fix38

Author: ivanvznkv

ewm-service/src/main/java/ru/practicum/ewm/event/repository/EventRepository.java

@@ -65,7 +65,7 @@ Page<Event> searchEventsPublic(@Param("text") String text,
     Long countConfirmedRequests(@Param("eventId") Long eventId);
 
     @Query("SELECT r.event.id, COUNT(r) FROM Request r WHERE r.event.id IN :eventIds AND r.status = 'CONFIRMED' GROUP BY r.event.id")
-    Map<Long, Long> countConfirmedRequestsBatch(@Param("eventIds") List<Long> eventIds);
+    List<Object[]> countConfirmedRequestsBatch(@Param("eventIds") List<Long> eventIds);
 
     @Query("SELECT e FROM Event e " +
             "LEFT JOIN FETCH e.category " +

ewm-service/src/main/java/ru/practicum/ewm/event/service/EventServiceImpl.java

@@ -207,7 +207,12 @@ public List<EventFullDto> getEventsForAdmin(AdminEventSearchParams params) {
 
         List<Event> events = page.getContent();
         List<Long> eventIds = events.stream().map(Event::getId).collect(Collectors.toList());
-        Map<Long, Long> confirmedRequestsMap = eventRepository.countConfirmedRequestsBatch(eventIds);
+        List<Object[]> batchResult = eventRepository.countConfirmedRequestsBatch(eventIds);
+        Map<Long, Long> confirmedRequestsMap = batchResult.stream()
+                .collect(Collectors.toMap(
+                        row -> (Long) row[0],
+                        row -> (Long) row[1]
+                ));
 
         return events.stream()
                 .map(event -> EventMapper.toEventFullDto(event, 0L, confirmedRequestsMap.getOrDefault(event.getId(), 0L)))
@@ -381,6 +386,11 @@ private Map<Long, Long> getViewsMap(List<Event> events) {
     private Map<Long, Long> getConfirmedRequestsMap(List<Event> events) {
         if (events.isEmpty()) return Map.of();
         List<Long> eventIds = events.stream().map(Event::getId).collect(Collectors.toList());
-        return eventRepository.countConfirmedRequestsBatch(eventIds);
+        List<Object[]> batchResult = eventRepository.countConfirmedRequestsBatch(eventIds);
+        return batchResult.stream()
+                .collect(Collectors.toMap(
+                        row -> (Long) row[0],
+                        row -> (Long) row[1]
+                ));
     }
 }