Update dockerfile to adapt to new debian version

lowered maxqueue to 10 and participant quota to 2

.devcontainer/devcontainer.json

@@ -0,0 +1,32 @@
+{
+    "image": "mcr.microsoft.com/devcontainers/universal:2",
+    "hostRequirements": {
+      "cpus": 4
+    },
+    "waitFor": "onCreateCommand",
+    "updateContentCommand": "pip install -r requirements.txt",
+    "postCreateCommand": "",
+    "postAttachCommand": {
+      "server": "flask --debug run"
+    },
+    "portsAttributes": {
+      "5000": {
+        "label": "Application",
+        "onAutoForward": "openPreview"
+      }
+    },
+    "customizations": {
+      "codespaces": {
+        "openFiles": [
+          "templates/index.html"
+        ]
+      },
+      "vscode": {
+        "extensions": [
+          "ms-python.python"
+        ]
+      }
+    },
+    "forwardPorts": [5000]
+  }
+  

.editorconfig

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

.env.dev

@@ -7,8 +7,6 @@ MARIADB_PASSWORD=mariadb_karaoqueue_password
 
 # Karaoqueue
 DEPLOYMENT_PLATFORM=Docker
-DBSTRING=mysql://karaoqueue:mariadb_karaoqueue_password@127.0.0.1:3306/karaoqueue
+DBSTRING="mysql+pymysql://karaoqueue:mariadb_karaoqueue_password@127.0.0.1:3306/karaoqueue?charset=utf8mb4"
-BASIC_AUTH_USERNAME=admin 
+INITIAL_USERNAME=admin
-BASIC_AUTH_PASSWORD=change_me
+INITIAL_PASSWORD=changeme
-ENTRY_QUOTA=3
-MAX_QUEUE=20

.flake8

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

.github/workflows/lint.yaml

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

.gitignore

@@ -87,7 +87,7 @@ ipython_config.py
 #   However, in case of collaboration, if having platform-specific dependencies or dependencies
 #   having no cross-platform support, pipenv may install dependencies that don't work, or not
 #   install all needed dependencies.
-#Pipfile.lock
+Pipfile.lock
 
 # celery beat schedule file
 celerybeat-schedule

.vscode/settings.json

@@ -1,3 +1,17 @@
 {
-    "python.pythonPath": "/usr/bin/python"
+    "python.pythonPath": "/usr/bin/python",
+    "python.testing.unittestArgs": [
+        "-v",
+        "-s",
+        "./backend/tests",
+        "-p",
+        "*test.py"
+    ],
+    "python.testing.pytestEnabled": false,
+    "python.testing.unittestEnabled": true,
+    "python.linting.pylintEnabled": false,
+    "python.linting.flake8Enabled": true,
+    "emmet.includeLanguages": {
+        "django-html": "html"
+    }
 }

Dockerfile

@@ -1,5 +1,20 @@
-FROM tiangolo/uwsgi-nginx-flask:python3.7
+FROM tiangolo/meinheld-gunicorn-flask:python3.9
+
+# Currently unusable, mariadb is not available through installer for debian 12
+# RUN apt-key adv --recv-keys --keyserver keyserver.ubuntu.com 0xcbcb082a1bb943db
+# RUN curl -LsS https://downloads.mariadb.com/MariaDB/mariadb_repo_setup | bash
+
+RUN apt-get update
+RUN apt-get upgrade -y
+RUN apt-get dist-upgrade
+
+# In the meantime, acquire the mariadb packages through apt
+RUN apt-get install -y libmariadb3 libmariadb-dev
+
+COPY ./backend/requirements.txt /app/requirements.txt
+
+RUN pip install --no-cache-dir --upgrade -r /app/requirements.txt
+
+RUN pip install --no-cache-dir -U meinheld
 
 COPY ./backend /app
-
-RUN pip install -r /app/requirements.txt

backend/Pipfile

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

backend/app.py

@@ -1,5 +1,5 @@
 from flask import Flask, render_template, abort, request, redirect, send_from_directory, jsonify
-from flask.wrappers import Request, Response
+from flask.wrappers import Response
 import helpers
 import database
 import data_adapters
@@ -12,6 +12,7 @@ app = Flask(__name__, static_url_path='/static')
 basic_auth = BasicAuth(app)
 accept_entries = True
 
+
 @app.route("/")
 def home():
     if basic_auth.authenticate():
@@ -36,13 +37,13 @@ def enqueue():
     if not helpers.is_valid_uuid(client_id):
         print(request.data)
         abort(400)
-    name = request.json['name']
+    name = request.json['name'].strip()
     song_id = request.json['id']
     if request.authorization:
-        database.add_entry(name, song_id, client_id)
+        entry_id = database.add_entry(name, song_id, client_id)
-        return Response('{"status":"OK"}', mimetype='text/json')
+        return Response(f"""{{"status":"OK", "entry_id":{entry_id}}}""", mimetype='text/json')
     else:
-        if accept_entries:
+        if helpers.get_accept_entries(app):
             if not request.json:
                 print(request.data)
                 abort(400)
@@ -54,8 +55,8 @@ def enqueue():
             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)
+                    entry_id = database.add_entry(name, song_id, client_id)
-                    return Response('{"status":"OK"}', mimetype='text/json')
+                    return Response(f"""{{"status":"OK", "entry_id":{entry_id}}}""", mimetype='text/json')
                 else:
                     return Response('{"status":"Du hast bereits ' + str(database.check_entry_quota(client_id)) + ' Songs eingetragen, dies ist das Maximum an Einträgen die du in der Warteliste haben kannst."}', mimetype='text/json', status=423)
             else:
@@ -73,7 +74,7 @@ def songlist():
 @nocache
 @basic_auth.required
 def settings():
-    return render_template('settings.html', app=app, auth=basic_auth.authenticate())
+    return render_template('settings.html', app=app, auth=basic_auth.authenticate(), themes=helpers.get_themes())
 
