="TableActionsFormatter"></th>
+        </tr>
+    </thead>
+</table>
+<a name="end"></a>
+{% endblock %}
+{% block extrajs %}
+<script>
+$.getJSON("/api/entries/accept", (data) => {
+    if (data["value"]==0) {
+        $("#bfb").addClass("disabled")
+        $("#bfb").prop("aria-disabled",true);
+        $("#bfb").prop("tabindex","-1");
+        $("#bfb").wrap("<span class='tooltip-span' tabindex='0' data-toggle='tooltip' data-placement='bottom'></span>");
+                $(".tooltip-span").prop("title", "Eintragungen sind leider momentan nicht möglich.")
+                $('[data-toggle="tooltip"]').tooltip()
+    }
+})
+
+function TableActionsFormatter(value,row,index) {
+    console.log("Value: " + value + ", Row: " + row + ", Index: " + index)
+    console.log(row)
+    if (getOwnedEntries().includes(row.entry_ID)) {
+      return "<button type='button' class='btn btn-danger' data-toggle='tooltip' data-placement='top' title='Eintrag zurückziehen' onclick=\"event.stopPropagation();$(this).tooltip('dispose');requestDeletionAsUser("+row["entry_ID"]+")\"><i class='fas fa-trash'></i></button>"
+    }
+    return ""
+}
+
+function requestDeletionAsUser(id) {
+  bootbox.confirm("Wirklich den Eintrag zurückziehen? Das könnte zu einer langen Wartezeit führen!", function (result) {
+    if (result) {
+        payload = {
+            "client_id": localStorage.getItem("clientId"),
+            "entry_id": id
+        }
+        $.ajax({
+            url: "/api/entries/delete/"+id,
+            type: "POST",
+            data: JSON.stringify(payload),
+            contentType: "application/json; charset=utf-8",
+            dataType: "json",
+            success: function(result) {
+                toast = {
+                  title: "Erfolgreich zurückgezogen",
+                  message: "Eintrag wurde gelöscht",
+                  status: TOAST_STATUS.SUCCESS,
+                  timeout: 5000
+                }
+                Toast.create(toast);
+                location.reload()
+            }
+        })
+    }
+  })
+}
+
+</script>
+{% endblock %}

backend/templates/main_admin.html

@@ -0,0 +1,220 @@
+{% extends 'base.html' %}
+{% block title %}Warteliste-Admin{% endblock %}
+{% block content %}
+<style>
+    table td:nth-child(2) {
+        overflow-y: hidden;
+        overflow-x: auto;
+        text-overflow: clip;
+        max-width: 200px !important;
+    }
+</style>
+<div class="container">
+    <div id="toolbar">
+        <button type="button" class="topbutton btn btn-danger" onclick="confirmDeleteSelectedEntries()"><i
+                class="fas fa-trash mr-2"></i>Gewählte Einträge löschen</button>
+        <button type="button" class="topbutton btn btn-danger" onclick="confirmUpdateSongDatabase()"><i
+                class="fas fa-file-import mr-2"></i>Song-Datenbank
+            aktualisieren</button>
+        <input id="entryToggle" type="checkbox" class="topbutton" data-toggle="toggle" data-on="Eintragen erlaubt"
+            data-off="Eintragen deaktiviert" data-onstyle="success" data-offstyle="danger">
+    </div>
+    <table class="table entries" id="entrytable" data-toggle="table" data-search="true" data-show-columns="true"
+        data-show-toggle="true" data-multiple-select-row="true" data-click-to-select="true" data-toolbar="#toolbar"
+        data-pagination="true" data-show-extended-pagination="true" data-classes="table table-hover"
+        data-url="/api/queue" data-show-refresh="true" data-auto-refresh="true" data-auto-refresh-interval="10">
+        <thead>
+            <tr>
+                <th data-field="state" data-checkbox="true"></th>
+                <th scope="col" data-field="Name" data-formatter="CopyFormatter">Name</th>
+                <th scope="col" data-field="Title"data-formatter="CopyFormatter">Song</th>
+                <th scope="col" data-field="Artist"data-formatter="CopyFormatter">Künstler</th>
+                <th scope="col" data-formatter="TableActions">Aktionen</th>
+            </tr>
+        </thead>
+    </table>
+    <a name="end"></a>
+</div>
+{% endblock %}
+{% block extrajs %}
+<script>
+    $(function () {
+        refreshEntryToggle()
+        $('#entryToggle').change(function () {
+            $.ajax({ url: "/api/entries/accept/" + ($('#entryToggle').is(":checked") ? "1" : "0"), complete: setTimeout(refreshEntryToggle, 1000) });
+        })
+        $("#entrytable").bootstrapTable().on('load-success.bs.table', function () {
+            $('[data-toggle="tooltip"]').tooltip()
+        })
+        $('[data-toggle="tooltip"]').tooltip({
+            trigger: 'hover'
+        })
+    })
+    function confirmDeleteEntry(name, entry_id) {
+        bootbox.confirm("Wirklich den Eintrag von " + name + " löschen?", function (result) {
+            if (result) {
+                deleteEntry(entry_id)
+            }
+        })
+    }
+    function confirmDeleteSelectedEntries() {
+        bootbox.confirm({
+            message: "Wirklich gewählte Eintragungen löschen?",
+            buttons: {
+                confirm: {
+                    label: 'Ja',
+                    className: 'btn btn-danger'
+                },
+                cancel: {
+                    label: 'Nein',
+                    className: 'btn btn-secondary'
+                }
+            },
+            callback: function (result) {
+                if (result) {
+                    DeleteSelectedEntries(getIdSelections())
+                }
+            }
+        })
+    }
+    function confirmUpdateSongDatabase() {
+        bootbox.confirm({
+            message: "Wirklich die Song-Datenbank aktualisieren?<br>Dies lädt die Aktuelle Song-Liste von <a href='https://www.karafun.de/karaoke-song-list.html'>KaraFun</a> herunter, <b>und wird alle Eintragungen löschen!</b>",
+            buttons: {
+                confirm: {
+                    label: 'Ja',
+                    className: 'btn-primary'
+                },
+                cancel: {
+                    label: 'Nein',
+                    className: 'btn btn-secondary'
+                }
+            },
+            callback: function (result) {
+                if (result) {
+                    var dialog = bootbox.dialog({
+                        message: '<p class="text-center mb-0"><i class="fa fa-spin fa-cog"></i> Aktualisiere Song-Datenbank...</p>',
+
+                        closeButton: false
+                    });
+                    updateSongDatabase(dialog)
+                }
+            }
+        })
+    }
+    function refreshEntryToggle() {
+        $.getJSON("/api/entries/accept", (data) => {
+            if (data["value"] != $('#entryToggle').is(":checked")) {
+                if (data["value"] == 1) {
+                    $('#entryToggle').data('bs.toggle').on('true')
+                }
+                else {
+                    $('#entryToggle').data('bs.toggle').off('true')
+                }
+            }
+        })
+    }
+    function deleteEntry(entry_id) {
+        $.ajax({
+            type: 'GET',
+            url: '/api/entries/delete/' + entry_id,
+            contentType: "application/json",
+            dataType: 'json',
+            async: false
+        });
+        $("#entrytable").bootstrapTable('refresh')
+
+    }
+    function markEntryAsSung(entry_id) {
+        $.ajax({
+            type: 'GET',
+            url: '/api/entries/mark_sung/' + entry_id,
+            contentType: "application/json",
+            dataType: 'json',
+            async: false
+        });
+        $("#entrytable").bootstrapTable('refresh')
+
+    }
+
+    function markEntryAsTransferred(entry_id) {
+        $.ajax({
+            type: 'GET',
+            url: '/api/entries/mark_transferred/' + entry_id,
+            contentType: "application/json",
+            dataType: 'json',
+            async: false
+        });
+        $("#entrytable").bootstrapTable('refresh')
+
+    }
+
+    function DeleteSelectedEntries(ids) {
+        $.ajax({
+            type: 'POST',
+            url: '/api/entries/delete',
+            data: JSON.stringify(ids), // or JSON.stringify ({name: 'jonas'}),
+            error: function () {
+                bootbox.alert({
+                    message: "Fehler beim Löschen der Eintragungen.",
+                })
+            },
+            success: function () {
+                $("#entrytable").bootstrapTable('refresh')
+
+            },
+            contentType: "application/json",
+            dataType: 'json'
+        });
+    }
+    function updateSongDatabase(wait_dialog) {
+        $.ajax({
+            type: 'GET',
+            url: '/api/songs/update',
+            contentType: "application/json",
+            dataType: 'json',
+            success: function (data) {
+                wait_dialog.modal('hide')
+                bootbox.alert({
+                    message: data["status"],
+                    callback: function () {
+                        $("#entrytable").bootstrapTable('refresh')
+                    }
+                })
+            }
+        });
+    }
+    function TableActions(value, row, index) {
+        let outerHTML = ""
+        if (row.Transferred == 1) {
+            outerHTML = "<button type=\"button\" class=\"btn btn-default\" data-toggle=\"tooltip\" data-placement=\"top\" title=\"Markierung zurückziehen\" onclick=\"event.stopPropagation();$(this).tooltip('dispose');markEntryAsTransferred(" + row.entry_ID + ")\"><i class=\"fas fa-backward\"></i></button>&nbsp;<button type=\"button\" class=\"btn btn-success\" data-toggle=\"tooltip\" data-placement=\"top\" title=\"Als gesungen markieren\" onclick=\"event.stopPropagation();$(this).tooltip('dispose');markEntryAsSung(" + row.entry_ID + ")\"><i class=\"fas fa-check\"></i></button>&nbsp;<button type=\"button\" class=\"btn btn-danger\" data-toggle=\"tooltip\" data-placement=\"top\" title=\"Eintrag löschen\" onclick=\"event.stopPropagation();$(this).tooltip('dispose');confirmDeleteEntry(this.parentElement.parentElement.children[1].innerText," + row.entry_ID + ")\"><i class=\"fas fa-trash\"></i></button>";
+        } else {
+            outerHTML = "<button type=\"button\" class=\"btn btn-info\" data-toggle=\"tooltip\" data-placement=\"top\" title=\"Als übertragen markieren\" onclick=\"event.stopPropagation();$(this).tooltip('dispose');markEntryAsTransferred(" + row.entry_ID + ")\"><i class=\"fas fa-exchange-alt\"></i></button>&nbsp;<button type=\"button\" class=\"btn btn-success\" data-toggle=\"tooltip\" data-placement=\"top\" title=\"Als gesungen markieren\" onclick=\"event.stopPropagation();$(this).tooltip('dispose');markEntryAsSung(" + row.entry_ID + ")\"><i class=\"fas fa-check\"></i></button>&nbsp;<button type=\"button\" class=\"btn btn-danger\" data-toggle=\"tooltip\" data-placement=\"top\" title=\"Eintrag löschen\" onclick=\"event.stopPropagation();$(this).tooltip('dispose');confirmDeleteEntry(this.parentElement.parentElement.children[1].innerText," + row.entry_ID + ")\"><i class=\"fas fa-trash\"></i></button>";
+        }
+        return outerHTML;
+    }
+
+    function CopyFormatter(value, row, index) {
+        let escapedString = value.replace("\"","\\\"").replace("\'", "\\\'")
+        return "<span onclick='copyAndNotify(this.innerText)'>"+value+"</span>";
+    }
+
+    function getIdSelections() {
+        return $.map($("#entrytable").bootstrapTable('getSelections'), function (row) {
+            return row.entry_ID
+        })
+    }
+
+    function copyAndNotify(text) {
+        navigator.clipboard.writeText(text).then(function () {
+            let toast = {
+                title: "Kopiert",
+                message: text,
+                status: 1,
+                timeout: 5000
+              };
+            Toast.create(toast);
+            })
+    }
+</script>
+{% endblock %}

