Merge pull request #39 from PhoenixTwoFive/feature/legacy/mariadb_database

Feature/legacy/mariadb database

.gitignore

@@ -131,3 +131,10 @@ dmypy.json
 
 # Test data
 data/
+
+# Node Modules
+
+node_modules/
+
+# Version identification file
+.version

.vscode/launch.json

@@ -4,35 +4,72 @@
     // 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": "${workspaceFolder}/backend",
             "request": "launch",
             "module": "flask",
             "env": {
-                "FLASK_APP": "backend/app/main.py",
+                "FLASK_APP": "backend/app.py",
+                "FLASK_ENV": "development",
+                "FLASK_DEBUG": "1", 
+                "DBSTRING": "mysql://devuser:devpw@127.0.0.1:3306/karaoqueue"
+            },
+            "args": [
+                "run",
+                "--no-debugger",
+                "--no-reload"
+            ],
+            "jinja": true
+        },
+        {
+            "preLaunchTask": "mariadb",
+            "name": "Python: Flask (with reload)",
+            "type": "python",
+            "cwd": "${workspaceFolder}/backend",
+            "request": "launch",
+            "module": "flask",
+            "env": {
+                "FLASK_APP": "backend/app.py",
+                "FLASK_ENV": "development",
+                "FLASK_DEBUG": "1"
+            },
+            "args": [
+                "run",
+                "--no-debugger"
+            ],
+            "jinja": true
+        },
+        {
+            "preLaunchTask": "mariadb",
+            "name": "Python: Flask (with reload, externally reachable)",
+            "type": "python",
+            "cwd": "${workspaceFolder}/backend",
+            "request": "launch",
+            "module": "flask",
+            "env": {
+                "FLASK_APP": "backend/app.py",
                 "FLASK_ENV": "development",
                 "FLASK_DEBUG": "1"
             },
             "args": [
                 "run",
                 "--no-debugger",
-                "--host='0.0.0.0'"
+                "--host=0.0.0.0"
             ],
             "jinja": true
         },
         {
+            "preLaunchTask": "mariadb",
             "name": "Python: Flask (externally reachable)",
             "type": "python",
+            "cwd": "${workspaceFolder}/backend",
             "request": "launch",
             "module": "flask",
             "env": {
-                "FLASK_APP": "backend/app/main.py",
+                "FLASK_APP": "backend/app.py",
                 "FLASK_ENV": "development",
                 "FLASK_DEBUG": "1"
             },
@@ -40,7 +77,7 @@
                 "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 run --rm --name some-mariadb --env MARIADB_USER=devuser --env MARIADB_PASSWORD=devpw --env MARIADB_ROOT_PASSWORD=devrootpw --env MARIADB_DATABASE=karaoqueue -p 3306:3306 mariadb:latest",
+            "isBackground": true,
+            "activeOnStart": false
+        }
+    ]
+}

