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

Feature/legacy/mariadb database

.gitignore

@@ -135,3 +135,6 @@ 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/Procfile

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

backend/app.py

@@ -1,16 +1,16 @@
-from flask import Flask, render_template, Response, abort, request, redirect
+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 errno
 import json
 from flask_basicauth import BasicAuth
+from helpers import nocache
 app = Flask(__name__, static_url_path='/static')
 
 basic_auth = BasicAuth(app)
-accept_entries = False
+accept_entries = True
-
 
 @app.route("/")
 def home():
@@ -20,7 +20,14 @@ def home():
         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)
@@ -63,22 +70,24 @@ def songlist():
 
 
 @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:
+    if entryquota.isnumeric() and int(entryquota) > 0:  # type: ignore
-        app.config['ENTRY_QUOTA'] = int(entryquota)
+        app.config['ENTRY_QUOTA'] = int(entryquota)  # type: ignore
     else:
         abort(400)
-    if maxqueue.isnumeric and int(maxqueue) > 0:
+    if maxqueue.isnumeric and int(maxqueue) > 0:  # type: ignore
-        app.config['MAX_QUEUE'] = int(maxqueue)
+        app.config['MAX_QUEUE'] = int(maxqueue)  # type: ignore
     else:
         abort(400)
 
@@ -86,24 +95,28 @@ def settings_post():
 
 
 @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()
@@ -114,18 +127,20 @@ def update_songs():
 
 
 @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)
-        list = database.get_song_completions(input_string=input_string)
+        result = [list(x) for x in database.get_song_completions(input_string=input_string)]
-        return Response(json.dumps(list, ensure_ascii=False).encode('utf-8'), mimetype='text/json')
+        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):
@@ -135,6 +150,7 @@ def delete_entry(entry_id):
 
 
 @app.route("/api/entries/delete", methods=['POST'])
+@nocache
 @basic_auth.required
 def delete_entries():
     if not request.json:
@@ -149,6 +165,7 @@ def delete_entries():
 
 
 @app.route("/api/entries/mark_sung/<entry_id>")
+@nocache
 @basic_auth.required
 def mark_sung(entry_id):
     if database.add_sung_song(entry_id):
@@ -156,8 +173,18 @@ def mark_sung(entry_id):
     else:
         return Response('{"status": "FAIL"}', mimetype='text/json')
 
+@app.route("/api/entries/mark_transferred/<entry_id>")
+@nocache
+@basic_auth.required
+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
@@ -169,12 +196,14 @@ def set_accept_entries(value):
 
 
 @app.route("/api/entries/accept")
+@nocache
 def get_accept_entries():
     global accept_entries
     return Response('{"status": "OK", "value": '+str(int(accept_entries))+'}', mimetype='text/json')
 
 
 @app.route("/api/played/clear")
+@nocache
 @basic_auth.required
 def clear_played_songs():
     if database.clear_played_songs():
@@ -184,6 +213,7 @@ def clear_played_songs():
 
 
 @app.route("/api/entries/delete_all")
+@nocache
 @basic_auth.required
 def delete_all_entries():
     if database.delete_all_entries():
@@ -200,6 +230,8 @@ def admin():
 
 @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()
@@ -209,5 +241,21 @@ def activate_job():
     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/database.py