 
 @app.route("/settings", methods=['POST'])
@@ -82,6 +83,10 @@ def settings():
 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:
@@ -90,8 +95,21 @@ def settings_post():
         app.config['MAX_QUEUE'] = int(maxqueue)  # type: ignore
     else:
         abort(400)
-
+    if theme is not None and theme in helpers.get_themes():
-    return render_template('settings.html', app=app, auth=basic_auth.authenticate())
+        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")
@@ -120,18 +138,18 @@ def songs():
 @basic_auth.required
 def update_songs():
     database.delete_all_entries()
+    helpers.reset_current_event_id(app)
     status = database.import_songs(
         helpers.get_songs(helpers.get_catalog_url()))
     print(status)
     return Response('{"status": "%s" }' % status, mimetype='text/json')
 
 
-@app.route("/api/songs/compl")
+@app.route("/api/songs/compl")  # type: ignore
 @nocache
 def get_song_completions(input_string=""):
     input_string = request.args.get('search', input_string)
     if input_string != "":
-        print(input_string)
         result = [list(x) for x in database.get_song_completions(input_string=input_string)]
         return jsonify(result)
 
@@ -139,10 +157,29 @@ def get_song_completions(input_string=""):
         return 400
 
 
-@app.route("/api/entries/delete/<entry_id>")
+@app.route("/api/entries/delete/<entry_id>", methods=['GET'])
 @nocache
 @basic_auth.required
-def delete_entry(entry_id):
+def delete_entry_admin(entry_id):
+    if database.delete_entry(entry_id):
+        return Response('{"status": "OK"}', mimetype='text/json')
+    else:
+        return Response('{"status": "FAIL"}', mimetype='text/json')
+
+
+@app.route("/api/entries/delete/<entry_id>", methods=['POST'])
+@nocache
+def delete_entry_user(entry_id):
+    if not request.json:
+        print(request.data)
+        abort(400)
+    client_id = request.json['client_id']
+    if not helpers.is_valid_uuid(client_id):
+        print(request.data)
+        abort(400)
+    if database.get_raw_entry(entry_id)[3] != client_id:  # type: ignore
+        print(request.data)
+        abort(403)
     if database.delete_entry(entry_id):
         return Response('{"status": "OK"}', mimetype='text/json')
     else:
@@ -173,6 +210,7 @@ def mark_sung(entry_id):
     else:
         return Response('{"status": "FAIL"}', mimetype='text/json')
 
+
 @app.route("/api/entries/mark_transferred/<entry_id>")
 @nocache
 @basic_auth.required
@@ -187,9 +225,8 @@ def mark_transferred(entry_id):
 @nocache
 @basic_auth.required
 def set_accept_entries(value):
-    global accept_entries
     if (value == '0' or value == '1'):
-        accept_entries = bool(int(value))
+        helpers.set_accept_entries(app, bool(int(value)))
         return Response('{"status": "OK"}', mimetype='text/json')
     else:
         return Response('{"status": "FAIL"}', mimetype='text/json', status=400)
@@ -198,7 +235,7 @@ def set_accept_entries(value):
 @app.route("/api/entries/accept")
 @nocache
 def get_accept_entries():
-    global accept_entries
+    accept_entries = helpers.get_accept_entries(app)
     return Response('{"status": "OK", "value": ' + str(int(accept_entries)) + '}', mimetype='text/json')
 
 
@@ -217,6 +254,7 @@ def clear_played_songs():
 @basic_auth.required
 def delete_all_entries():
     if database.delete_all_entries():
+        helpers.reset_current_event_id(app)
         return Response('{"status": "OK"}', mimetype='text/json')
     else:
         return Response('{"status": "FAIL"}', mimetype='text/json')
@@ -228,30 +266,36 @@ def admin():
     return redirect("/", code=303)
 
 
+@app.route("/api/events/current")
+@nocache
+def get_current_event():
+    return Response('{"status": "OK", "event": "' + helpers.get_current_event_id(app) + '"}', mimetype='text/json')
+
+
 @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:
+    if 'Cache-Control' not in response.headers:
-        response.headers['Cache-Control'] = 'private, max-age=600'
+        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'])

backend/data_adapters.py

@@ -1,8 +1,5 @@
-def dict_from_row(row):
-    return dict(zip(row.keys(), row))
-
 def dict_from_rows(rows):
     outlist = []
     for row in rows:
-        outlist.append(dict_from_row(row))
+        outlist.append(dict(row._mapping))
     return outlist

backend/database.py

@@ -1,11 +1,10 @@
 # -*- coding: utf_8 -*-
 
-from email.mime import base
+from sqlalchemy import create_engine, engine, text
-from MySQLdb import Connection
-from sqlalchemy import create_engine, engine
 import pandas
 from io import StringIO
 from flask import current_app
+import uuid
 
 song_table = "songs"
 entry_table = "entries"
@@ -18,8 +17,8 @@ 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(
-        sql_engine = create_engine(current_app.config.get("DBCONNSTRING"))  # type: ignore
+            current_app.config.get("DBCONNSTRING"))  # type: ignore
     return sql_engine
 
