Update GPT and add Profile

backend/app/api/v1/challenges.py

@@ -14,12 +14,10 @@ from app.schemas import (
     ChallengesPreviewResponse,
     ChallengesSaveRequest,
 )
-from app.services.gpt import GPTService
+from app.services.gpt import gpt_service
 
 router = APIRouter(tags=["challenges"])
 
-gpt_service = GPTService()
-
 
 async def get_challenge_or_404(db, challenge_id: int) -> Challenge:
     result = await db.execute(
@@ -215,22 +213,35 @@ async def preview_challenges(marathon_id: int, current_user: CurrentUser, db: Db
     if not games:
         raise HTTPException(status_code=400, detail="No approved games in marathon")
 
-    preview_challenges = []
+    # Filter games that don't have challenges yet
+    games_to_generate = []
+    game_map = {}
     for game in games:
-        # Check if game already has challenges
         existing = await db.scalar(
             select(Challenge.id).where(Challenge.game_id == game.id).limit(1)
         )
-        if existing:
-            continue  # Skip if already has challenges
+        if not existing:
+            games_to_generate.append({
+                "id": game.id,
+                "title": game.title,
+                "genre": game.genre
+            })
+            game_map[game.id] = game.title
 
-        try:
-            challenges_data = await gpt_service.generate_challenges(game.title, game.genre)
+    if not games_to_generate:
+        return ChallengesPreviewResponse(challenges=[])
 
+    # Generate challenges for all games in one API call
+    preview_challenges = []
+    try:
+        challenges_by_game = await gpt_service.generate_challenges(games_to_generate)
+
+        for game_id, challenges_data in challenges_by_game.items():
+            game_title = game_map.get(game_id, "Unknown")
             for ch_data in challenges_data:
                 preview_challenges.append(ChallengePreview(
-                    game_id=game.id,
-                    game_title=game.title,
+                    game_id=game_id,
+                    game_title=game_title,
                     title=ch_data.title,
                     description=ch_data.description,
                     type=ch_data.type,
@@ -241,9 +252,8 @@ async def preview_challenges(marathon_id: int, current_user: CurrentUser, db: Db
                     proof_hint=ch_data.proof_hint,
                 ))
 
-        except Exception as e:
-            # Log error but continue with other games
-            print(f"Error generating challenges for {game.title}: {e}")
+    except Exception as e:
+        print(f"Error generating challenges: {e}")
 
     return ChallengesPreviewResponse(challenges=preview_challenges)