Merge branch 'legacy' into feature/legacy/mariadb_database

There are now two dockerfiles. One for production, one for development.
All configuration is now also handled through dotenv files,
which these dotenv files, as well as the included VSCode launch tasks
use.

.env.dev

@@ -0,0 +1,14 @@
+# 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://karaoqueue:mariadb_karaoqueue_password@127.0.0.1:3306/karaoqueue
+BASIC_AUTH_USERNAME=admin 
+BASIC_AUTH_PASSWORD=change_me
+ENTRY_QUOTA=3
+MAX_QUEUE=20

.gitignore

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

.vscode/launch.json

@@ -4,43 +4,83 @@
     // 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},
         {
-            "name": "Python: Flask (with reload, externally reachable)",
+            "preLaunchTask": "mariadb",
+            "name": "Python: Flask",
             "type": "python",
+            "cwd": "${workspaceFolder}/backend",
             "request": "launch",
             "module": "flask",
             "env": {
-                "FLASK_APP": "backend/app/main.py",
+                "FLASK_APP": "backend/app.py",
                 "FLASK_ENV": "development",
-                "FLASK_DEBUG": "1"
+                "FLASK_DEBUG": "1", 
             },
+            "envFile": "${workspaceFolder}/.env.dev",
             "args": [
                 "run",
                 "--no-debugger",
-                "--host='0.0.0.0'"
+                "--no-reload"
             ],
             "jinja": true
         },
         {
-            "name": "Python: Flask (externally reachable)",
+            "preLaunchTask": "mariadb",
+            "name": "Python: Flask (with reload)",
             "type": "python",
+            "cwd": "${workspaceFolder}/backend",
             "request": "launch",
             "module": "flask",
             "env": {
-                "FLASK_APP": "backend/app/main.py",
+                "FLASK_APP": "backend/app.py",
                 "FLASK_ENV": "development",
                 "FLASK_DEBUG": "1"
             },
+            "envFile": "${workspaceFolder}/.env.dev",
+            "args": [
+                "run",
+                "--no-debugger"
+            ],
+            "jinja": true
+        },
+        {
+            "preLaunchTask": "mariadb",
+            "name": "Python: Flask (with reload, externally reachable)",
+            "type": "python",
+            "cwd": "${workspaceFolder}/backend",
+            "request": "launch",
+            "module": "flask",
+            "env": {
+                "FLASK_APP": "backend/app.py",
+                "FLASK_ENV": "development",
+                "FLASK_DEBUG": "1"
+            },
+            "envFile": "${workspaceFolder}/.env.dev",
+            "args": [
+                "run",
+                "--no-debugger",
+                "--host=0.0.0.0"
+            ],
+            "jinja": true
+        },
+        {
+            "preLaunchTask": "mariadb",
+            "name": "Python: Flask (externally reachable)",
+            "type": "python",
+            "cwd": "${workspaceFolder}/backend",
+            "request": "launch",
+            "module": "flask",
+            "env": {
+                "FLASK_APP": "backend/app.py",
+                "FLASK_ENV": "development",
+                "FLASK_DEBUG": "1"
+            },
+            "envFile": "${workspaceFolder}/.env.dev",
             "args": [
                 "run",
                 "--no-debugger",
                 "--no-reload",
-                "--host='0.0.0.0'"
+                "--host=0.0.0.0"
             ],
             "jinja": true
         },

.vscode/tasks.json

@@ -0,0 +1,20 @@
+{
+    // 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
+        }
+    ]
+}

Dockerfile

@@ -0,0 +1,5 @@
+FROM tiangolo/uwsgi-nginx-flask:python3.7
+
+COPY ./backend /app
+
+RUN pip install -r /app/requirements.txt

backend/.gcloudignore

@@ -0,0 +1,19 @@
+# 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/Dockerfile

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

backend/Procfile

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

backend/app.py

@@ -0,0 +1,261 @@
+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 accept_entries:
+            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())
+
+
+@app.route("/settings", methods=['POST'])
+@nocache
+@basic_auth.required
+def settings_post():
+    entryquota = request.form.get("entryquota")
+    maxqueue = request.form.get("maxqueue")
+    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)
+
+    return render_template('settings.html', app=app, auth=basic_auth.authenticate())
+
+
+@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")
+@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):
+    global accept_entries
+    if (value == '0' or value == '1'):
+        accept_entries = 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():
+    global accept_entries
+    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()
+    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'
+    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

