Update devcontainer.json

Existing parts of frontend can access backend.

.devcontainer/devcontainer.json

@@ -1,32 +1,40 @@
 {
-    "image": "mcr.microsoft.com/devcontainers/universal:2",
-    "hostRequirements": {
-      "cpus": 4
+  "image": "mcr.microsoft.com/devcontainers/universal:2",
+  "hostRequirements": {
+    "cpus": 4
+  },
+  "waitFor": "onCreateCommand",
+  "onCreateCommand": "curl -LsS https://r.mariadb.com/downloads/mariadb_repo_setup | sudo bash && sudo apt install -y libmariadb3 libmariadb-dev",
+  "updateContentCommand": "pip install -r backend/requirements.txt",
+  "portsAttributes": {
+    "5000": {
+      "label": "Application",
+      "onAutoForward": "openPreview"
+    }
+  },
+  "customizations": {
+    "codespaces": {
+      "openFiles": [
+        "templates/index.html"
+      ]
     },
-    "waitFor": "onCreateCommand",
-    "updateContentCommand": "pip install -r requirements.txt",
-    "postCreateCommand": "",
-    "postAttachCommand": {
-      "server": "flask --debug run"
-    },
-    "portsAttributes": {
-      "5000": {
-        "label": "Application",
-        "onAutoForward": "openPreview"
-      }
-    },
-    "customizations": {
-      "codespaces": {
-        "openFiles": [
-          "templates/index.html"
-        ]
-      },
-      "vscode": {
-        "extensions": [
-          "ms-python.python"
-        ]
-      }
-    },
-    "forwardPorts": [5000]
-  }
-  
+    "vscode": {
+      "extensions": [
+		"ms-python.python",
+		"batisteo.vscode-django",
+		"ms-python.flake8",
+		"ms-python.isort",
+		"ms-python.vscode-pylance",
+		"redhat.vscode-yaml",
+		"ms-azuretools.vscode-docker",
+		"donjayamanne.python-extension-pack"
+	]
+    }
+  },
+"forwardPorts": [
+  5000
+],
+"features": {
+  "ghcr.io/devcontainers-contrib/features/angular-cli:2": {}
+}
+}

.gitignore

@@ -87,7 +87,7 @@ ipython_config.py
 #   However, in case of collaboration, if having platform-specific dependencies or dependencies
 #   having no cross-platform support, pipenv may install dependencies that don't work, or not
 #   install all needed dependencies.
-#Pipfile.lock
+Pipfile.lock
 
 # celery beat schedule file
 celerybeat-schedule
@@ -139,5 +139,7 @@ node_modules/
 # Version identification file
 .version
 
+**/.angular/
+
 # Docker secrets
-secrets.yml
+secrets.yml

.vscode/launch.json

@@ -4,6 +4,13 @@
     // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
     "version": "0.2.0",
     "configurations": [
+        {
+            "command": "npm start",
+            "name": "Run npm start",
+            "request": "launch",
+            "type": "node-terminal",
+            "cwd": "${workspaceFolder}/frontend/ng-karaoqueue"
+        },
         {
             "preLaunchTask": "mariadb",
             "name": "Python: Flask",

.vscode/settings.json

@@ -9,8 +9,6 @@
     ],
     "python.testing.pytestEnabled": false,
     "python.testing.unittestEnabled": true,
-    "python.linting.pylintEnabled": false,
-    "python.linting.flake8Enabled": true,
     "emmet.includeLanguages": {
         "django-html": "html"
     }

.vscode/tasks.json

@@ -1,5 +1,5 @@
 {
-    // See https://go.microsoft.com/fwlink/?LinkId=733558
+    // See https://go.microsoft.com/fwlink/?LinkId=733558 
     // for the documentation about the tasks.json format
     "version": "2.0.0",
     "tasks": [
@@ -9,12 +9,20 @@
             "command": "echo \"$(git rev-parse --abbrev-ref HEAD)-$(git describe)\"> ${workspaceFolder}/backend/.version",
             "problemMatcher": []
         },
+        {
+            "label": "Start Frontend",
+            "type": "npm",
+            "script": "start",
+            "path": "frontend/ng-karaoqueue/",
+            "problemMatcher": [
+                "$tsc"
+            ]
+        },
         {
             "label": "mariadb",
             "type": "shell",
             "command": "docker-compose -f docker-compose.yml up --remove-orphans",
             "isBackground": true,
-            "activeOnStart": false
         }
     ]
 }

Dockerfile

@@ -1,12 +1,16 @@
 FROM tiangolo/meinheld-gunicorn-flask:python3.9
 
-RUN apt-key adv --recv-keys --keyserver keyserver.ubuntu.com 0xcbcb082a1bb943db
-RUN curl -LsS https://downloads.mariadb.com/MariaDB/mariadb_repo_setup | bash
+# Currently unusable, mariadb is not available through installer for debian 12
+# RUN apt-key adv --recv-keys --keyserver keyserver.ubuntu.com 0xcbcb082a1bb943db
+# RUN curl -LsS https://downloads.mariadb.com/MariaDB/mariadb_repo_setup | bash
 
 RUN apt-get update
 RUN apt-get upgrade -y
 RUN apt-get dist-upgrade
 
+# In the meantime, acquire the mariadb packages through apt
+RUN apt-get install -y libmariadb3 libmariadb-dev
+
 COPY ./backend/requirements.txt /app/requirements.txt
 
 RUN pip install --no-cache-dir --upgrade -r /app/requirements.txt

KaraokeWarkeliste.code-workspace

@@ -0,0 +1,13 @@
+{
+	"folders": [
+		{
+			"path": "./frontend/ng-karaoqueue"
+		},
+		{
+			"path": "backend"
+		},
+		{
+			"path": "docs"
+		}
+	]
+}

backend/Pipfile

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

backend/app.py

@@ -7,7 +7,10 @@ import os
 import json
 from flask_basicauth import BasicAuth
 from helpers import nocache
+from flask_cors import CORS
+
 app = Flask(__name__, static_url_path='/static')
+CORS(app)
 
 basic_auth = BasicAuth(app)
 accept_entries = True
@@ -37,7 +40,7 @@ def enqueue():
     if not helpers.is_valid_uuid(client_id):
         print(request.data)
         abort(400)
-    name = request.json['name']
+    name = request.json['name'].strip()
     song_id = request.json['id']
     if request.authorization:
         entry_id = database.add_entry(name, song_id, client_id)
@@ -155,7 +158,27 @@ def get_song_completions(input_string=""):
 
     else:
         return 400
+    
+    
+@app.route("/api/songs/search")
+@nocache
+def query_songs_with_details(input_string=""):
+    input_string = request.args.get("q", input_string)
+    if input_string == "":
+        return Response(status=400)
+    result = []
+    for x in database.get_songs_with_details(input_string):
+        # Turn row into dict. Add field labels.
+        result.append(dict(zip(['karafun_id', 'title', 'artist', 'year', 'duo', 'explicit', 'styles', 'languages'], x)))
+    return jsonify(result)
 
+@app.route("/api/songs/details/<song_id>")
+def get_song_details(song_id):
+    result = database.get_song_details(song_id)
+    if result is None:
+        abort(404)
+    else:
+        return jsonify(dict(zip(['karafun_id', 'title', 'artist', 'year', 'duo', 'explicit', 'styles', 'languages'], result[0])))
 
 @app.route("/api/entries/delete/<entry_id>", methods=['GET'])
 @nocache
@@ -272,17 +295,17 @@ def get_current_event():
     return Response('{"status": "OK", "event": "' + helpers.get_current_event_id(app) + '"}', mimetype='text/json')
 
 
-@app.before_first_request
 def activate_job():
-    helpers.load_dbconfig(app)
-    helpers.load_version(app)
-    database.create_entry_table()
-    database.create_song_table()
-    database.create_done_song_table()
-    database.create_list_view()
-    database.create_done_song_view()
-    database.create_config_table()
-    helpers.setup_config(app)
+    with app.app_context():    
+        helpers.load_dbconfig(app)
+        helpers.load_version(app)
+        database.create_entry_table()
+        database.create_song_table()
+        database.create_done_song_table()
+        database.create_list_view()
+        database.create_done_song_view()
+        database.create_config_table()
+        helpers.setup_config(app)
 
 
 @app.after_request
@@ -300,6 +323,8 @@ def add_header(response):
 def inject_version():
     return dict(karaoqueue_version=app.config['VERSION'])
 
