feat(oauth): add csas connection, allow oauth from react

7project/backend/app/workers/celery_tasks.py

@@ -1,7 +1,10 @@
 import logging
+import asyncio
 
 from celery import shared_task
 
+import app.services.bank_scraper
+
 logger = logging.getLogger("celery_tasks")
 if not logger.handlers:
     _h = logging.StreamHandler()
@@ -9,6 +12,72 @@ if not logger.handlers:
 logger.setLevel(logging.INFO)
 
 
+def run_coro(coro) -> None:
+    """Run an async coroutine in a fresh event loop without using run_until_complete.
+    Primary strategy runs in a new loop in the current thread. If that fails due to
+    debugger patches (e.g., Bad file descriptor from pydevd_nest_asyncio), fall back
+    to running in a dedicated thread with its own event loop.
+    """
+    import threading
+
+    def _cleanup_loop(loop):
+        try:
+            pending = [t for t in asyncio.all_tasks(loop) if not t.done()]
+            for t in pending:
+                t.cancel()
+            if pending:
+                loop.run_until_complete(asyncio.gather(*pending, return_exceptions=True))
+        except Exception:
+            pass
+        finally:
+            try:
+                loop.close()
+            finally:
+                asyncio.set_event_loop(None)
+
+    # First attempt: Run in current thread with a fresh event loop
+    try:
+        loop = asyncio.get_event_loop_policy().new_event_loop()
+        try:
+            asyncio.set_event_loop(loop)
+            task = loop.create_task(coro)
+            task.add_done_callback(lambda _t: loop.stop())
+            loop.run_forever()
+            exc = task.exception()
+            if exc:
+                raise exc
+            return
+        finally:
+            _cleanup_loop(loop)
+    except OSError as e:
+        logger.warning("run_coro primary strategy failed (%s). Falling back to thread runner.", e)
+    except Exception:
+        # For any other unexpected errors, try thread fallback as well
+        logger.exception("run_coro primary strategy raised; attempting thread fallback")
+
+    # Fallback: Run in a dedicated thread with its own event loop
+    error = {"exc": None}
+
+    def _thread_target():
+        loop = asyncio.new_event_loop()
+        try:
+            asyncio.set_event_loop(loop)
+            task = loop.create_task(coro)
+            task.add_done_callback(lambda _t: loop.stop())
+            loop.run_forever()
+            exc = task.exception()
+            if exc:
+                error["exc"] = exc
+        finally:
+            _cleanup_loop(loop)
+
+    th = threading.Thread(target=_thread_target, name="celery-async-runner", daemon=True)
+    th.start()
+    th.join()
+    if error["exc"] is not None:
+        raise error["exc"]
+
+
 @shared_task(name="workers.send_email")
 def send_email(to: str, subject: str, body: str) -> None:
     if not (to and subject and body):
@@ -17,3 +86,22 @@ def send_email(to: str, subject: str, body: str) -> None:
 
     # Placeholder for real email sending logic
     logger.info("[Celery] Email sent | to=%s | subject=%s | body_len=%d", to, subject, len(body))
+
+
+@shared_task(name="workers.load_transactions")
+def load_transactions(user_id: str) -> None:
+    if not user_id:
+        logger.error("Load transactions task missing user_id.")
+        return
+
+    run_coro(app.services.bank_scraper.aload_ceska_sporitelna_transactions(user_id))
+
+    # Placeholder for real transaction loading logic
+    logger.info("[Celery] Transactions loaded for user_id=%s", user_id)
+
+
+@shared_task(name="workers.load_all_transactions")
+def load_all_transactions() -> None:
+    logger.info("[Celery] Starting load_all_transactions")
+    run_coro(app.services.bank_scraper.aload_all_ceska_sporitelna_transactions())
+    logger.info("[Celery] Finished load_all_transactions")