Disable registration when Event is ended.

appState contains variables that indicate whether an event is
currently ongoing, and whether registration is currently allowed.

.env.dev

@@ -1,12 +0,0 @@
-# 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

.gitignore

@@ -131,13 +131,3 @@ dmypy.json
 
 # Test data
 data/
-
-# Node Modules
-
-node_modules/
-
-# Version identification file
-.version
-
-# Docker secrets
-secrets.yml

.vscode/launch.json

@@ -4,83 +4,43 @@
     // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
     "version": "0.2.0",
     "configurations": [
+
+
+
+        {"name":"Python: Flask","type":"python","request":"launch","module":"flask","env":{"FLASK_APP":"backend/app/main.py","FLASK_ENV":"development","FLASK_DEBUG":"1"},"args":["run","--no-debugger","--no-reload"],"jinja":true},
+        {"name":"Python: Flask (with reload)","type":"python","request":"launch","module":"flask","env":{"FLASK_APP":"backend/app/main.py","FLASK_ENV":"development","FLASK_DEBUG":"1"},"args":["run","--no-debugger"],"jinja":true},
         {
-            "preLaunchTask": "mariadb",
-            "name": "Python: Flask",
-            "type": "python",
-            "cwd": "${workspaceFolder}/backend",
-            "request": "launch",
-            "module": "flask",
-            "env": {
-                "FLASK_APP": "backend/app.py",
-                "FLASK_ENV": "development",
-                "FLASK_DEBUG": "1", 
-            },
-            "envFile": "${workspaceFolder}/.env.dev",
-            "args": [
-                "run",
-                "--no-debugger",
-                "--no-reload"
-            ],
-            "jinja": true
-        },
-        {
-            "preLaunchTask": "mariadb",
-            "name": "Python: Flask (with reload)",
-            "type": "python",
-            "cwd": "${workspaceFolder}/backend",
-            "request": "launch",
-            "module": "flask",
-            "env": {
-                "FLASK_APP": "backend/app.py",
-                "FLASK_ENV": "development",
-                "FLASK_DEBUG": "1"
-            },
-            "envFile": "${workspaceFolder}/.env.dev",
-            "args": [
-                "run",
-                "--no-debugger"
-            ],
-            "jinja": true
-        },
-        {
-            "preLaunchTask": "mariadb",
             "name": "Python: Flask (with reload, externally reachable)",
             "type": "python",
-            "cwd": "${workspaceFolder}/backend",
             "request": "launch",
             "module": "flask",
             "env": {
-                "FLASK_APP": "backend/app.py",
+                "FLASK_APP": "backend/app/main.py",
                 "FLASK_ENV": "development",
                 "FLASK_DEBUG": "1"
             },
-            "envFile": "${workspaceFolder}/.env.dev",
             "args": [
                 "run",
                 "--no-debugger",
-                "--host=0.0.0.0"
+                "--host='0.0.0.0'"
             ],
             "jinja": true
         },
         {
-            "preLaunchTask": "mariadb",
             "name": "Python: Flask (externally reachable)",
             "type": "python",
-            "cwd": "${workspaceFolder}/backend",
             "request": "launch",
             "module": "flask",
             "env": {
-                "FLASK_APP": "backend/app.py",
+                "FLASK_APP": "backend/app/main.py",
                 "FLASK_ENV": "development",
                 "FLASK_DEBUG": "1"
             },
-            "envFile": "${workspaceFolder}/.env.dev",
             "args": [
                 "run",
                 "--no-debugger",
                 "--no-reload",
-                "--host=0.0.0.0"
+                "--host='0.0.0.0'"
             ],
             "jinja": true
         },

.vscode/settings.json

@@ -1,3 +1,9 @@
 {
-    "python.pythonPath": "/usr/bin/python"
+    "python.pythonPath": "/usr/bin/python",
+    "files.exclude": {
+        "**/.classpath": true,
+        "**/.project": true,
+        "**/.settings": true,
+        "**/.factorypath": true
+    }
 }

.vscode/tasks.json

@@ -1,20 +1,15 @@
 {
-    // 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)\"> ${workspaceFolder}/backend/.version",
-            "problemMatcher": []
-        },
-        {
-            "label": "mariadb",
-            "type": "shell",
-            "command": "docker-compose -f docker-compose.yml up --remove-orphans",
-            "isBackground": true,
-            "activeOnStart": false
+            "type": "npm",
+            "script": "start",
+            "path": "frontend/ng-karaoqueue/",
+            "problemMatcher": [
+                "$tsc"
+            ]
         }
     ]
 }

Dockerfile

@@ -1,16 +0,0 @@
-FROM tiangolo/meinheld-gunicorn-flask:python3.9
-
-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
-
-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/.gcloudignore

@@ -1,19 +0,0 @@
-# This file specifies files that are *not* uploaded to Google Cloud Platform
-# using gcloud. It follows the same syntax as .gitignore, with the addition of
-# "#!include" directives (which insert the entries of the given .gitignore-style
-# file at that point).
-#
-# For more information, run:
-#   $ gcloud topic gcloudignore
-#
-.gcloudignore
-# If you would like to upload your .git directory, .gitignore file or files
-# from your .gitignore file, remove the corresponding line
-# below:
-.git
-.gitignore
-
-# Python pycache:
-__pycache__/
-# Ignored by the build system
-/setup.cfg

backend/.vscode/launch.json

@@ -0,0 +1,24 @@
+{
+    // 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": "node",
+            "request": "launch",
+            "name": "Launch via NPM",
+            "cwd": "${workspaceFolder}/karaoqueue-backend",
+            "runtimeExecutable": "npm",
+            "runtimeArgs": [
+                "run-script",
+                "debug"
+            ],
+            "port": 9229,
+            "skipFiles": [
+                "<node_internals>/**"
+            ],
+            "preLaunchTask": "npm: build - karaoqueue-backend"
+        }
+    ]
+}

backend/.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+    "python.pythonPath": "pyenv/bin/python"
+}

backend/.vscode/tasks.json

@@ -0,0 +1,59 @@
+{
+    // See https://go.microsoft.com/fwlink/?LinkId=733558
+    // for the documentation about the tasks.json format
+    "version": "2.0.0",
+    "tasks": [
+        {
+            "label": "Launch MongoDB",
+            "type": "shell",
+            "command": "docker-compose -f ${workspaceFolder}/docker/docker-compose.dev.yml up",
+            "isBackground": true,
+            "problemMatcher": [
+                {
+                    "pattern": [
+                        {
+                            "regexp": ".",
+                            "file": 1,
+                            "location": 2,
+                            "message": 3
+                        }
+                    ],
+                    "background": {
+                        "activeOnStart": true,
+                        "beginsPattern": ".",
+                        "endsPattern": "."
+                    }
+                }
+            ],
+            "presentation": {
+                "echo": true,
+                "reveal": "always",
+                "focus": false,
+                "panel": "shared",
+                "showReuseMessage": true,
+                "clear": true
+            },
+            "group": "build"
+        },
+        {
+            "label": "Stop MongoDB",
+            "type": "shell",
+            "command": "docker-compose -f ${workspaceFolder}/docker/docker-compose.dev.yml stop"
+        },
+        {
+            "label": "Reset MongoDB",
+            "type": "shell",
+            "command": "docker-compose -f ${workspaceFolder}/docker/docker-compose.dev.yml rm -sf",
+            "problemMatcher": []
+        },
+        {
+            "type": "npm",
+            "script": "build",
+            "path": "karaoqueue-backend/",
+            "group": "build",
+            "problemMatcher": [],
+            "label": "npm: build - karaoqueue-backend",
+            "detail": "tsc"
+        }
+    ]
+}