backend/templates/settings.html

@@ -0,0 +1,41 @@
+{% extends 'base.html' %}
+{% block title %}Einstellungen{% endblock %}
+{% block content %}
+<form method="post">
+    <p>
+        <label for="entryquota">Maximale Anzahl an Einträgen pro Nutzer</label>
+        <input type="number" class="form-control" id="entryquota" name="entryquota" min=1 value={{app.config['ENTRY_QUOTA']}}>
+    </p>
+    <p>
+        <label for="maxqueue">Maximale Anzahl an Einträgen Insgesamt</label>
+        <input type="number" class="form-control" id="maxqueue" name="maxqueue" min=1 value={{app.config['MAX_QUEUE']}}>
+    </p>
+    <p>
+        <label for="theme">Aktives Theme</label>
+        <select class="form-control" id="theme" name="theme">
+            {% for theme in themes %}
+            <option value="{{theme}}" {% if theme == config['THEME'] %}selected{% endif %}>{{theme}}</option>
+            {% endfor %}
+        </select>
+    </p>
+    <div class="alert alert-warning" role="alert">
+        <i class="fas fa-exclamation-triangle mr-1"></i>
+        <strong>Warnung:</strong> Änderungen an den folgenden Einstellungen führen zu einer sofortigen Abmeldung!
+    </div>
+    <p>
+        <label for="username">Benutzername</label>
+        <input type="text" class="form-control" id="username" name="username" value={{app.config['BASIC_AUTH_USERNAME']}}>
+    </p>
+    <p>
+        <label for="password">Passwort ändern</label>
+        <input type="password" class="form-control" id="password" name="password">
+    </p>
+    <input type="submit" class="btn btn-primary mr-1 mb-2" value="Einstellungen anwenden">
+</form>
+<details>
+    <summary>Current config:</summary>
+    <pre>{% for key, val in config.items() %}{{key}}: {{val}}<br>{% endfor %}</pre>
+</details>
+{% endblock %}
+{% block extrajs %}
+{% endblock %}

backend/templates/songlist.html

@@ -46,7 +46,7 @@
                     var items = [];
                     $.each(data, function (key, val) {
                         items.push("<tr><td>" + val[0] + `</td>
-                            <td><button type='button'
+                            <td class='buttoncell'><button type='button'
                                     class='btn btn-primary justify-content-center align-content-between enqueueButton'
                                     data-toggle='modal'
                                     data-target='#enqueueModal' onclick='setSelectedId(`+ val[1] + `)'><i
@@ -67,6 +67,9 @@
             e.preventDefault();
             submitModal();
         });
+        $('#enqueueModal').on('shown.bs.modal', function (e) {
+            $("#singerNameInput").focus();
+        })
     });
 
 
@@ -79,7 +82,7 @@
         $.ajax({
             type: 'POST',
             url: '/api/enqueue',
-            data: JSON.stringify(data), // or JSON.stringify ({name: 'jonas'}),
+            data: JSON.stringify(data),
             success: success_callback,
             statusCode: {
                 423: blocked_callback
@@ -96,7 +99,18 @@
     function submitModal() {
         var name = $("#singerNameInput").val();
         var id = $("#selectedId").attr("value");
-        enqueue(localStorage.getItem("clientId"),id, name, function () {
+        enqueue(localStorage.getItem("clientId"),id, name, function (response) {
+            console.log(response);
+            entryID = response["entry_id"];
+            toast = {
+                title: "Erfolgreich eingetragen",
+                message: "Du wurdest erfolgreich eingetragen.",
+                status: TOAST_STATUS.SUCCESS,
+                timeout: 5000
+            }
+            Toast.create(toast);
+            console.log("Entry ID: " + entryID);
+            addEntry(entryID);
             $("#enqueueModal").modal('hide');
             window.location.href = '/#end';
         }, function (response) {
@@ -118,7 +132,7 @@
                 $(".enqueueButton").prop("disabled", true)
                 $(".enqueueButton").prop("style", "pointer-events: none;")
                 $(".enqueueButton").wrap("<span class='tooltip-span' tabindex='0' data-toggle='tooltip' data-placement='top'></span>");
-                $(".tooltip-span").prop("title", "Eintragungen sind leider nicht mehr möglich.")
+                $(".tooltip-span").prop("title", "Eintragungen sind leider momentan nicht möglich.")
                 $('[data-toggle="tooltip"]').tooltip()
             } else {
                 $(".enqueueButton").prop("disabled", false)

docker-compose.prod.yml

@@ -0,0 +1,23 @@
+version: "3.9"
+
+secrets:
+  secrets:
+    file: ./secrets.yml
+
+services:
+  karaoqueue:
+    image: "ghcr.io/phoenixtwofive/karaoqueue:v2023.06"
+    build: .
+    restart: always
+    ports:
+      - "127.0.0.1:8081:80" # Please put a reverse proxy in front of this
+    env_file: .env
+  db:
+    image: mariadb
+    restart: always
+    env_file: .env 
+    volumes:
+    - karaoqueue-db:/var/lib/mysql
+
+volumes:
+  karaoqueue-db:

docker-compose.yml

@@ -0,0 +1,15 @@
+# This Compose file is for development only. It is not intended for production use.
+# It only starts auxiliary services, such as a database, that are required for the
+# application to run. The application itself is started separately, using the
+# command "python -m flask run" or your favorite IDE.
+# Useful for attaching a debugger to the application.
+
+version: "3.9"
+
+services:
+  db:
+    image: mariadb
+    restart: always
+    env_file: .env.dev
+    ports:
+      - "3306:3306"

