added external service for meta retrieve

akarpov/music/services/external.py

@@ -0,0 +1,76 @@
+import requests
+from typing import Optional, Dict, Any
+import structlog
+from django.conf import settings
+from functools import wraps
+
+logger = structlog.get_logger(__name__)
+
+
+class ExternalServiceClient:
+    def __init__(self):
+        self.base_url = getattr(settings, 'MUSIC_EXTERNAL_SERVICE_URL', None)
+
+    def _make_request(self, endpoint: str, params: Dict = None, **kwargs) -> Optional[Dict]:
+        if not self.base_url:
+            return None
+
+        url = f"{self.base_url.rstrip('/')}/{endpoint.lstrip('/')}"
+        try:
+            response = requests.post(url, params=params, **kwargs)
+            response.raise_for_status()
+            return response.json()
+        except requests.exceptions.RequestException as e:
+            logger.error(
+                "External service request failed",
+                error=str(e),
+                endpoint=endpoint,
+                params=params
+            )
+            return None
+
+    def get_spotify_info(self, track_name: str) -> Optional[Dict[str, Any]]:
+        return self._make_request(
+            "/spotify/search",
+            params={"query": track_name}
+        )
+
+    def translate_text(self, text: str, source_lang: str = "auto", target_lang: str = "en") -> Optional[str]:
+        response = self._make_request(
+            "/translation/translate",
+            json={
+                "text": text,
+                "source_lang": source_lang,
+                "target_lang": target_lang
+            }
+        )
+        return response.get("translated_text") if response else None
+
+
+def external_service_fallback(fallback_func):
+    """Decorator to try external service first, then fall back to local implementation"""
+
+    @wraps(fallback_func)
+    def wrapper(*args, **kwargs):
+        if not hasattr(settings, 'MUSIC_EXTERNAL_SERVICE_URL') or not settings.MUSIC_EXTERNAL_SERVICE_URL:
+            return fallback_func(*args, **kwargs)
+
+        client = ExternalServiceClient()
+        try:
+            if fallback_func.__name__ == "get_spotify_info":
+                result = client.get_spotify_info(args[1])  # args[1] is track_name
+            elif fallback_func.__name__ == "safe_translate":
+                result = client.translate_text(args[0])  # args[0] is text
+
+            if result:
+                return result
+        except Exception as e:
+            logger.error(
+                "External service failed, falling back to local implementation",
+                error=str(e),
+                function=fallback_func.__name__
+            )
+
+        return fallback_func(*args, **kwargs)
+
+    return wrapper

akarpov/music/services/info.py

@@ -4,6 +4,11 @@
 import requests
 import spotipy
 
+from akarpov.music.services.external import (
+    ExternalServiceClient,
+    external_service_fallback,
+)
+
 try:
     from deep_translator import GoogleTranslator
 except requests.exceptions.JSONDecodeError:
@@ -76,6 +81,7 @@ def spotify_search(name: str, session: spotipy.Spotify, search_type="track"):
     return res
 
 
+@external_service_fallback
 def get_spotify_info(name: str, session: spotipy.Spotify) -> dict:
     info = {
         "album_name": "",
@@ -379,29 +385,43 @@ def save_author_image(author, image_path):
         print(f"Error saving author image: {str(e)}")
 
 
-def safe_translate(text):
+@external_service_fallback
+def safe_translate(text: str) -> str:
     try:
         translated = GoogleTranslator(source="auto", target="en").translate(text)
         return slugify(translated)
     except Exception as e:
-        print(f"Error translating text: {str(e)}")
+        print(f"Translation failed: {str(e)}")
         return slugify(text)
 
 
 def search_all_platforms(track_name: str) -> dict:
     print(track_name)
-    # session = spotipy.Spotify(
-    #     auth_manager=spotipy.SpotifyClientCredentials(
-    #         client_id=settings.MUSIC_SPOTIFY_ID,
-    #         client_secret=settings.MUSIC_SPOTIFY_SECRET,
-    #     )
-    # )
-    # spotify_info = get_spotify_info(track_name, session)
-    spotify_info = {}  # TODO: add proxy for info retrieve
+
+    if settings.MUSIC_EXTERNAL_SERVICE_URL:
+        # Use external service if configured
+        client = ExternalServiceClient()
+        spotify_info = client.get_spotify_info(track_name) or {}
+    else:
+        # Local implementation fallback
+        try:
+            session = spotipy.Spotify(
+                auth_manager=SpotifyClientCredentials(
+                    client_id=settings.MUSIC_SPOTIFY_ID,
+                    client_secret=settings.MUSIC_SPOTIFY_SECRET,
+                )
+            )
+            spotify_info = get_spotify_info(track_name, session)
+        except Exception as e:
+            print("Local Spotify implementation failed", error=str(e))
+            spotify_info = {}
+
     yandex_info = search_yandex(track_name)
+
     if "album_image_path" in spotify_info and "album_image_path" in yandex_info:
         os.remove(yandex_info["album_image_path"])
 
+    # Combine artist information
     combined_artists = set()
     for artist in spotify_info.get("artists", []) + yandex_info.get("artists", []):
         normalized_artist = normalize_text(artist)
@@ -410,12 +430,13 @@ def search_all_platforms(track_name: str) -> dict:
             for existing_artist in combined_artists
         ):
             combined_artists.add(normalized_artist)
-    genre = spotify_info.get("genre") or yandex_info.get("genre")
-    if type(genre) is list:
-        genre = sorted(genre, key=lambda x: len(x))
-        genre = genre[0]
 
-    track_info = {
+    # Process genre information
+    genre = spotify_info.get("genre") or yandex_info.get("genre")
+    if isinstance(genre, list) and genre:
+        genre = sorted(genre, key=len)[0]
+
+    return {
         "album_name": spotify_info.get("album_name")
         or yandex_info.get("album_name", ""),
         "release": spotify_info.get("release") or yandex_info.get("release", ""),
@@ -425,5 +446,3 @@ def search_all_platforms(track_name: str) -> dict:
         "album_image": spotify_info.get("album_image_path")
         or yandex_info.get("album_image_path", None),
     }
-
-    return track_info

config/settings/base.py

@@ -715,6 +715,9 @@
 LAST_FM_API_KEY = env("LAST_FM_API_KET", default="")
 LAST_FM_SECRET = env("LAST_FM_SECRET", default="")
 
+# EXTERNAL
+MUSIC_EXTERNAL_SERVICE_URL = env("MUSIC_EXTERNAL_SERVICE_URL", default="")
+
 # ROBOTS
 # ------------------------------------------------------------------------------
 ROBOTS_USE_SITEMAP = True