 
@@ -29,138 +28,192 @@ def import_songs(song_csv):
     with get_db_engine().connect() as conn:
         df.to_sql(song_table, conn, if_exists='replace',
                   index=False)
-        cur = conn.execute("SELECT Count(Id) FROM songs")
+        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:
-        conn.execute('CREATE TABLE IF NOT EXISTS '+entry_table +
+        stmt = text(
-                 ' (ID INTEGER PRIMARY KEY NOT NULL AUTO_INCREMENT, Song_Id INTEGER NOT NULL, Name VARCHAR(255), Client_Id VARCHAR(36), Transferred INTEGER DEFAULT 0)')
+            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:
-        conn.execute('CREATE TABLE IF NOT EXISTS '+done_table +
+        stmt = text(
-                 ' (Song_Id INTEGER PRIMARY KEY NOT NULL,  Plays INTEGER)')
+            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:
-        conn.execute("CREATE TABLE IF NOT EXISTS `"+song_table+"""` (
+        stmt = text(f"""CREATE TABLE IF NOT EXISTS `{song_table}` (
         `Id` INTEGER,
         `Title` TEXT,
         `Artist` TEXT,
-        `Year` INTEGER,
+        `Year` VARCHAR(4),
-        `Duo` INTEGER,
+        `Duo` BOOLEAN,
         `Explicit` INTEGER,
-        `Date Added` TEXT,
+        `Date Added` TIMESTAMP,
         `Styles` TEXT,
         `Languages` TEXT
         )""")
+        conn.execute(stmt)
+        conn.commit()
 
 
 def create_list_view():
     with get_db_engine().connect() as conn:
-        conn.execute("""CREATE OR REPLACE VIEW `Liste` AS
+        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""")
+                 WHERE entries.Song_Id=songs.Id
+                 ORDER BY entries.Id ASC
+                 """)
+        conn.execute(stmt)
+        conn.commit()
 
 
 def create_done_song_view():
     with get_db_engine().connect() as conn:
-        conn.execute("""CREATE OR REPLACE VIEW `Abspielliste` AS
+        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:
-        cur = conn.execute("SELECT * FROM Liste")
+        stmt = text("SELECT * FROM Liste")
+        cur = conn.execute(stmt)
     return cur.fetchall()
 
 
 def get_played_list():
     with get_db_engine().connect() as conn:
-        cur = conn.execute("SELECT * FROM Abspielliste")
+        stmt = text("SELECT * FROM Abspielliste")
+        cur = conn.execute(stmt)
     return cur.fetchall()
 
 
 def get_song_list():
     with get_db_engine().connect() as conn:
-        cur = conn.execute(
+        stmt = text("SELECT Artist || \" - \" || Title AS Song, Id FROM songs;")
-        "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:
-        # Don't look, it burns...
+        prepared_string = f"%{input_string.upper()}%"
-        prepared_string = "%{0}%".format(
+        stmt = text(
-            input_string).upper()  # "Test" -> "%TEST%"
+            "SELECT CONCAT(Artist, ' - ', Title) AS Song, Id FROM songs WHERE CONCAT(Artist, ' - ', Title) LIKE :prepared_string LIMIT 20;")
-        print(prepared_string)
         cur = conn.execute(
-            "SELECT CONCAT(Artist,\" - \",Title) AS Song, Id FROM songs WHERE CONCAT(Artist,\" - \",Title) LIKE (%s) LIMIT 20;", [prepared_string])
+            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:
-        conn.execute(
+        stmt = text(
-        "INSERT INTO entries (Song_Id,Name,Client_Id) VALUES(%s,%s,%s);", (song_id, name, client_id))
+            "INSERT INTO entries (Song_Id,Name,Client_Id) VALUES (:par_song_id,:par_name,:par_client_id) RETURNING entries.ID;")
-    return
+        cur = conn.execute(stmt, {"par_song_id": song_id, "par_name": name,
+                                  "par_client_id": client_id})  # type: ignore
+        conn.commit()
+    return cur.fetchone()[0]  # type: ignore
 
 
 def add_sung_song(entry_id):
     with get_db_engine().connect() as conn:
-        cur = conn.execute(
+        stmt = text("SELECT Song_Id FROM entries WHERE Id=:par_entry_id")
-            """SELECT Song_Id FROM entries WHERE Id=%s""", (entry_id,))
+        cur = conn.execute(stmt, {"par_entry_id": entry_id})  # type: ignore
         song_id = cur.fetchone()[0]  # type: ignore
-        conn.execute("""INSERT INTO done_songs (Song_Id, Plays) VALUES("""+str(song_id)+""",1) ON DUPLICATE KEY UPDATE Plays=Plays + 1;""")
+        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(
+        cur = conn.execute(text("SELECT Transferred FROM entries WHERE ID = :par_entry_id"),
-            "SELECT Transferred FROM entries WHERE ID =%s", (entry_id,))
+                           {"par_entry_id": entry_id})  # type: ignore
         marked = cur.fetchall()[0][0]
         if (marked == 0):
-            conn.execute(
+            conn.execute(text("UPDATE entries SET Transferred = 1 WHERE ID = :par_entry_id"),
-                "UPDATE entries SET Transferred = 1 WHERE ID =%s", (entry_id,))
+                         {"par_entry_id": entry_id})  # type: ignore
         else:
-            conn.execute(
+            conn.execute(text("UPDATE entries SET Transferred = 0 WHERE ID = :par_entry_id"),
-                "UPDATE entries SET Transferred = 0 WHERE ID =%s", (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(
+        cur = conn.execute(text("SELECT Count(*) FROM entries WHERE entries.Client_Id = :par_client_id"),
-            "SELECT Count(*) FROM entries WHERE entries.Client_Id = %s", (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("SELECT Count(*) FROM entries")
+        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("DELETE FROM done_songs")
+        conn.execute(text("DELETE FROM done_songs"))
+        conn.commit()
     return True
 
 
+def get_entry(id):
+    try:
+        with get_db_engine().connect() as conn:
+            cur = conn.execute(text("SELECT * FROM Liste WHERE entry_ID = :par_id"),
+                               {"par_id": id})  # type: ignore
+        return cur.fetchall()[0]
+    except Exception:
+        return None
+
+
+def get_raw_entry(id):
+    try:
+        with get_db_engine().connect() as conn:
+            cur = conn.execute(text("SELECT * FROM entries WHERE ID = :par_id"),
+                               {"par_id": id})  # type: ignore
+        return cur.fetchall()[0]
+    except Exception:
+        return None
+
+
 def delete_entry(id):
     with get_db_engine().connect() as conn:
-        conn.execute("DELETE FROM entries WHERE id=%s", (id,))
+        conn.execute(text("DELETE FROM entries WHERE id= :par_id"), {
+                     "par_id": id})  # type: ignore
+        conn.commit()
     return True
 