+# Perform setup here so it will be executed when the module is imported by the WSGI server.
+activate_job()
 
 if __name__ == "__main__":
     app.run(host='127.0.0.1', port=8080, debug=True)

backend/database.py

@@ -62,7 +62,9 @@ def create_song_table():
         `Explicit` INTEGER,
         `Date Added` TIMESTAMP,
         `Styles` TEXT,
-        `Languages` TEXT
+        `Languages` TEXT,
+        PRIMARY KEY (`Id`),
+        FULLTEXT KEY (`Title`,`Artist`)
         )""")
         conn.execute(stmt)
         conn.commit()
@@ -123,14 +125,47 @@ def get_song_list():
 
 def get_song_completions(input_string):
     with get_db_engine().connect() as conn:
-        prepared_string = f"%{input_string.upper()}%"
+        prepared_string = f"{input_string}"
+        prepared_string_with_wildcard = f"%{input_string}%"
         stmt = text(
-            "SELECT CONCAT(Artist, ' - ', Title) AS Song, Id FROM songs WHERE CONCAT(Artist, ' - ', Title) LIKE :prepared_string LIMIT 20;")
+            """
+            SELECT CONCAT(Artist, ' - ', Title) AS Song, Id FROM songs
+            WHERE MATCH(Artist, Title) 
+            AGAINST (:prepared_string IN NATURAL LANGUAGE MODE)
+            LIMIT 20;
+            """)
         cur = conn.execute(
-            stmt, {"prepared_string": prepared_string})  # type: ignore
+            stmt, {"prepared_string": prepared_string, "prepared_string_with_wildcard": prepared_string_with_wildcard})  # type: ignore
         return cur.fetchall()
 
 
+def get_songs_with_details(input_string: str):
+    with get_db_engine().connect() as conn:
+        prepared_string = f"%{input_string}"
+        stmt = text(
+            """
+            SELECT Id, Title, Artist, Year, Duo, Explicit, Styles, Languages FROM songs 
+            WHERE MATCH(Artist, Title)
+            AGAINST (:prepared_string IN NATURAL LANGUAGE MODE)
+            LIMIT 20;
+            """
+        )
+        cur = conn.execute(
+            stmt, {"prepared_string": prepared_string})
+        return cur.fetchall()
+
+def get_song_details(song_id: int):
+    with get_db_engine().connect() as conn:
+        stmt = text(
+            """
+            SELECT Id, Title, Artist, Year, Duo, Explicit, Styles, Languages FROM songs 
+            WHERE Id = :song_id;
+            """
+        )
+        cur = conn.execute(
+            stmt, {"song_id": song_id})
+        return cur.fetchall()
+
 def add_entry(name, song_id, client_id):
     with get_db_engine().connect() as conn:
         stmt = text(

backend/helpers.py

@@ -91,8 +91,8 @@ def setup_config(app: Flask):
             exit()
         default_config = {'username': initial_username,
                           'password': initial_password,
-                          'entryquota': 3,
-                          'maxqueue': 20,
+                          'entryquota': 2,
+                          'maxqueue': 10,
                           'entries_allowed': 1,
                           'theme': 'default.css'}
         for key, value in default_config.items():

backend/requirements.txt

@@ -5,7 +5,7 @@ certifi==2022.12.7
 charset-normalizer==3.1.0
 click==8.1.3
 flake8==6.0.0
-Flask==2.2.3
+Flask==2.3.2
 Flask-BasicAuth==0.2.0
 greenlet==2.0.2
 gunicorn==20.1.0
@@ -25,7 +25,7 @@ pyflakes==3.0.1
 PyMySQL==1.0.3
 python-dateutil==2.8.2
 pytz==2023.3
-requests==2.28.2
+requests==2.31.0
 six==1.16.0
 soupsieve==2.4
 SQLAlchemy==2.0.7
@@ -34,3 +34,4 @@ tomli==2.0.1
 typing_extensions==4.5.0
 urllib3==1.26.15
 Werkzeug==2.2.3
+flask_cors==4.0.0

backend/templates/main_admin.html

@@ -187,15 +187,16 @@
     function TableActions(value, row, index) {
         let outerHTML = ""
         if (row.Transferred == 1) {
-            outerHTML = "<button type=\"button\" class=\"btn btn-default\" data-toggle=\"tooltip\" data-placement=\"top\" title=\"Markierung zurückziehen\" onclick=\"event.stopPropagation();$(this).tooltip('dispose');markEntryAsTransferred(" + row.entry_ID + ")\"><i class=\"fas fa-backward\"></i></button>&nbsp;<button type=\"button\" class=\"btn btn-success\" data-toggle=\"tooltip\" data-placement=\"top\" title=\"Als gesungen markieren\" onclick=\"event.stopPropagation();$(this).tooltip('dispose');markEntryAsSung(" + row.entry_ID + ")\"><i class=\"fas fa-check\"></i></button>&nbsp;<button type=\"button\" class=\"btn btn-danger\" data-toggle=\"tooltip\" data-placement=\"top\" title=\"Eintrag löschen\" onclick=\"event.stopPropagation();$(this).tooltip('dispose');confirmDeleteEntry('" + row.Name + "'," + row.entry_ID + ")\"><i class=\"fas fa-trash\"></i></button>";
+            outerHTML = "<button type=\"button\" class=\"btn btn-default\" data-toggle=\"tooltip\" data-placement=\"top\" title=\"Markierung zurückziehen\" onclick=\"event.stopPropagation();$(this).tooltip('dispose');markEntryAsTransferred(" + row.entry_ID + ")\"><i class=\"fas fa-backward\"></i></button>&nbsp;<button type=\"button\" class=\"btn btn-success\" data-toggle=\"tooltip\" data-placement=\"top\" title=\"Als gesungen markieren\" onclick=\"event.stopPropagation();$(this).tooltip('dispose');markEntryAsSung(" + row.entry_ID + ")\"><i class=\"fas fa-check\"></i></button>&nbsp;<button type=\"button\" class=\"btn btn-danger\" data-toggle=\"tooltip\" data-placement=\"top\" title=\"Eintrag löschen\" onclick=\"event.stopPropagation();$(this).tooltip('dispose');confirmDeleteEntry(this.parentElement.parentElement.children[1].innerText," + row.entry_ID + ")\"><i class=\"fas fa-trash\"></i></button>";
         } else {
-            outerHTML = "<button type=\"button\" class=\"btn btn-info\" data-toggle=\"tooltip\" data-placement=\"top\" title=\"Als übertragen markieren\" onclick=\"event.stopPropagation();$(this).tooltip('dispose');markEntryAsTransferred(" + row.entry_ID + ")\"><i class=\"fas fa-exchange-alt\"></i></button>&nbsp;<button type=\"button\" class=\"btn btn-success\" data-toggle=\"tooltip\" data-placement=\"top\" title=\"Als gesungen markieren\" onclick=\"event.stopPropagation();$(this).tooltip('dispose');markEntryAsSung(" + row.entry_ID + ")\"><i class=\"fas fa-check\"></i></button>&nbsp;<button type=\"button\" class=\"btn btn-danger\" data-toggle=\"tooltip\" data-placement=\"top\" title=\"Eintrag löschen\" onclick=\"event.stopPropagation();$(this).tooltip('dispose');confirmDeleteEntry('" + row.Name + "'," + row.entry_ID + ")\"><i class=\"fas fa-trash\"></i></button>";
+            outerHTML = "<button type=\"button\" class=\"btn btn-info\" data-toggle=\"tooltip\" data-placement=\"top\" title=\"Als übertragen markieren\" onclick=\"event.stopPropagation();$(this).tooltip('dispose');markEntryAsTransferred(" + row.entry_ID + ")\"><i class=\"fas fa-exchange-alt\"></i></button>&nbsp;<button type=\"button\" class=\"btn btn-success\" data-toggle=\"tooltip\" data-placement=\"top\" title=\"Als gesungen markieren\" onclick=\"event.stopPropagation();$(this).tooltip('dispose');markEntryAsSung(" + row.entry_ID + ")\"><i class=\"fas fa-check\"></i></button>&nbsp;<button type=\"button\" class=\"btn btn-danger\" data-toggle=\"tooltip\" data-placement=\"top\" title=\"Eintrag löschen\" onclick=\"event.stopPropagation();$(this).tooltip('dispose');confirmDeleteEntry(this.parentElement.parentElement.children[1].innerText," + row.entry_ID + ")\"><i class=\"fas fa-trash\"></i></button>";
         }
         return outerHTML;
     }
 
     function CopyFormatter(value, row, index) {
-        return "<span onclick='copyAndNotify(\""+value+"\")'>"+value+"</span>";
+        let escapedString = value.replace("\"","\\\"").replace("\'", "\\\'")
+        return "<span onclick='copyAndNotify(this.innerText)'>"+value+"</span>";
     }
 
     function getIdSelections() {

backend/templates/songlist.html

@@ -67,6 +67,9 @@
             e.preventDefault();
             submitModal();
         });
+        $('#enqueueModal').on('shown.bs.modal', function (e) {
+            $("#singerNameInput").focus();
+        })
     });
 
