added fitness

backend/app/fitness/watcher.py

@@ -0,0 +1,28 @@
+import asyncio
+import logging
+
+from app.db.base import SessionLocal
+from app.fitness.reminders import check_reminders
+
+logger = logging.getLogger(__name__)
+
+WATCH_INTERVAL_SEC = 60
+
+
+async def fitness_watcher_loop() -> None:
+    while True:
+        try:
+            await asyncio.sleep(WATCH_INTERVAL_SEC)
+            await _tick()
+        except asyncio.CancelledError:
+            raise
+        except Exception:
+            logger.exception("Fitness watcher error")
+
+
+async def _tick() -> None:
+    db = SessionLocal()
+    try:
+        check_reminders(db)
+    finally:
+        db.close()