@@ -0,0 +1,19 @@
+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/app/database.py

@@ -1,167 +0,0 @@
-# -*- coding: utf_8 -*-
-
-import sqlite3
-import pandas
-from io import StringIO
-
-song_table  = "songs"
-entry_table = "entries"
-index_label = "Id"
-done_table  = "done_songs"
-
-def open_db():
-    conn = sqlite3.connect("data/test.db")
-    conn.execute('PRAGMA encoding = "UTF-8";')
-    return conn
-
-def import_songs(song_csv):
-    print("Start importing Songs...")
-    df = pandas.read_csv(StringIO(song_csv), sep=';')
-    conn = open_db()
-    cur = conn.cursor()
-    df.to_sql(song_table, conn, if_exists='replace',
-              index=False)
-    cur.execute("SELECT Count(Id) FROM songs")
-    num_songs = cur.fetchone()[0]
-    conn.close()
-    print("Imported songs ({} in Database)".format(num_songs))
-    return("Imported songs ({} in Database)".format(num_songs)) 
-
-def create_entry_table():
-    conn = open_db()
-    conn.execute('CREATE TABLE IF NOT EXISTS '+entry_table +
-                 ' (ID INTEGER PRIMARY KEY NOT NULL, Song_Id INTEGER NOT NULL, Name VARCHAR(255))')
-    conn.close()
-
-
-def create_done_song_table():
-    conn = open_db()
-    conn.execute('CREATE TABLE IF NOT EXISTS '+done_table +
-                 ' (Song_Id INTEGER PRIMARY KEY NOT NULL,  Plays INTEGER)')
-    conn.close()
-
-def create_song_table():
-    conn = open_db()
-    conn.execute("CREATE TABLE IF NOT EXISTS \""+song_table+"""\" (
-        "Id" INTEGER,
-        "Title" TEXT,
-        "Artist" TEXT,
-        "Year" INTEGER,
-        "Duo" INTEGER,
-        "Explicit" INTEGER,
-        "Date Added" TEXT,
-        "Styles" TEXT,
-        "Languages" TEXT
-    )""")
-    conn.close()
-
-def create_list_view():
-    conn = open_db()
-    conn.execute("""CREATE VIEW IF NOT EXISTS [Liste] AS
-                 SELECT Name, Title, Artist, entries.Id, songs.Id
-                 FROM entries, songs
-                 WHERE entries.Song_Id=songs.Id""")
-    conn.close()
-
-
-def create_done_song_view():
-    conn = open_db()
-    conn.execute("""CREATE VIEW IF NOT EXISTS [Abspielliste] AS
-                 SELECT Artist || \" - \" || Title AS Song, Plays AS Wiedergaben
-                 FROM songs, done_songs
-                 WHERE done_songs.Song_Id=songs.Id""")
-    conn.close()
-
-def get_list():
-    conn = open_db()
-    conn.row_factory = sqlite3.Row
-    cur = conn.cursor()
-    cur.execute("SELECT * FROM Liste")
-    return cur.fetchall()
-
-
-def get_played_list():
-    conn = open_db()
-    cur = conn.cursor()
-    cur.execute("SELECT * FROM Abspielliste")
-    return cur.fetchall()
-
-def get_song_list():
-    conn =open_db()
-    cur = conn.cursor()
-    cur.execute("SELECT Artist || \" - \" || Title AS Song, Id FROM songs;")
-    return cur.fetchall()
-
-def get_song_completions(input_string):
-    conn = open_db()
-    cur = conn.cursor()
-    # Don't look, it burns...
-    prepared_string = "%{0}%".format(input_string).upper()  # "Test" -> "%TEST%"
-    print(prepared_string)
-    cur.execute(
-        "SELECT Title || \" - \" || Artist AS Song, Id FROM songs WHERE REPLACE(REPLACE(REPLACE(REPLACE(UPPER( SONG ),'ö','Ö'),'ü','Ü'),'ä','Ä'),'ß','ẞ') LIKE (?) LIMIT 20;", (prepared_string,))
-    return cur.fetchall()
-
-def add_entry(name,song_id):
-    conn = open_db()
-    cur = conn.cursor()
-    cur.execute(
-        "INSERT INTO entries (Song_Id,Name) VALUES(?,?);", (song_id,name))
-    conn.commit()
-    conn.close()
-    return
-
-def add_sung_song(entry_id):
-    conn = open_db()
-    cur = conn.cursor()
-    cur.execute("""SELECT Song_Id FROM entries WHERE Id=?""",(entry_id,))
-    song_id = cur.fetchone()[0]
-    cur.execute("""INSERT OR REPLACE INTO done_songs (Song_Id, Plays)
-                VALUES("""+str(song_id)+""",
-                       COALESCE(
-                           (SELECT Plays FROM done_songs
-                            WHERE Song_Id="""+str(song_id)+"), 0) + 1)"
-                )
-    conn.commit()
-    delete_entry(entry_id)
-    conn.close()
-    return True
-
-def clear_played_songs():
-    conn = open_db()
-    cur = conn.cursor()
-    cur.execute("DELETE FROM done_songs")
-    conn.commit()
-    conn.close()
-    return True
-
-def delete_entry(id):
-    conn = open_db()
-    cur = conn.cursor()
-    cur.execute("DELETE FROM entries WHERE id=?",(id,))
-    conn.commit()
-    conn.close()
-    return True
-
-
-def delete_entries(ids):
-    idlist = []
-    for x in ids:
-        idlist.append( (x,) )
-    try:
-        conn = open_db()
-        cur = conn.cursor()
-        cur.executemany("DELETE FROM entries WHERE id=?", idlist)
-        conn.commit()
-        conn.close()
-        return cur.rowcount
-    except sqlite3.Error as error:
-        return -1
-
-def delete_all_entries():
-    conn = open_db()
-    cur = conn.cursor()
-    cur.execute("DELETE FROM entries")
-    conn.commit()
-    conn.close()
-    return True

