Add telegram bot

backend/app/services/events.py

@@ -6,6 +6,7 @@ from sqlalchemy.ext.asyncio import AsyncSession
 
 from app.models import Event, EventType, Marathon, Challenge, Difficulty, Participant, Assignment, AssignmentStatus
 from app.schemas.event import EventEffects, EVENT_INFO, COMMON_ENEMY_BONUSES
+from app.services.telegram_notifier import telegram_notifier
 
 
 class EventService:
@@ -89,6 +90,14 @@ class EventService:
         if created_by_id:
             await db.refresh(event, ["created_by"])
 
+        # Send Telegram notifications
+        result = await db.execute(select(Marathon).where(Marathon.id == marathon_id))
+        marathon = result.scalar_one_or_none()
+        if marathon:
+            await telegram_notifier.notify_event_start(
+                db, marathon_id, event_type, marathon.title
+            )
+
         return event
 
     async def _assign_common_enemy_to_all(
@@ -124,6 +133,9 @@ class EventService:
         result = await db.execute(select(Event).where(Event.id == event_id))
         event = result.scalar_one_or_none()
         if event:
+            event_type = event.type
+            marathon_id = event.marathon_id
+
             event.is_active = False
             if not event.end_time:
                 event.end_time = datetime.utcnow()
@@ -145,6 +157,14 @@ class EventService:
 
             await db.commit()
 
+            # Send Telegram notifications about event end
+            result = await db.execute(select(Marathon).where(Marathon.id == marathon_id))
+            marathon = result.scalar_one_or_none()
+            if marathon:
+                await telegram_notifier.notify_event_end(
+                    db, marathon_id, event_type, marathon.title
+                )
+
     async def consume_jackpot(self, db: AsyncSession, event_id: int) -> None:
         """Consume jackpot event after one spin"""
         await self.end_event(db, event_id)