add proxy support for SpotDL in download process

Fixes #35

app/tasks.py

@@ -211,6 +211,10 @@ def download_missing_tracks(self):
                             app.logger.debug(f"Found {cookie_file}, using it for spotDL")
                             command.append("--cookie-file")
                             command.append(cookie_file)
+                        if app.config['SPOTDL_PROXY']:
+                            app.logger.debug(f"Using proxy: {app.config['SPOTDL_PROXY']}")
+                            command.append("--proxy")
+                            command.append(app.config['SPOTDL_PROXY'])
 
                         result = subprocess.run(command, capture_output=True, text=True, timeout=90)
                         if result.returncode == 0 and os.path.exists(file_path):

config.py

@@ -1,7 +1,6 @@
 import os
 import sys
 
-
 class Config:
     LOG_LEVEL = os.getenv('LOG_LEVEL', 'INFO').upper()
     SECRET_KEY = os.getenv('SECRET_KEY')  
@@ -33,6 +32,8 @@ class Config:
     LIDARR_MONITOR_ARTISTS = os.getenv('LIDARR_MONITOR_ARTISTS','false').lower() == 'true'
     MUSIC_STORAGE_BASE_PATH = os.getenv('MUSIC_STORAGE_BASE_PATH')
     CHECK_FOR_UPDATES = os.getenv('CHECK_FOR_UPDATES','true').lower() == 'true'
+    SPOTDL_PROXY = os.getenv('SPOTDL_PROXY',None)
+    
     # SpotDL specific configuration
     SPOTDL_CONFIG = {
         'cookie_file': '/jellyplist/cookies.txt',