backend/app/helpers.py

@@ -1,39 +0,0 @@
-import requests
-from bs4 import BeautifulSoup
-import json
-import os
-
-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='Available in CSV format')[0]['href']
-    return url
-
-def get_songs(url):
-    r = requests.get(url)
-    return r.text
-
-def check_config_exists():
-    return os.path.isfile(config_file)
-
-def setup_config(app):
-    if check_config_exists():
-        config = json.load(open(config_file))
-        with open(config_file, 'r') as handle:
-            config = json.load(handle)
-        print("Loaded existing config")
-    else:
-        config = {'username': 'admin', 'password': 'changeme'}
-        with open(config_file, 'w') as handle:
-            json.dump(config, handle, indent=4, sort_keys=True)
-        print("Wrote new config")
-    app.config['BASIC_AUTH_USERNAME'] = config['username']
-    app.config['BASIC_AUTH_PASSWORD'] = config['password']

backend/app/main.py

@@ -1,155 +0,0 @@
-from flask import Flask, render_template, Response, abort, request, redirect
-import helpers
-import database
-import data_adapters
-import os, errno
-import json
-from flask_basicauth import BasicAuth
-app = Flask(__name__, static_url_path='/static')
-
-basic_auth = BasicAuth(app)
-accept_entries = False
-
-@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('/api/enqueue', methods=['POST'])
-def enqueue():
-    if accept_entries:
-        if not request.json:
-            print(request.data)
-            abort(400)
-        name = request.json['name']
-        song_id = request.json['id']
-        database.add_entry(name, song_id)
-        return Response('{"status":"OK"}', mimetype='text/json')
-    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("/api/queue")
-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")
-@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")
-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")
-@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")
-def get_song_completions(input_string=""):
-    input_string = request.args.get('search',input_string)
-    if input_string!="":
-        print(input_string)
-        list = database.get_song_completions(input_string=input_string)
-        return Response(json.dumps(list, ensure_ascii=False).encode('utf-8'), mimetype='text/json')
-
-    else:
-        return 400
-
-
-@app.route("/api/entries/delete/<entry_id>")
-@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'])
-@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>")
-@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/accept/<value>")
-@basic_auth.required
-def set_accept_entries(value):
-    global accept_entries
-    if (value=='0' or value=='1'):
-        accept_entries=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")
-def get_accept_entries():
-    global accept_entries
-    return Response('{"status": "OK", "value": '+str(int(accept_entries))+'}', mimetype='text/json')
-    
-
-@app.route("/api/played/clear")
-@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")
-@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.create_data_directory()
-    database.create_entry_table()
-    database.create_song_table()
-    database.create_done_song_table()
-    database.create_list_view()
-    database.create_done_song_view()
-    helpers.setup_config(app)
-
-
-if __name__ == "__main__":    
-    app.run(debug=True, host='0.0.0.0')