backend/Procfile

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

backend/app.py

@@ -1,278 +0,0 @@
-from flask import Flask, render_template, abort, request, redirect, send_from_directory, jsonify
-from flask.wrappers import Request, Response
-import helpers
-import database
-import data_adapters
-import os
-import json
-from flask_basicauth import BasicAuth
-from helpers import nocache
-app = Flask(__name__, static_url_path='/static')
-
-basic_auth = BasicAuth(app)
-accept_entries = True
-
-@app.route("/")
-def home():
-    if basic_auth.authenticate():
-        return render_template('main_admin.html', list=database.get_list(), auth=basic_auth.authenticate())
-    else:
-        return render_template('main.html', list=database.get_list(), auth=basic_auth.authenticate())
-
-
-@app.route("/favicon.ico")
-def favicon():
-    return send_from_directory(os.path.join(app.root_path, 'static'),
-                               'favicon.ico', mimetype='image/vnd.microsoft.icon')
-
-
-@app.route('/api/enqueue', methods=['POST'])
-@nocache
-def enqueue():
-    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)
-    name = request.json['name']
-    song_id = request.json['id']
-    if request.authorization:
-        database.add_entry(name, song_id, client_id)
-        return Response('{"status":"OK"}', mimetype='text/json')
-    else:
-        if helpers.get_accept_entries(app):
-            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)
-            name = request.json['name']
-            song_id = request.json['id']
-            if database.check_queue_length() < int(app.config['MAX_QUEUE']):
-                if database.check_entry_quota(client_id) < int(app.config['ENTRY_QUOTA']):
-                    database.add_entry(name, song_id, client_id)
-                    return Response('{"status":"OK"}', 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:
-                return Response('{"status":"Die Warteschlange enthält momentan ' + str(database.check_queue_length()) + ' Einträge und ist lang genug, bitte versuche es noch einmal wenn ein paar Songs gesungen wurden."}', mimetype='text/json', status=423)
-        else:
-            return Response('{"status":"Currently not accepting entries"}', mimetype='text/json', status=423)
-
-
-@app.route("/list")
-def songlist():
-    return render_template('songlist.html', list=database.get_song_list(), auth=basic_auth.authenticate())
-
-
-@app.route("/settings")
-@nocache
-@basic_auth.required
-def settings():
-    return render_template('settings.html', app=app, auth=basic_auth.authenticate(), themes=helpers.get_themes())
-
-
-@app.route("/settings", methods=['POST'])
-@nocache
-@basic_auth.required
-def settings_post():
-    entryquota = request.form.get("entryquota")
-    maxqueue = request.form.get("maxqueue")
-    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:  # type: ignore
-        app.config['MAX_QUEUE'] = int(maxqueue)  # type: ignore
-    else:
-        abort(400)
-    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")
-@nocache
-def queue_json():
-    list = data_adapters.dict_from_rows(database.get_list())
-    return Response(json.dumps(list, ensure_ascii=False).encode('utf-8'), mimetype='text/json')
-
-
-@app.route("/plays")
-@nocache
-@basic_auth.required
-def played_list():
-    return render_template('played_list.html', list=database.get_played_list(), auth=basic_auth.authenticate())
-
-
-@app.route("/api/songs")
-@nocache
-def songs():
-    list = database.get_song_list()
-    return Response(json.dumps(list, ensure_ascii=False).encode('utf-8'), mimetype='text/json')
-
-
-@app.route("/api/songs/update")
-@nocache
-@basic_auth.required
-def update_songs():
-    database.delete_all_entries()
-    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") # type: ignore
-@nocache
-def get_song_completions(input_string=""):
-    input_string = request.args.get('search', input_string)
-    if input_string != "":
-        print(input_string)
-        result = [list(x) for x in database.get_song_completions(input_string=input_string)]
-        return jsonify(result)
-
-    else:
-        return 400
-
-
-@app.route("/api/entries/delete/<entry_id>")
-@nocache
-@basic_auth.required
-def delete_entry(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", methods=['POST'])
-@nocache
-@basic_auth.required
-def delete_entries():
-    if not request.json:
-        print(request.data)
-        abort(400)
-        return
-    updates = database.delete_entries(request.json)
-    if updates >= 0:
-        return Response('{"status": "OK", "updates": '+str(updates)+'}', mimetype='text/json')
-    else:
-        return Response('{"status": "FAIL"}', mimetype='text/json', status=400)
-
-
-@app.route("/api/entries/mark_sung/<entry_id>")
-@nocache
-@basic_auth.required
-def mark_sung(entry_id):
-    if database.add_sung_song(entry_id):
-        return Response('{"status": "OK"}', mimetype='text/json')
-    else:
-        return Response('{"status": "FAIL"}', mimetype='text/json')
-
-@app.route("/api/entries/mark_transferred/<entry_id>")
-@nocache
-@basic_auth.required
-def mark_transferred(entry_id):
-    if database.toggle_transferred(entry_id):
-        return Response('{"status": "OK"}', mimetype='text/json')
-    else:
-        return Response('{"status": "FAIL"}', mimetype='text/json')
-
-
-@app.route("/api/entries/accept/<value>")
-@nocache
-@basic_auth.required
-def set_accept_entries(value):
-    if (value == '0' or value == '1'):
-        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)
-
-
-@app.route("/api/entries/accept")
-@nocache
-def get_accept_entries():
-    accept_entries = helpers.get_accept_entries(app)
-    return Response('{"status": "OK", "value": '+str(int(accept_entries))+'}', mimetype='text/json')
-
-
-@app.route("/api/played/clear")
-@nocache
-@basic_auth.required
-def clear_played_songs():
-    if database.clear_played_songs():
-        return Response('{"status": "OK"}', mimetype='text/json')
-    else:
-        return Response('{"status": "FAIL"}', mimetype='text/json')
-
-
-@app.route("/api/entries/delete_all")
-@nocache
-@basic_auth.required
-def delete_all_entries():
-    if database.delete_all_entries():
-        return Response('{"status": "OK"}', mimetype='text/json')
-    else:
-        return Response('{"status": "FAIL"}', mimetype='text/json')
-
-
-@app.route("/login")
-@basic_auth.required
-def admin():
-    return redirect("/", code=303)
-
-
-@app.before_first_request
-def activate_job():
-    helpers.load_dbconfig(app)
-    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()
-    database.create_config_table()
-    helpers.setup_config(app)
-
-
-
-@app.after_request
-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, no-cache, must-revalidate'
-    return response
-
-@app.context_processor
-def inject_version():
-    return dict(karaoqueue_version=app.config['VERSION'])
-
-
-if __name__ == "__main__":
-    app.run(host='127.0.0.1', port=8080, debug=True)

backend/app.yaml

@@ -1,19 +0,0 @@
-runtime: python39
-
-manual_scaling:
-  # Das ist alles bloß dumm schnell zusammengehackt...
-  instances: 1
-
-handlers:
-  # This configures Google App Engine to serve the files in the app's static
-  # directory.
-- url: /static
-  static_dir: static
-
-  # This handler routes all requests not caught above to your main app. It is
-  # required when static routes are defined, but can be omitted (along with
-  # the entire handlers section) when there are no static files defined.
-- url: /.*
-  script: auto
-  secure: always
-  redirect_http_response_code: 301

backend/data_adapters.py

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

backend/database.py

@@ -1,262 +0,0 @@
-# -*- coding: utf_8 -*-
-
-from email.mime import base
-from MySQLdb import Connection
-from sqlalchemy import create_engine, engine, text
-import pandas
-from io import StringIO
-from flask import current_app
-
-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):
-        print(current_app.config.get("DBCONNSTRING"))
-        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
-        )""")
-        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""")
-        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.upper()}%"
-        stmt = text(
-            "SELECT CONCAT(Artist, ' - ', Title) AS Song, Id FROM songs WHERE CONCAT(Artist, ' - ', Title) LIKE :prepared_string LIMIT 20;")
-        cur = conn.execute(
-            stmt, {"prepared_string": prepared_string})  # type: ignore
-        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);")
-        conn.execute(stmt, {"par_song_id": song_id, "par_name": name,
-                     "par_client_id": client_id})  # type: ignore
-        conn.commit()
-    return True
-
-
-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 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 as error:
-        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 as error:
-        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

backend/docker/Dockerfile

@@ -0,0 +1,11 @@
+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/docker/docker-compose.dev.yml

@@ -0,0 +1,14 @@
+version: '2'
+services:
+  mongo:
+    extends:
+        file: docker-compose.yml
+        service: mongo
+
+  mongo-express:
+    depends_on:
+        - mongo
+    image: mongo-express
+    restart: always
+    ports:
+      - "8081:8081"

backend/docker/docker-compose.yml

@@ -0,0 +1,12 @@
+version: '2'
+services:
+  mongo:
+    image: mongo
+    restart: always
+    ports:
+      - "27017:27017"
+
+  backend:
+    depends_on:
+      - mongo
+    build: .

backend/helpers.py

@@ -1,173 +0,0 @@
-import requests
-from bs4 import BeautifulSoup
-import json
-import os
-import uuid
-from flask import make_response, Flask
-from functools import wraps, update_wrapper
-from datetime import datetime
-import database
-
-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 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() == 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': 3,
-                          'maxqueue': 20,
-                          'entries_allowed': 1,
-                          'theme': 'default.css'}
-        for key, value in default_config.items():
-            database.set_config(key, value)
-        print("Created new config")
-    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']
-
-# 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 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/karaoqueue-backend/.example.env