 

docker-compose.prod.yml

@@ -6,7 +6,7 @@ secrets:
 
 services:
   karaoqueue:
-    image: "ghcr.io/phoenixtwofive/karaoqueue:v2023.04"
+    image: "ghcr.io/phoenixtwofive/karaoqueue:v2023.06"
     build: .
     restart: always
     ports:

docs/swagger.yaml

@@ -0,0 +1,233 @@
+openapi: 3.0.2
+info:
+  title: Karaoqueue API
+  version: '0.0.1'
+servers:
+  - url: 'http://localhost:3000/api'
+    description: Local Test sever instance
+  - url: 'https://karaoke.phillipathome.dynv6.net/api'
+    description: Production API    
+
+paths:
+  /api/enqueue:
+    post:
+      summary: "Enqueue a song"
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              type: object
+              properties:
+                client_id:
+                  type: string
+                name:
+                  type: string
+                id:
+                  type: string
+      responses:
+        '200':
+          description: "Song enqueued successfully"
+        '400':
+          description: "Bad request, JSON is required"
+        '423':
+          description: "Cannot enqueue, conditions not met"
+
+  /api/queue:
+    get:
+      summary: "Get the queue"
+      responses:
+        '200':
+          description: "Queue retrieved successfully"
+          content:
+            application/json:
+              schema:
+                type: array
+                items:
+                  type: object
+
+  /api/songs:
+    get:
+      summary: "Get the list of songs"
+      responses:
+        '200':
+          description: "List of songs retrieved successfully"
+          content:
+            application/json:
+              schema:
+                type: array
+                items:
+                  type: object
+
+  /api/songs/update:
+    get:
+      summary: "Update the list of songs"
+      responses:
+        '200':
+          description: "Songs updated successfully"
+        '400':
+          description: "Bad request"
+
+  /api/songs/compl:
+    get:
+      summary: "Get song completions"
+      parameters:
+        - name: search
+          in: query
+          required: false
+          schema:
+            type: string
+      responses:
+        '200':
+          description: "Song completions retrieved successfully"
+          content:
+            application/json:
+              schema:
+                type: array
+                items:
+                  type: object
+        '400':
+          description: "Bad request"
+
+  /api/entries/delete/{entry_id}:
+    get:
+      summary: "Admin deletes an entry"
+      parameters:
+        - name: entry_id
+          in: path
+          required: true
+          schema:
+            type: string
+      responses:
+        '200':
+          description: "Entry deleted successfully"
+        '400':
+          description: "Entry deletion failed"
+
+    post:
+      summary: "User deletes an entry"
+      parameters:
+        - name: entry_id
+          in: path
+          required: true
+          schema:
+            type: string
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              type: object
+              properties:
+                client_id:
+                  type: string
+      responses:
+        '200':
+          description: "Entry deleted successfully"
+        '400':
+          description: "Bad request, JSON is required"
+        '403':
+          description: "Forbidden, client_id mismatch"
+
+  /api/entries/delete:
+    post:
+      summary: "Delete multiple entries"
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              type: array
+              items:
+                type: string
+      responses:
+        '200':
+          description: "Entries deleted successfully"
+        '400':
+          description: "Bad request, JSON is required"
+
+  /api/entries/mark_sung/{entry_id}:
+    get:
+      summary: "Mark an entry as sung"
+      parameters:
+        - name: entry_id
+          in: path
+          required: true
+          schema:
+            type: string
+      responses:
+        '200':
+          description: "Entry marked as sung successfully"
+        '400':
+          description: "Marking entry as sung failed"
+
+  /api/entries/mark_transferred/{entry_id}:
+    get:
+      summary: "Toggle transferred status of an entry"
+      parameters:
+        - name: entry_id
+          in: path
+          required: true
+          schema:
+            type: string
+      responses:
+        '200':
+          description: "Entry transferred status toggled successfully"
+        '400':
+          description: "Toggling transferred status failed"
+
+  /api/entries/accept/{value}:
+    get:
+      summary: "Set accept entries status"
+      parameters:
+        - name: value
+          in: path
+          required: true
+          schema:
+            type: string
+      responses:
+        '200':
+          description: "Accept entries status set successfully"
+        '400':
+          description: "Setting accept entries status failed"
+
+  /api/entries/accept:
+    get:
+      summary: "Get accept entries status"
+      responses:
+        '200':
+          description: "Accept entries status retrieved successfully"
+
+  /api/played/clear:
+    get:
+      summary: "Clear played songs"
+      responses:
+        '200':
+          description: "Played songs cleared successfully"
+        '400':
+          description: "Clearing played songs failed"
+
+  /api/entries/delete_all:
+    get:
+      summary: "Delete all entries"
+      responses:
+        '200':
+          description: "All entries deleted successfully"
+        '400':
+          description: "Deleting all entries failed"
+
+  /api/events/current:
+    get:
+      summary: "Get the current event"
+      responses:
+        '200':
+          description: "Current event retrieved successfully"
+
+security:
+  - BasicAuth: []
+
+components:
+  securitySchemes:
+    BasicAuth:
+      type: http
+      scheme: basic

frontend/ng-karaoqueue/.vscode/launch.json

@@ -0,0 +1,25 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+      {
+        "type": "firefox",
+        "request": "launch",
+        "reAttach": true,
+        "name": "Launch Firefox against localhost",
+        "url": "http://localhost:4200",
+        "webRoot": "${workspaceFolder}"
+      },
+
+      {
+          "type": "chrome",
+          "request": "launch",
+          "name": "Launch Chrome against localhost",
+          "url": "http://localhost:4200",
+          "webRoot": "${workspaceFolder}",
+          "runtimeExecutable": "/usr/bin/chromium"
+      }
+    ]
+}

frontend/ng-karaoqueue/.vscode/tasks.json

@@ -0,0 +1,26 @@
+{
+    // See https://go.microsoft.com/fwlink/?LinkId=733558
+    // for the documentation about the tasks.json format
+    "version": "2.0.0",
+    "tasks": [
+        {
+            "type": "npm",
+            "script": "start",
+            "group": "build",
+            "problemMatcher": []
+        },
+        {
+            "type": "npm",
+            "script": "build",
+            "group": "build",
+            "problemMatcher": []
+        },
+        {
+            "type": "npm",
+            "script": "serve",
+            "problemMatcher": [
+                "$tsc"
+            ]
+        }
+    ]
+}