docs/swagger.yaml

@@ -0,0 +1,233 @@
+openapi: 3.0.2
+info:
+  title: Karaoqueue API
+  version: '0.0.1'
+servers:
+  - url: 'http://localhost:3000/api'
+    description: Local Test sever instance
+  - url: 'https://karaoke.phillipathome.dynv6.net/api'
+    description: Production API    
+
+paths:
+  /api/enqueue:
+    post:
+      summary: "Enqueue a song"
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              type: object
+              properties:
+                client_id:
+                  type: string
+                name:
+                  type: string
+                id:
+                  type: string
+      responses:
+        '200':
+          description: "Song enqueued successfully"
+        '400':
+          description: "Bad request, JSON is required"
+        '423':
+          description: "Cannot enqueue, conditions not met"
+
+  /api/queue:
+    get:
+      summary: "Get the queue"
+      responses:
+        '200':
+          description: "Queue retrieved successfully"
+          content:
+            application/json:
+              schema:
+                type: array
+                items:
+                  type: object
+
+  /api/songs:
+    get:
+      summary: "Get the list of songs"
+      responses:
+        '200':
+          description: "List of songs retrieved successfully"
+          content:
+            application/json:
+              schema:
+                type: array
+                items:
+                  type: object
+
+  /api/songs/update:
+    get:
+      summary: "Update the list of songs"
+      responses:
+        '200':
+          description: "Songs updated successfully"
+        '400':
+          description: "Bad request"
+
+  /api/songs/compl:
+    get:
+      summary: "Get song completions"
+      parameters:
+        - name: search
+          in: query
+          required: false
+          schema:
+            type: string
+      responses:
+        '200':
+          description: "Song completions retrieved successfully"
+          content:
+            application/json:
+              schema:
+                type: array
+                items:
+                  type: object
+        '400':
+          description: "Bad request"
+
+  /api/entries/delete/{entry_id}:
+    get:
+      summary: "Admin deletes an entry"
+      parameters:
+        - name: entry_id
+          in: path
+          required: true
+          schema:
+            type: string
+      responses:
+        '200':
+          description: "Entry deleted successfully"
+        '400':
+          description: "Entry deletion failed"
+
+    post:
+      summary: "User deletes an entry"
+      parameters:
+        - name: entry_id
+          in: path
+          required: true
+          schema:
+            type: string
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              type: object
+              properties:
+                client_id:
+                  type: string
+      responses:
+        '200':
+          description: "Entry deleted successfully"
+        '400':
+          description: "Bad request, JSON is required"
+        '403':
+          description: "Forbidden, client_id mismatch"
+
+  /api/entries/delete:
+    post:
+      summary: "Delete multiple entries"
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              type: array
+              items:
+                type: string
+      responses:
+        '200':
+          description: "Entries deleted successfully"
+        '400':
+          description: "Bad request, JSON is required"
+
+  /api/entries/mark_sung/{entry_id}:
+    get:
+      summary: "Mark an entry as sung"
+      parameters:
+        - name: entry_id
+          in: path
+          required: true
+          schema:
+            type: string
+      responses:
+        '200':
+          description: "Entry marked as sung successfully"
+        '400':
+          description: "Marking entry as sung failed"
+
+  /api/entries/mark_transferred/{entry_id}:
+    get:
+      summary: "Toggle transferred status of an entry"
+      parameters:
+        - name: entry_id
+          in: path
+          required: true
+          schema:
+            type: string
+      responses:
+        '200':
+          description: "Entry transferred status toggled successfully"
+        '400':
+          description: "Toggling transferred status failed"
+
+  /api/entries/accept/{value}:
+    get:
+      summary: "Set accept entries status"
+      parameters:
+        - name: value
+          in: path
+          required: true
+          schema:
+            type: string
+      responses:
+        '200':
+          description: "Accept entries status set successfully"
+        '400':
+          description: "Setting accept entries status failed"
+
+  /api/entries/accept:
+    get:
+      summary: "Get accept entries status"
+      responses:
+        '200':
+          description: "Accept entries status retrieved successfully"
+
+  /api/played/clear:
+    get:
+      summary: "Clear played songs"
+      responses:
+        '200':
+          description: "Played songs cleared successfully"
+        '400':
+          description: "Clearing played songs failed"
+
+  /api/entries/delete_all:
+    get:
+      summary: "Delete all entries"
+      responses:
+        '200':
+          description: "All entries deleted successfully"
+        '400':
+          description: "Deleting all entries failed"
+
+  /api/events/current:
+    get:
+      summary: "Get the current event"
+      responses:
+        '200':
+          description: "Current event retrieved successfully"
+
+security:
+  - BasicAuth: []
+
+components:
+  securitySchemes:
+    BasicAuth:
+      type: http
+      scheme: basic

frontend/ng-karaoqueue/.vscode/launch.json

@@ -0,0 +1,25 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+      {
+        "type": "firefox",
+        "request": "launch",
+        "reAttach": true,
+        "name": "Launch Firefox against localhost",
+        "url": "http://localhost:4200",
+        "webRoot": "${workspaceFolder}"
+      },
+
+      {
+          "type": "chrome",
+          "request": "launch",
+          "name": "Launch Chrome against localhost",
+          "url": "http://localhost:4200",
+          "webRoot": "${workspaceFolder}",
+          "runtimeExecutable": "/usr/bin/chromium"
+      }
+    ]
+}

frontend/ng-karaoqueue/.vscode/tasks.json

@@ -0,0 +1,26 @@
+{
+    // See https://go.microsoft.com/fwlink/?LinkId=733558
+    // for the documentation about the tasks.json format
+    "version": "2.0.0",
+    "tasks": [
+        {
+            "type": "npm",
+            "script": "start",
+            "group": "build",
+            "problemMatcher": []
+        },
+        {
+            "type": "npm",
+            "script": "build",
+            "group": "build",
+            "problemMatcher": []
+        },
+        {
+            "type": "npm",
+            "script": "serve",
+            "problemMatcher": [
+                "$tsc"
+            ]
+        }
+    ]
+}

frontend/ng-karaoqueue/angular.json

@@ -0,0 +1,139 @@
+{
+  "$schema": "./node_modules/@angular/cli/lib/config/schema.json",
+  "version": 1,
+  "newProjectRoot": "projects",
+  "projects": {
+    "ng-karaoqueue": {
+      "projectType": "application",
+      "schematics": {},
+      "root": "",
+      "sourceRoot": "src",
+      "prefix": "app",
+      "architect": {
+        "build": {
+          "builder": "@angular-devkit/build-angular:browser",
+          "options": {
+            "preserveSymlinks": true,
+            "outputPath": "dist/ng-karaoqueue",
+            "index": "src/index.html",
+            "main": "src/main.ts",
+            "polyfills": "src/polyfills.ts",
+            "tsConfig": "src/tsconfig.json",
+            "aot": false,
+            "assets": [
+              "src/favicon.ico",
+              "src/assets",
+               {
+                 "glob": "mdi.svg",
+                 "input": "node_modules/@mdi/angular-material/",
+                 "output": "/assets/"
+               }
+            ],
+            "styles": [
+              "src/custom-theme.scss",
+              "src/styles.scss"
+            ],
+            "scripts": [],
+            "vendorChunk": true,
+            "extractLicenses": false,
+            "buildOptimizer": false,
+            "sourceMap": true,
+            "optimization": false,
+            "namedChunks": true
+          },
+          "configurations": {
+            "production": {
+              "fileReplacements": [
+                {
+                  "replace": "src/environments/environment.ts",
+                  "with": "src/environments/environment.prod.ts"
+                }
+              ],
+              "optimization": true,
+              "outputHashing": "all",
+              "sourceMap": false,
+              "namedChunks": false,
+              "aot": true,
+              "extractLicenses": true,
+              "vendorChunk": false,
+              "buildOptimizer": true,
+              "budgets": [
+                {
+                  "type": "initial",
+                  "maximumWarning": "2mb",
+                  "maximumError": "5mb"
+                },
+                {
+                  "type": "anyComponentStyle",
+                  "maximumWarning": "6kb",
+                  "maximumError": "10kb"
+                }
+              ]
+            }
+          },
+          "defaultConfiguration": ""
+        },
+        "serve": {
+          "builder": "@angular-devkit/build-angular:dev-server",
+          "options": {
+            "browserTarget": "ng-karaoqueue:build"
+          },
+          "configurations": {
+            "production": {
+              "browserTarget": "ng-karaoqueue:build:production"
+            }
+          }
+        },
+        "extract-i18n": {
+          "builder": "@angular-devkit/build-angular:extract-i18n",
+          "options": {
+            "browserTarget": "ng-karaoqueue:build"
+          }
+        },
+        "test": {
+          "builder": "@angular-devkit/build-angular:karma",
+          "options": {
+            "main": "src/test.ts",
+            "polyfills": "src/polyfills.ts",
+            "tsConfig": "tsconfig.spec.json",
+            "karmaConfig": "karma.conf.js",
+            "assets": [
+              "src/favicon.ico",
+              "src/assets",
+              {
+                "glob": "mdi.svg",
+                "input": "node_modules/@mdi/angular-material/",
+                "output": "/assets/"
+              }
+            ],
+            "styles": [
+              "./app/custom-theme.scss",
+              "src/styles.scss"
+            ],
+            "scripts": []
+          }
+        },
+        "e2e": {
+          "builder": "@angular-devkit/build-angular:protractor",
+          "options": {
+            "protractorConfig": "e2e/protractor.conf.js",
+            "devServerTarget": "ng-karaoqueue:serve"
+          },
+          "configurations": {
+            "production": {
+              "devServerTarget": "ng-karaoqueue:serve:production"
+            }
+          }
+        }
+      }
+    }
+  },
+  "schematics": {
+    "@schematics/angular:component": {
+      "style": "scss"
+    }
+  },
+  "cli": {
+    "analytics": false
+  }
+}

