feat: add match API routes with request, cancel, and WebSocket endpoints

Author: SherwynNg

services/matching-service/app/routers/match.py

@@ -0,0 +1,25 @@
+from fastapi import APIRouter, HTTPException, BackgroundTasks, WebSocket, WebSocketDisconnect
+from app.models.match import MatchResponse, MatchRequest
+from app.services.matching import MatchingService
+from app.services.websocket_manager import manager
+
+router = APIRouter()
+
+@router.post("/request", response_model=MatchResponse)
+async def request_match(request: MatchRequest, background_tasks: BackgroundTasks):
+    background_tasks.add_task(MatchingService.check_timeouts, request)
+    response = await MatchingService.join_queue(request)
+    return response
+
+@router.post("/cancel", response_model=MatchResponse)
+async def cancel_match(request: MatchRequest):
+    return MatchingService.cancel_queue(request)
+
+@router.websocket("/ws/{user_id}")
+async def websocket_endpoint(websocket: WebSocket, user_id: str):
+    await manager.connect(user_id, websocket)
+    try:
+        while True:
+            await websocket.receive_text()
+    except:
+        manager.disconnect(user_id)