backend/database.py

@@ -0,0 +1,183 @@
+# -*- coding: utf_8 -*-
+
+from email.mime import base
+from MySQLdb import Connection
+from sqlalchemy import create_engine, engine
+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("SELECT Count(Id) FROM songs")
+        num_songs = cur.fetchone()[0] # type: ignore
+    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 +
+                 ' (ID INTEGER PRIMARY KEY NOT NULL AUTO_INCREMENT, Song_Id INTEGER NOT NULL, Name VARCHAR(255), Client_Id VARCHAR(36), Transferred INTEGER DEFAULT 0)')
+
+
+def create_done_song_table():
+    with get_db_engine().connect() as conn:
+        conn.execute('CREATE TABLE IF NOT EXISTS '+done_table +
+                 ' (Song_Id INTEGER PRIMARY KEY NOT NULL,  Plays INTEGER)')
+
+
+def create_song_table():
+    with get_db_engine().connect() as conn:
+        conn.execute("CREATE TABLE IF NOT EXISTS `"+song_table+"""` (
+        `Id` INTEGER,
+        `Title` TEXT,
+        `Artist` TEXT,
+        `Year` INTEGER,
+        `Duo` INTEGER,
+        `Explicit` INTEGER,
+        `Date Added` TEXT,
+        `Styles` TEXT,
+        `Languages` TEXT
+    )""")
+
+
+def create_list_view():
+    with get_db_engine().connect() as conn:
+        conn.execute("""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""")
+
+
+def create_done_song_view():
+    with get_db_engine().connect() as conn:
+        conn.execute("""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""")
+
+
+def get_list():
+    with get_db_engine().connect() as conn:
+        cur = conn.execute("SELECT * FROM Liste")
+    return cur.fetchall()
+
+
+def get_played_list():
+    with get_db_engine().connect() as conn:
+        cur = conn.execute("SELECT * FROM Abspielliste")
+    return cur.fetchall()
+
+
+def get_song_list():
+    with get_db_engine().connect() as conn:
+        cur = conn.execute(
+        "SELECT Artist || \" - \" || Title AS Song, Id FROM songs;")
+    return cur.fetchall()
+
+
+def get_song_completions(input_string):
+    with get_db_engine().connect() as conn:
+        # Don't look, it burns...
+        prepared_string = "%{0}%".format(
+            input_string).upper()  # "Test" -> "%TEST%"
+        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])
+    return cur.fetchall()
+
+
+def add_entry(name, song_id, client_id):
+    with get_db_engine().connect() as conn:
+        conn.execute(
+        "INSERT INTO entries (Song_Id,Name,Client_Id) VALUES(%s,%s,%s);", (song_id, name, client_id))
+    return
+
+
+def add_sung_song(entry_id):
+    with get_db_engine().connect() as conn:
+        cur = conn.execute(
+            """SELECT Song_Id FROM entries WHERE Id=%s""", (entry_id,))
+        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;""")
+        delete_entry(entry_id)
+    return True
+
+
+def toggle_transferred(entry_id):
+    with get_db_engine().connect() as conn:
+        cur = conn.execute(
+            "SELECT Transferred FROM entries WHERE ID =%s", (entry_id,))
+        marked = cur.fetchall()[0][0]
+        if(marked == 0):
+            conn.execute(
+                "UPDATE entries SET Transferred = 1 WHERE ID =%s", (entry_id,))
+        else:
+            conn.execute(
+                "UPDATE entries SET Transferred = 0 WHERE ID =%s", (entry_id,))
+    return True
+
+
+def check_entry_quota(client_id):
+    with get_db_engine().connect() as conn:
+        cur = conn.execute(
+            "SELECT Count(*) FROM entries WHERE entries.Client_Id = %s", (client_id,))
+    return cur.fetchall()[0][0]
+
+
+def check_queue_length():
+    with get_db_engine().connect() as conn:
+        cur = conn.execute("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")
+    return True
+
+
+def delete_entry(id):
+    with get_db_engine().connect() as conn:
+        conn.execute("DELETE FROM entries WHERE id=%s", (id,))
+    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("DELETE FROM entries WHERE id=%s", idlist)
+
+        return cur.rowcount
+    except Exception as error:
+        return -1
+
+
+def delete_all_entries():
+    with get_db_engine().connect() as conn:
+        conn.execute("DELETE FROM entries")
+    return True