frontend/ng-karaoqueue/angular.json

@@ -0,0 +1,139 @@
+{
+  "$schema": "./node_modules/@angular/cli/lib/config/schema.json",
+  "version": 1,
+  "newProjectRoot": "projects",
+  "projects": {
+    "ng-karaoqueue": {
+      "projectType": "application",
+      "schematics": {},
+      "root": "",
+      "sourceRoot": "src",
+      "prefix": "app",
+      "architect": {
+        "build": {
+          "builder": "@angular-devkit/build-angular:browser",
+          "options": {
+            "preserveSymlinks": true,
+            "outputPath": "dist/ng-karaoqueue",
+            "index": "src/index.html",
+            "main": "src/main.ts",
+            "polyfills": "src/polyfills.ts",
+            "tsConfig": "src/tsconfig.json",
+            "aot": false,
+            "assets": [
+              "src/favicon.ico",
+              "src/assets",
+               {
+                 "glob": "mdi.svg",
+                 "input": "node_modules/@mdi/angular-material/",
+                 "output": "/assets/"
+               }
+            ],
+            "styles": [
+              "src/custom-theme.scss",
+              "src/styles.scss"
+            ],
+            "scripts": [],
+            "vendorChunk": true,
+            "extractLicenses": false,
+            "buildOptimizer": false,
+            "sourceMap": true,
+            "optimization": false,
+            "namedChunks": true
+          },
+          "configurations": {
+            "production": {
+              "fileReplacements": [
+                {
+                  "replace": "src/environments/environment.ts",
+                  "with": "src/environments/environment.prod.ts"
+                }
+              ],
+              "optimization": true,
+              "outputHashing": "all",
+              "sourceMap": false,
+              "namedChunks": false,
+              "aot": true,
+              "extractLicenses": true,
+              "vendorChunk": false,
+              "buildOptimizer": true,
+              "budgets": [
+                {
+                  "type": "initial",
+                  "maximumWarning": "2mb",
+                  "maximumError": "5mb"
+                },
+                {
+                  "type": "anyComponentStyle",
+                  "maximumWarning": "6kb",
+                  "maximumError": "10kb"
+                }
+              ]
+            }
+          },
+          "defaultConfiguration": ""
+        },
+        "serve": {
+          "builder": "@angular-devkit/build-angular:dev-server",
+          "options": {
+            "browserTarget": "ng-karaoqueue:build"
+          },
+          "configurations": {
+            "production": {
+              "browserTarget": "ng-karaoqueue:build:production"
+            }
+          }
+        },
+        "extract-i18n": {
+          "builder": "@angular-devkit/build-angular:extract-i18n",
+          "options": {
+            "browserTarget": "ng-karaoqueue:build"
+          }
+        },
+        "test": {
+          "builder": "@angular-devkit/build-angular:karma",
+          "options": {
+            "main": "src/test.ts",
+            "polyfills": "src/polyfills.ts",
+            "tsConfig": "tsconfig.spec.json",
+            "karmaConfig": "karma.conf.js",
+            "assets": [
+              "src/favicon.ico",
+              "src/assets",
+              {
+                "glob": "mdi.svg",
+                "input": "node_modules/@mdi/angular-material/",
+                "output": "/assets/"
+              }
+            ],
+            "styles": [
+              "./app/custom-theme.scss",
+              "src/styles.scss"
+            ],
+            "scripts": []
+          }
+        },
+        "e2e": {
+          "builder": "@angular-devkit/build-angular:protractor",
+          "options": {
+            "protractorConfig": "e2e/protractor.conf.js",
+            "devServerTarget": "ng-karaoqueue:serve"
+          },
+          "configurations": {
+            "production": {
+              "devServerTarget": "ng-karaoqueue:serve:production"
+            }
+          }
+        }
+      }
+    }
+  },
+  "schematics": {
+    "@schematics/angular:component": {
+      "style": "scss"
+    }
+  },
+  "cli": {
+    "analytics": false
+  }
+}

frontend/ng-karaoqueue/package.json

@@ -0,0 +1,51 @@
+{
+  "name": "ng-karaoqueue",
+  "version": "0.0.0",
+  "scripts": {
+    "ng": "ng",
+    "start": "ng serve",
+    "serve": "ng serve --host=0.0.0.0",
+    "build": "ng build",
+    "test": "ng test",
+    "lint": "ng lint",
+    "e2e": "ng e2e"
+  },
+  "private": true,
+  "dependencies": {
+    "@angular/animations": "^16.2.7",
+    "@angular/cdk": "^16.2.6",
+    "@angular/common": "^16.2.7",
+    "@angular/compiler": "^16.2.7",
+    "@angular/core": "^16.2.7",
+    "@angular/forms": "^16.2.7",
+    "@angular/material": "^16.2.6",
+    "@angular/platform-browser": "^16.2.7",
+    "@angular/platform-browser-dynamic": "^16.2.7",
+    "@angular/router": "^16.2.7",
+    "@mdi/angular-material": "^7.2.96",
+    "hammerjs": "^2.0.8",
+    "rxjs": "~7.8.1",
+    "tslib": "^2.6.2",
+    "zone.js": "~0.14.0"
+  },
+  "devDependencies": {
+    "@angular-devkit/build-angular": "^16.2.4",
+    "@angular/cli": "^16.2.4",
+    "@angular/compiler-cli": "^16.2.7",
+    "@angular/language-service": "^16.2.7",
+    "@types/jasmine": "~4.3.6",
+    "@types/jasminewd2": "~2.0.11",
+    "@types/node": "~20.7.2",
+    "jasmine-core": "~5.1.1",
+    "jasmine-spec-reporter": "~7.0.0",
+    "karma": "~6.4.2",
+    "karma-chrome-launcher": "~3.2.0",
+    "karma-coverage-istanbul-reporter": "~3.0.3",
+    "karma-jasmine": "~5.1.0",
+    "karma-jasmine-html-reporter": "^2.1.0",
+    "protractor": "~7.0.0",
+    "ts-node": "~10.9.1",
+    "tslint": "~6.1.0",
+    "typescript": "~5.2.2"
+  }
+}

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

@@ -0,0 +1,16 @@
+import { EntryListingComponent } from './entry-listing/entry-listing.component';
+import { NgModule } from '@angular/core';
+import { Routes, RouterModule } from '@angular/router';
+import { SongSearchComponent } from './song-search/song-search.component';
+
+
+const routes: Routes = [
+  {path: '', component: EntryListingComponent },
+  {path: 'songs', component: SongSearchComponent}
+];
+
+@NgModule({
+  imports: [RouterModule.forRoot(routes)],
+  exports: [RouterModule]
+})
+export class AppRoutingModule { }

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

@@ -0,0 +1,11 @@
+<div>
+  <mat-toolbar color="primary" class="mat-elevation-z6">
+    <span>KaraoQueue</span>
+    <span>&nbsp;</span>
+    <a mat-button routerLink="/" [routerLinkActive]="['is-active']">Warteschlange</a>
+    <a mat-button routerLink="/songs" [routerLinkActive]="['is-active']">Songs</a>
+    <div class="spacer"></div>
+    <a mat-stroked-button>Login</a>
+  </mat-toolbar>
+</div>
+<router-outlet></router-outlet>

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

@@ -0,0 +1,7 @@
+.spacer {
+  flex: 1 1 auto;
+}
+
+.is-active {
+  background-color: rgba(255,255,255,0.1);
+}

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

@@ -0,0 +1,16 @@
+import { Component, OnInit } from '@angular/core';
+ 
+
+@Component({
+  selector: 'app-root',
+  templateUrl: './app.component.html',
+  styleUrls: ['./app.component.scss']
+})
+export class AppComponent implements OnInit{
+
+  constructor() {}
+  ngOnInit(): void {
+    
+  }
+  title = 'KaraoQueue';
+}