@@ -0,0 +1,10 @@
+# Fixed login Username
+KQUEUE_USERNAME=admin
+# Fixed login Password
+KQUEUE_PASSWORD=pass
+# Port the app is listening on
+KQUEUE_PORT=3000
+# Secret used to sign JSON Web Tokens
+KQUEUE_JWTSECRET=THIS_IS_A_BAD_SECRET_PLEASE_CHANGE
+# Expiry time for the login jwt tokens in minutes
+KQUEUE_JWTEXPIRY=1440 # 24h

backend/karaoqueue-backend/.gitignore

@@ -0,0 +1,117 @@
+ 
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+*.lcov
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# Snowpack dependency directory (https://snowpack.dev/)
+web_modules/
+
+# TypeScript cache
+*.tsbuildinfo
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Microbundle cache
+.rpt2_cache/
+.rts2_cache_cjs/
+.rts2_cache_es/
+.rts2_cache_umd/
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+.env.test
+
+# parcel-bundler cache (https://parceljs.org/)
+.cache
+.parcel-cache
+
+# Next.js build output
+.next
+out
+
+# Nuxt.js build / generate output
+.nuxt
+dist
+
+# Gatsby files
+.cache/
+# Comment in the public line in if your project uses Gatsby and not Next.js
+# https://nextjs.org/blog/next-9-1#public-directory-support
+# public
+
+# vuepress build output
+.vuepress/dist
+
+# Serverless directories
+.serverless/
+
+# FuseBox cache
+.fusebox/
+
+# DynamoDB Local files
+.dynamodb/
+
+# TernJS port file
+.tern-port
+
+# Stores VSCode versions used for testing VSCode extensions
+.vscode-test
+
+# yarn v2
+.yarn/cache
+.yarn/unplugged
+.yarn/build-state.yml
+.yarn/install-state.gz
+.pnp.*

backend/karaoqueue-backend/package.json

@@ -0,0 +1,38 @@
+{
+  "name": "karaoqueue-backend",
+  "version": "0.0.1",
+  "description": "Backend for KaraoQueue",
+  "main": "index.js",
+  "scripts": {
+    "start": "node dist/index.js",
+    "debug": "node --nolazy dist/index.js",
+    "build": "tsc",
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "Phillip Kühne",
+  "license": "ISC",
+  "devDependencies": {
+    "@types/body-parser": "^1.19.0",
+    "@types/debug": "^4.1.5",
+    "@types/express": "^4.17.6",
+    "@types/multer": "^1.4.3",
+    "@types/node": "^14.0.5",
+    "tslint": "^6.1.2",
+    "typescript": "^3.9.3"
+  },
+  "dependencies": {
+    "@types/mongodb": "^3.5.18",
+    "body-parser": "^1.19.0",
+    "class-transformer": "^0.3.1",
+    "class-validator": "^0.12.2",
+    "cors": "^2.8.5",
+    "debug": "^4.1.1",
+    "dotenv": "^8.2.0",
+    "express": "^4.17.1",
+    "jsonwebtoken": "^8.5.1",
+    "mongodb": "^3.5.7",
+    "multer": "^1.4.2",
+    "reflect-metadata": "^0.1.13",
+    "routing-controllers": "^0.9.0-alpha.1"
+  }
+}

backend/karaoqueue-backend/src/containers/appState.container.ts

@@ -0,0 +1,14 @@
+import AppState from "../models/appState.model";
+import fs from "fs";
+
+const appState = new AppState();
+
+if (fs.existsSync("/tmp/.kqueue_eventlock")) {
+    appState.currentlyInEvent=true;
+} else {
+    appState.currentlyInEvent=false;
+}
+
+appState.registrationEnabled=false;
+
+export default appState;

backend/karaoqueue-backend/src/controllers/auth.controller.ts

@@ -0,0 +1,34 @@
+import { Request, Response } from "express";
+import { Post, BodyParam, Body, Res, Req, JsonController, UseBefore, Get, CookieParam } from "routing-controllers";
+import User from "../interfaces/user.interface";
+import { JwtMiddleware } from "../middleware/jwt.middleware";
+
+@JsonController("/auth")
+export class AuthenticationController {
+
+    @Post("/login")
+    doLogin(@Body() user: User, @Res() res: Response) {
+        if (user.username === process.env.KQUEUE_USERNAME) {
+            if (user.password === process.env.KQUEUE_PASSWORD) {
+                const jwtMiddleware = new JwtMiddleware();
+                const tokenData = jwtMiddleware.createToken(user);
+                res.cookie("jwt",tokenData,);
+                res.status(200);
+                res.send("Welcome.")
+                return res;
+            } else {
+                res.status(401).send("Wrong user or password.");
+                return res;
+            }
+        } else {
+            res.status(401).send("Wrong user or password.");
+            return res;
+        }
+    }
+
+    /* TODO Logout with JWT? */
+    @Get("/logout")
+    doLogout() {
+        return "//TODO logout";
+    }
+}

backend/karaoqueue-backend/src/controllers/queue.controller.ts

@@ -0,0 +1,76 @@
+import { Request, Response } from "express";
+import { Controller, Get, Res, Post, Delete, Patch, Req, Authorized, CurrentUser } from "routing-controllers";
+import appState from "../containers/appState.container";
+import DataStoredInToken from "../interfaces/dataStoredInToken.interface";
+
+
+@Controller("/queue")
+export class QueueController {
+
+    /*
+     * Fetch entry Queue content
+     */
+    @Get()
+    getQueue(@Req() req: Request, @Res() res: Response) {
+        res.setHeader('Content-Type', 'application/json');
+        res.send(JSON.stringify({ placeholder: "//TODO fetch" }));
+        return res;
+    }
+
+    /*
+     * Add entry to Queue
+     */
+    @Post()
+    addEntry(@Req() req: Request, @Res() res: Response) {
+        res.setHeader('Content-Type', 'application/json');
+        if (appState.registrationEnabled) {
+            res.send(JSON.stringify({ placeholder: "//TODO add" }));
+        } else {
+            res.status(403)
+            res.send("Entry submission is currently not allowed.")
+        }
+        return res;
+    }
+
+    /*
+     *
+     */
+    @Delete()
+    @Authorized()
+    clearQueue(@Req() req: Request, @Res() res: Response) {
+        return "//TODO clear";
+    }
+
+    /*
+     *
+     */
+    @Get("/:entry:id")
+    getEntry(@Req() req: Request, @Res() res: Response) {
+        res.setHeader('Content-Type', 'application/json');
+        res.send(JSON.stringify({ placeholder: "//TODO get" }));
+        return res;
+    }
+
+    /*
+     *
+     */
+    @Patch("/:entry_id")
+    editEntry(@Req() req: Request, @Res() res: Response, @CurrentUser() user?: DataStoredInToken) {
+        if (user) {
+            return "You're "+user._id;
+        } else {
+            /*TODO: Require song-specific auth to modify queue entry */
+            return "You are not logged in."
+        }
+    }
+
+    @Delete("/:entry_id")
+    deleteEntry(@Req() req: Request, @Res() res: Response, @CurrentUser() user?: DataStoredInToken) {
+        if (user) {
+            return "You're " + user._id;
+        } else {
+            /*TODO: Require song-specific auth to delete queue entry */
+            return "You are not logged in."
+        }
+    }
+}

backend/karaoqueue-backend/src/controllers/rpc.controller.ts

@@ -0,0 +1,67 @@
+import { Response } from "express";
+import { Authorized, Controller, Get, Param, QueryParam, Res } from "routing-controllers";
+import appState from "../containers/appState.container";
+import fs from "fs";
+
+@Controller("/rpc")
+@Authorized()
+export class RpcController {
+    @Get("/start_event")
+    doStartEvent() {
+        /* TODO: Wipe state (queue and song playbacks) when starting new event. Maybe also refresh Song database automatically? */
+        appState.currentlyInEvent = true;
+        fs.openSync("/tmp/.kqueue_eventlock", 'w')
+        return 200;
+    }
+
+    @Get("/end_event")
+    doEndEvent() {
+        appState.currentlyInEvent = false;
+        appState.registrationEnabled = false;
+        fs.unlinkSync("/tmp/.kqueue_eventlock");
+        return 200;
+    }
+
+    @Get("/enable_registration")
+    doEnableRegistration(@Res() res: Response) {
+        if (appState.currentlyInEvent) {
+            appState.registrationEnabled = true;
+            return 200;
+        } else {
+            res.status(403).send("No event currently active")
+            return res;
+        }
+    }
+
+    @Get("/disable_registration")
+    doDisableRegistration(@Res() res: Response) {
+        if (appState.currentlyInEvent) {
+            appState.registrationEnabled = false;
+            return 200;
+        } else {
+            res.status(403).send("No event currently active")
+            return res;
+        }
+
+    }
+
+    @Get("/get_state")
+    doGetState() {
+        return appState;
+    }
+
+    @Get("/get_playstats")
+    doGetPlaystats() {
+        return "//TODO get_playstats"
+    }
+
+    @Get("/download_playstats")
+    doDownloadPlaystats() {
+        return "//TODO download_playstats"
+    }
+
+    @Get("/entry_fulfilled")
+    doEntryFulfilled(@QueryParam("entry_id") entryId: string) {
+        return `//TODO entry_fulfilled. entry_id: ${entryId}`
+    }
+}