 
@@ -170,14 +223,75 @@ def delete_entries(ids):
         idlist.append((x,))
     try:
         with get_db_engine().connect() as conn:
-            cur = conn.execute("DELETE FROM entries WHERE id=%s", idlist)
+            cur = conn.execute(text("DELETE FROM entries WHERE id= :par_id"), {
-
+                               "par_id": idlist})
+            conn.commit()
         return cur.rowcount
-    except Exception as error:
+    except Exception:
         return -1
 
 
-def delete_all_entries():
+def delete_all_entries() -> bool:
     with get_db_engine().connect() as conn:
-        conn.execute("DELETE FROM entries")
+        conn.execute(text("DELETE FROM entries"))
+        conn.commit()
     return True
+
+
+def get_config(key: str) -> str:
+    try:
+        with get_db_engine().connect() as conn:
+            cur = conn.execute(
+                text("SELECT `Value` FROM config WHERE `Key`= :par_key"), {"par_key": key})  # type: ignore
+            conn.commit()
+        return cur.fetchall()[0][0]
+    except IndexError:
+        return ""
+
+
+def set_config(key: str, value: str) -> bool:
+    print(f"Setting config {key} to {value}")
+    with get_db_engine().connect() as conn:
+        conn.execute(text(
+            "INSERT INTO config (`Key`, `Value`) VALUES ( :par_key , :par_value) ON DUPLICATE KEY UPDATE `Value`= :par_value"),
+            {"par_key": key, "par_value": value}
+        )  # type: ignore
+        conn.commit()
+    return True
+
+
+def get_config_list() -> dict:
+    with get_db_engine().connect() as conn:
+        cur = conn.execute(text("SELECT * FROM config"))
+        result_dict = {}
+        for row in cur.fetchall():
+            result_dict[row[0]] = row[1]
+    return result_dict
+
+
+def check_config_table() -> bool:
+    with get_db_engine().connect() as conn:
+        if conn.dialect.has_table(conn, 'config'):
+            # type: ignore
+            # type: ignore
+            if (conn.execute(text("SELECT COUNT(*) FROM config")).fetchone()[0] > 0):  # type: ignore
+                return True
+            else:
+                return False
+        else:
+            return False
+
+
+def init_event_id() -> bool:
+    if not get_config("EventID"):
+        set_config("EventID", str(uuid.uuid4()))
+    return True
+
+
+def reset_event_id() -> bool:
+    set_config("EventID", str(uuid.uuid4()))
+    return True
+
+
+def get_event_id() -> str:
+    return get_config("EventID")

backend/helpers.py

@@ -1,30 +1,26 @@
 import requests
 from bs4 import BeautifulSoup
-import json
 import os
 import uuid
-from flask import make_response
+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']
+    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))
@@ -32,12 +28,14 @@ def is_valid_uuid(val):
     except ValueError:
         return False
 
-def check_config_exists():
-    return os.path.isfile(config_file)
 
-def load_version(app):
+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
+        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', '')
@@ -48,7 +46,8 @@ def load_version(app):
     else:
         app.config['VERSION'] = ""
 
-def load_dbconfig(app):
+
+def load_dbconfig(app: Flask):
     if os.environ.get("FLASK_ENV") == "development":
         app.config['DBCONNSTRING'] = os.environ.get("DBSTRING")
     else:
@@ -70,30 +69,99 @@ def load_dbconfig(app):
                 else:
                     app.config['DBCONNSTRING'] = ""
         else:
-            app.config['DBCONNSTRING'] = ""
+            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.""")
 
-def setup_config(app):
+# Check if config exists in DB, if not, create it.
-    if os.environ.get("DEPLOYMENT_PLATFORM") == "Docker":
+
-        app.config['BASIC_AUTH_USERNAME'] = os.environ.get('BASIC_AUTH_USERNAME')
+
-        app.config['BASIC_AUTH_PASSWORD'] = os.environ.get('BASIC_AUTH_PASSWORD')
+def setup_config(app: Flask):
-        app.config['ENTRY_QUOTA'] = os.environ.get('ENTRY_QUOTA')
+    if check_config_exists() is False:
-        app.config['MAX_QUEUE'] = os.environ.get('MAX_QUEUE')
+        print("No config found, creating new config")
-    else:
+        initial_username = os.environ.get("INITIAL_USERNAME")
-        if check_config_exists():
+        initial_password = os.environ.get("INITIAL_PASSWORD")
-            config = json.load(open(config_file))
+        if initial_username is None:
-            with open(config_file, 'r') as handle:
+            print(
-                config = json.load(handle)
+                "No initial username set. Please set the environment variable INITIAL_USERNAME")
-            print("Loaded existing config")
+            exit()
-        else:
+        if initial_password is None:
-            config = {'username': 'admin', 'password': 'changeme', 'entryquota': 3, 'maxqueue': 20}
+            print(
-            with open(config_file, 'w') as handle:
+                "No initial password set. Please set the environment variable INITIAL_PASSWORD")
-                json.dump(config, handle, indent=4, sort_keys=True)
+            exit()
-            print("Wrote new config")
+        default_config = {'username': initial_username,
+                          'password': initial_password,
+                          'entryquota': 2,
+                          'maxqueue': 10,
+                          'entries_allowed': 1,
+                          'theme': 'default.css'}
+        for key, value in default_config.items():
+            database.set_config(key, value)
+        print("Created new config")
+        database.init_event_id()
+    config = database.get_config_list()
     app.config['BASIC_AUTH_USERNAME'] = config['username']
     app.config['BASIC_AUTH_PASSWORD'] = config['password']
     app.config['ENTRY_QUOTA'] = config['entryquota']
     app.config['MAX_QUEUE'] = config['maxqueue']
+    app.config['ENTRIES_ALLOWED'] = bool(config['entries_allowed'])
+    app.config['THEME'] = config['theme']
+    app.config['EVENT_ID'] = database.get_event_id()
 