@@ -1,193 +0,0 @@
-# -*- coding: utf_8 -*-
-
-import sqlite3
-import pandas
-from io import StringIO
-
-song_table = "songs"
-entry_table = "entries"
-index_label = "Id"
-done_table = "done_songs"
-
-
-def open_db():
-    conn = sqlite3.connect("/tmp/karaoqueue.db")
-    conn.execute('PRAGMA encoding = "UTF-8";')
-    return conn
-
-
-def import_songs(song_csv):
-    print("Start importing Songs...")
-    df = pandas.read_csv(StringIO(song_csv), sep=';')
-    conn = open_db()
-    cur = conn.cursor()
-    df.to_sql(song_table, conn, if_exists='replace',
-              index=False)
-    cur.execute("SELECT Count(Id) FROM songs")
-    num_songs = cur.fetchone()[0]
-    conn.close()
-    print("Imported songs ({} in Database)".format(num_songs))
-    return("Imported songs ({} in Database)".format(num_songs))
-
-
-def create_entry_table():
-    conn = open_db()
-    conn.execute('CREATE TABLE IF NOT EXISTS '+entry_table +
-                 ' (ID INTEGER PRIMARY KEY NOT NULL, Song_Id INTEGER NOT NULL, Name VARCHAR(255), Client_Id VARCHAR(36))')
-    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, client_id):
-    conn = open_db()
-    cur = conn.cursor()
-    cur.execute(
-        "INSERT INTO entries (Song_Id,Name,Client_Id) VALUES(?,?,?);", (song_id, name, client_id))
-    conn.commit()
-    conn.close()
-    return
-
-
-def add_sung_song(entry_id):
-    conn = open_db()
-    cur = conn.cursor()
-    cur.execute("""SELECT Song_Id FROM entries WHERE Id=?""", (entry_id,))
-    song_id = cur.fetchone()[0]
-    cur.execute("""INSERT OR REPLACE INTO done_songs (Song_Id, Plays)
-                VALUES("""+str(song_id)+""",
-                       COALESCE(
-                           (SELECT Plays FROM done_songs
-                            WHERE Song_Id="""+str(song_id)+"), 0) + 1)"
-                )
-    conn.commit()
-    delete_entry(entry_id)
-    conn.close()
-    return True
-
-
-def check_entry_quota(client_id):
-    conn = open_db()
-    cur = conn.cursor()
-    cur.execute("SELECT Count(*) FROM entries WHERE entries.Client_Id = ?", (client_id,))
-    return cur.fetchall()[0][0]
-
-def check_queue_length():
-    conn = open_db()
-    cur = conn.cursor()
-    cur.execute("SELECT Count(*) FROM entries")
-    return cur.fetchall()[0][0]
-
-def clear_played_songs():
-    conn = open_db()
-    cur = conn.cursor()
-    cur.execute("DELETE FROM done_songs")
-    conn.commit()
-    conn.close()
-    return True
-
-
-def delete_entry(id):
-    conn = open_db()
-    cur = conn.cursor()
-    cur.execute("DELETE FROM entries WHERE id=?", (id,))
-    conn.commit()
-    conn.close()
-    return True
-
-
-def delete_entries(ids):
-    idlist = []
-    for x in ids:
-        idlist.append((x,))
-    try:
-        conn = open_db()
-        cur = conn.cursor()
-        cur.executemany("DELETE FROM entries WHERE id=?", idlist)
-        conn.commit()
-        conn.close()
-        return cur.rowcount
-    except sqlite3.Error as error:
-        return -1
-
-
-def delete_all_entries():
-    conn = open_db()
-    cur = conn.cursor()
-    cur.execute("DELETE FROM entries")
-    conn.commit()
-    conn.close()
-    return True

backend/app/helpers.py

@@ -1,49 +0,0 @@
-import requests
-from bs4 import BeautifulSoup
-import json
-import os
-import uuid
-
-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 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 setup_config(app):
-    if check_config_exists():
-        config = json.load(open(config_file))
-        with open(config_file, 'r') as handle:
-            config = json.load(handle)
-        print("Loaded existing config")
-    else:
-        config = {'username': 'admin', 'password': 'changeme', 'entryquota': 3, 'maxqueue': 20}
-        with open(config_file, 'w') as handle:
-            json.dump(config, handle, indent=4, sort_keys=True)
-        print("Wrote new config")
-    app.config['BASIC_AUTH_USERNAME'] = config['username']
-    app.config['BASIC_AUTH_PASSWORD'] = config['password']
-    app.config['ENTRY_QUOTA'] = config['entryquota']
-    app.config['MAX_QUEUE'] = config['maxqueue']

backend/app/requirements.txt

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

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

backend/templates/base.html

@@ -75,7 +75,7 @@
             {% 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 (stale branch) -&nbsp;<span>&copy</span>&nbsp;2019-2021 - Phillip
+            <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>

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()
         })
@@ -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/songlist.html

@@ -111,6 +111,7 @@
 
     }
 
+    {% if not auth %}
     function entriesAccepted() {
         $.getJSON("/api/entries/accept", (data, out) => {
             if (data["value"] == 0) {
@@ -125,6 +126,11 @@
 
         })
     }
+    {% 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