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

@@ -0,0 +1,106 @@
+import { BrowserModule, DomSanitizer } from '@angular/platform-browser';
+import { NgModule } from '@angular/core';
+
+import { AppRoutingModule } from './app-routing.module';
+import { AppComponent } from './app.component';
+import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
+import { MatLegacyAutocompleteModule as MatAutocompleteModule } from '@angular/material/legacy-autocomplete';
+import { MatBadgeModule } from '@angular/material/badge';
+import { MatBottomSheetModule } from '@angular/material/bottom-sheet';
+import { MatLegacyButtonModule as MatButtonModule } from '@angular/material/legacy-button';
+import { MatButtonToggleModule } from '@angular/material/button-toggle';
+import { MatLegacyCardModule as MatCardModule } from '@angular/material/legacy-card';
+import { MatLegacyCheckboxModule as MatCheckboxModule } from '@angular/material/legacy-checkbox';
+import { MatLegacyChipsModule as MatChipsModule } from '@angular/material/legacy-chips';
+import { MatStepperModule } from '@angular/material/stepper';
+import { MatDatepickerModule } from '@angular/material/datepicker';
+import { MatLegacyDialogModule as MatDialogModule } from '@angular/material/legacy-dialog';
+import { MatDividerModule } from '@angular/material/divider';
+import { MatExpansionModule } from '@angular/material/expansion';
+import { MatGridListModule } from '@angular/material/grid-list';
+import { MatIconRegistry, MatIconModule } from '@angular/material/icon';
+import { MatLegacyInputModule as MatInputModule } from '@angular/material/legacy-input';
+import { MatLegacyListModule as MatListModule } from '@angular/material/legacy-list';
+import { MatLegacyMenuModule as MatMenuModule } from '@angular/material/legacy-menu';
+import { MatNativeDateModule, MatRippleModule } from '@angular/material/core';
+import { MatLegacyPaginatorModule as MatPaginatorModule } from '@angular/material/legacy-paginator';
+import { MatLegacyProgressBarModule as MatProgressBarModule } from '@angular/material/legacy-progress-bar';
+import { MatLegacyProgressSpinnerModule as MatProgressSpinnerModule } from '@angular/material/legacy-progress-spinner';
+import { MatLegacyRadioModule as MatRadioModule } from '@angular/material/legacy-radio';
+import { MatLegacySelectModule as MatSelectModule } from '@angular/material/legacy-select';
+import { MatSidenavModule } from '@angular/material/sidenav';
+import { MatLegacySliderModule as MatSliderModule } from '@angular/material/legacy-slider';
+import { MatLegacySlideToggleModule as MatSlideToggleModule } from '@angular/material/legacy-slide-toggle';
+import { MatLegacySnackBarModule as MatSnackBarModule } from '@angular/material/legacy-snack-bar';
+import { MatSortModule } from '@angular/material/sort';
+import { MatLegacyTableModule as MatTableModule } from '@angular/material/legacy-table';
+import { MatLegacyTabsModule as MatTabsModule } from '@angular/material/legacy-tabs';
+import { MatToolbarModule } from '@angular/material/toolbar';
+import { MatLegacyTooltipModule as MatTooltipModule } from '@angular/material/legacy-tooltip';
+import { MatTreeModule } from '@angular/material/tree';
+
+import { HttpClientModule } from '@angular/common/http';
+
+
+import { EntryListingComponent } from './entry-listing/entry-listing.component';
+import { SongSearchComponent } from './song-search/song-search.component';
+
+import { debounceTime, distinctUntilChanged } from "rxjs/operators";
+import { SongChipComponent } from './song-chip/song-chip.component';
+
+@NgModule({
+  declarations: [
+    AppComponent,
+    EntryListingComponent,
+    SongSearchComponent,
+    SongChipComponent
+  ],
+  imports: [
+    BrowserModule,
+    AppRoutingModule,
+    BrowserAnimationsModule,
+    MatAutocompleteModule,
+    MatBadgeModule,
+    MatBottomSheetModule,
+    MatButtonModule,
+    MatButtonToggleModule,
+    MatCardModule,
+    MatCheckboxModule,
+    MatChipsModule,
+    MatStepperModule,
+    MatDatepickerModule,
+    MatDialogModule,
+    MatDividerModule,
+    MatExpansionModule,
+    MatGridListModule,
+    MatIconModule,
+    MatInputModule,
+    MatListModule,
+    MatMenuModule,
+    MatNativeDateModule,
+    MatPaginatorModule,
+    MatProgressBarModule,
+    MatProgressSpinnerModule,
+    MatRadioModule,
+    MatRippleModule,
+    MatSelectModule,
+    MatSidenavModule,
+    MatSliderModule,
+    MatSlideToggleModule,
+    MatSnackBarModule,
+    MatSortModule,
+    MatTableModule,
+    MatTabsModule,
+    MatToolbarModule,
+    MatTooltipModule,
+    MatTreeModule,
+    HttpClientModule,
+  ],
+  providers: [],
+  bootstrap: [AppComponent]
+})
+export class AppModule {
+  constructor(matIconRegistry: MatIconRegistry, domSanitizer: DomSanitizer) {
+    matIconRegistry.addSvgIconSet(domSanitizer.bypassSecurityTrustResourceUrl('./assets/mdi.svg'));
+  }
+}

frontend/ng-karaoqueue/src/app/entry-listing/entry-listing.component.html

@@ -0,0 +1 @@
+<p>entry-listing works!</p>

frontend/ng-karaoqueue/src/app/entry-listing/entry-listing.component.spec.ts

@@ -0,0 +1,25 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { EntryListingComponent } from './entry-listing.component';
+
+describe('EntryListingComponent', () => {
+  let component: EntryListingComponent;
+  let fixture: ComponentFixture<EntryListingComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ EntryListingComponent ]
+    })
+    .compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(EntryListingComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

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

@@ -0,0 +1,15 @@
+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'app-entry-listing',
+  templateUrl: './entry-listing.component.html',
+  styleUrls: ['./entry-listing.component.scss']
+})
+export class EntryListingComponent implements OnInit {
+
+  constructor() { }
+
+  ngOnInit(): void {
+  }
+
+}

frontend/ng-karaoqueue/src/app/entry-service.service.spec.ts

@@ -0,0 +1,16 @@
+import { TestBed } from '@angular/core/testing';
+
+import { EntryServiceService } from './entry-service.service';
+
+describe('EntryServiceService', () => {
+  let service: EntryServiceService;
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({});
+    service = TestBed.inject(EntryServiceService);
+  });
+
+  it('should be created', () => {
+    expect(service).toBeTruthy();
+  });
+});

frontend/ng-karaoqueue/src/app/entry-service.service.ts

@@ -0,0 +1,25 @@
+import { Injectable } from '@angular/core';
+import { HttpClient } from '@angular/common/http';
+ 
+import { Entry } from './models/entry.model';
+import { Observable } from 'rxjs';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class EntryServiceService {
+
+  private api: string;
+  constructor(
+    private http: HttpClient,
+    private configSvc: RuntimeConfigLoaderService
+  ) {
+    this.api = configSvc.getConfigObjectKey("api");
+  }
+
+  getEntries(): Observable<Array<Entry>> {
+      return null; // TODO
+  }
+
+
+}

frontend/ng-karaoqueue/src/app/models/artist.model.ts

@@ -0,0 +1,10 @@
+export class Artist {
+
+  constructor(id: number, name: string) {
+    this.id = id;
+    this.name = name;
+  }
+
+  id: number;
+  name: string;
+}

frontend/ng-karaoqueue/src/app/models/entry.model.ts

@@ -0,0 +1,12 @@
+export class Entry {
+
+  constructor(singer_name: string, song: string, auth_cookie?: string) {
+    this.singer_name=singer_name;
+    this.song=song;
+    this.auth_cookie = auth_cookie;
+  }
+
+  singer_name: string;
+  song: string; //Actually the ID of the Song
+  auth_cookie?: string; //The "cookie" to authenticate for changing an entry. Null otherwise
+}

frontend/ng-karaoqueue/src/app/models/genre.model.ts

@@ -0,0 +1,16 @@
+export class Genre {
+
+  constructor(id: number, name: string) {
+    this.id = id;
+    this._name = name;
+  }
+
+
+  public get name() : string {
+    return this._name;
+  }
+
+
+  id: number; 
+  _name: string;
+}

frontend/ng-karaoqueue/src/app/models/language.model.ts

@@ -0,0 +1,10 @@
+export class Language {
+
+  constructor(id: number, name: string) {
+    this.id = id;
+    this.name = name;
+  }
+
+  id: number;
+  name: string;
+}

frontend/ng-karaoqueue/src/app/models/song.model.ts

@@ -0,0 +1,26 @@
+import { Genre } from './genre.model';
+import { Language } from './language.model';
+import { Artist } from './artist.model';
+
+export class Song {
+
+  constructor(title: string, artist: Artist, karafun_id: number, duo: boolean, explicit: boolean, id: number, styles: Array<String>, languages: Array<String>) {
+    this.title=title;
+    this.artist=artist;
+    this.karafun_id=karafun_id;
+    this.duo=duo;
+    this.explicit=explicit;
+    this.id=id;
+    this.styles=styles;
+    this.languages=languages;
+  }
+
+  title: string;
+  artist: Artist;
+  karafun_id: number;
+  duo: boolean;
+  explicit: boolean;
+  id: number;
+  styles: Array<String>;
+  languages: Array<String>;
+}

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

@@ -0,0 +1,36 @@
+<mat-card class="result">
+    <div class="card-left">
+        <mat-card-title>{{song.artist}} - {{song.title}}</mat-card-title>
+        <div class="song-info">
+            <div class="info-icons">
+                <ng-template [ngIf]="song.duo==1" [ngIfElse]="nonduet">
+                    <mat-icon svgIcon="account-multiple"></mat-icon>
+                </ng-template>
+                <ng-template #nonduet>
+                    <mat-icon svgIcon="account"></mat-icon>
+                </ng-template>
+                <ng-template [ngIf]="song.explicit==1" [ngIfElse]="nonexplicit">
+                    <mat-icon svgIcon="alpha-e-box"></mat-icon>
+                </ng-template>
+                <ng-template #nonexplicit>
+                    <mat-icon svgIcon="alpha-e-box" class="icon-disabled"></mat-icon>
+                </ng-template>
+            </div>
+            <div class="genre-list">
+                <mat-icon svgIcon="music-circle"></mat-icon>
+                <mat-chip-list *ngFor="let style of song.styles">
+                    <mat-chip>{{style}}</mat-chip>
+                </mat-chip-list>
+            </div>
+            <div class="language-list">
+                <mat-icon svgIcon="account-voice"></mat-icon>
+                <mat-chip-list *ngFor="let language of song.languages">
+                    <mat-chip>{{language}}</mat-chip>
+                </mat-chip-list>
+            </div>
+        </div>
+    </div>
+    <button mat-flat-button color="accent" class="add-button">
+        <mat-icon svgIcon="playlist-plus"></mat-icon>
+    </button>
+</mat-card>

frontend/ng-karaoqueue/src/app/song-chip/song-chip.component.spec.ts

@@ -0,0 +1,21 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { SongChipComponent } from './song-chip.component';
+
+describe('SongChipComponent', () => {
+  let component: SongChipComponent;
+  let fixture: ComponentFixture<SongChipComponent>;
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({
+      declarations: [SongChipComponent]
+    });
+    fixture = TestBed.createComponent(SongChipComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