frontend/ng-karaoqueue/package.json

@@ -0,0 +1,51 @@
+{
+  "name": "ng-karaoqueue",
+  "version": "0.0.0",
+  "scripts": {
+    "ng": "ng",
+    "start": "ng serve",
+    "serve": "ng serve --host=0.0.0.0",
+    "build": "ng build",
+    "test": "ng test",
+    "lint": "ng lint",
+    "e2e": "ng e2e"
+  },
+  "private": true,
+  "dependencies": {
+    "@angular/animations": "^16.2.7",
+    "@angular/cdk": "^16.2.6",
+    "@angular/common": "^16.2.7",
+    "@angular/compiler": "^16.2.7",
+    "@angular/core": "^16.2.7",
+    "@angular/forms": "^16.2.7",
+    "@angular/material": "^16.2.6",
+    "@angular/platform-browser": "^16.2.7",
+    "@angular/platform-browser-dynamic": "^16.2.7",
+    "@angular/router": "^16.2.7",
+    "@mdi/angular-material": "^7.2.96",
+    "hammerjs": "^2.0.8",
+    "rxjs": "~7.8.1",
+    "tslib": "^2.6.2",
+    "zone.js": "~0.14.0"
+  },
+  "devDependencies": {
+    "@angular-devkit/build-angular": "^16.2.4",
+    "@angular/cli": "^16.2.4",
+    "@angular/compiler-cli": "^16.2.7",
+    "@angular/language-service": "^16.2.7",
+    "@types/jasmine": "~4.3.6",
+    "@types/jasminewd2": "~2.0.11",
+    "@types/node": "~20.7.2",
+    "jasmine-core": "~5.1.1",
+    "jasmine-spec-reporter": "~7.0.0",
+    "karma": "~6.4.2",
+    "karma-chrome-launcher": "~3.2.0",
+    "karma-coverage-istanbul-reporter": "~3.0.3",
+    "karma-jasmine": "~5.1.0",
+    "karma-jasmine-html-reporter": "^2.1.0",
+    "protractor": "~7.0.0",
+    "ts-node": "~10.9.1",
+    "tslint": "~6.1.0",
+    "typescript": "~5.2.2"
+  }
+}

frontend/ng-karaoqueue/src/app/app-routing.module.ts

@@ -0,0 +1,16 @@
+import { EntryListingComponent } from './entry-listing/entry-listing.component';
+import { NgModule } from '@angular/core';
+import { Routes, RouterModule } from '@angular/router';
+import { SongSearchComponent } from './song-search/song-search.component';
+
+
+const routes: Routes = [
+  {path: '', component: EntryListingComponent },
+  {path: 'songs', component: SongSearchComponent}
+];
+
+@NgModule({
+  imports: [RouterModule.forRoot(routes)],
+  exports: [RouterModule]
+})
+export class AppRoutingModule { }

frontend/ng-karaoqueue/src/app/app.component.html

@@ -0,0 +1,11 @@
+<div>
+  <mat-toolbar color="primary" class="mat-elevation-z6">
+    <span>KaraoQueue</span>
+    <span>&nbsp;</span>
+    <a mat-button routerLink="/" [routerLinkActive]="['is-active']">Warteschlange</a>
+    <a mat-button routerLink="/songs" [routerLinkActive]="['is-active']">Songs</a>
+    <div class="spacer"></div>
+    <a mat-stroked-button>Login</a>
+  </mat-toolbar>
+</div>
+<router-outlet></router-outlet>

frontend/ng-karaoqueue/src/app/app.component.scss

@@ -0,0 +1,7 @@
+.spacer {
+  flex: 1 1 auto;
+}
+
+.is-active {
+  background-color: rgba(255,255,255,0.1);
+}

frontend/ng-karaoqueue/src/app/app.component.ts

@@ -0,0 +1,16 @@
+import { Component, OnInit } from '@angular/core';
+ 
+
+@Component({
+  selector: 'app-root',
+  templateUrl: './app.component.html',
+  styleUrls: ['./app.component.scss']
+})
+export class AppComponent implements OnInit{
+
+  constructor() {}
+  ngOnInit(): void {
+    
+  }
+  title = 'KaraoQueue';
+}

frontend/ng-karaoqueue/src/app/app.module.ts

@@ -0,0 +1,106 @@
+import { BrowserModule, DomSanitizer } from '@angular/platform-browser';
+import { NgModule } from '@angular/core';
+
+import { AppRoutingModule } from './app-routing.module';
+import { AppComponent } from './app.component';
+import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
+import { MatLegacyAutocompleteModule as MatAutocompleteModule } from '@angular/material/legacy-autocomplete';
+import { MatBadgeModule } from '@angular/material/badge';
+import { MatBottomSheetModule } from '@angular/material/bottom-sheet';
+import { MatLegacyButtonModule as MatButtonModule } from '@angular/material/legacy-button';
+import { MatButtonToggleModule } from '@angular/material/button-toggle';
+import { MatLegacyCardModule as MatCardModule } from '@angular/material/legacy-card';
+import { MatLegacyCheckboxModule as MatCheckboxModule } from '@angular/material/legacy-checkbox';
+import { MatLegacyChipsModule as MatChipsModule } from '@angular/material/legacy-chips';
+import { MatStepperModule } from '@angular/material/stepper';
+import { MatDatepickerModule } from '@angular/material/datepicker';
+import { MatLegacyDialogModule as MatDialogModule } from '@angular/material/legacy-dialog';
+import { MatDividerModule } from '@angular/material/divider';
+import { MatExpansionModule } from '@angular/material/expansion';
+import { MatGridListModule } from '@angular/material/grid-list';
+import { MatIconRegistry, MatIconModule } from '@angular/material/icon';
+import { MatLegacyInputModule as MatInputModule } from '@angular/material/legacy-input';
+import { MatLegacyListModule as MatListModule } from '@angular/material/legacy-list';
+import { MatLegacyMenuModule as MatMenuModule } from '@angular/material/legacy-menu';
+import { MatNativeDateModule, MatRippleModule } from '@angular/material/core';
+import { MatLegacyPaginatorModule as MatPaginatorModule } from '@angular/material/legacy-paginator';
+import { MatLegacyProgressBarModule as MatProgressBarModule } from '@angular/material/legacy-progress-bar';
+import { MatLegacyProgressSpinnerModule as MatProgressSpinnerModule } from '@angular/material/legacy-progress-spinner';
+import { MatLegacyRadioModule as MatRadioModule } from '@angular/material/legacy-radio';
+import { MatLegacySelectModule as MatSelectModule } from '@angular/material/legacy-select';
+import { MatSidenavModule } from '@angular/material/sidenav';
+import { MatLegacySliderModule as MatSliderModule } from '@angular/material/legacy-slider';
+import { MatLegacySlideToggleModule as MatSlideToggleModule } from '@angular/material/legacy-slide-toggle';
+import { MatLegacySnackBarModule as MatSnackBarModule } from '@angular/material/legacy-snack-bar';
+import { MatSortModule } from '@angular/material/sort';
+import { MatLegacyTableModule as MatTableModule } from '@angular/material/legacy-table';
+import { MatLegacyTabsModule as MatTabsModule } from '@angular/material/legacy-tabs';
+import { MatToolbarModule } from '@angular/material/toolbar';
+import { MatLegacyTooltipModule as MatTooltipModule } from '@angular/material/legacy-tooltip';
+import { MatTreeModule } from '@angular/material/tree';
+
+import { HttpClientModule } from '@angular/common/http';
+
+
+import { EntryListingComponent } from './entry-listing/entry-listing.component';
+import { SongSearchComponent } from './song-search/song-search.component';
+
+import { debounceTime, distinctUntilChanged } from "rxjs/operators";
+import { SongChipComponent } from './song-chip/song-chip.component';
+
+@NgModule({
+  declarations: [
+    AppComponent,
+    EntryListingComponent,
+    SongSearchComponent,
+    SongChipComponent
+  ],
+  imports: [
+    BrowserModule,
+    AppRoutingModule,
+    BrowserAnimationsModule,
+    MatAutocompleteModule,
+    MatBadgeModule,
+    MatBottomSheetModule,
+    MatButtonModule,
+    MatButtonToggleModule,
+    MatCardModule,
+    MatCheckboxModule,
+    MatChipsModule,
+    MatStepperModule,
+    MatDatepickerModule,
+    MatDialogModule,
+    MatDividerModule,
+    MatExpansionModule,
+    MatGridListModule,
+    MatIconModule,
+    MatInputModule,
+    MatListModule,
+    MatMenuModule,
+    MatNativeDateModule,
+    MatPaginatorModule,
+    MatProgressBarModule,
+    MatProgressSpinnerModule,
+    MatRadioModule,
+    MatRippleModule,
+    MatSelectModule,
+    MatSidenavModule,
+    MatSliderModule,
+    MatSlideToggleModule,
+    MatSnackBarModule,
+    MatSortModule,
+    MatTableModule,
+    MatTabsModule,
+    MatToolbarModule,
+    MatTooltipModule,
+    MatTreeModule,
+    HttpClientModule,
+  ],
+  providers: [],
+  bootstrap: [AppComponent]
+})
+export class AppModule {
+  constructor(matIconRegistry: MatIconRegistry, domSanitizer: DomSanitizer) {
+    matIconRegistry.addSvgIconSet(domSanitizer.bypassSecurityTrustResourceUrl('./assets/mdi.svg'));
+  }
+}

