feat: add counter route

backend/src/modules/events/repository.py

@@ -27,7 +27,9 @@ async def create_many(self, events: list[Event]) -> bool:
             return False
         return True
 
-    async def read_with_filters(self, filters: Filters, sort: Sort, pagination: Pagination) -> list[Event]:
+    async def read_with_filters(
+        self, filters: Filters, sort: Sort, pagination: Pagination, count: bool = False
+    ) -> list[Event] | int:
         query = Event.all()
 
         # Apply filters
@@ -88,6 +90,9 @@ async def read_with_filters(self, filters: Filters, sort: Sort, pagination: Pagi
         if filters.query:
             query = query.find({"$text": {"$search": filters.query}})
 
+        if count:
+            return await query.count()
+
         # Apply sorting
         if sort.date:
             query = query.sort(

backend/src/modules/events/routes.py

@@ -73,6 +73,15 @@ async def search_events(filters: Filters, sort: Sort, pagination: Pagination) ->
     )
 
 
+@router.post("/search/count", responses={200: {"description": "Count events"}})
+async def count_events(filters: Filters) -> int:
+    """
+    Count filtered events.
+    """
+    count = await events_repository.read_with_filters(filters, Sort(), Pagination(page_size=0, page_no=0), count=True)
+    return count
+
+
 class RegionsFilterVariants(BaseModel):
     region: str | None
     "Название региона"