Add telegram bot

backend/app/api/v1/marathons.py

@@ -27,6 +27,7 @@ from app.schemas import (
     UserPublic,
     SetParticipantRole,
 )
+from app.services.telegram_notifier import telegram_notifier
 
 router = APIRouter(prefix="/marathons", tags=["marathons"])
 
@@ -294,6 +295,9 @@ async def start_marathon(marathon_id: int, current_user: CurrentUser, db: DbSess
 
     await db.commit()
 
+    # Send Telegram notifications
+    await telegram_notifier.notify_marathon_start(db, marathon_id, marathon.title)
+
     return await get_marathon(marathon_id, current_user, db)
 
 
@@ -319,6 +323,9 @@ async def finish_marathon(marathon_id: int, current_user: CurrentUser, db: DbSes
 
     await db.commit()
 
+    # Send Telegram notifications
+    await telegram_notifier.notify_marathon_finish(db, marathon_id, marathon.title)
+
     return await get_marathon(marathon_id, current_user, db)