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

@@ -0,0 +1,10 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'app-song-chip',
+  templateUrl: './song-chip.component.html',
+  styleUrls: ['./song-chip.component.scss']
+})
+export class SongChipComponent {
+
+}

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

@@ -0,0 +1,13 @@
+<div class="content">
+  <mat-form-field class="search-input">
+    <mat-label>Suche...</mat-label>
+    <mat-icon matSuffix svgIcon="magnify"></mat-icon>
+    <input type="text" matInput placeholder="Tippe einen Künstler oder Song..."
+    (keyup)="applyFilter($event.target.value)">
+  </mat-form-field>
+  </div>
+  <div class="resultcontainer">
+    <mat-list *ngFor="let song of songs">
+        
+    </mat-list>
+  </div>

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

@@ -0,0 +1,120 @@
+.search-input {
+  width: 95%;
+  margin-top: 1rem;
+}
+
+.add-button {
+  height: 3rem;
+}
+
+.content {
+  overflow: hidden;
+  display: flex;
+  justify-content: center;
+}
+
+.resultcontainer {
+  overflow: hidden;
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+}
+
+.result {
+  margin-left: auto;
+  margin-right: auto;
+  width: 90%;
+  margin-top: 0.2rem;
+  display: flex;
+  align-items: stretch;
+  justify-content: space-between;
+  flex-direction: column;
+}
+
+.card-left {
+  display: flex;
+  flex-direction: column;
+  width: 100%;
+}
+
+.song-info {
+  box-sizing: border-box;
+  display: flex;
+  flex-direction: column;
+  width: 100%;
+}
+
+.song-info > * {
+  margin-right: 0.5rem;
+}
+
+.icon-disabled {
+  opacity: 0.1;
+}
+
+.genre-list > mat-icon {
+  padding-right: 0.25rem;
+}
+
+.genre-list mat-chip-list {
+  margin-right: 0.15rem;
+}
+
+.genre-list {
+  overflow-x: scroll;
+  overflow-y: hidden;
+  white-space: nowrap;
+  display: flex;
+  flex-direction: row;
+  padding-bottom: 0.25rem;
+  align-items: center;
+  -webkit-mask-image: linear-gradient(to right, rgba(0,0,0,0) 0%,rgba(0,0,0,1) 2px,rgba(0,0,0,1) calc(100% - 2px),rgba(0,0,0,0) 100%);
+  mask-image: linear-gradient(to right, rgba(0,0,0,0) 0%,rgba(0,0,0,1) 2px,rgba(0,0,0,1) calc(100% - 2px),rgba(0,0,0,0) 100%);
+  -ms-overflow-style: none;
+}
+
+.language-list > mat-icon {
+  padding-right: 0.25rem;
+}
+
+.language-list mat-chip-list {
+  margin-right: 0.15rem;
+}
+
+.genre-list::-webkit-scrollbar {
+  width: 0px;
+  height: 0px;
+  display: none;
+}
+
+.language-list {
+  overflow-x: scroll;
+  overflow-y: hidden;
+  white-space: nowrap;
+  display: flex;
+  flex-direction: row;
+  padding-bottom: 0.25rem;
+  align-items: center;
+  -ms-overflow-style: none;
+}
+
+
+
+.language-list::-webkit-scrollbar {
+  display: none;
+}
+
+
+$breakpoint-tablet: 768px;
+@media (min-width: $breakpoint-tablet) {
+  .result {
+    flex-direction: row;
+
+  }
+
+  .add-button {
+    height: 6.5rem;
+    width: 4rem;
+    align-self: center;
+  }
+}

frontend/ng-karaoqueue/src/app/song-search/song-search.component.spec.ts

@@ -0,0 +1,25 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { SongSearchComponent } from './song-search.component';
+
+describe('SongSearchComponent', () => {
+  let component: SongSearchComponent;
+  let fixture: ComponentFixture<SongSearchComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ SongSearchComponent ]
+    })
+    .compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(SongSearchComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

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

@@ -0,0 +1,43 @@
+import { Component, OnInit } from '@angular/core';
+import { SongServiceService } from "../song-service.service";
+import { Song } from '../models/song.model';
+import { Subject } from 'rxjs';
+import { debounceTime, distinctUntilChanged, map } from 'rxjs/operators';
+
+@Component({
+  selector: 'app-song-search',
+  templateUrl: './song-search.component.html',
+  styleUrls: ['./song-search.component.scss']
+})
+export class SongSearchComponent implements OnInit {
+
+  private searchSub$ = new Subject<string>();
+
+  constructor(private songServiceService: SongServiceService) { }
+
+  songs: Array<Song> = new Array<Song>();
+
+  updateSongs(text: string) {
+    this.songServiceService.searchSongByText(text).subscribe(x => {
+      console.log(x);
+      this.songs = x;
+    });
+  }
+
+  applyFilter(filterValue: string) {
+    this.searchSub$.next(filterValue)
+  }
+
+  ngOnInit(): void {
+    this.searchSub$.pipe(
+      debounceTime(400),
+      distinctUntilChanged()
+    ).subscribe((filterValue: string) => {
+      this.updateSongs(filterValue);
+    });
+
+    //Für Testzwecke
+    this.updateSongs("Test");
+  }
+
+}

frontend/ng-karaoqueue/src/app/song-service.service.spec.ts

@@ -0,0 +1,16 @@
+import { TestBed } from '@angular/core/testing';
+
+import { SongServiceService } from './song-service.service';
+
+describe('SongServiceService', () => {
+  let service: SongServiceService;
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({});
+    service = TestBed.inject(SongServiceService);
+  });
+
+  it('should be created', () => {
+    expect(service).toBeTruthy();
+  });
+});

frontend/ng-karaoqueue/src/app/song-service.service.ts

@@ -0,0 +1,51 @@
+import { Injectable } from '@angular/core';
+import { HttpClient, HttpHeaders } from "@angular/common/http";
+import { Song } from './models/song.model';
+import { Artist } from './models/artist.model';
+import { Genre } from './models/genre.model';
+import { Language } from './models/language.model';
+ 
+import { ConnectableObservable, Observable } from 'rxjs';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class SongServiceService {
+
+  private api: string;
+  constructor(
+    private http: HttpClient,
+  ) {
+    // TODO: get api from config
+    this.api= "http://localhost:5000/api";
+  }
+
+  searchSongByText(text: string): Observable<Array<Song>> {
+
+
+    let out = new Array<Song>();
+
+    this.http.get(this.api +"/songs/search?q="+text).subscribe((data: Observable<JSON>) => {
+      data.forEach(element => {
+        let styles = new Array<String>();
+        let languages = new Array<String>();
+        for (let style of element["styles"].split(",")) {
+          styles.push(style);
+        }
+        for (let language of element["languages"].split(",")) {
+          languages.push(language);
+        }
+        out.push(new Song(element["title"],element["artist"],element["karafun_id"],element["duo"],element["explicit"],element["_id"],styles,languages));
+      });
+      console.log(out);
+    });
+
+    const observable = new Observable<Array<Song>>( subscriber => {
+      subscriber.next(out);
+    })
+
+
+    return observable;
+  }
+
+}

