change app.py

app.py

@@ -12,6 +12,7 @@ def load_songs():
     try:
         with open(json_path, "r", encoding="utf-8") as f:
             songs_data = json.load(f)
+        print(f"✅ Loaded {len(songs_data)} songs at startup.")
     except FileNotFoundError:
         print("❌ songs.json not found!")
     except json.JSONDecodeError:
@@ -22,21 +23,36 @@ def read_root():
     return {"message": "Welcome to the Song API!"}
 
 @app.get("/songs")
-def get_songs(page: int = 1, limit: int = 10):
+def get_songs(
+    page: int = 1,
+    limit: int = 10,
+    query: str = Query(None, description="Search query for song title or artist") # Re-added query parameter
+):
     """
-    Fetches a paginated list of songs.
+    Fetches a paginated and optionally filtered list of songs.
     :param page: The page number to retrieve (1-indexed).
     :param limit: The maximum number of songs to return per page.
+    :param query: Optional search string to filter by title or artist.
     """
     if not songs_data:
         return {"error": "No songs available. Check songs.json"}, 500
 
+    # Apply filtering first if a query is provided
+    filtered_songs = songs_data
+    if query:
+        search_query_lower = query.lower()
+        filtered_songs = [
+            song for song in songs_data
+            if search_query_lower in song.get("title", "").lower() or
+               search_query_lower in song.get("artist", "").lower()
+        ]
+
     start_index = max((page - 1) * limit, 0)
     end_index = start_index + limit
 
-    if start_index >= len(songs_data):
-        return []
+    if start_index >= len(filtered_songs):
+        return [] # No more songs to return for this query/page
 
-    paginated_songs = songs_data[start_index:end_index]
+    paginated_songs = filtered_songs[start_index:end_index]
 
-    return paginated_songs
+    return paginated_songs