feat(#23): 알림 전체 발송 기능 구현

- 알림 전체 발송 API를 구현했어요.

src/main/java/com/bamdoliro/sinabro/application/notification/SendNotificationToAllUserUseCase.java

@@ -0,0 +1,31 @@
+package com.bamdoliro.sinabro.application.notification;
+
+import com.bamdoliro.sinabro.domain.fcm.token.service.FCMTokenFacade;
+import com.bamdoliro.sinabro.domain.notification.domain.Notification;
+import com.bamdoliro.sinabro.domain.user.domain.User;
+import com.bamdoliro.sinabro.infrastructure.fcm.FCMService;
+import com.bamdoliro.sinabro.infrastructure.persistence.fcm.token.FCMTokenRepository;
+import com.bamdoliro.sinabro.infrastructure.persistence.notification.NotificationRepository;
+import com.bamdoliro.sinabro.infrastructure.persistence.user.UserRepository;
+import com.bamdoliro.sinabro.presentation.notification.dto.request.SendNotificationRequest;
+import com.bamdoliro.sinabro.shared.annotation.UseCase;
+import lombok.RequiredArgsConstructor;
+import org.springframework.transaction.annotation.Transactional;
+
+@RequiredArgsConstructor
+@UseCase
+public class SendNotificationToAllUserUseCase {
+
+    private final FCMService fcmService;
+    private final NotificationRepository notificationRepository;
+    private final FCMTokenRepository fcmTokenRepository;
+
+    @Transactional
+    public void execute(SendNotificationRequest request) {
+        fcmTokenRepository.findAll()
+                .forEach(fcmToken -> {
+                    fcmService.sendMessageTo(fcmToken.getToken(), request.getTitle(), request.getBody());
+                    notificationRepository.save(new Notification(request.getTitle(), request.getBody(), fcmToken.getUser()));
+                });
+    }
+}

src/main/java/com/bamdoliro/sinabro/presentation/notification/NotificationController.java

@@ -1,11 +1,13 @@
 package com.bamdoliro.sinabro.presentation.notification;
 
 import com.bamdoliro.sinabro.application.notification.QueryNotificationListUseCase;
+import com.bamdoliro.sinabro.application.notification.SendNotificationToAllUserUseCase;
 import com.bamdoliro.sinabro.application.notification.SendNotificationUseCase;
 import com.bamdoliro.sinabro.domain.user.domain.User;
 import com.bamdoliro.sinabro.presentation.notification.dto.request.SendNotificationRequest;
 import com.bamdoliro.sinabro.presentation.notification.dto.response.ListNotificationResponse;
 import com.bamdoliro.sinabro.shared.auth.AuthenticationPrincipal;
+import com.bamdoliro.sinabro.shared.auth.Authority;
 import com.bamdoliro.sinabro.shared.response.CommonResponse;
 import com.bamdoliro.sinabro.shared.response.ListCommonResponse;
 import jakarta.validation.Valid;
@@ -19,6 +21,7 @@
 public class NotificationController {
 
     private final SendNotificationUseCase sendNotificationUseCase;
+    private final SendNotificationToAllUserUseCase sendNotificationToAllUserUseCase;
     private final QueryNotificationListUseCase queryNotificationListUseCase;
 
     @ResponseStatus(HttpStatus.NO_CONTENT)
@@ -30,6 +33,15 @@ public void sendNotification(
         sendNotificationUseCase.execute(user, request);
     }
 
+    @ResponseStatus(HttpStatus.NO_CONTENT)
+    @PostMapping("/all")
+    public void sendNotificationToAllUser(
+            @AuthenticationPrincipal(authority = Authority.ADMIN) User user,
+            @RequestBody @Valid SendNotificationRequest request
+    ) {
+        sendNotificationToAllUserUseCase.execute(request);
+    }
+
     @GetMapping
     public ListCommonResponse<ListNotificationResponse> queryNotification(
             @AuthenticationPrincipal User user

src/main/java/com/bamdoliro/sinabro/presentation/notification/dto/request/SendNotificationRequest.java

@@ -1,14 +1,17 @@
 package com.bamdoliro.sinabro.presentation.notification.dto.request;
 
+import jakarta.validation.constraints.NotBlank;
 import lombok.*;
 
 @Getter
 @ToString
 @AllArgsConstructor
 public class SendNotificationRequest {
 
+    @NotBlank(message = "필수값입니다.")
     private String title;
 
+    @NotBlank(message = "필수값입니다.")
     private String body;
 }