frontend/ng-karaoqueue/src/assets/config.json

@@ -0,0 +1,3 @@
+{
+  "api":"http://localhost:5000/api"
+}

frontend/ng-karaoqueue/src/custom-theme.scss

@@ -0,0 +1,280 @@
+/**
+* Generated theme by Material Theme Generator
+* https://materialtheme.arcsine.dev
+*/
+
+@import '@angular/material/theming';
+// Include the common styles for Angular Material. We include this here so that you only
+// have to load a single css file for Angular Material in your app.
+
+// Fonts
+@import 'https://fonts.googleapis.com/css?family=Material+Icons';
+@import url('https://fonts.googleapis.com/css?family=Roboto:300,400,500');
+
+$fontConfig: (
+  display-4: mat-typography-level(112px, 112px, 300, 'Roboto', -0.0134em),
+  display-3: mat-typography-level(56px, 56px, 400, 'Roboto', -0.0089em),
+  display-2: mat-typography-level(45px, 48px, 400, 'Roboto', 0.0000em),
+  display-1: mat-typography-level(34px, 40px, 400, 'Roboto', 0.0074em),
+  headline: mat-typography-level(24px, 32px, 400, 'Roboto', 0.0000em),
+  title: mat-typography-level(20px, 32px, 500, 'Roboto', 0.0075em),
+  subheading-2: mat-typography-level(16px, 28px, 400, 'Roboto', 0.0094em),
+  subheading-1: mat-typography-level(15px, 24px, 500, 'Roboto', 0.0067em),
+  body-2: mat-typography-level(14px, 24px, 500, 'Roboto', 0.0179em),
+  body-1: mat-typography-level(14px, 20px, 400, 'Roboto', 0.0179em),
+  button: mat-typography-level(14px, 14px, 500, 'Roboto', 0.0893em),
+  caption: mat-typography-level(12px, 20px, 400, 'Roboto', 0.0333em),
+  input: mat-typography-level(inherit, 1.125, 400, 'Roboto', 1.5px)
+);
+
+// Foreground Elements
+
+// Light Theme Text
+$dark-text: #000000;
+$dark-primary-text: rgba($dark-text, 0.87);
+$dark-accent-text: rgba($dark-primary-text, 0.54);
+$dark-disabled-text: rgba($dark-primary-text, 0.38);
+$dark-dividers: rgba($dark-primary-text, 0.12);
+$dark-focused: rgba($dark-primary-text, 0.12);
+
+$mat-light-theme-foreground: (
+  base:              black,
+  divider:           $dark-dividers,
+  dividers:          $dark-dividers,
+  disabled:          $dark-disabled-text,
+  disabled-button:   rgba($dark-text, 0.26),
+  disabled-text:     $dark-disabled-text,
+  elevation:         black,
+  secondary-text:    $dark-accent-text,
+  hint-text:         $dark-disabled-text,
+  accent-text:       $dark-accent-text,
+  icon:              $dark-accent-text,
+  icons:             $dark-accent-text,
+  text:              $dark-primary-text,
+  slider-min:        $dark-primary-text,
+  slider-off:        rgba($dark-text, 0.26),
+  slider-off-active: $dark-disabled-text,
+);
+
+// Dark Theme text
+$light-text: #ffffff;
+$light-primary-text: $light-text;
+$light-accent-text: rgba($light-primary-text, 0.7);
+$light-disabled-text: rgba($light-primary-text, 0.5);
+$light-dividers: rgba($light-primary-text, 0.12);
+$light-focused: rgba($light-primary-text, 0.12);
+
+$mat-dark-theme-foreground: (
+  base:              $light-text,
+  divider:           $light-dividers,
+  dividers:          $light-dividers,
+  disabled:          $light-disabled-text,
+  disabled-button:   rgba($light-text, 0.3),
+  disabled-text:     $light-disabled-text,
+  elevation:         black,
+  hint-text:         $light-disabled-text,
+  secondary-text:    $light-accent-text,
+  accent-text:       $light-accent-text,
+  icon:              $light-text,
+  icons:             $light-text,
+  text:              $light-text,
+  slider-min:        $light-text,
+  slider-off:        rgba($light-text, 0.3),
+  slider-off-active: rgba($light-text, 0.3),
+);
+
+// Background config
+// Light bg
+$light-background:    #fafafa;
+$light-bg-darker-5:   darken($light-background, 5%);
+$light-bg-darker-10:  darken($light-background, 10%);
+$light-bg-darker-20:  darken($light-background, 20%);
+$light-bg-darker-30:  darken($light-background, 30%);
+$light-bg-lighter-5:  lighten($light-background, 5%);
+$dark-bg-tooltip:     lighten(#2c2c2c, 20%);
+$dark-bg-alpha-4:     rgba(#2c2c2c, 0.04);
+$dark-bg-alpha-12:    rgba(#2c2c2c, 0.12);
+
+$mat-light-theme-background: (
+  background:               $light-background,
+  status-bar:               $light-bg-darker-20,
+  app-bar:                  $light-bg-darker-5,
+  hover:                    $dark-bg-alpha-4,
+  card:                     $light-bg-lighter-5,
+  dialog:                   $light-bg-lighter-5,
+  tooltip:                  $dark-bg-tooltip,
+  disabled-button:          $dark-bg-alpha-12,
+  raised-button:            $light-bg-lighter-5,
+  focused-button:           $dark-focused,
+  selected-button:          $light-bg-darker-20,
+  selected-disabled-button: $light-bg-darker-30,
+  disabled-button-toggle:   $light-bg-darker-10,
+  unselected-chip:          $light-bg-darker-10,
+  disabled-list-option:     $light-bg-darker-10,
+);
+
+// Dark bg
+$dark-background:     #2c2c2c;
+$dark-bg-lighter-5:   lighten($dark-background, 5%);
+$dark-bg-lighter-10:  lighten($dark-background, 10%);
+$dark-bg-lighter-20:  lighten($dark-background, 20%);
+$dark-bg-lighter-30:  lighten($dark-background, 30%);
+$light-bg-alpha-4:    rgba(#fafafa, 0.04);
+$light-bg-alpha-12:   rgba(#fafafa, 0.12);
+
+// Background palette for dark themes.
+$mat-dark-theme-background: (
+  background:               $dark-background,
+  status-bar:               $dark-bg-lighter-20,
+  app-bar:                  $dark-bg-lighter-5,
+  hover:                    $light-bg-alpha-4,
+  card:                     $dark-bg-lighter-5,
+  dialog:                   $dark-bg-lighter-5,
+  tooltip:                  $dark-bg-lighter-20,
+  disabled-button:          $light-bg-alpha-12,
+  raised-button:            $dark-bg-lighter-5,
+  focused-button:           $light-focused,
+  selected-button:          $dark-bg-lighter-20,
+  selected-disabled-button: $dark-bg-lighter-30,
+  disabled-button-toggle:   $dark-bg-lighter-10,
+  unselected-chip:          $dark-bg-lighter-20,
+  disabled-list-option:     $dark-bg-lighter-10,
+);
+
+// Compute font config
+@include mat-core();
+
+// Theme Config
+
+body {
+  --primary-color: #090a28;
+  --primary-lighter-color: #b5b6bf;
+  --primary-darker-color: #050518;
+  --text-primary-color: #{$light-primary-text};
+  --text-primary-lighter-color: #{$dark-primary-text};
+  --text-primary-darker-color: #{$light-primary-text};
+}
+
+$mat-primary: (
+  main: #090a28,
+  lighter: #b5b6bf,
+  darker: #050518,
+  200: #090a28, // For slide toggle,
+  contrast : (
+    main: $light-primary-text,
+    lighter: $dark-primary-text,
+    darker: $light-primary-text,
+  )
+);
+$theme-primary: mat-palette($mat-primary, main, lighter, darker);
+
+body {
+  --accent-color: #b70000;
+  --accent-lighter-color: #e9b3b3;
+  --accent-darker-color: #9f0000;
+  --text-accent-color: #{$light-primary-text};
+  --text-accent-lighter-color: #{$dark-primary-text};
+  --text-accent-darker-color: #{$light-primary-text};
+}
+
+$mat-accent: (
+  main: #b70000,
+  lighter: #e9b3b3,
+  darker: #9f0000,
+  200: #b70000, // For slide toggle,
+  contrast : (
+    main: $light-primary-text,
+    lighter: $dark-primary-text,
+    darker: $light-primary-text,
+  )
+);
+$theme-accent: mat-palette($mat-accent, main, lighter, darker);
+
+body {
+  --warn-color: #ffc600;
+  --warn-lighter-color: #ffeeb3;
+  --warn-darker-color: #ffb100;
+  --text-warn-color: #{$dark-primary-text};
+  --text-warn-lighter-color: #{$dark-primary-text};
+  --text-warn-darker-color: #{$dark-primary-text};
+}
+
+$mat-warn: (
+  main: #ffc600,
+  lighter: #ffeeb3,
+  darker: #ffb100,
+  200: #ffc600, // For slide toggle,
+  contrast : (
+    main: $dark-primary-text,
+    lighter: $dark-primary-text,
+    darker: $dark-primary-text,
+  )
+);
+$theme-warn: mat-palette($mat-warn, main, lighter, darker);;
+
+$theme: mat-dark-theme($theme-primary, $theme-accent, $theme-warn);
+$altTheme: mat-light-theme($theme-primary, $theme-accent, $theme-warn);
+
+// Theme Init
+@include angular-material-theme($theme);
+
+.theme-alternate {
+  @include angular-material-theme($altTheme);
+}
+
+// Specific component overrides, pieces that are not in line with the general theming
+
+// Handle buttons appropriately, with respect to line-height
+.mat-raised-button, .mat-stroked-button, .mat-flat-button {
+  padding: 0 1.15em;
+  margin: 0 .65em;
+  min-width: 3em;
+  line-height: 36.4px
+}
+
+.mat-standard-chip {
+  padding: .5em .85em;
+  min-height: 2.5em;
+}
+
+.material-icons {
+  font-size: 24px;
+  font-family: 'Material Icons', 'Material Icons';
+  .mat-badge-content {
+    font-family: 'Roboto';
+  }
+}
+
+mat-form-field.mat-form-field {
+&.mat-focused {
+  .mat-form-field-label {
+      color: $light-text;
+  }
+  .mat-form-field-ripple {
+      background-color: $light-text !important;
+  }
+}
+.mat-form-field-label.mat-focused,
+.mat-form-field.mat-focused.matform-field-should-float {
+    color: $light-text;
+}
+
+.mat-form-field-underline, .mat-form-field-label {
+  color: $light-accent-text;
+}
+
+.mat-form-field-underline.mat-focused {
+    background-color: $light-text;
+  }
+}
+
+button.mat-menu-item {
+  line-height: 24px !important;
+}
+a.mat-menu-item > mat-icon {
+  margin-bottom: 14px;
+}
+.mat-icon svg {
+  height: 24px;
+  width: 24px;
+}