backend/karaoqueue-backend/src/controllers/songs.controller.ts

@@ -0,0 +1,16 @@
+import { Get, QueryParam, JsonController, Put, Authorized } from "routing-controllers";
+
+
+@JsonController("/songs")
+export class SongController {
+    @Get()
+    searchSongs(@QueryParam("query") query: string, @QueryParam("limit") limit: number) {
+        return {result: "//TODO search"}
+    }
+
+    @Put()
+    @Authorized()
+    updateSongs() {
+        return "//TODO update"
+    }
+}

backend/karaoqueue-backend/src/controllers/statistics.controller.ts

@@ -0,0 +1,9 @@
+import { JsonController, Get } from "routing-controllers";
+
+@JsonController()
+export class StatisticsController {
+    @Get()
+    getStatistics() {
+        return "//TODO statistics"
+    }
+}

backend/karaoqueue-backend/src/exceptions/HttpException.ts

@@ -0,0 +1,11 @@
+class HttpException extends Error {
+    public status: number;
+    public message: string;
+    constructor(status: number, message: string) {
+        super(message);
+        this.status = status;
+        this.message = message;
+    }
+}
+
+export default HttpException;

backend/karaoqueue-backend/src/index.ts

@@ -0,0 +1,74 @@
+import "reflect-metadata";
+import { Request, Response, Application } from "express";
+import { Action, createExpressServer } from "routing-controllers";
+import { QueueController } from "./controllers/queue.controller";
+import { SongController } from "./controllers/songs.controller";
+import { StatisticsController } from "./controllers/statistics.controller";
+import { AuthenticationController } from "./controllers/auth.controller";
+import { RpcController } from "./controllers/rpc.controller";
+import jwt from "jsonwebtoken";
+import appState from "./containers/appState.container";
+
+
+import * as dotenv from "dotenv";
+import DataStoredInToken from "./interfaces/dataStoredInToken.interface";
+dotenv.config();
+
+const app: Application = createExpressServer({
+    routePrefix: "/api",
+    cors: true,
+    /* HACK. This definitely needs to be cleaned up... */
+    authorizationChecker: async (action: Action) => {
+        const req: Request = action.request;
+        const secret = process.env.KQUEUE_JWTSECRET;
+        // tslint:disable-next-line: no-string-literal
+        const token = parseCookies(req.headers.cookie)['jwt'];
+        if (token) {
+            try {
+                const verificationResponse = jwt.verify(token, secret);
+                if (verificationResponse) {
+                    return true;
+                } else {
+                    return false;
+                }
+            } catch (error) {
+                return false;
+            }
+        } else {
+            return false;
+        }
+    },
+    /* HACK. This definitely needs to be cleaned up... */
+    currentUserChecker: async (action: Action) => {
+        const req: Request = action.request;
+        const secret = process.env.KQUEUE_JWTSECRET;
+        // tslint:disable-next-line: no-string-literal
+        const token = parseCookies(req.headers.cookie)['jwt'];
+        if (token) {
+            try {
+                const verificationResponse = jwt.verify(token, secret);
+                if (verificationResponse) {
+                    return verificationResponse as DataStoredInToken;
+                } else {
+                    return false;
+                }
+            } catch (error) {
+                return false;
+            }
+        } else {
+            return false;
+        }
+    },
+    controllers: [QueueController, SongController, StatisticsController, AuthenticationController, RpcController]
+});
+app.listen(process.env.KQUEUE_PORT);
+
+/* HACK. This definitely needs to be cleaned up... */
+function parseCookies(str) {
+    const rx = /([^;=\s]*)=([^;]*)/g;
+    const obj = {};
+    // tslint:disable-next-line: no-conditional-assignment
+    for (let m; m = rx.exec(str);)
+        obj[m[1]] = decodeURIComponent(m[2]);
+    return obj;
+}

backend/karaoqueue-backend/src/interfaces/dataStoredInToken.interface.ts

@@ -0,0 +1,5 @@
+interface DataStoredInToken {
+    _id: string;
+}
+
+export default DataStoredInToken;

backend/karaoqueue-backend/src/interfaces/user.interface.ts

@@ -0,0 +1,6 @@
+interface User {
+    username: string;
+    password: string;
+}
+
+export default User;

backend/karaoqueue-backend/src/middleware/jwt.middleware.ts

@@ -0,0 +1,15 @@
+import DataStoredInToken from "../interfaces/dataStoredInToken.interface";
+import User from "../interfaces/user.interface";
+import * as jwt from 'jsonwebtoken';
+
+export class JwtMiddleware {
+    public createToken(user: User): string {
+        /* expiresIn is in seconds. We take the env value which is in minutes and multiply it by 60.*/
+        const expiresIn = parseInt(process.env.KQUEUE_JWTEXPIRY,10) * 60;
+        const secret = process.env.KQUEUE_JWTSECRET;
+        const dataStoredInToken: DataStoredInToken = {
+            _id: user.username,
+        };
+        return jwt.sign(dataStoredInToken, secret, { expiresIn });
+    }
+}

backend/karaoqueue-backend/src/models/appState.model.ts

@@ -0,0 +1,6 @@
+class AppState {
+    registrationEnabled: boolean;
+    currentlyInEvent: boolean;
+}
+
+export default AppState;

backend/karaoqueue-backend/tsconfig.json

@@ -0,0 +1,17 @@
+{
+    "compilerOptions": {
+        "target": "es2017",
+        "module": "commonjs",
+        "outDir": "dist",
+        "sourceMap": true,
+        "esModuleInterop": true,
+        "emitDecoratorMetadata": true,
+        "experimentalDecorators": true,
+    },
+    "include": [
+        "src/**/*.ts"
+    ],
+    "exclude": [
+        "node_modules"
+    ]
+}

backend/karaoqueue-backend/tslint.json

@@ -0,0 +1,13 @@
+{
+    "defaultSeverity": "error",
+    "extends": [
+        "tslint:recommended"
+    ],
+    "jsRules": {},
+    "rules": {
+        "trailing-comma": [
+            false
+        ]
+    },
+    "rulesDirectory": []
+}

backend/main.py

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

backend/requirements.txt

@@ -1,30 +0,0 @@
-autopep8
-beautifulsoup4
-bs4
-certifi
-charset-normalizer
-click
-Flask
-Flask-BasicAuth
-greenlet
-gunicorn
-idna
-itsdangerous
-Jinja2
-mariadb
-MarkupSafe
-mysql
-mysqlclient
-numpy
-pandas
-pycodestyle
-PyMySQL
-python-dateutil
-pytz
-requests
-six
-soupsieve
-SQLAlchemy
-toml
-urllib3
-Werkzeug

backend/static/css/style.css

@@ -1,190 +0,0 @@
-: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;
-}
-
-
-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)
-}
-
-.close {
-    color: var(--text-color)
-}
-
-pre {
-    color: var(--text-color-var)
-}
-
-@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

@@ -1,91 +0,0 @@
-.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/static/manifest.webmanifest

@@ -1,17 +0,0 @@
-{
-    "name": "KaraoQueue",
-    "short_name": "KaraoQueue",
-    "start_url": "/",
-    "url": "https://karaoqueue-323511.appspot.com/",
-    "display": "standalone",
-    "background_color": "#343a40",
-    "description": "Eine Karaokewarteliste.",
-    "icons": [{
-        "src": "images/touch/homescreen512.png",
-        "sizes": "512x512",
-        "type": "image/png"
-    }],
-    "related_applications": [{
-        "platform": "Web"
-    }]
-}

backend/templates/base.html

@@ -1,136 +0,0 @@
-<!doctype html>
-<html lang="en">
-
-<head>
-    <meta charset="utf-8">
-    <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@1.21.2/dist/bootstrap-table.min.css">
-
-    <!-- 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">
-
-    <!-- Custom styles for this template -->
-    <link href="static/css/style.css" rel="stylesheet">
-
-    <!-- Fontawesome Icons -->
-    <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>
-
-    <nav class="navbar navbar-expand-md navbar-dark bg-dark fixed-top">
-        <a class="navbar-brand" href="/">KaraoQueue</a>
-        <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarsExampleDefault"
-            aria-controls="navbarsExampleDefault" aria-expanded="false" aria-label="Toggle navigation">
-            <span class="navbar-toggler-icon"></span>
-        </button>
-
-        <div class="collapse navbar-collapse" id="navbarsExampleDefault">
-            <ul class="navbar-nav mr-auto">
-                <li class="nav-item">
-                    <a class="nav-link" href="/">Warteliste</a>
-                </li>
-                <li class="nav-item">
-                    <a class="nav-link" href="/list">Songsuche</a>
-                </li>
-                {% if auth %}
-                <li class="nav-item">
-                    <a class="nav-link" href="/plays">Abspielliste</a>
-                </li>
-                <li class="nav-item">
-                    <a class="nav-link" href="/settings">Einstellungen</a>
-                </li>
-                {% endif %}
-            </ul>
-            <!--<form class="form-inline my-2 my-lg-0">
-            <input class="form-control mr-sm-2" type="text" placeholder="Search" aria-label="Search">
-            <button class="btn btn-outline-success my-2 my-sm-0" type="submit">Search</button>
-            </form>-->
-        </div>
-    </nav>
-    <div class="site">
-        <main role="main" class="container">
-            {% block content %}{% endblock %}
-        </main><!-- /.container -->
-    </div>
-    <!-- Footer -->
-    <footer class="footer">
-        <div class="container text-center py-3">
-            {% 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_version}} -&nbsp;2019-23 - Phillip
-                Kühne</span>
-        </div>
-    </footer>
-    <!-- Footer -->
-    <!-- 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/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://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@1.21.2/dist/bootstrap-table.min.js"></script>
-    <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>
-    {% block extrajs %}{% endblock %}
-    <script>
-        $(document).ready(function () {
-            loadOrGenerateClientId()
-            // get current URL path and assign 'active' class
-            var pathname = window.location.pathname;
-            $('.navbar-nav > li > a[href="' + pathname + '"]').parent().addClass('active');
-            $('[data-toggle="tooltip"]').tooltip()
-        })
-
-        function create_UUID() {
-            var dt = new Date().getTime();
-            var uuid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
-                var r = (dt + Math.random() * 16) % 16 | 0;
-                dt = Math.floor(dt / 16);
-                return (c == 'x' ? r : (r & 0x3 | 0x8)).toString(16);
-            });
-            return uuid;
-        }
-
-        function loadOrGenerateClientId() {
-            if (!localStorage.getItem("clientId")) {
-                localStorage.setItem("clientId", create_UUID())
-            }
-        }
-    </script>
-</body>
-
-</html>