backend/helpers.py

@@ -0,0 +1,109 @@
+import requests
+from bs4 import BeautifulSoup
+import json
+import os
+import uuid
+from flask import make_response
+from functools import wraps, update_wrapper
+from datetime import datetime
+
+data_directory = "data"
+config_file = data_directory+"/config.json"
+
+def create_data_directory():
+    if not os.path.exists(data_directory):
+        os.makedirs(data_directory)
+
+
+def get_catalog_url():
+    r = requests.get('https://www.karafun.de/karaoke-song-list.html')
+    soup = BeautifulSoup(r.content, 'html.parser')
+    url = soup.findAll('a', href=True, text='Verfügbar in CSV-Format')[0]['href']
+    return url
+
+def get_songs(url):
+    r = requests.get(url)
+    return r.text
+
+def is_valid_uuid(val):
+    try:
+        uuid.UUID(str(val))
+        return True
+    except ValueError:
+        return False
+
+def check_config_exists():
+    return os.path.isfile(config_file)
+
+def load_version(app):
+    if os.environ.get("SOURCE_VERSION"):
+        app.config['VERSION'] = os.environ.get("SOURCE_VERSION")[0:7] # type: ignore
+    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):
+    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:
+            app.config['DBCONNSTRING'] = ""
+
+def setup_config(app):
+    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')
+        app.config['ENTRY_QUOTA'] = os.environ.get('ENTRY_QUOTA')
+        app.config['MAX_QUEUE'] = os.environ.get('MAX_QUEUE')
+    else:
+        if check_config_exists():
+            config = json.load(open(config_file))
+            with open(config_file, 'r') as handle:
+                config = json.load(handle)
+            print("Loaded existing config")
+        else:
+            config = {'username': 'admin', 'password': 'changeme', 'entryquota': 3, 'maxqueue': 20}
+            with open(config_file, 'w') as handle:
+                json.dump(config, handle, indent=4, sort_keys=True)
+            print("Wrote new config")
+        app.config['BASIC_AUTH_USERNAME'] = config['username']
+        app.config['BASIC_AUTH_PASSWORD'] = config['password']
+        app.config['ENTRY_QUOTA'] = config['entryquota']
+        app.config['MAX_QUEUE'] = config['maxqueue']
+
+
+
+def nocache(view):
+    @wraps(view)
+    def no_cache(*args, **kwargs):
+        response = make_response(view(*args, **kwargs))
+        response.headers['Last-Modified'] = datetime.now()  # type: ignore
+        response.headers['Cache-Control'] = 'no-store, no-cache, must-revalidate, post-check=0, pre-check=0, max-age=0'
+        response.headers['Pragma'] = 'no-cache'
+        response.headers['Expires'] = '-1'
+        return response
+        
+    return update_wrapper(no_cache, view)

backend/main.py

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

backend/requirements.txt

@@ -0,0 +1,7 @@
+requests
+pandas
+Flask-BasicAuth
+bs4
+gunicorn
+SQLAlchemy
+mysqlclient

backend/static/manifest.webmanifest

@@ -2,12 +2,13 @@
     "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/homescreen192.png",
-        "sizes": "192x192",
+        "src": "images/touch/homescreen512.png",
+        "sizes": "512x512",
         "type": "image/png"
     }],
     "related_applications": [{

backend/templates/base.html

@@ -12,7 +12,7 @@
     <title>{% block title %}{% endblock %} - KaraoQueue</title>
 
