notifier-draft-2

services/listener.py

@@ -0,0 +1,43 @@
+import json
+from services.rediscache import redis
+from servies.notifier import notification_service
+
+
+# Каналы для прослушивания
+channels = ["reaction", "shout"]
+pubsubs = []
+
+
+def create_notification_channel(redis_conn, channel_name):
+    pubsub = redis_conn.pubsub()
+    pubsub.subscribe(channel_name)
+    return pubsub
+
+
+def close_notification_channel(pubsub):
+    pubsub.unsubscribe()
+    pubsub.close()
+
+
+def start():
+    # Подписка на каналы
+    pubsubs = [create_notification_channel(redis_conn, channel) for channel in channels]
+
+    try:
+        # Бесконечный цикл прослушивания
+        while True:
+            for pubsub in pubsubs:
+                msg = pubsub.get_message()
+                notification_service.handle_reaction(msg["data"])
+
+    except Exception:
+        pass
+    finally:
+        # Отписка от каналов при завершении
+        for pubsub in pubsubs:
+            close_notification_channel(pubsub)
+
+
+def stop():
+    for pubsub in pubsubs:
+        close_notification_channel(pubsub)