backend/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/templates/main_admin.html

@@ -1,205 +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 () {
-        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 () {
-                        $("#entrytable").bootstrapTable('refresh')
-                    }
-                })
-            }
-        });
-    }
-    function TableActions(value, row, index) {
-        console.log("Value: " + value + ", Row: " + row + ", Index: " + index)
-        console.log(row)
-        let outerHTML = ""
-        if (row.Transferred == 1) {
-            outerHTML = "<button type=\"button\" class=\"btn btn-default\" data-toggle=\"tooltip\" data-placement=\"top\" title=\"Markierung zurückziehen\" onclick=\"event.stopPropagation();$(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('" + row.Name + "'," + 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('" + row.Name + "'," + row.entry_ID + ")\"><i class=\"fas fa-trash\"></i></button>";
-        }
-        return outerHTML;
-    }
-
-    function getIdSelections() {
-        return $.map($("#entrytable").bootstrapTable('getSelections'), function (row) {
-            return row.entry_ID
-        })
-    }
-</script>
-{% endblock %}

backend/templates/played_list.html

@@ -1,102 +0,0 @@
-{% extends 'base.html' %}
-{% block title %}Abspielliste{% endblock %}
-{% block content %}
-<div id="toolbar">
-    <button type="button" class="topbutton btn btn-danger" onclick="confirmDeleteAllEntries()"><i
-            class="fas fa-trash mr-2"></i>Abspielliste löschen</button>
-    <button type="button" class="topbutton btn btn-primary" onclick="exportPDF()"><i
-            class="fas fa-file-pdf mr-2"></i>Als PDF herunterladen</button>
-    <button type="button" class="topbutton btn btn-secondary" onclick="printPDF()"><i
-            class="fas fa-print mr-2"></i>Drucken</button>
-</div>
-<table class="table"
-        id="table"
-        data-toggle="table"
-        data-search="true"
-        data-show-columns="true"
-        data-toolbar="#toolbar"
-        data-pagination="true"
-        data-classes="table table-bordered table-striped"
-        data-show-extended-pagination="true">
-    <thead>
-        <tr>
-            <th scope="col">Song</th>
-            <th scope="col">Wiedergaben</th>
-        </tr>
-    </thead>
-    {% for entry in list: %}
-    <tr>
-        <td>
-            {{ entry[0] }}
-        </td>
-        <td>
-            {{ entry[1] }}
-        </td>
-    </tr>
-    {% endfor %}
-</table>
-</table>
-{% endblock %}
-{% block extrajs %}
-<script src="https://cdnjs.cloudflare.com/ajax/libs/jspdf/1.5.3/jspdf.min.js"></script>
-<script src="https://unpkg.com/jspdf-autotable@3.0.10/dist/jspdf.plugin.autotable.js"></script>
-<script>
-    function confirmDeleteAllEntries() {
-        bootbox.confirm({
-            message: "Wirklich Abspielliste löschen?<br>Stelle sicher, dass du sie vorher zwecks Abrechnung gedruckt und/oder heruntergeladen hast!", 
-            buttons: {
-                confirm: {
-                    label: 'Ja',
-                    className: 'btn btn-danger'
-                },
-                cancel: {
-                    label: 'Nein',
-                    className: 'btn btn-secondary'
-                }
-            },
-            callback: function(result){
-                if (result) {
-                    deleteAllEntries()
-                }
-            }
-        })
-    }
-    function deleteAllEntries() {
-        $.ajax({
-            type: 'GET',
-            url: '/api/played/clear',
-            contentType: "application/json",
-            dataType: 'json',
-            async: false
-        });
-        location.reload();
-    }
-
-    function exportPDF() {
-        var doc = new jsPDF();
-        doc.autoTable({
-            head: [["Song","Wiedergaben"]],
-            body: createTableArray(),
-            theme: 'grid'
-        });
-        doc.save('Abspielliste.pdf');
-    }
-
-    function printPDF() {
-        var doc = new jsPDF();
-        doc.autoTable({
-            head: [["Song","Wiedergaben"]],
-            body: createTableArray(),
-            theme: 'grid'
-        });
-        doc.autoPrint();
-        doc.output('dataurlnewwindow');
-    }
-
-    function createTableArray() {
-        var data = $("#table").bootstrapTable('getData')
-        out = data.map(x => [x["0"],x["1"]])
-        return out;
-    }
-</script>
-{% endblock %}

backend/templates/settings.html

@@ -1,41 +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>
-    <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

@@ -1,136 +0,0 @@
-{% extends 'base.html' %}
-{% block title %}Songsuche{% endblock %}
-{% block content %}
-<input class="form-control" id="filter" type="text" placeholder="Suchen...">
-<table class="table">
-    <tbody id="songtable">
-    </tbody>
-</table>
-<div class="modal fade" id="enqueueModal" tabindex="-1" role="dialog" aria-labelledby="exampleModalLabel"
-    aria-hidden="true">
-    <div class="modal-dialog" role="document">
-        <div class="modal-content">
-            <div class="modal-header">
-                <h5 class="modal-title" id="exampleModalLabel">Auf Liste setzen</h5>
-                <button type="button" class="close" data-dismiss="modal" aria-label="Close">
-                    <span aria-hidden="true">&times;</span>
-                </button>
-            </div>
-            <div class="form-group">
-                <form id="nameForm">
-                    <div class="modal-body">
-                        <label for="singerNameInput">Sängername</label>
-                        <input type="text" class="form-control" id="singerNameInput" placeholder="Max Mustermann"
-                            required>
-                        <input id="selectedId" name="selectedId" type="hidden" value="">
-                    </div>
-                    <div class="modal-footer">
-                        <button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
-                        <button type="submit" class="btn btn-primary" id="submitSongButton">Anmelden</button>
-                    </div>
-                </form>
-            </div>
-        </div>
-    </div>
-</div>
-{% endblock %}
-{% block extrajs %}
-<script>
-    $(document).ready(function () {
-        $("#filter").focus();
-        $("#filter").keyup(function () {
-            var value = $(this).val().toLowerCase();
-            //alert(value);
-            if (value.length >= 1) {
-                $.getJSON("/api/songs/compl", { search: value }, function (data) {
-                    var items = [];
-                    $.each(data, function (key, val) {
-                        items.push("<tr><td>" + val[0] + `</td>
-                            <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
-                                        class="fas fa-plus"></i></button></td>
-                        </tr>`)
-                    });
-
-                    $("#songtable").html("")
-                    $(items.join("")).appendTo("#songtable");
-                    entriesAccepted()
-                });
-            } else {
-                $("#songtable").html("")
-            }
-        });
-
-        $("#nameForm").submit(function (e) {
-            e.preventDefault();
-            submitModal();
-        });
-    });
-
-
-    function enqueue(client_id, id, name, success_callback, blocked_callback) {
-        var data = {
-            "name": name,
-            "id": id,
-            "client_id": client_id
-        }
-        $.ajax({
-            type: 'POST',
-            url: '/api/enqueue',
-            data: JSON.stringify(data), // or JSON.stringify ({name: 'jonas'}),
-            success: success_callback,
-            statusCode: {
-                423: blocked_callback
-            },
-            contentType: "application/json",
-            dataType: 'json'
-        });
-    }
-
-    function setSelectedId(id) {
-        $("#selectedId").attr("value", id);
-    }
-
-    function submitModal() {
-        var name = $("#singerNameInput").val();
-        var id = $("#selectedId").attr("value");
-        enqueue(localStorage.getItem("clientId"),id, name, function () {
-            $("#enqueueModal").modal('hide');
-            window.location.href = '/#end';
-        }, function (response) {
-            bootbox.alert({
-                message: "Deine Eintragung konnte leider nicht vorgenommen werden.\nGrund: "+response.responseJSON.status,
-            });
-            entriesAccepted();
-            $("#enqueueModal").modal('hide');
-
-        });
-
-
-    }
-
-    {% if not auth %}
-    function entriesAccepted() {
-        $.getJSON("/api/entries/accept", (data, out) => {
-            if (data["value"] == 0) {
-                $(".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.")
-                $('[data-toggle="tooltip"]').tooltip()
-            } else {
-                $(".enqueueButton").prop("disabled", false)
-            }
-
-        })
-    }
-    {% else %}
-    function entriesAccepted() {
-        $(".enqueueButton").prop("disabled", false)
-    }
-    {% endif %}
-
-</script>
-{% endblock %}

docker-compose.prod.yml

@@ -1,23 +0,0 @@
-version: "3.9"
-
-secrets:
-  secrets:
-    file: ./secrets.yml
-
-services:
-  karaoqueue:
-    image: "ghcr.io/phoenixtwofive/karaoqueue:v2023.03"
-    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

