Added a test function for SSE

backend/app/routers/processing.py

@@ -1,25 +1,27 @@
+import json
+import asyncio
 from fastapi import APIRouter, Depends
 from sqlalchemy.orm import Session
 from starlette.responses import StreamingResponse
-import asyncio
-import json
-
 from app.models import JobStatus, Jobs as JobModel
 from app.dependencies import get_db
 
 router = APIRouter()
 
 
-async def job_event_generator(db):
+async def job_event_generator(db: Session):
     while True:
+        # Fetch jobs with status TODO
         jobs = db.query(JobModel).filter(JobModel.status == JobStatus.TODO).all()
 
         if jobs:
-            yield json.dumps([job.parameters for job in jobs]) + "\n\n"
-        await asyncio.sleep(5)
+            # It's recommended to explicitly communicate IDs clearly
+            job_payload = [{"id": job.id, "parameters": job.parameters} for job in jobs]
+            yield f"data: {json.dumps(job_payload)}\n\n"
+
+        await asyncio.sleep(5)  # A reasonable heartbeat/refresh
 
 
 @router.get("/jobs/stream")
 async def stream_jobs(db: Session = Depends(get_db)):
-    # test
     return StreamingResponse(job_event_generator(db), media_type="text/event-stream")