+# set queue admittance
+
+
+def set_accept_entries(app: Flask, allowed: bool):
+    if allowed:
+        app.config['ENTRIES_ALLOWED'] = True
+        database.set_config('entries_allowed', '1')
+    else:
+        app.config['ENTRIES_ALLOWED'] = False
+        database.set_config('entries_allowed', '0')
+
+# get queue admittance
+
+
+def get_accept_entries(app: Flask) -> bool:
+    state = bool(int(database.get_config('entries_allowed')))
+    app.config['ENTRIES_ALLOWED'] = state
+    return state
+
+
+# Write settings from current app.config to DB
+def persist_config(app: Flask):
+    config = {'username': app.config['BASIC_AUTH_USERNAME'], 'password': app.config['BASIC_AUTH_PASSWORD'],
+              'entryquota': app.config['ENTRY_QUOTA'], 'maxqueue': app.config['MAX_QUEUE']}
+    for key, value in config.items():
+        database.set_config(key, value)
+
+# Get available themes from themes directory
+
+
+def get_themes():
+    themes = []
+    for theme in os.listdir('./static/css/themes'):
+        themes.append(theme)
+    return themes
+
+# Set theme
+
+
+def set_theme(app: Flask, theme: str):
+    if theme in get_themes():
+        app.config['THEME'] = theme
+        database.set_config('theme', theme)
+    else:
+        print("Theme not found, not setting theme.")
+
+
+def get_current_event_id(app: Flask):
+    return app.config['EVENT_ID']
+
+
+def reset_current_event_id(app: Flask):
+    database.reset_event_id()
+    app.config['EVENT_ID'] = database.get_event_id()
 
 
 def nocache(view):

backend/requirements.txt

@@ -1,7 +1,36 @@
-requests
+autopep8==2.0.2
-pandas
+beautifulsoup4==4.12.0
-Flask-BasicAuth
+bs4==0.0.1
-bs4
+certifi==2022.12.7
-gunicorn
+charset-normalizer==3.1.0
-SQLAlchemy
+click==8.1.3
-mysqlclient
+flake8==6.0.0
+Flask==2.2.3
+Flask-BasicAuth==0.2.0
+greenlet==2.0.2
+gunicorn==20.1.0
+idna==3.4
+itsdangerous==2.1.2
+Jinja2==3.1.2
+mariadb==1.1.6
+MarkupSafe==2.1.2
+mccabe==0.7.0
+mysql==0.0.3
+mysqlclient==2.1.1
+numpy==1.24.2
+packaging==23.0
+pandas==1.5.3
+pycodestyle==2.10.0
+pyflakes==3.0.1
+PyMySQL==1.0.3
+python-dateutil==2.8.2
+pytz==2023.3
+requests==2.28.2
+six==1.16.0
+soupsieve==2.4
+SQLAlchemy==2.0.7
+toml==0.10.2
+tomli==2.0.1
+typing_extensions==4.5.0
+urllib3==1.26.15
+Werkzeug==2.2.3

backend/static/css/style.css

@@ -1,8 +1,39 @@
-body {
+:root {
-    padding-top: 5rem;
+  /* Navbar */
+  --navbar-background-color: #343a40;
+  --navbar-text-color: rgba(255, 255, 255, .5);
+  --navbar-text-color-hover: rgba(255, 255, 255, .75);
+  --navbar-text-color-active: rgba(255, 255, 255, 1);
+
+  /* Common */
+  --background-color: #ffffff;
+  --background-color-var: #f5f5f5;
+  --text-color: #212529;
+  --text-color-var: #343a40;
+
+  /* Modals */
+  --modal-background-color: #ffffff;
+  --modal-separator-color: #dee2e6;
+  --modal-close-color: #212529;
+
+  /* Tables */
+  --table-border-color: #dee2e6;
+
+  /* Input */
+  --input-background-color: #ffffff;
+
+  /* Misc */
+  --copy-highlight-color: rgba(251, 255, 0, 0.6);
 }
 
-html, body {
+
+body {
+  padding-top: 5rem;
+  background-color: var(--background-color);
+}
+
+html,
+body {
   height: 100%;
 }
 
@@ -12,7 +43,8 @@ html, body {
 }
 
 main {
-    padding-bottom: 60px; /* Höhe des Footers */
+  padding-bottom: 60px;
+  /* Höhe des Footers */
 }
 
 .footer {
@@ -21,7 +53,7 @@ main {
   height: 60px;
   /* Set the fixed height of the footer here */
   /*line-height: 60px; /* Vertically center the text there */
-    background-color: #f5f5f5;
+  background-color: var(--background-color-var);
 }
 
 .topbutton {
@@ -56,6 +88,10 @@ table td:first-child {
   max-width: 200px !important;
 }
 