@@ -1,15 +0,0 @@
-# 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 +1,392 @@
+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:
+  /queue:
+    get:
+      summary: 'Fetch entry Queue content'
+      description: 'Fetch entry Queue'
+      parameters:
+        - name: index
+          in: query
+          description: Position from which on to return results
+          required: false
+          schema: 
+            type: integer
+        - name: limit
+          in: query
+          description: How many items to return at one time (max 100, default 20)
+          required: false
+          schema:
+            type: integer
+      responses:
+        '200':
+          description: OK
+          content:
+            application/json:
+              schema:
+                type: array
+                items:
+                  $ref: '#/components/schemas/QueueEntry'
+        '400':
+          description: Invalid request. Check your parameters.
+        '404':
+          description: No Entries found in specified range.
+        '5XX':
+          description: Unexpected error.
+    post:
+      description: 'Add entry to Queue'
+      summary: 'Add entry to Queue'
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              type: object
+              properties:
+                singer_name:
+                  type: string
+                song_id:
+                  type: integer
+      responses:
+        '200':
+          description: OK
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  entry_id:
+                    type: string
+                    format: bson.ObjectID
+                    pattern: '/^[a-f\d]{24}$/i'
+                  entry_auth:
+                    type: string
+        '400':
+          description: Malformed request.
+        '405':
+          description: Currently not accepting entries.
+    delete:
+      summary: 'Clear queue'
+      security:
+        - cookieAuth: []
+      responses:
+        '200':
+          description: OK. Successfully cleared Queue
+        '401':
+          description: Not Authorized
+      
+      description: clear queue
+  /queue/{entry_id}:
+    get:
+      summary: GET single queue entry
+      parameters:
+        - in: path
+          name: entry_id
+          schema:
+            type: integer
+          required: true
+          description: ID of the Entry to get
+      responses:
+        '200':
+          description: OK
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/QueueEntry'
+    patch:
+      summary: Change entry
+      security:
+        - cookieAuth: []      
+      parameters:
+        - in: path
+          name: entry_id
+          schema:
+            type: string
+            format: bson.ObjectID
+            pattern: '/^[a-f\d]{24}$/i'
+          required: true
+          description: >
+            ID of the entry to modify. One of the following is needed:
+              - Proper Bearer-Token authorization
+              - The entry_auth string corresponding to the entry
+      requestBody:
+        required: false
+        content:
+          application/json:
+            schema: 
+              type: object
+              required:
+                - entry_auth
+              properties:
+                singer_name:
+                  type: string
+                song_id:
+                  type: integer
+                entry_auth:
+                  type: string
+      responses:
+        '200':
+          description: OK
+        '404':
+          description: Entry not found
+        '405':
+          description: Method not allowed. Check your entry_auth or authorization.
+    delete:
+      summary: 'Delete entry'
+      security:
+        - cookieAuth: []
+      parameters:
+        - in: path
+          name: entry_id
+          schema:
+            type: string
+            format: bson.ObjectID
+            pattern: '/^[a-f\d]{24}$/i'
+          required: true
+          description: >
+            ID of the entry to modify.  One of the following is needed:
+              - Proper Bearer-Token authorization
+              - The entry_auth string corresponding to the entry
+      requestBody:
+        required: false
+        content:
+          application/json:
+            schema:
+              type: object
+              required:
+                - entry_auth
+              properties:
+                entry_auth:
+                  type: string
+      responses:
+        '200':
+          description: OK
+        '404':
+          description: Entry not found
+        '405':
+          description: Method not allowed. Check your entry_auth or authorization.
+
+
+  /songs:
+    get:
+      summary: Search in Songs
+      parameters:
+        - in: query
+          name: query
+          schema:
+            type: string
+          required: true
+        - name: limit
+          in: query
+          description: How many items to return at one time (max 100, default 20)
+          required: false
+          schema:
+            type: integer
+      responses:
+        '200':
+          description: OK. An array of Songs according to the Query string.
+          content:
+            application/json:
+              schema:
+                type: array
+                items:
+                  $ref: '#/components/schemas/SongEntry'
+        '400':
+          description: Malformed Request
+    put:
+      summary: Update Song Database
+      description: >
+        Trigger an update of the database using the source CSV defined
+        in the config.
+      security:
+        - cookieAuth: []
+      responses:
+        '200': 
+          description: OK. Songs have been updated
+        '401':
+          description: Authorization required. Check your auth.
+  /statistics:
+    get:
+      summary: Statistics about the Database
+      responses:
+        '200':
+          description: Statistics as JSON
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  num_songs:
+                    type: integer
+                  num_entries:
+                    type: integer
+
+  /auth/login:
+    post:
+      summary: Logs in and returns the authentication  cookie
+      requestBody:
+        required: true
+        description: A JSON object containing the login and password.
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/LoginRequest'
+      security: []    # no authentication
+      responses:
+        '200':
+          description: >
+            Successfully authenticated.
+            The session ID is returned in a cookie named `jwt`. You need to include this cookie in subsequent requests.
+          headers: 
+            Set-Cookie:
+              schema: 
+                type: string
+                example: jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJfaWQiOiJhZG1pbiIsImlhdCI6MTYwMTY1MDYwNSwiZXhwIjoxNjAxNjU0MjA1fQ.uGvOlBAZdbPT8U9s7jEt5PUWyxLrpgaf02EoPVC_Zlsd; Path=/; HttpOnly
+  /auth/logout:
+    get:
+      summary: Logs the user out and invalidates the session on the server
+      security:
+        - cookieAuth: []
+      responses:
+        '200':
+          description: OK.
+        '401':
+          description: Authorization required.
+
+  /rpc/end_event:
+    get:
+      summary: End the current event
+      description: Locks entries and does not allow reopening without reset
+      security:
+        - cookieAuth: []
+      responses:
+        '200':
+          description: OK.
+        
+  /rpc/start_event:
+    get:
+      summary: Start new event. Clears entries and stats.
+      description: Sets up a clean state.
+      security:
+        - cookieAuth: []
+      responses:
+        '200':
+          description: OK.
+  
+  /rpc/enable_registration:
+    get:
+      summary: Enables registration in the queue
+      description: Makes it possible for guests to register in the queue.
+      security:
+        - cookieAuth: []
+      responses:
+        '200':
+          description: OK.
+      
+    
+  /rpc/disable_registration:
+    get:
+      summary: Disables registration in the queue
+      description: Makes it impossible for guests to register in the queue.
+      security:
+        - cookieAuth: []
+      responses:
+        '200':
+          description: OK.
+
+  /rpc/get_playstats:
+    get:
+      summary: Get stats of played songs in the current event.
+      description: Returns the stats for the current evening as JSON
+      security:
+        - cookieAuth: []
+      responses:
+        '200':
+          description: OK.
+
+  /rpc/download_playstats:
+    get:
+      summary: Get stats of played songs in the current event for download.
+      description: Returns the stats for the current evening as PDF (for example for GEMA)
+      security:
+        - cookieAuth: []
+      responses:
+        '200':
+          description: OK.
+
+  /rpc/entry_fulfilled:
+    get:
+      summary: Mark an entry as fulfilled.
+      description:  Mark an entry as fulfilled. This adds it to the statistics.
+      security:
+        - cookieAuth: []
+      responses:
+        '200':
+          description: OK.
+      parameters:
+        - in: query
+          name: entry_id
+          schema:
+            type: string
+          description: The id of the entry to mark as done.
+
+
+
+components:
+  securitySchemes:
+    cookieAuth:         # arbitrary name for the security scheme; will be used in the "security" key later
+      type: apiKey
+      in: cookie
+      name: jwt  # cookie name
+  schemas:
+    QueueEntry:
+      type: object
+      properties:
+        _id:
+          type: string
+          format: bson.ObjectID
+          pattern: '/^[a-f\d]{24}$/i'
+        singer_name:
+          type: string
+        song_id:
+          type: integer
+    SongEntry:
+      type: object
+      properties:
+        id:
+          type: integer
+        title:
+          type: string
+        artist:
+          type: string
+        year:
+          type: integer
+        duet:
+          type: boolean
+        explicit:
+          type: boolean
+        styles:
+          type: array
+          items:
+            type: string
+        languages:
+          type: array
+          items:
+            type: string
+    LoginRequest:
+      type: object
+      properties:
+        username:
+          type: string
+        password:
+          type: string
+          format: password
+        