     <!-- Bootstrap-Tables -->
-    <link rel="stylesheet" href="https://unpkg.com/bootstrap-table@1.15.3/dist/bootstrap-table.min.css">
+    <link rel="stylesheet" href="https://unpkg.com/bootstrap-table@1.21.2/dist/bootstrap-table.min.css">
 
     <!-- Bootstrap core CSS -->
     <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css"
@@ -51,6 +51,9 @@
                 <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">
@@ -68,13 +71,11 @@
     <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>
+            <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 -&nbsp;<span
-                    style="display:inline-block;transform: rotate(180deg) translateY(-0.2rem)">&copy</span>&nbsp;2019 - Phillip
+            <span class="text-muted"> {{karaoqueue_version}} -&nbsp;2019-23 - Phillip
                 Kühne</span>
         </div>
     </footer>
@@ -84,28 +85,46 @@
     <!-- 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>
 
     <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>
     <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/js/bootstrap.min.js"
         integrity="sha384-ChfqqxuZUCnJSK3+MXmPNIyE6ZbWh2IMqE241rYiqJxyMiZ6OW/JmZQ5stwEULTy" crossorigin="anonymous">
-    </script>
+        </script>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/bootbox.js/4.4.0/bootbox.min.js"
         integrity="sha256-4F7e4JsAJyLUdpP7Q8Sah866jCOhv72zU5E8lIRER4w=" crossorigin="anonymous">
-    </script>
-    <script src="https://unpkg.com/bootstrap-table@1.15.3/dist/bootstrap-table.min.js"></script>
-    <script src="https://unpkg.com/bootstrap-table@1.15.3/dist/extensions/auto-refresh/bootstrap-table-auto-refresh.min.js"></script>
+        </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>
 

backend/templates/main_admin.html

@@ -52,10 +52,10 @@ table td:nth-child(2) {
 {% block extrajs %}
 <script>
     $(function () {
+        refreshEntryToggle()
         $('#entryToggle').change(function() {
             $.ajax({url: "/api/entries/accept/"+($('#entryToggle').is(":checked") ? "1" : "0"), complete: setTimeout(refreshEntryToggle, 1000)});
         })
-        refreshEntryToggle()
         $("#entrytable").bootstrapTable().on('load-success.bs.table', function() {
             $('[data-toggle="tooltip"]').tooltip()
         })
@@ -116,10 +116,10 @@ table td:nth-child(2) {
         $.getJSON("/api/entries/accept", (data) => {
             if (data["value"]!=$('#entryToggle').is(":checked")) {
                 if(data["value"]==1) {
-                $('#entryToggle').bootstrapToggle('on')
+                    $('#entryToggle').data('bs.toggle').on('true')
                 }
                 else {
-                    $('#entryToggle').bootstrapToggle('off')
+                    $('#entryToggle').data('bs.toggle').off('true')
                 }
             }
         })
@@ -146,6 +146,19 @@ table td:nth-child(2) {
        $("#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',
@@ -182,11 +195,19 @@ table td:nth-child(2) {
         });
     }
     function TableActions (value, row, index) {
-        return "<button type=\"button\" class=\"btn btn-success\" data-toggle=\"tooltip\" data-placement=\"top\" title=\"Als gesungen markieren\" onclick=\"markEntryAsSung("+row.ID+")\"><i class=\"fas fa-check\"></i></button>&nbsp;<button type=\"button\" class=\"btn btn-danger\" data-toggle=\"tooltip\" data-placement=\"top\" title=\"Eintrag löschen\" onclick=\"confirmDeleteEntry('"+row.Name+"',"+row.ID+")\"><i class=\"fas fa-trash\"></i></button>";
+        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>";
+        } 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>";
+        }
+        return outerHTML;
     }
     function getIdSelections() {
         return $.map($("#entrytable").bootstrapTable('getSelections'), function (row) {
-            return row.ID
+            return row.entry_ID
         })
     }
 </script>

