Add events

backend/app/api/v1/challenges.py

@@ -81,6 +81,52 @@ async def list_challenges(game_id: int, current_user: CurrentUser, db: DbSession
     ]
 
 
+@router.get("/marathons/{marathon_id}/challenges", response_model=list[ChallengeResponse])
+async def list_marathon_challenges(marathon_id: int, current_user: CurrentUser, db: DbSession):
+    """List all challenges for a marathon (from all approved games). Participants only."""
+    # Check marathon exists
+    result = await db.execute(select(Marathon).where(Marathon.id == marathon_id))
+    marathon = result.scalar_one_or_none()
+    if not marathon:
+        raise HTTPException(status_code=404, detail="Marathon not found")
+
+    # Check user is participant or admin
+    participant = await get_participant(db, current_user.id, marathon_id)
+    if not current_user.is_admin and not participant:
+        raise HTTPException(status_code=403, detail="You are not a participant of this marathon")
+
+    # Get all challenges from approved games in this marathon
+    result = await db.execute(
+        select(Challenge)
+        .join(Game, Challenge.game_id == Game.id)
+        .options(selectinload(Challenge.game))
+        .where(
+            Game.marathon_id == marathon_id,
+            Game.status == GameStatus.APPROVED.value,
+        )
+        .order_by(Game.title, Challenge.difficulty, Challenge.created_at)
+    )
+    challenges = result.scalars().all()
+
+    return [
+        ChallengeResponse(
+            id=c.id,
+            title=c.title,
+            description=c.description,
+            type=c.type,
+            difficulty=c.difficulty,
+            points=c.points,
+            estimated_time=c.estimated_time,
+            proof_type=c.proof_type,
+            proof_hint=c.proof_hint,
+            game=GameShort(id=c.game.id, title=c.game.title, cover_url=None),
+            is_generated=c.is_generated,
+            created_at=c.created_at,
+        )
+        for c in challenges
+    ]
+
+
 @router.post("/games/{game_id}/challenges", response_model=ChallengeResponse)
 async def create_challenge(
     game_id: int,