frontend/ng-karaoqueue/.editorconfig

@@ -0,0 +1,13 @@
+# Editor configuration, see https://editorconfig.org
+root = true
+
+[*]
+charset = utf-8
+indent_style = space
+indent_size = 2
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.md]
+max_line_length = off
+trim_trailing_whitespace = false

frontend/ng-karaoqueue/.gitignore

@@ -0,0 +1,46 @@
+# See http://help.github.com/ignore-files/ for more about ignoring files.
+
+# compiled output
+/dist
+/tmp
+/out-tsc
+# Only exists if Bazel was run
+/bazel-out
+
+# dependencies
+/node_modules
+
+# profiling files
+chrome-profiler-events*.json
+speed-measure-plugin*.json
+
+# IDEs and editors
+/.idea
+.project
+.classpath
+.c9/
+*.launch
+.settings/
+*.sublime-workspace
+
+# IDE - VSCode
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+.history/*
+
+# misc
+/.sass-cache
+/connect.lock
+/coverage
+/libpeerconnection.log
+npm-debug.log
+yarn-error.log
+testem.log
+/typings
+
+# System Files
+.DS_Store
+Thumbs.db

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/README.md

@@ -0,0 +1,27 @@
+# NgKaraoqueue
+
+This project was generated with [Angular CLI](https://github.com/angular/angular-cli) version 8.3.20.
+
+## Development server
+
+Run `ng serve` for a dev server. Navigate to `http://localhost:4200/`. The app will automatically reload if you change any of the source files.
+
+## Code scaffolding
+
+Run `ng generate component component-name` to generate a new component. You can also use `ng generate directive|pipe|service|class|guard|interface|enum|module`.
+
+## Build
+
+Run `ng build` to build the project. The build artifacts will be stored in the `dist/` directory. Use the `--prod` flag for a production build.
+
+## Running unit tests
+
+Run `ng test` to execute the unit tests via [Karma](https://karma-runner.github.io).
+
+## Running end-to-end tests
+
+Run `ng e2e` to execute the end-to-end tests via [Protractor](http://www.protractortest.org/).
+
+## Further help
+
+To get more help on the Angular CLI use `ng help` or go check out the [Angular CLI README](https://github.com/angular/angular-cli/blob/master/README.md).

frontend/ng-karaoqueue/angular.json

@@ -0,0 +1,143 @@
+{
+  "$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": {
+            "outputPath": "dist/ng-karaoqueue",
+            "index": "src/index.html",
+            "main": "src/main.ts",
+            "polyfills": "src/polyfills.ts",
+            "tsConfig": "tsconfig.app.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": []
+          },
+          "configurations": {
+            "production": {
+              "fileReplacements": [
+                {
+                  "replace": "src/environments/environment.ts",
+                  "with": "src/environments/environment.prod.ts"
+                }
+              ],
+              "optimization": true,
+              "outputHashing": "all",
+              "sourceMap": false,
+              "extractCss": true,
+              "namedChunks": false,
+              "aot": true,
+              "extractLicenses": true,
+              "vendorChunk": false,
+              "buildOptimizer": true,
+              "budgets": [
+                {
+                  "type": "initial",
+                  "maximumWarning": "2mb",
+                  "maximumError": "5mb"
+                },
+                {
+                  "type": "anyComponentStyle",
+                  "maximumWarning": "6kb",
+                  "maximumError": "10kb"
+                }
+              ]
+            }
+          }
+        },
+        "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": []
+          }
+        },
+        "lint": {
+          "builder": "@angular-devkit/build-angular:tslint",
+          "options": {
+            "tsConfig": [
+              "tsconfig.app.json",
+              "tsconfig.spec.json",
+              "e2e/tsconfig.json"
+            ],
+            "exclude": [
+              "**/node_modules/**"
+            ]
+          }
+        },
+        "e2e": {
+          "builder": "@angular-devkit/build-angular:protractor",
+          "options": {
+            "protractorConfig": "e2e/protractor.conf.js",
+            "devServerTarget": "ng-karaoqueue:serve"
+          },
+          "configurations": {
+            "production": {
+              "devServerTarget": "ng-karaoqueue:serve:production"
+            }
+          }
+        }
+      }
+    }
+  },
+  "defaultProject": "ng-karaoqueue",
+  "schematics": {
+    "@schematics/angular:component": {
+      "styleext": "scss"
+    }
+  }
+}

frontend/ng-karaoqueue/browserslist

@@ -0,0 +1,12 @@
+# This file is used by the build system to adjust CSS and JS output to support the specified browsers below.
+# For additional information regarding the format and rule options, please see:
+# https://github.com/browserslist/browserslist#queries
+
+# You can see what browsers were selected by your queries by running:
+#   npx browserslist
+
+> 0.5%
+last 2 versions
+Firefox ESR
+not dead
+not IE 9-11 # For IE 9-11 support, remove 'not'.

frontend/ng-karaoqueue/e2e/protractor.conf.js

@@ -0,0 +1,32 @@
+// @ts-check
+// Protractor configuration file, see link for more information
+// https://github.com/angular/protractor/blob/master/lib/config.ts
+
+const { SpecReporter } = require('jasmine-spec-reporter');
+
+/**
+ * @type { import("protractor").Config }
+ */
+exports.config = {
+  allScriptsTimeout: 11000,
+  specs: [
+    './src/**/*.e2e-spec.ts'
+  ],
+  capabilities: {
+    browserName: 'chrome'
+  },
+  directConnect: true,
+  baseUrl: 'http://localhost:4200/',
+  framework: 'jasmine',
+  jasmineNodeOpts: {
+    showColors: true,
+    defaultTimeoutInterval: 30000,
+    print: function() {}
+  },
+  onPrepare() {
+    require('ts-node').register({
+      project: require('path').join(__dirname, './tsconfig.json')
+    });
+    jasmine.getEnv().addReporter(new SpecReporter({ spec: { displayStacktrace: true } }));
+  }
+};

frontend/ng-karaoqueue/e2e/src/app.e2e-spec.ts

@@ -0,0 +1,23 @@
+import { AppPage } from './app.po';
+import { browser, logging } from 'protractor';
+
+describe('workspace-project App', () => {
+  let page: AppPage;
+
+  beforeEach(() => {
+    page = new AppPage();
+  });
+
+  it('should display welcome message', () => {
+    page.navigateTo();
+    expect(page.getTitleText()).toEqual('ng-karaoqueue app is running!');
+  });
+
+  afterEach(async () => {
+    // Assert that there are no errors emitted from the browser
+    const logs = await browser.manage().logs().get(logging.Type.BROWSER);
+    expect(logs).not.toContain(jasmine.objectContaining({
+      level: logging.Level.SEVERE,
+    } as logging.Entry));
+  });
+});

frontend/ng-karaoqueue/e2e/src/app.po.ts

@@ -0,0 +1,11 @@
+import { browser, by, element } from 'protractor';
+
+export class AppPage {
+  navigateTo() {
+    return browser.get(browser.baseUrl) as Promise<any>;
+  }
+
+  getTitleText() {
+    return element(by.css('app-root .content span')).getText() as Promise<string>;
+  }
+}

frontend/ng-karaoqueue/e2e/tsconfig.json

@@ -0,0 +1,13 @@
+{
+  "extends": "../tsconfig.json",
+  "compilerOptions": {
+    "outDir": "../out-tsc/e2e",
+    "module": "commonjs",
+    "target": "es5",
+    "types": [
+      "jasmine",
+      "jasminewd2",
+      "node"
+    ]
+  }
+}

frontend/ng-karaoqueue/karma.conf.js

@@ -0,0 +1,32 @@
+// Karma configuration file, see link for more information
+// https://karma-runner.github.io/1.0/config/configuration-file.html
+
+module.exports = function (config) {
+  config.set({
+    basePath: '',
+    frameworks: ['jasmine', '@angular-devkit/build-angular'],
+    plugins: [
+      require('karma-jasmine'),
+      require('karma-chrome-launcher'),
+      require('karma-jasmine-html-reporter'),
+      require('karma-coverage-istanbul-reporter'),
+      require('@angular-devkit/build-angular/plugins/karma')
+    ],
+    client: {
+      clearContext: false // leave Jasmine Spec Runner output visible in browser
+    },
+    coverageIstanbulReporter: {
+      dir: require('path').join(__dirname, './coverage/ng-karaoqueue'),
+      reports: ['html', 'lcovonly', 'text-summary'],
+      fixWebpackSourcePaths: true
+    },
+    reporters: ['progress', 'kjhtml'],
+    port: 9876,
+    colors: true,
+    logLevel: config.LOG_INFO,
+    autoWatch: true,
+    browsers: ['Chrome'],
+    singleRun: false,
+    restartOnFileChange: true
+  });
+};