backend/templates/played_list.html

@@ -38,8 +38,8 @@
 </table>
 {% endblock %}
 {% block extrajs %}
-<script src="https://unpkg.com/jspdf@latest/dist/jspdf.min.js"></script>
-<script src="https://unpkg.com/jspdf-autotable@3.1.1/dist/jspdf.plugin.autotable.js"></script>
+<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({

backend/templates/settings.html

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

backend/templates/songlist.html

@@ -17,8 +17,8 @@
                 </button>
             </div>
             <div class="form-group">
-            <form id="nameForm">
-                <div class="modal-body">
+                <form id="nameForm">
+                    <div class="modal-body">
                         <label for="singerNameInput">Sängername</label>
                         <input type="text" class="form-control" id="singerNameInput" placeholder="Max Mustermann"
                             required>
@@ -28,7 +28,7 @@
                         <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>
+                </form>
             </div>
         </div>
     </div>
@@ -38,18 +38,18 @@
 <script>
     $(document).ready(function () {
         $("#filter").focus();
-        $("#filter").keyup( function () {
+        $("#filter").keyup(function () {
             var value = $(this).val().toLowerCase();
             //alert(value);
-            if(value.length >= 1) {
+            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>
+                        items.push("<tr><td>" + val[0] + `</td>
                             <td><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
+                                    data-target='#enqueueModal' onclick='setSelectedId(`+ val[1] + `)'><i
                                         class="fas fa-plus"></i></button></td>
                         </tr>`)
                     });
@@ -63,17 +63,18 @@
             }
         });
 
-        $("#nameForm").submit( function (e) {
+        $("#nameForm").submit(function (e) {
             e.preventDefault();
             submitModal();
         });
     });
 
 
-    function enqueue(id,name,success_callback, blocked_callback) {
+    function enqueue(client_id, id, name, success_callback, blocked_callback) {
         var data = {
             "name": name,
-            "id": id
+            "id": id,
+            "client_id": client_id
         }
         $.ajax({
             type: 'POST',
@@ -89,20 +90,20 @@
     }
 
     function setSelectedId(id) {
-        $("#selectedId").attr("value",id);
+        $("#selectedId").attr("value", id);
     }
 
     function submitModal() {
         var name = $("#singerNameInput").val();
         var id = $("#selectedId").attr("value");
-        enqueue(id,name,function () {
+        enqueue(localStorage.getItem("clientId"),id, name, function () {
             $("#enqueueModal").modal('hide');
             window.location.href = '/#end';
-        }, function () {
+        }, function (response) {
             bootbox.alert({
-                    message: "Es werden leider keine neuen Anmeldungen mehr angenommen. Tut mir leid :(",
-                });
-            $(".enqueueButton").prop("disabled",true);
+                message: "Deine Eintragung konnte leider nicht vorgenommen werden.\nGrund: "+response.responseJSON.status,
+            });
+            entriesAccepted();
             $("#enqueueModal").modal('hide');
 
         });
@@ -110,20 +111,26 @@
 
     }
 
+    {% 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.")
+        $.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)
+                $(".enqueueButton").prop("disabled", false)
             }
 
         })
     }
+    {% else %}
+    function entriesAccepted() {
+        $(".enqueueButton").prop("disabled", false)
+    }
+    {% endif %}
 
 </script>
 {% endblock %}

docker-compose.prod.yml

@@ -0,0 +1,28 @@
+version: "3.9"
+
+secrets:
+  secrets:
+    file: ./secrets.yml
+
+services:
+  karaoqueue:
+    image: "phillipkhne/karaoqueue:latest"
+    restart: always
+    ports:
+      - "127.0.0.1:8081:80" # Please put a reverse proxy in front of this
+    environment:
+      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:
+      MARIADB_ROOT_PASSWORD: changeme!
+      MARIADB_ROOT_HOST: localhost
+      MARIADB_DATABASE: karaoqueue
+      MARIADB_USER: karaoqueue
+      MARIADB_PASSWORD: change

docker-compose.yml

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