+.fa-solid {
+  vertical-align: auto;
+}
+
 @media (min-width: 768px) {
   .topbutton {
     width: auto;
@@ -75,3 +111,91 @@ table td:first-child {
     display: none;
   }
 }
+
+body {
+  background-color: var(--background-color);
+  color: var(--text-color);
+}
+
+.footer {
+  background-color: var(--background-color-var);
+}
+
+.modal-content {
+  background-color: var(--background-color);
+  color: var(--text-color);
+}
+
+.modal-header {
+  background-color: var(--background-color);
+  color: var(--text-color-var);
+  border-color: var(var(--modal-separator-color));
+}
+
+.modal-footer {
+  background-color: var(--background-color);
+  color: var(--text-color-var);
+  border-color: var(var(--modal-separator-color));
+}
+
+.form-control {
+  background-color: var(--input-background-color);
+  color: var(--text-color)
+}
+
+.form-control:focus {
+  background-color: var(--input-background-color);
+  color: var(--text-color)
+}
+
+.table td,
+.table th {
+  border-color: var(--table-border-color)
+}
+
+.table thead th {
+  border-color: var(--table-border-color)
+}
+
+table td.buttoncell {
+  text-align: end;
+}
+
+.close {
+  color: var(--text-color)
+}
+
+pre {
+  color: var(--text-color-var)
+}
+
+#entrytable td>span:hover {
+  background-color: var(--copy-highlight-color);
+}
+
+@media (prefers-color-scheme: dark) {
+  :root {
+    /* Navbar */
+    --navbar-background-color: #343a40;
+    --navbar-text-color: rgba(255, 255, 255, .5);
+    --navbar-text-color-hover: rgba(255, 255, 255, .75);
+    --navbar-text-color-active: rgba(255, 255, 255, 1);
+
+    /* Common */
+    --background-color: #121212;
+    --background-color-var: #232323;
+    --text-color: #f5f5f5;
+    --text-color-var: #a2a2a2;
+
+    /* Modals */
+    --modal-background-color: #121212;
+    --modal-separator-color: #232323;
+    --modal-close-color: #f5f5f5;
+
+    /* Tables */
+    --table-border-color: #232323;
+
+    /* Input */
+    --input-background-color: #343434;
+  }
+}

backend/static/css/themes/stuk.css

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

backend/templates/base.html

@@ -6,6 +6,7 @@
     <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">
 
@@ -14,20 +15,27 @@
     <!-- Bootstrap-Tables -->
     <link rel="stylesheet" href="https://unpkg.com/bootstrap-table@1.21.2/dist/bootstrap-table.min.css">
 
+    <!-- Bootstrap-Toaster-->
+    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-toaster/4.1.2/css/bootstrap-toaster.min.css"
+        integrity="sha512-kYPLvO+Bu+xttOhbQvxs9nx7XSdxrb2JexRxQ3CpJQ7EtmlkBsWyOjlinLgiLWeLxuupFYB4cPqLOo0gnBnzeQ==" crossorigin="anonymous" referrerpolicy="no-referrer" />
+
     <!-- Bootstrap core CSS -->
-    <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css"
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.2.1/dist/css/bootstrap.min.css" integrity="sha384-GJzZqFGwb1QTTN6wy59ffF1BuGJpLSa9DkKMp0DgiMDm4iYMj70gZWKYbI706tWS" crossorigin="anonymous">
-        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://use.fontawesome.com/releases/v5.8.2/css/all.css"
+    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css"
-        integrity="sha384-oS3vJWv+0UjzBfQzYUhtDYW+Pj2yciDJxpsK1OYPAYjqT085Qq/1cq5FLXAZQ7Ay" crossorigin="anonymous">
+        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>
@@ -83,16 +91,12 @@
     <!-- 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"
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.6.4/jquery.min.js"
-        integrity="sha384-xBuQ/xzmlsLoJpyjoggmTEz8OWUFM0/RC5BsqQBDX2v5cMvDHcMakNTNrHIW2I5f" crossorigin="anonymous">
+        integrity="sha512-pumBsjNRGGqkPzKHndZMaAG+bir374sORyzM3uulLV14lN5LyykqNk8eEeUlUkB3U0M4FApyaHraT65ihJhDpQ=="
-        </script>
+        crossorigin="anonymous" referrerpolicy="no-referrer"></script>
 
-    <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js"
+    <script src="https://cdn.jsdelivr.net/npm/popper.js@1.14.6/dist/umd/popper.min.js" integrity="sha384-wHAiFfRlMFy6i5SRaxvfOCifBUQy1xHdJ/yoi7FRNXMRBu5WHdZYu1hA6ZOblgut" crossorigin="anonymous"></script>
-        integrity="sha384-ZMP7rVo3mIykV+2+9J3UJ46jBk0WLaUAdn689aCwoqbBJiSnjAK/l8WvCWPIPm49" crossorigin="anonymous">
+    <script src="https://cdn.jsdelivr.net/npm/bootstrap@4.2.1/dist/js/bootstrap.min.js" integrity="sha384-B0UglyR+jN6CkvvICOB2joaf5I4l3gm9GU6Hc1og6Ls7i6U/mkkaduKaBhlAXv9k" crossorigin="anonymous"></script>
-        </script>
-    <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>
@@ -100,10 +104,13 @@
     <script
         src="https://unpkg.com/bootstrap-table@1.21.2/dist/extensions/auto-refresh/bootstrap-table-auto-refresh.min.js"></script>
     <script src="https://gitcdn.github.io/bootstrap-toggle/2.2.2/js/bootstrap-toggle.min.js"></script>
+
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-toaster/4.1.2/js/bootstrap-toaster.min.js"
+        integrity="sha512-Ur6jgeoP3jnn38C7oBzDqMLRb+wxG2PXLKqgx2vgQ1ePFvbJ28f9iQSJplHD0APFHELOeS/df+RPNeENFtLrYw==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
     {% block extrajs %}{% endblock %}
     <script>
         $(document).ready(function () {
-            loadOrGenerateClientId()
+            checkEventID()
             // get current URL path and assign 'active' class
             var pathname = window.location.pathname;
             $('.navbar-nav > li > a[href="' + pathname + '"]').parent().addClass('active');
@@ -125,6 +132,50 @@
                 localStorage.setItem("clientId", create_UUID())
             }
         }
+
+        function getClientId() {
+            return localStorage.getItem("clientId")
+        }
+
+        async function checkEventID() {
+            const localEventID = localStorage.getItem("eventID")
+            const resp = await fetch("/api/events/current")
+            const respJson = await resp.json()
+            const remoteEventID = respJson.event
+
+            if (localEventID == null || localEventID != remoteEventID) {
+                localStorage.clear()
+                localStorage.setItem("eventID", remoteEventID)
+                loadOrGenerateClientId()
+            }
+        }
+
+        function addEntry(entryId) {
+          entryArray = JSON.parse(localStorage.getItem("ownedEntries"))
+          if (entryArray == null) {
+            entryArray = []
+          }
+          entryArray.push(entryId)
+          localStorage.setItem("ownedEntries", JSON.stringify(entryArray))
+        }
+
+        function removeEntry(entryId) {
+          entryArray = JSON.parse(localStorage.getItem("ownedEntries"))
+          if (entryArray == null) {
+            entryArray = []
+          }
+          entryArray = entryArray.filter(function(value, index, arr){ return value != entryId;});
+          localStorage.setItem("ownedEntries", JSON.stringify(entryArray))
+        }
+
+        function getOwnedEntries() {
+          var entries = JSON.parse(localStorage.getItem("ownedEntries"))
+          if (entries == null) {
+            entries = []
+          }
+          return entries;
+        }
+
     </script>
 </body>
 