frontend/ng-karaoqueue/package.json

@@ -0,0 +1,54 @@
+{
+  "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": "~9.0.5",
+    "@angular/cdk": "~9.1.2",
+    "@angular/common": "~9.0.5",
+    "@angular/compiler": "~9.0.5",
+    "@angular/core": "~9.0.5",
+    "@angular/forms": "~9.0.5",
+    "@angular/material": "^9.1.2",
+    "@angular/platform-browser": "~9.0.5",
+    "@angular/platform-browser-dynamic": "~9.0.5",
+    "@angular/router": "~9.0.5",
+    "@mdi/angular-material": "^5.0.45",
+    "@ngx-pwa/local-storage": "^9.0.3",
+    "hammerjs": "^2.0.8",
+    "runtime-config-loader": "^2.0.0",
+    "rxjs": "~6.5.4",
+    "tslib": "^1.11.1",
+    "zone.js": "~0.10.2"
+  },
+  "devDependencies": {
+    "@angular-devkit/build-angular": "^0.900.5",
+    "@angular/cli": "~9.0.5",
+    "@angular/compiler-cli": "~9.0.5",
+    "@angular/language-service": "~9.0.5",
+    "@types/jasmine": "~3.5.9",
+    "@types/jasminewd2": "~2.0.8",
+    "@types/node": "~13.9.0",
+    "codelyzer": "^5.2.1",
+    "jasmine-core": "~3.5.0",
+    "jasmine-spec-reporter": "~4.2.1",
+    "karma": "~4.4.1",
+    "karma-chrome-launcher": "~3.1.0",
+    "karma-coverage-istanbul-reporter": "~2.1.1",
+    "karma-jasmine": "~3.1.1",
+    "karma-jasmine-html-reporter": "^1.5.2",
+    "protractor": "~5.4.3",
+    "ts-node": "~8.6.2",
+    "tslint": "~6.0.0",
+    "typescript": "~3.8.3"
+  }
+}

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.spec.ts

@@ -0,0 +1,35 @@
+import { TestBed, async } from '@angular/core/testing';
+import { RouterTestingModule } from '@angular/router/testing';
+import { AppComponent } from './app.component';
+
+describe('AppComponent', () => {
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      imports: [
+        RouterTestingModule
+      ],
+      declarations: [
+        AppComponent
+      ],
+    }).compileComponents();
+  }));
+
+  it('should create the app', () => {
+    const fixture = TestBed.createComponent(AppComponent);
+    const app = fixture.debugElement.componentInstance;
+    expect(app).toBeTruthy();
+  });
+
+  it(`should have as title 'ng-karaoqueue'`, () => {
+    const fixture = TestBed.createComponent(AppComponent);
+    const app = fixture.debugElement.componentInstance;
+    expect(app.title).toEqual('ng-karaoqueue');
+  });
+
+  it('should render title', () => {
+    const fixture = TestBed.createComponent(AppComponent);
+    fixture.detectChanges();
+    const compiled = fixture.debugElement.nativeElement;
+    expect(compiled.querySelector('.content span').textContent).toContain('ng-karaoqueue app is running!');
+  });
+});

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

@@ -0,0 +1,16 @@
+import { Component, OnInit } from '@angular/core';
+import { RuntimeConfigLoaderService } from 'runtime-config-loader';
+
+@Component({
+  selector: 'app-root',
+  templateUrl: './app.component.html',
+  styleUrls: ['./app.component.scss']
+})
+export class AppComponent implements OnInit{
+
+  constructor(private configSvc: RuntimeConfigLoaderService) {}
+  ngOnInit(): void {
+    console.log("API at ",this.configSvc.getConfigObjectKey("api"));
+  }
+  title = 'KaraoQueue';
+}

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

@@ -0,0 +1,107 @@
+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 { MatAutocompleteModule } from '@angular/material/autocomplete';
+import { MatBadgeModule } from '@angular/material/badge';
+import { MatBottomSheetModule } from '@angular/material/bottom-sheet';
+import { MatButtonModule } from '@angular/material/button';
+import { MatButtonToggleModule } from '@angular/material/button-toggle';
+import { MatCardModule } from '@angular/material/card';
+import { MatCheckboxModule } from '@angular/material/checkbox';
+import { MatChipsModule } from '@angular/material/chips';
+import { MatStepperModule } from '@angular/material/stepper';
+import { MatDatepickerModule } from '@angular/material/datepicker';
+import { MatDialogModule } from '@angular/material/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 { MatInputModule } from '@angular/material/input';
+import { MatListModule } from '@angular/material/list';
+import { MatMenuModule } from '@angular/material/menu';
+import { MatNativeDateModule, MatRippleModule } from '@angular/material/core';
+import { MatPaginatorModule } from '@angular/material/paginator';
+import { MatProgressBarModule } from '@angular/material/progress-bar';
+import { MatProgressSpinnerModule } from '@angular/material/progress-spinner';
+import { MatRadioModule } from '@angular/material/radio';
+import { MatSelectModule } from '@angular/material/select';
+import { MatSidenavModule } from '@angular/material/sidenav';
+import { MatSliderModule } from '@angular/material/slider';
+import { MatSlideToggleModule } from '@angular/material/slide-toggle';
+import { MatSnackBarModule } from '@angular/material/snack-bar';
+import { MatSortModule } from '@angular/material/sort';
+import { MatTableModule } from '@angular/material/table';
+import { MatTabsModule } from '@angular/material/tabs';
+import { MatToolbarModule } from '@angular/material/toolbar';
+import { MatTooltipModule } from '@angular/material/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 { RuntimeConfigLoaderModule } from 'runtime-config-loader';
+
+@NgModule({
+  declarations: [
+    AppComponent,
+    EntryListingComponent,
+    SongSearchComponent
+  ],
+  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,
+    RuntimeConfigLoaderModule
+  ],
+  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 { RuntimeConfigLoaderService } from 'runtime-config-loader';
+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, duet: boolean, explicit: boolean, id: number, genres: Array<String>, languages: Array<String>) {
+    this.title=title;
+    this.artist=artist;
+    this.karafun_id=karafun_id;
+    this.duet=duet;
+    this.explicit=explicit;
+    this.id=id;
+    this.genres=genres;
+    this.languages=languages;
+  }
+
+  title: string;
+  artist: Artist;
+  karafun_id: number;
+  duet: boolean;
+  explicit: boolean;
+  id: number;
+  genres: Array<String>;
+  languages: Array<String>;
+}

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

@@ -0,0 +1,48 @@
+<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-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.duet==true" [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==true" [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 genre of song.genres">
+                  <mat-chip>{{genre}}</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>
+    </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 +1,42 @@
+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 { RuntimeConfigLoaderService } from 'runtime-config-loader';
+import { Observable } from 'rxjs';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class SongServiceService {
+
+  private api: string;
+  constructor(
+    private http: HttpClient,
+    private configSvc: RuntimeConfigLoaderService
+  ) {
+    this.api=configSvc.getConfigObjectKey("api");
+  }
+
+  searchSongByText(text: string): Observable<Array<Song>> {
+
+
+    let out = new Array<Song>();
+
+    this.http.get(this.api +"/songs/compl?search="+text).subscribe((data: Observable<JSON>) => {
+      data.forEach(element => {
+        out.push(new Song(element["title"],element["artist"],element["karafun_id"],element["duo"],element["explicit"],element["_id"],element["styles"],element["languages"]));
+      });
+    });
+
+    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:     $dark-bg-lighter-10,
+);
+
+// Compute font config
+@include mat-core($fontConfig);
+
+// 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/environments/environment.prod.ts

@@ -0,0 +1,3 @@
+export const environment = {
+  production: true
+};

frontend/ng-karaoqueue/src/environments/environment.ts

@@ -0,0 +1,16 @@
+// This file can be replaced during build by using the `fileReplacements` array.
+// `ng build --prod` replaces `environment.ts` with `environment.prod.ts`.
+// The list of file replacements can be found in `angular.json`.
+
+export const environment = {
+  production: false
+};
+
+/*
+ * For easier debugging in development mode, you can import the following file
+ * to ignore zone related error stack frames such as `zone.run`, `zoneDelegate.invokeTask`.
+ *
+ * This import should be commented out in production mode because it will have a negative impact
+ * on performance if an error is thrown.
+ */
+// import 'zone.js/dist/zone-error';  // Included with Angular CLI.

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>