Dockerfile

@@ -8,4 +8,4 @@ RUN pip install Flask-BasicAuth
 
 RUN pip install bs4
 
-COPY ./app /app
+COPY ./backend /app

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/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() < app.config['MAX_QUEUE']:
+                if database.check_entry_quota(client_id) < app.config['ENTRY_QUOTA']:
+                    database.add_entry(name, song_id, client_id)
+                    return Response('{"status":"OK"}', mimetype='text/json')
+                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 +1,204 @@
+# -*- 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"
+
+connection = None
+
+
+def open_db() -> engine.base.Connection:
+    global connection
+    if (not connection):
+        print(current_app.config.get("DBCONNSTRING"))
+        engine = create_engine(current_app.config.get("DBCONNSTRING"))  # type: ignore
+        connection = engine.connect()
+    # cur.execute('PRAGMA encoding = "UTF-8";')
+    return connection
+
+
+def import_songs(song_csv):
+    print("Start importing Songs...")
+    df = pandas.read_csv(StringIO(song_csv), sep=';')
+    conn = open_db()
+    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
+    # 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 AUTO_INCREMENT, Song_Id INTEGER NOT NULL, Name VARCHAR(255), Client_Id VARCHAR(36), Transferred INTEGER DEFAULT 0)')
+    # conn.close()
+
+
+def create_done_song_table():
+    conn = open_db()
+    conn.execute('CREATE TABLE IF NOT EXISTS '+done_table +
+                 ' (Song_Id INTEGER PRIMARY KEY NOT NULL,  Plays INTEGER)')
+    # conn.close()
+
+
+def create_song_table():
+    conn = open_db()
+    conn.execute("CREATE TABLE IF NOT EXISTS `"+song_table+"""` (
+        `Id` INTEGER,
+        `Title` TEXT,
+        `Artist` TEXT,
+        `Year` INTEGER,
+        `Duo` INTEGER,
+        `Explicit` INTEGER,
+        `Date Added` TEXT,
+        `Styles` TEXT,
+        `Languages` TEXT
+    )""")
+    # conn.close()
+
+
+def create_list_view():
+    conn = open_db()
+    conn.execute("""CREATE OR REPLACE VIEW `Liste` AS
+                 SELECT Name, Title, Artist, entries.Id AS entry_ID, songs.Id AS song_ID, entries.Transferred
+                 FROM entries, songs
+                 WHERE entries.Song_Id=songs.Id""")
+    # conn.close()
+
+
+def create_done_song_view():
+    conn = open_db()
+    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""")
+    # conn.close()
+
+
+def get_list():
+    conn = open_db()
+    cur = conn.execute("SELECT * FROM Liste")
+    return cur.fetchall()
+
+
+def get_played_list():
+    conn = open_db()
+    cur = conn.execute("SELECT * FROM Abspielliste")
+    return cur.fetchall()
+
+
+def get_song_list():
+    conn = open_db()
+    cur = conn.execute(
+        "SELECT Artist || \" - \" || Title AS Song, Id FROM songs;")
+    return cur.fetchall()
+
+
+def get_song_completions(input_string):
+    conn = open_db()
+    # 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):
+    conn = open_db()
+    conn.execute(
+        "INSERT INTO entries (Song_Id,Name,Client_Id) VALUES(%s,%s,%s);", (song_id, name, client_id))
+    # conn.close()
+    return
+
+
+def add_sung_song(entry_id):
+    conn = open_db()
+    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;""")
+# SQLite bullshittery
+#    conn.execute("""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)"
+#                 )
+    delete_entry(entry_id)
+    # conn.close()
+    return True
+
+
+def toggle_transferred(entry_id):
+    conn = open_db()
+    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,))
+    # conn.close()
+    return True
+
+
+def check_entry_quota(client_id):
+    conn = open_db()
+    cur = conn.execute(
+        "SELECT Count(*) FROM entries WHERE entries.Client_Id = %s", (client_id,))
+    return cur.fetchall()[0][0]
+
+
+def check_queue_length():
+    conn = open_db()
+    cur = conn.execute("SELECT Count(*) FROM entries")
+    return cur.fetchall()[0][0]
+
+
+def clear_played_songs():
+    conn = open_db()
+    conn.execute("DELETE FROM done_songs")
+    # conn.close()
+    return True
+
+
+def delete_entry(id):
+    conn = open_db()
+    conn.execute("DELETE FROM entries WHERE id=%s", (id,))
+    # conn.close()
+    return True
+
+
+def delete_entries(ids):
+    idlist = []
+    for x in ids:
+        idlist.append((x,))
+    try:
+        conn = open_db()
+        cur = conn.execute("DELETE FROM entries WHERE id=%s", idlist)
+        # conn.close()
+        return cur.rowcount
+    except Exception as error:
+        return -1
+
+
+def delete_all_entries():
+    conn = open_db()
+    conn.execute("DELETE FROM entries")
+    # conn.close()
+    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/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

@@ -10,7 +10,7 @@
     <link rel="manifest" href="/static/manifest.webmanifest">
 
     <title>{% block title %}{% endblock %} - KaraoQueue</title>
-    
+
     <!-- Bootstrap-Tables -->
     <link rel="stylesheet" href="https://unpkg.com/bootstrap-table@1.15.3/dist/bootstrap-table.min.css">
 
@@ -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
+            <!--<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"><a class="text-muted" href="https://github.com/PhoenixTwoFive/karaoqueue">KaraoQueue</a> {{karaoqueue_version}} -&nbsp;2019-22 - 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>
     <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
+        src="https://unpkg.com/bootstrap-table@1.15.3/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>
@@ -38,22 +38,22 @@
 <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>`)
                     });
-    
+
                     $("#songtable").html("")
                     $(items.join("")).appendTo("#songtable");
                     entriesAccepted()
@@ -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',
@@ -87,43 +88,49 @@
             dataType: 'json'
         });
     }
-    
+
     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');
 
         });
-        
+
 
     }
 
+    {% 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 %}

backend/wsgi.py

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

docker-compose.prod.yml

@@ -0,0 +1,23 @@
+version: "3.9"
+services:
+  karaoqueue:
+    image: "phillipkhne/karaoqueue:latest"
+    restart: always
+    ports:
+      - "127.0.0.1:8081:80"
+    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: dpMAZj*Mc4%FZM!V
+      MARIADB_ROOT_HOST: localhost
+      MARIADB_DATABASE: karaoqueue
+      MARIADB_USER: karaoqueue
+      MARIADB_PASSWORD: a5G@P*^tCW$$w@wE