backend/templates/main.html

@@ -17,6 +17,7 @@
             <th data-field="Name">Name</th>
             <th data-field="Title">Song</th>
             <th data-field="Artist">Künstler</th>
+            <th scope="col" data-formatter="TableActionsFormatter"></th>
         </tr>
     </thead>
 </table>
@@ -29,7 +30,48 @@ $.getJSON("/api/entries/accept", (data) => {
         $("#bfb").addClass("disabled")
         $("#bfb").prop("aria-disabled",true);
         $("#bfb").prop("tabindex","-1");
+        $("#bfb").wrap("<span class='tooltip-span' tabindex='0' data-toggle='tooltip' data-placement='bottom'></span>");
+                $(".tooltip-span").prop("title", "Eintragungen sind leider momentan nicht möglich.")
+                $('[data-toggle="tooltip"]').tooltip()
     }
 })
+
+function TableActionsFormatter(value,row,index) {
+    console.log("Value: " + value + ", Row: " + row + ", Index: " + index)
+    console.log(row)
+    if (getOwnedEntries().includes(row.entry_ID)) {
+      return "<button type='button' class='btn btn-danger' data-toggle='tooltip' data-placement='top' title='Eintrag zurückziehen' onclick=\"event.stopPropagation();$(this).tooltip('dispose');requestDeletionAsUser("+row["entry_ID"]+")\"><i class='fas fa-trash'></i></button>"
+    }
+    return ""
+}
+
+function requestDeletionAsUser(id) {
+  bootbox.confirm("Wirklich den Eintrag zurückziehen? Das könnte zu einer langen Wartezeit führen!", function (result) {
+    if (result) {
+        payload = {
+            "client_id": localStorage.getItem("clientId"),
+            "entry_id": id
+        }
+        $.ajax({
+            url: "/api/entries/delete/"+id,
+            type: "POST",
+            data: JSON.stringify(payload),
+            contentType: "application/json; charset=utf-8",
+            dataType: "json",
+            success: function(result) {
+                toast = {
+                  title: "Erfolgreich zurückgezogen",
+                  message: "Eintrag wurde gelöscht",
+                  status: TOAST_STATUS.SUCCESS,
+                  timeout: 5000
+                }
+                Toast.create(toast);
+                location.reload()
+            }
+        })
+    }
+  })
+}
+
 </script>
 {% endblock %}