frontend/ng-karaoqueue/src/index.html

@@ -0,0 +1,15 @@
+<!doctype html>
+<html lang="en">
+<head>
+  <meta charset="utf-8">
+  <title>NgKaraoqueue</title>
+  <base href="/">
+  <meta name="viewport" content="width=device-width, initial-scale=1">
+  <link rel="icon" type="image/x-icon" href="favicon.ico">
+  <link href="https://fonts.googleapis.com/css?family=Roboto:300,400,500&display=swap" rel="stylesheet">
+  <link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
+</head>
+<body class="mat-typography mat-app-background">
+  <app-root></app-root>
+</body>
+</html>

frontend/ng-karaoqueue/src/main.ts

@@ -0,0 +1,4 @@
+import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
+import { AppModule } from './app/app.module';
+
+platformBrowserDynamic().bootstrapModule(AppModule);

frontend/ng-karaoqueue/src/polyfills.ts

@@ -0,0 +1,61 @@
+/**
+ * @license
+ * Copyright Google LLC All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.io/license
+ */
+
+/**
+ * This file includes polyfills needed by Angular and is loaded before the app.
+ * You can add your own extra polyfills to this file.
+ *
+ * This file is divided into 2 sections:
+ *   1. Browser polyfills. These are applied before loading ZoneJS and are sorted by browsers.
+ *   2. Application imports. Files imported after ZoneJS that should be loaded before your main
+ *      file.
+ *
+ * The current setup is for so-called "evergreen" browsers; the last versions of browsers that
+ * automatically update themselves. This includes recent versions of Safari, Chrome (including
+ * Opera), Edge on the desktop, and iOS and Chrome on mobile.
+ *
+ * Learn more in https://angular.io/guide/browser-support
+ */
+
+/***************************************************************************************************
+ * BROWSER POLYFILLS
+ */
+
+/**
+ * By default, zone.js will patch all possible macroTask and DomEvents
+ * user can disable parts of macroTask/DomEvents patch by setting following flags
+ * because those flags need to be set before `zone.js` being loaded, and webpack
+ * will put import in the top of bundle, so user need to create a separate file
+ * in this directory (for example: zone-flags.ts), and put the following flags
+ * into that file, and then add the following code before importing zone.js.
+ * import './zone-flags';
+ *
+ * The flags allowed in zone-flags.ts are listed here.
+ *
+ * The following flags will work for all browsers.
+ *
+ * (window as any).__Zone_disable_requestAnimationFrame = true; // disable patch requestAnimationFrame
+ * (window as any).__Zone_disable_on_property = true; // disable patch onProperty such as onclick
+ * (window as any).__zone_symbol__UNPATCHED_EVENTS = ['scroll', 'mousemove']; // disable patch specified eventNames
+ *
+ *  in IE/Edge developer tools, the addEventListener will also be wrapped by zone.js
+ *  with the following flag, it will bypass `zone.js` patch for IE/Edge
+ *
+ *  (window as any).__Zone_enable_cross_context_check = true;
+ *
+ */
+
+/***************************************************************************************************
+ * Zone JS is required by default for Angular itself.
+ */
+import 'zone.js';  // Included with Angular CLI.
+
+
+/***************************************************************************************************
+ * APPLICATION IMPORTS
+ */

frontend/ng-karaoqueue/src/styles.scss

@@ -0,0 +1,10 @@
+/* You can add global styles to this file, and also import other style files */
+html,
+body {
+  height: 100%;
+}
+
+body {
+  margin: 0;
+  font-family: Roboto, "Helvetica Neue", sans-serif;
+}

frontend/ng-karaoqueue/src/test.ts

@@ -0,0 +1,34 @@
+/**
+ * @license
+ * Copyright Google LLC All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.io/license
+ */
+
+// This file is required by karma.conf.js and loads recursively all the .spec and framework files
+
+import 'zone.js/testing';
+import { getTestBed } from '@angular/core/testing';
+import {
+  BrowserDynamicTestingModule,
+  platformBrowserDynamicTesting
+} from '@angular/platform-browser-dynamic/testing';
+
+declare const require: {
+  context(path: string, deep?: boolean, filter?: RegExp): {
+    <T>(id: string): T;
+    keys(): string[];
+  };
+};
+
+// First, initialize the Angular testing environment.
+getTestBed().initTestEnvironment(
+  BrowserDynamicTestingModule,
+  platformBrowserDynamicTesting(),
+);
+
+// Then we find all the tests.
+const context = require.context('./', true, /\.spec\.ts$/);
+// And load the modules.
+context.keys().forEach(context);

frontend/ng-karaoqueue/src/tsconfig.json

@@ -0,0 +1,28 @@
+{
+  "compilerOptions": {
+    "baseUrl": "",
+    "declaration": false,
+    "downlevelIteration": true,
+    "experimentalDecorators": true,
+    "lib": [
+      "es6",
+      "dom"
+    ],
+    "mapRoot": "./",
+    "module": "ES2022",
+    "moduleResolution": "node",
+    "outDir": "../dist/out-tsc",
+    "sourceMap": true,
+    "target": "ES2022",
+    "skipLibCheck": true,
+    "typeRoots": [
+      "../node_modules/@types"
+    ],
+    "useDefineForClassFields": false
+  },
+  "include": [
+    "main.ts",
+    "polyfills.ts",
+    "src/**/*.d.ts"
+  ]
+}

frontend/ng-karaoqueue/tsconfig.app.json

@@ -0,0 +1,16 @@
+/* To learn more about this file see: https://angular.io/config/tsconfig. */
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "outDir": "./out-tsc/app",
+    "types": []
+  },
+  "files": [
+    "src/app/app.module.ts",
+    "src/main.ts",
+    "src/polyfills.ts"
+  ],
+  "include": [
+    "src/**/*.d.ts"
+  ]
+}

frontend/ng-karaoqueue/tsconfig.json

@@ -0,0 +1,17 @@
+/*
+  This is a "Solution Style" tsconfig.json file, and is used by editors and TypeScript’s language server to improve development experience.
+  It is not intended to be used to perform a compilation.
+
+  To learn more about this file see: https://angular.io/config/solution-tsconfig.
+*/
+{
+    "files": [],
+    "references": [
+      {
+        "path": "./src/tsconfig.json"
+      }
+    ],
+    "compilerOptions": {
+      "target": "ES2022",
+    }
+}

frontend/ng-karaoqueue/tsconfig.spec.json

@@ -0,0 +1,18 @@
+/* To learn more about this file see: https://angular.io/config/tsconfig. */
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "outDir": "./out-tsc/spec",
+    "types": [
+      "jasmine"
+    ]
+  },
+  "files": [
+    "src/test.ts",
+    "src/polyfills.ts"
+  ],
+  "include": [
+    "src/**/*.spec.ts",
+    "src/**/*.d.ts"
+  ]
+}

package-lock.json

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package.json

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+  }
+}