frontend/ng-karaoqueue/src/app/entry-listing/entry-listing.component.html

@@ -0,0 +1 @@
+<p>entry-listing works!</p>

frontend/ng-karaoqueue/src/app/entry-listing/entry-listing.component.spec.ts

@@ -0,0 +1,25 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { EntryListingComponent } from './entry-listing.component';
+
+describe('EntryListingComponent', () => {
+  let component: EntryListingComponent;
+  let fixture: ComponentFixture<EntryListingComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ EntryListingComponent ]
+    })
+    .compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(EntryListingComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

frontend/ng-karaoqueue/src/app/entry-listing/entry-listing.component.ts

@@ -0,0 +1,15 @@
+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'app-entry-listing',
+  templateUrl: './entry-listing.component.html',
+  styleUrls: ['./entry-listing.component.scss']
+})
+export class EntryListingComponent implements OnInit {
+
+  constructor() { }
+
+  ngOnInit(): void {
+  }
+
+}

frontend/ng-karaoqueue/src/app/entry-service.service.spec.ts

@@ -0,0 +1,16 @@
+import { TestBed } from '@angular/core/testing';
+
+import { EntryServiceService } from './entry-service.service';
+
+describe('EntryServiceService', () => {
+  let service: EntryServiceService;
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({});
+    service = TestBed.inject(EntryServiceService);
+  });
+
+  it('should be created', () => {
+    expect(service).toBeTruthy();
+  });
+});

frontend/ng-karaoqueue/src/app/entry-service.service.ts

@@ -0,0 +1,25 @@
+import { Injectable } from '@angular/core';
+import { HttpClient } from '@angular/common/http';
+ 
+import { Entry } from './models/entry.model';
+import { Observable } from 'rxjs';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class EntryServiceService {
+
+  private api: string;
+  constructor(
+    private http: HttpClient,
+    private configSvc: RuntimeConfigLoaderService
+  ) {
+    this.api = configSvc.getConfigObjectKey("api");
+  }
+
+  getEntries(): Observable<Array<Entry>> {
+      return null; // TODO
+  }
+
+
+}

frontend/ng-karaoqueue/src/app/models/artist.model.ts

@@ -0,0 +1,10 @@
+export class Artist {
+
+  constructor(id: number, name: string) {
+    this.id = id;
+    this.name = name;
+  }
+
+  id: number;
+  name: string;
+}

frontend/ng-karaoqueue/src/app/models/entry.model.ts

@@ -0,0 +1,12 @@
+export class Entry {
+
+  constructor(singer_name: string, song: string, auth_cookie?: string) {
+    this.singer_name=singer_name;
+    this.song=song;
+    this.auth_cookie = auth_cookie;
+  }
+
+  singer_name: string;
+  song: string; //Actually the ID of the Song
+  auth_cookie?: string; //The "cookie" to authenticate for changing an entry. Null otherwise
+}

frontend/ng-karaoqueue/src/app/models/genre.model.ts

@@ -0,0 +1,16 @@
+export class Genre {
+
+  constructor(id: number, name: string) {
+    this.id = id;
+    this._name = name;
+  }
+
+
+  public get name() : string {
+    return this._name;
+  }
+
+
+  id: number; 
+  _name: string;
+}

frontend/ng-karaoqueue/src/app/models/language.model.ts

@@ -0,0 +1,10 @@
+export class Language {
+
+  constructor(id: number, name: string) {
+    this.id = id;
+    this.name = name;
+  }
+
+  id: number;
+  name: string;
+}

frontend/ng-karaoqueue/src/app/models/song.model.ts

@@ -0,0 +1,26 @@
+import { Genre } from './genre.model';
+import { Language } from './language.model';
+import { Artist } from './artist.model';
+
+export class Song {
+
+  constructor(title: string, artist: Artist, karafun_id: number, duo: boolean, explicit: boolean, id: number, styles: Array<String>, languages: Array<String>) {
+    this.title=title;
+    this.artist=artist;
+    this.karafun_id=karafun_id;
+    this.duo=duo;
+    this.explicit=explicit;
+    this.id=id;
+    this.styles=styles;
+    this.languages=languages;
+  }
+
+  title: string;
+  artist: Artist;
+  karafun_id: number;
+  duo: boolean;
+  explicit: boolean;
+  id: number;
+  styles: Array<String>;
+  languages: Array<String>;
+}

frontend/ng-karaoqueue/src/app/song-chip/song-chip.component.html

@@ -0,0 +1,36 @@
+<mat-card class="result">
+    <div class="card-left">
+        <mat-card-title>{{song.artist}} - {{song.title}}</mat-card-title>
+        <div class="song-info">
+            <div class="info-icons">
+                <ng-template [ngIf]="song.duo==1" [ngIfElse]="nonduet">
+                    <mat-icon svgIcon="account-multiple"></mat-icon>
+                </ng-template>
+                <ng-template #nonduet>
+                    <mat-icon svgIcon="account"></mat-icon>
+                </ng-template>
+                <ng-template [ngIf]="song.explicit==1" [ngIfElse]="nonexplicit">
+                    <mat-icon svgIcon="alpha-e-box"></mat-icon>
+                </ng-template>
+                <ng-template #nonexplicit>
+                    <mat-icon svgIcon="alpha-e-box" class="icon-disabled"></mat-icon>
+                </ng-template>
+            </div>
+            <div class="genre-list">
+                <mat-icon svgIcon="music-circle"></mat-icon>
+                <mat-chip-list *ngFor="let style of song.styles">
+                    <mat-chip>{{style}}</mat-chip>
+                </mat-chip-list>
+            </div>
+            <div class="language-list">
+                <mat-icon svgIcon="account-voice"></mat-icon>
+                <mat-chip-list *ngFor="let language of song.languages">
+                    <mat-chip>{{language}}</mat-chip>
+                </mat-chip-list>
+            </div>
+        </div>
+    </div>
+    <button mat-flat-button color="accent" class="add-button">
+        <mat-icon svgIcon="playlist-plus"></mat-icon>
+    </button>
+</mat-card>

frontend/ng-karaoqueue/src/app/song-chip/song-chip.component.spec.ts

@@ -0,0 +1,21 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { SongChipComponent } from './song-chip.component';
+
+describe('SongChipComponent', () => {
+  let component: SongChipComponent;
+  let fixture: ComponentFixture<SongChipComponent>;
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({
+      declarations: [SongChipComponent]
+    });
+    fixture = TestBed.createComponent(SongChipComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

frontend/ng-karaoqueue/src/app/song-chip/song-chip.component.ts

@@ -0,0 +1,10 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'app-song-chip',
+  templateUrl: './song-chip.component.html',
+  styleUrls: ['./song-chip.component.scss']
+})
+export class SongChipComponent {
+
+}

frontend/ng-karaoqueue/src/app/song-search/song-search.component.html

@@ -0,0 +1,13 @@
+<div class="content">
+  <mat-form-field class="search-input">
+    <mat-label>Suche...</mat-label>
+    <mat-icon matSuffix svgIcon="magnify"></mat-icon>
+    <input type="text" matInput placeholder="Tippe einen Künstler oder Song..."
+    (keyup)="applyFilter($event.target.value)">
+  </mat-form-field>
+  </div>
+  <div class="resultcontainer">
+    <mat-list *ngFor="let song of songs">
+        
+    </mat-list>
+  </div>

frontend/ng-karaoqueue/src/app/song-search/song-search.component.scss

@@ -0,0 +1,120 @@
+.search-input {
+  width: 95%;
+  margin-top: 1rem;
+}
+
+.add-button {
+  height: 3rem;
+}
+
+.content {
+  overflow: hidden;
+  display: flex;
+  justify-content: center;
+}
+
+.resultcontainer {
+  overflow: hidden;
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+}
+
+.result {
+  margin-left: auto;
+  margin-right: auto;
+  width: 90%;
+  margin-top: 0.2rem;
+  display: flex;
+  align-items: stretch;
+  justify-content: space-between;
+  flex-direction: column;
+}
+
+.card-left {
+  display: flex;
+  flex-direction: column;
+  width: 100%;
+}
+
+.song-info {
+  box-sizing: border-box;
+  display: flex;
+  flex-direction: column;
+  width: 100%;
+}
+
+.song-info > * {
+  margin-right: 0.5rem;
+}
+
+.icon-disabled {
+  opacity: 0.1;
+}
+
+.genre-list > mat-icon {
+  padding-right: 0.25rem;
+}
+
+.genre-list mat-chip-list {
+  margin-right: 0.15rem;
+}
+
+.genre-list {
+  overflow-x: scroll;
+  overflow-y: hidden;
+  white-space: nowrap;
+  display: flex;
+  flex-direction: row;
+  padding-bottom: 0.25rem;
+  align-items: center;
+  -webkit-mask-image: linear-gradient(to right, rgba(0,0,0,0) 0%,rgba(0,0,0,1) 2px,rgba(0,0,0,1) calc(100% - 2px),rgba(0,0,0,0) 100%);
+  mask-image: linear-gradient(to right, rgba(0,0,0,0) 0%,rgba(0,0,0,1) 2px,rgba(0,0,0,1) calc(100% - 2px),rgba(0,0,0,0) 100%);
+  -ms-overflow-style: none;
+}
+
+.language-list > mat-icon {
+  padding-right: 0.25rem;
+}
+
+.language-list mat-chip-list {
+  margin-right: 0.15rem;
+}
+
+.genre-list::-webkit-scrollbar {
+  width: 0px;
+  height: 0px;
+  display: none;
+}
+
+.language-list {
+  overflow-x: scroll;
+  overflow-y: hidden;
+  white-space: nowrap;
+  display: flex;
+  flex-direction: row;
+  padding-bottom: 0.25rem;
+  align-items: center;
+  -ms-overflow-style: none;
+}
+
+
+
+.language-list::-webkit-scrollbar {
+  display: none;
+}
+
+
+$breakpoint-tablet: 768px;
+@media (min-width: $breakpoint-tablet) {
+  .result {
+    flex-direction: row;
+
+  }
+
+  .add-button {
+    height: 6.5rem;
+    width: 4rem;
+    align-self: center;
+  }
+}

frontend/ng-karaoqueue/src/app/song-search/song-search.component.spec.ts

@@ -0,0 +1,25 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { SongSearchComponent } from './song-search.component';
+
+describe('SongSearchComponent', () => {
+  let component: SongSearchComponent;
+  let fixture: ComponentFixture<SongSearchComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ SongSearchComponent ]
+    })
+    .compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(SongSearchComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

frontend/ng-karaoqueue/src/app/song-search/song-search.component.ts

@@ -0,0 +1,43 @@
+import { Component, OnInit } from '@angular/core';
+import { SongServiceService } from "../song-service.service";
+import { Song } from '../models/song.model';
+import { Subject } from 'rxjs';
+import { debounceTime, distinctUntilChanged, map } from 'rxjs/operators';
+
+@Component({
+  selector: 'app-song-search',
+  templateUrl: './song-search.component.html',
+  styleUrls: ['./song-search.component.scss']
+})
+export class SongSearchComponent implements OnInit {
+
+  private searchSub$ = new Subject<string>();
+
+  constructor(private songServiceService: SongServiceService) { }
+
+  songs: Array<Song> = new Array<Song>();
+
+  updateSongs(text: string) {
+    this.songServiceService.searchSongByText(text).subscribe(x => {
+      console.log(x);
+      this.songs = x;
+    });
+  }
+
+  applyFilter(filterValue: string) {
+    this.searchSub$.next(filterValue)
+  }
+
+  ngOnInit(): void {
+    this.searchSub$.pipe(
+      debounceTime(400),
+      distinctUntilChanged()
+    ).subscribe((filterValue: string) => {
+      this.updateSongs(filterValue);
+    });
+
+    //Für Testzwecke
+    this.updateSongs("Test");
+  }
+
+}

frontend/ng-karaoqueue/src/app/song-service.service.spec.ts

@@ -0,0 +1,16 @@
+import { TestBed } from '@angular/core/testing';
+
+import { SongServiceService } from './song-service.service';
+
+describe('SongServiceService', () => {
+  let service: SongServiceService;
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({});
+    service = TestBed.inject(SongServiceService);
+  });
+
+  it('should be created', () => {
+    expect(service).toBeTruthy();
+  });
+});

frontend/ng-karaoqueue/src/app/song-service.service.ts

@@ -0,0 +1,51 @@
+import { Injectable } from '@angular/core';
+import { HttpClient, HttpHeaders } from "@angular/common/http";
+import { Song } from './models/song.model';
+import { Artist } from './models/artist.model';
+import { Genre } from './models/genre.model';
+import { Language } from './models/language.model';
+ 
+import { ConnectableObservable, Observable } from 'rxjs';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class SongServiceService {
+
+  private api: string;
+  constructor(
+    private http: HttpClient,
+  ) {
+    // TODO: get api from config
+    this.api= "http://localhost:5000/api";
+  }
+
+  searchSongByText(text: string): Observable<Array<Song>> {
+
+
+    let out = new Array<Song>();
+
+    this.http.get(this.api +"/songs/search?q="+text).subscribe((data: Observable<JSON>) => {
+      data.forEach(element => {
+        let styles = new Array<String>();
+        let languages = new Array<String>();
+        for (let style of element["styles"].split(",")) {
+          styles.push(style);
+        }
+        for (let language of element["languages"].split(",")) {
+          languages.push(language);
+        }
+        out.push(new Song(element["title"],element["artist"],element["karafun_id"],element["duo"],element["explicit"],element["_id"],styles,languages));
+      });
+      console.log(out);
+    });
+
+    const observable = new Observable<Array<Song>>( subscriber => {
+      subscriber.next(out);
+    })
+
+
+    return observable;
+  }
+
+}

frontend/ng-karaoqueue/src/assets/config.json

@@ -0,0 +1,3 @@
+{
+  "api":"http://localhost:5000/api"
+}

frontend/ng-karaoqueue/src/custom-theme.scss

@@ -0,0 +1,280 @@
+/**
+* Generated theme by Material Theme Generator
+* https://materialtheme.arcsine.dev
+*/
+
+@import '@angular/material/theming';
+// Include the common styles for Angular Material. We include this here so that you only
+// have to load a single css file for Angular Material in your app.
+
+// Fonts
+@import 'https://fonts.googleapis.com/css?family=Material+Icons';
+@import url('https://fonts.googleapis.com/css?family=Roboto:300,400,500');
+
+$fontConfig: (
+  display-4: mat-typography-level(112px, 112px, 300, 'Roboto', -0.0134em),
+  display-3: mat-typography-level(56px, 56px, 400, 'Roboto', -0.0089em),
+  display-2: mat-typography-level(45px, 48px, 400, 'Roboto', 0.0000em),
+  display-1: mat-typography-level(34px, 40px, 400, 'Roboto', 0.0074em),
+  headline: mat-typography-level(24px, 32px, 400, 'Roboto', 0.0000em),
+  title: mat-typography-level(20px, 32px, 500, 'Roboto', 0.0075em),
+  subheading-2: mat-typography-level(16px, 28px, 400, 'Roboto', 0.0094em),
+  subheading-1: mat-typography-level(15px, 24px, 500, 'Roboto', 0.0067em),
+  body-2: mat-typography-level(14px, 24px, 500, 'Roboto', 0.0179em),
+  body-1: mat-typography-level(14px, 20px, 400, 'Roboto', 0.0179em),
+  button: mat-typography-level(14px, 14px, 500, 'Roboto', 0.0893em),
+  caption: mat-typography-level(12px, 20px, 400, 'Roboto', 0.0333em),
+  input: mat-typography-level(inherit, 1.125, 400, 'Roboto', 1.5px)
+);
+
+// Foreground Elements
+
+// Light Theme Text
+$dark-text: #000000;
+$dark-primary-text: rgba($dark-text, 0.87);
+$dark-accent-text: rgba($dark-primary-text, 0.54);
+$dark-disabled-text: rgba($dark-primary-text, 0.38);
+$dark-dividers: rgba($dark-primary-text, 0.12);
+$dark-focused: rgba($dark-primary-text, 0.12);
+
+$mat-light-theme-foreground: (
+  base:              black,
+  divider:           $dark-dividers,
+  dividers:          $dark-dividers,
+  disabled:          $dark-disabled-text,
+  disabled-button:   rgba($dark-text, 0.26),
+  disabled-text:     $dark-disabled-text,
+  elevation:         black,
+  secondary-text:    $dark-accent-text,
+  hint-text:         $dark-disabled-text,
+  accent-text:       $dark-accent-text,
+  icon:              $dark-accent-text,
+  icons:             $dark-accent-text,
+  text:              $dark-primary-text,
+  slider-min:        $dark-primary-text,
+  slider-off:        rgba($dark-text, 0.26),
+  slider-off-active: $dark-disabled-text,
+);
+
+// Dark Theme text
+$light-text: #ffffff;
+$light-primary-text: $light-text;
+$light-accent-text: rgba($light-primary-text, 0.7);
+$light-disabled-text: rgba($light-primary-text, 0.5);
+$light-dividers: rgba($light-primary-text, 0.12);
+$light-focused: rgba($light-primary-text, 0.12);
+
+$mat-dark-theme-foreground: (
+  base:              $light-text,
+  divider:           $light-dividers,
+  dividers:          $light-dividers,
+  disabled:          $light-disabled-text,
+  disabled-button:   rgba($light-text, 0.3),
+  disabled-text:     $light-disabled-text,
+  elevation:         black,
+  hint-text:         $light-disabled-text,
+  secondary-text:    $light-accent-text,
+  accent-text:       $light-accent-text,
+  icon:              $light-text,
+  icons:             $light-text,
+  text:              $light-text,
+  slider-min:        $light-text,
+  slider-off:        rgba($light-text, 0.3),
+  slider-off-active: rgba($light-text, 0.3),
+);
+
+// Background config
+// Light bg
+$light-background:    #fafafa;
+$light-bg-darker-5:   darken($light-background, 5%);
+$light-bg-darker-10:  darken($light-background, 10%);
+$light-bg-darker-20:  darken($light-background, 20%);
+$light-bg-darker-30:  darken($light-background, 30%);
+$light-bg-lighter-5:  lighten($light-background, 5%);
+$dark-bg-tooltip:     lighten(#2c2c2c, 20%);
+$dark-bg-alpha-4:     rgba(#2c2c2c, 0.04);
+$dark-bg-alpha-12:    rgba(#2c2c2c, 0.12);
+
+$mat-light-theme-background: (
+  background:               $light-background,
+  status-bar:               $light-bg-darker-20,
+  app-bar:                  $light-bg-darker-5,
+  hover:                    $dark-bg-alpha-4,
+  card:                     $light-bg-lighter-5,
+  dialog:                   $light-bg-lighter-5,
+  tooltip:                  $dark-bg-tooltip,
+  disabled-button:          $dark-bg-alpha-12,
+  raised-button:            $light-bg-lighter-5,
+  focused-button:           $dark-focused,
+  selected-button:          $light-bg-darker-20,
+  selected-disabled-button: $light-bg-darker-30,
+  disabled-button-toggle:   $light-bg-darker-10,
+  unselected-chip:          $light-bg-darker-10,
+  disabled-list-option:     $light-bg-darker-10,
+);
+
+// Dark bg
+$dark-background:     #2c2c2c;
+$dark-bg-lighter-5:   lighten($dark-background, 5%);
+$dark-bg-lighter-10:  lighten($dark-background, 10%);
+$dark-bg-lighter-20:  lighten($dark-background, 20%);
+$dark-bg-lighter-30:  lighten($dark-background, 30%);
+$light-bg-alpha-4:    rgba(#fafafa, 0.04);
+$light-bg-alpha-12:   rgba(#fafafa, 0.12);
+
+// Background palette for dark themes.
+$mat-dark-theme-background: (
+  background:               $dark-background,
+  status-bar:               $dark-bg-lighter-20,
+  app-bar:                  $dark-bg-lighter-5,
+  hover:                    $light-bg-alpha-4,
+  card:                     $dark-bg-lighter-5,
+  dialog:                   $dark-bg-lighter-5,
+  tooltip:                  $dark-bg-lighter-20,
+  disabled-button:          $light-bg-alpha-12,
+  raised-button:            $dark-bg-lighter-5,
+  focused-button:           $light-focused,
+  selected-button:          $dark-bg-lighter-20,
+  selected-disabled-button: $dark-bg-lighter-30,
+  disabled-button-toggle:   $dark-bg-lighter-10,
+  unselected-chip:          $dark-bg-lighter-20,
+  disabled-list-option:     $dark-bg-lighter-10,
+);
+
+// Compute font config
+@include mat-core();
+
+// Theme Config
+
+body {
+  --primary-color: #090a28;
+  --primary-lighter-color: #b5b6bf;
+  --primary-darker-color: #050518;
+  --text-primary-color: #{$light-primary-text};
+  --text-primary-lighter-color: #{$dark-primary-text};
+  --text-primary-darker-color: #{$light-primary-text};
+}
+
+$mat-primary: (
+  main: #090a28,
+  lighter: #b5b6bf,
+  darker: #050518,
+  200: #090a28, // For slide toggle,
+  contrast : (
+    main: $light-primary-text,
+    lighter: $dark-primary-text,
+    darker: $light-primary-text,
+  )
+);
+$theme-primary: mat-palette($mat-primary, main, lighter, darker);
+
+body {
+  --accent-color: #b70000;
+  --accent-lighter-color: #e9b3b3;
+  --accent-darker-color: #9f0000;
+  --text-accent-color: #{$light-primary-text};
+  --text-accent-lighter-color: #{$dark-primary-text};
+  --text-accent-darker-color: #{$light-primary-text};
+}
+
+$mat-accent: (
+  main: #b70000,
+  lighter: #e9b3b3,
+  darker: #9f0000,
+  200: #b70000, // For slide toggle,
+  contrast : (
+    main: $light-primary-text,
+    lighter: $dark-primary-text,
+    darker: $light-primary-text,
+  )
+);
+$theme-accent: mat-palette($mat-accent, main, lighter, darker);
+
+body {
+  --warn-color: #ffc600;
+  --warn-lighter-color: #ffeeb3;
+  --warn-darker-color: #ffb100;
+  --text-warn-color: #{$dark-primary-text};
+  --text-warn-lighter-color: #{$dark-primary-text};
+  --text-warn-darker-color: #{$dark-primary-text};
+}
+
+$mat-warn: (
+  main: #ffc600,
+  lighter: #ffeeb3,
+  darker: #ffb100,
+  200: #ffc600, // For slide toggle,
+  contrast : (
+    main: $dark-primary-text,
+    lighter: $dark-primary-text,
+    darker: $dark-primary-text,
+  )
+);
+$theme-warn: mat-palette($mat-warn, main, lighter, darker);;
+
+$theme: mat-dark-theme($theme-primary, $theme-accent, $theme-warn);
+$altTheme: mat-light-theme($theme-primary, $theme-accent, $theme-warn);
+
+// Theme Init
+@include angular-material-theme($theme);
+
+.theme-alternate {
+  @include angular-material-theme($altTheme);
+}
+
+// Specific component overrides, pieces that are not in line with the general theming
+
+// Handle buttons appropriately, with respect to line-height
+.mat-raised-button, .mat-stroked-button, .mat-flat-button {
+  padding: 0 1.15em;
+  margin: 0 .65em;
+  min-width: 3em;
+  line-height: 36.4px
+}
+
+.mat-standard-chip {
+  padding: .5em .85em;
+  min-height: 2.5em;
+}
+
+.material-icons {
+  font-size: 24px;
+  font-family: 'Material Icons', 'Material Icons';
+  .mat-badge-content {
+    font-family: 'Roboto';
+  }
+}
+
+mat-form-field.mat-form-field {
+&.mat-focused {
+  .mat-form-field-label {
+      color: $light-text;
+  }
+  .mat-form-field-ripple {
+      background-color: $light-text !important;
+  }
+}
+.mat-form-field-label.mat-focused,
+.mat-form-field.mat-focused.matform-field-should-float {
+    color: $light-text;
+}
+
+.mat-form-field-underline, .mat-form-field-label {
+  color: $light-accent-text;
+}
+
+.mat-form-field-underline.mat-focused {
+    background-color: $light-text;
+  }
+}
+
+button.mat-menu-item {
+  line-height: 24px !important;
+}
+a.mat-menu-item > mat-icon {
+  margin-bottom: 14px;
+}
+.mat-icon svg {
+  height: 24px;
+  width: 24px;
+}

frontend/ng-karaoqueue/src/index.html

@@ -0,0 +1,15 @@
+<!doctype html>
+<html lang="en">
+<head>
+  <meta charset="utf-8">
+  <title>NgKaraoqueue</title>
+  <base href="/">
+  <meta name="viewport" content="width=device-width, initial-scale=1">
+  <link rel="icon" type="image/x-icon" href="favicon.ico">
+  <link href="https://fonts.googleapis.com/css?family=Roboto:300,400,500&display=swap" rel="stylesheet">
+  <link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
+</head>
+<body class="mat-typography mat-app-background">
+  <app-root></app-root>
+</body>
+</html>

frontend/ng-karaoqueue/src/main.ts

@@ -0,0 +1,4 @@
+import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
+import { AppModule } from './app/app.module';
+
+platformBrowserDynamic().bootstrapModule(AppModule);

frontend/ng-karaoqueue/src/polyfills.ts

@@ -0,0 +1,61 @@
+/**
+ * @license
+ * Copyright Google LLC All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.io/license
+ */
+
+/**
+ * This file includes polyfills needed by Angular and is loaded before the app.
+ * You can add your own extra polyfills to this file.
+ *
+ * This file is divided into 2 sections:
+ *   1. Browser polyfills. These are applied before loading ZoneJS and are sorted by browsers.
+ *   2. Application imports. Files imported after ZoneJS that should be loaded before your main
+ *      file.
+ *
+ * The current setup is for so-called "evergreen" browsers; the last versions of browsers that
+ * automatically update themselves. This includes recent versions of Safari, Chrome (including
+ * Opera), Edge on the desktop, and iOS and Chrome on mobile.
+ *
+ * Learn more in https://angular.io/guide/browser-support
+ */
+
+/***************************************************************************************************
+ * BROWSER POLYFILLS
+ */
+
+/**
+ * By default, zone.js will patch all possible macroTask and DomEvents
+ * user can disable parts of macroTask/DomEvents patch by setting following flags
+ * because those flags need to be set before `zone.js` being loaded, and webpack
+ * will put import in the top of bundle, so user need to create a separate file
+ * in this directory (for example: zone-flags.ts), and put the following flags
+ * into that file, and then add the following code before importing zone.js.
+ * import './zone-flags';
+ *
+ * The flags allowed in zone-flags.ts are listed here.
+ *
+ * The following flags will work for all browsers.
+ *
+ * (window as any).__Zone_disable_requestAnimationFrame = true; // disable patch requestAnimationFrame
+ * (window as any).__Zone_disable_on_property = true; // disable patch onProperty such as onclick
+ * (window as any).__zone_symbol__UNPATCHED_EVENTS = ['scroll', 'mousemove']; // disable patch specified eventNames
+ *
+ *  in IE/Edge developer tools, the addEventListener will also be wrapped by zone.js
+ *  with the following flag, it will bypass `zone.js` patch for IE/Edge
+ *
+ *  (window as any).__Zone_enable_cross_context_check = true;
+ *
+ */
+
+/***************************************************************************************************
+ * Zone JS is required by default for Angular itself.
+ */
+import 'zone.js';  // Included with Angular CLI.
+
+
+/***************************************************************************************************
+ * APPLICATION IMPORTS
+ */

frontend/ng-karaoqueue/src/styles.scss

@@ -0,0 +1,10 @@
+/* You can add global styles to this file, and also import other style files */
+html,
+body {
+  height: 100%;
+}
+
+body {
+  margin: 0;
+  font-family: Roboto, "Helvetica Neue", sans-serif;
+}

frontend/ng-karaoqueue/src/test.ts

@@ -0,0 +1,34 @@
+/**
+ * @license
+ * Copyright Google LLC All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.io/license
+ */
+
+// This file is required by karma.conf.js and loads recursively all the .spec and framework files
+
+import 'zone.js/testing';
+import { getTestBed } from '@angular/core/testing';
+import {
+  BrowserDynamicTestingModule,
+  platformBrowserDynamicTesting
+} from '@angular/platform-browser-dynamic/testing';
+
+declare const require: {
+  context(path: string, deep?: boolean, filter?: RegExp): {
+    <T>(id: string): T;
+    keys(): string[];
+  };
+};
+
+// First, initialize the Angular testing environment.
+getTestBed().initTestEnvironment(
+  BrowserDynamicTestingModule,
+  platformBrowserDynamicTesting(),
+);
+
+// Then we find all the tests.
+const context = require.context('./', true, /\.spec\.ts$/);
+// And load the modules.
+context.keys().forEach(context);

frontend/ng-karaoqueue/src/tsconfig.json

@@ -0,0 +1,28 @@
+{
+  "compilerOptions": {
+    "baseUrl": "",
+    "declaration": false,
+    "downlevelIteration": true,
+    "experimentalDecorators": true,
+    "lib": [
+      "es6",
+      "dom"
+    ],
+    "mapRoot": "./",
+    "module": "ES2022",
+    "moduleResolution": "node",
+    "outDir": "../dist/out-tsc",
+    "sourceMap": true,
+    "target": "ES2022",
+    "skipLibCheck": true,
+    "typeRoots": [
+      "../node_modules/@types"
+    ],
+    "useDefineForClassFields": false
+  },
+  "include": [
+    "main.ts",
+    "polyfills.ts",
+    "src/**/*.d.ts"
+  ]
+}

frontend/ng-karaoqueue/tsconfig.app.json

@@ -0,0 +1,16 @@
+/* To learn more about this file see: https://angular.io/config/tsconfig. */
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "outDir": "./out-tsc/app",
+    "types": []
+  },
+  "files": [
+    "src/app/app.module.ts",
+    "src/main.ts",
+    "src/polyfills.ts"
+  ],
+  "include": [
+    "src/**/*.d.ts"
+  ]
+}

frontend/ng-karaoqueue/tsconfig.json

@@ -0,0 +1,17 @@
+/*
+  This is a "Solution Style" tsconfig.json file, and is used by editors and TypeScript’s language server to improve development experience.
+  It is not intended to be used to perform a compilation.
+
+  To learn more about this file see: https://angular.io/config/solution-tsconfig.
+*/
+{
+    "files": [],
+    "references": [
+      {
+        "path": "./src/tsconfig.json"
+      }
+    ],
+    "compilerOptions": {
+      "target": "ES2022",
+    }
+}

frontend/ng-karaoqueue/tsconfig.spec.json

@@ -0,0 +1,18 @@
+/* To learn more about this file see: https://angular.io/config/tsconfig. */
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "outDir": "./out-tsc/spec",
+    "types": [
+      "jasmine"
+    ]
+  },
+  "files": [
+    "src/test.ts",
+    "src/polyfills.ts"
+  ],
+  "include": [
+    "src/**/*.spec.ts",
+    "src/**/*.d.ts"
+  ]
+}

package-lock.json

@@ -0,0 +1,141 @@
+{
+  "name": "karaoqueue",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "dependencies": {
+        "runtime-config-loader": "^5.0.2"
+      }
+    },
+    "node_modules/@angular/common": {
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+      "peer": true,
+      "dependencies": {
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+      },
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+      },
+      "peerDependencies": {
+        "@angular/core": "16.2.7",
+        "rxjs": "^6.5.3 || ^7.4.0"
+      }
+    },
+    "node_modules/@angular/compiler": {
+      "version": "16.2.7",
+      "resolved": "https://registry.npmjs.org/@angular/compiler/-/compiler-16.2.7.tgz",
+      "integrity": "sha512-Sp+QjHFYjBMhjag/YbIV5skqr/UrpBjCPo1WFBBhj5DKkvgWC7T00yYJn+aBj0DU5ZuMmO/P8Vb7bRIHIRNL4w==",
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+      },
+      "peerDependenciesMeta": {
+        "@angular/core": {
+          "optional": true
+        }
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+    },
+    "node_modules/@angular/core": {
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+      "resolved": "https://registry.npmjs.org/@angular/core/-/core-16.2.7.tgz",
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+      "peer": true,
+      "dependencies": {
+        "tslib": "^2.3.0"
+      },
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+      },
+      "peerDependencies": {
+        "rxjs": "^6.5.3 || ^7.4.0",
+        "zone.js": "~0.13.0"
+      }
+    },
+    "node_modules/@angular/platform-browser": {
+      "version": "16.2.7",
+      "resolved": "https://registry.npmjs.org/@angular/platform-browser/-/platform-browser-16.2.7.tgz",
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+        "@angular/common": "16.2.7",
+        "@angular/core": "16.2.7"
+      },
+      "peerDependenciesMeta": {
+        "@angular/animations": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@angular/platform-browser-dynamic": {
+      "version": "16.2.7",
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+        "@angular/core": "16.2.7",
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+      }
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+        "@angular/platform-browser-dynamic": ">=13.0.0",
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+      }
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+      "peer": true,
+      "dependencies": {
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+      }
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+    "node_modules/tslib": {
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+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.6.2.tgz",
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+    },
+    "node_modules/zone.js": {
+      "version": "0.13.3",
+      "resolved": "https://registry.npmjs.org/zone.js/-/zone.js-0.13.3.tgz",
+      "integrity": "sha512-MKPbmZie6fASC/ps4dkmIhaT5eonHkEt6eAy80K42tAm0G2W+AahLJjbfi6X9NPdciOE9GRFTTM8u2IiF6O3ww==",
+      "peer": true,
+      "dependencies": {
+        "tslib": "^2.3.0"
+      }
+    }
+  }
+}

package.json

@@ -0,0 +1,5 @@
+{
+  "dependencies": {
+    "runtime-config-loader": "^5.0.2"
+  }
+}