backend/templates/main_admin.html

@@ -1,5 +1,3 @@
-
-
 {% extends 'base.html' %}
 {% block title %}Warteliste-Admin{% endblock %}
 {% block content %}
@@ -18,30 +16,19 @@ table td:nth-child(2) {
         <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">
+        <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"
+    <table class="table entries" id="entrytable" data-toggle="table" data-search="true" data-show-columns="true"
-            id="entrytable"
+        data-show-toggle="true" data-multiple-select-row="true" data-click-to-select="true" data-toolbar="#toolbar"
-            data-toggle="table"
+        data-pagination="true" data-show-extended-pagination="true" data-classes="table table-hover"
-            data-search="true"
+        data-url="/api/queue" data-show-refresh="true" data-auto-refresh="true" data-auto-refresh-interval="10">
-            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="Name" data-formatter="CopyFormatter">Name</th>
-                <th scope="col" data-field="Title">Song</th>
+                <th scope="col" data-field="Title"data-formatter="CopyFormatter">Song</th>
-                <th scope="col" data-field="Artist">Künstler</th>
+                <th scope="col" data-field="Artist"data-formatter="CopyFormatter">Künstler</th>
                 <th scope="col" data-formatter="TableActions">Aktionen</th>
             </tr>
         </thead>
@@ -59,6 +46,9 @@ table td:nth-child(2) {
         $("#entrytable").bootstrapTable().on('load-success.bs.table', function () {
             $('[data-toggle="tooltip"]').tooltip()
         })
+        $('[data-toggle="tooltip"]').tooltip({
+            trigger: 'hover'
+        })
     })
     function confirmDeleteEntry(name, entry_id) {
         bootbox.confirm("Wirklich den Eintrag von " + name + " löschen?", function (result) {
@@ -195,20 +185,36 @@ table td:nth-child(2) {
         });
     }
     function TableActions(value, row, index) {
-        console.log("Value: "+value+", Row: "+row+", Index: "+index)
-        console.log(row)
         let outerHTML = ""
         if (row.Transferred == 1) {
-            outerHTML = "<button type=\"button\" class=\"btn btn-default\" onclick=\"markEntryAsTransferred("+row.entry_ID+")\"><i class=\"fas fa-backward\"></i></button>&nbsp;<button type=\"button\" class=\"btn btn-success\" data-toggle=\"tooltip\" data-placement=\"top\" title=\"Als gesungen markieren\" onclick=\"markEntryAsSung("+row.entry_ID+")\"><i class=\"fas fa-check\"></i></button>&nbsp;<button type=\"button\" class=\"btn btn-danger\" data-toggle=\"tooltip\" data-placement=\"top\" title=\"Eintrag löschen\" onclick=\"confirmDeleteEntry('"+row.Name+"',"+row.entry_ID+")\"><i class=\"fas fa-trash\"></i></button>";
+            outerHTML = "<button type=\"button\" class=\"btn btn-default\" data-toggle=\"tooltip\" data-placement=\"top\" title=\"Markierung zurückziehen\" onclick=\"event.stopPropagation();$(this).tooltip('dispose');markEntryAsTransferred(" + row.entry_ID + ")\"><i class=\"fas fa-backward\"></i></button>&nbsp;<button type=\"button\" class=\"btn btn-success\" data-toggle=\"tooltip\" data-placement=\"top\" title=\"Als gesungen markieren\" onclick=\"event.stopPropagation();$(this).tooltip('dispose');markEntryAsSung(" + row.entry_ID + ")\"><i class=\"fas fa-check\"></i></button>&nbsp;<button type=\"button\" class=\"btn btn-danger\" data-toggle=\"tooltip\" data-placement=\"top\" title=\"Eintrag löschen\" onclick=\"event.stopPropagation();$(this).tooltip('dispose');confirmDeleteEntry(this.parentElement.parentElement.children[1].innerText," + row.entry_ID + ")\"><i class=\"fas fa-trash\"></i></button>";
         } else {
-            outerHTML = "<button type=\"button\" class=\"btn btn-info\" onclick=\"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=\"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=\"confirmDeleteEntry('"+row.Name+"',"+row.entry_ID+")\"><i class=\"fas fa-trash\"></i></button>";
+            outerHTML = "<button type=\"button\" class=\"btn btn-info\" data-toggle=\"tooltip\" data-placement=\"top\" title=\"Als übertragen markieren\" onclick=\"event.stopPropagation();$(this).tooltip('dispose');markEntryAsTransferred(" + row.entry_ID + ")\"><i class=\"fas fa-exchange-alt\"></i></button>&nbsp;<button type=\"button\" class=\"btn btn-success\" data-toggle=\"tooltip\" data-placement=\"top\" title=\"Als gesungen markieren\" onclick=\"event.stopPropagation();$(this).tooltip('dispose');markEntryAsSung(" + row.entry_ID + ")\"><i class=\"fas fa-check\"></i></button>&nbsp;<button type=\"button\" class=\"btn btn-danger\" data-toggle=\"tooltip\" data-placement=\"top\" title=\"Eintrag löschen\" onclick=\"event.stopPropagation();$(this).tooltip('dispose');confirmDeleteEntry(this.parentElement.parentElement.children[1].innerText," + row.entry_ID + ")\"><i class=\"fas fa-trash\"></i></button>";
         }
         return outerHTML;
     }
+
+    function CopyFormatter(value, row, index) {
+        let escapedString = value.replace("\"","\\\"").replace("\'", "\\\'")
+        return "<span onclick='copyAndNotify(this.innerText)'>"+value+"</span>";
+    }
+
     function getIdSelections() {
         return $.map($("#entrytable").bootstrapTable('getSelections'), function (row) {
             return row.entry_ID
         })
     }
+
+    function copyAndNotify(text) {
+        navigator.clipboard.writeText(text).then(function () {
+            let toast = {
+                title: "Kopiert",
+                message: text,
+                status: 1,
+                timeout: 5000
+              };
+            Toast.create(toast);
+            })
+    }
 </script>
 {% endblock %}

backend/templates/settings.html

@@ -10,9 +10,32 @@
         <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">
-    <input type="button" class="btn btn-default mr-1 mb-2" onclick="$.get('/writeSettings').done(()=>{alert('Einstellungen gespeichert')}).fail(()=>{alert('Fehler beim Speichern der Einstellungen')})" value="Einstellungen speichern"/>
 </form>
+<details>
+    <summary>Current config:</summary>
+    <pre>{% for key, val in config.items() %}{{key}}: {{val}}<br>{% endfor %}</pre>
+</details>
 {% endblock %}
 {% block extrajs %}
 {% endblock %}

backend/templates/songlist.html

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

docker-compose.prod.yml

@@ -6,23 +6,18 @@ secrets:
 
 services:
   karaoqueue:
-    image: "phillipkhne/karaoqueue:latest"
+    image: "ghcr.io/phoenixtwofive/karaoqueue:v2023.06"
+    build: .
     restart: always
     ports:
       - "127.0.0.1:8081:80" # Please put a reverse proxy in front of this
-    environment:
+    env_file: .env
-      DEPLOYMENT_PLATFORM: Docker
-      DBSTRING: mysql://user:pass@host:3306/database
-      BASIC_AUTH_USERNAME: admin
-      BASIC_AUTH_PASSWORD: changeme
-      ENTRY_QUOTA: 3
-      MAX_QUEUE: 20
   db:
     image: mariadb
     restart: always
-    environment:
+    env_file: .env 
-      MARIADB_ROOT_PASSWORD: changeme!
+    volumes:
-      MARIADB_ROOT_HOST: localhost
+    - karaoqueue-db:/var/lib/mysql
-      MARIADB_DATABASE: karaoqueue
+
-      MARIADB_USER: karaoqueue
+volumes:
-      MARIADB_PASSWORD: change
+  karaoqueue-db: