fix: modify send expiration notification logic (#83)

src/main/java/org/swmaestro/repl/gifthub/auth/service/KakaoService.java

@@ -213,5 +213,4 @@ public Member convertKakaoDtotoMember(KakaoDto kakaoDto) {
 				.username(kakaoDto.getUsername())
 				.build();
 	}
-
 }

src/main/java/org/swmaestro/repl/gifthub/config/SecurityConfig.java

@@ -32,8 +32,16 @@ public class SecurityConfig {
 	public SecurityFilterChain filterChain(HttpSecurity httpSecurity) throws Exception {
 		httpSecurity.csrf(csrf -> csrf.disable())
 				.authorizeHttpRequests(authorizeHttpRequests ->
-						authorizeHttpRequests.requestMatchers("/auth/sign-up", "/auth/sign-in", "/auth/sign-in/**",
-										"/swagger-resources/**", "/swagger-ui/**", "/v3/api-docs/**", "/webjars/**", "/error").permitAll()
+						authorizeHttpRequests.requestMatchers(
+										"/auth/sign-up",
+										"/auth/sign-in",
+										"/auth/sign-in/**",
+										"/swagger-resources/**",
+										"/swagger-ui/**",
+										"/v3/api-docs/**",
+										"/webjars/**",
+										"/error",
+										"/notifications").permitAll()
 								.anyRequest().authenticated())
 				.addFilterBefore(jwtAuthenticationFilter, UsernamePasswordAuthenticationFilter.class)
 				.exceptionHandling(exceptionHandling -> exceptionHandling

src/main/java/org/swmaestro/repl/gifthub/notifications/controller/NotificationController.java

@@ -10,6 +10,7 @@
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.swmaestro.repl.gifthub.notifications.dto.DeviceTokenSaveRequestDto;
+import org.swmaestro.repl.gifthub.notifications.dto.NoticeNotificationDto;
 import org.swmaestro.repl.gifthub.notifications.service.FCMNotificationService;
 import org.swmaestro.repl.gifthub.notifications.service.NotificationService;
 import org.swmaestro.repl.gifthub.util.HttpJsonHeaders;
@@ -93,4 +94,21 @@ public ResponseEntity<Message> readNotification(@RequestHeader("Authorization")
 				HttpStatus.OK
 		);
 	}
+
+	@PostMapping
+	@Operation(summary = "Notification 전송 메서드", description = "모든 클라이언트에게 일괄적으로 알림을 전송하기 위한 메서드입니다.")
+	@ApiResponses({
+			@ApiResponse(responseCode = "200", description = "알림 전송 성공")
+	})
+	public ResponseEntity<Message> sendNotification(@RequestBody NoticeNotificationDto noticeNotificationDto) {
+		fcmNotificationService.sendNotification(noticeNotificationDto);
+		return new ResponseEntity<>(
+				Message.builder()
+						.status(StatusEnum.OK)
+						.message("알림 전송에 성공하였습니다!")
+						.build(),
+				new HttpJsonHeaders(),
+				HttpStatus.OK
+		);
+	}
 }

src/main/java/org/swmaestro/repl/gifthub/notifications/dto/NoticeNotificationDto.java

@@ -0,0 +1,18 @@
+package org.swmaestro.repl.gifthub.notifications.dto;
+
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@NoArgsConstructor
+public class NoticeNotificationDto {
+	private String title;
+	private String body;
+
+	@Builder
+	public NoticeNotificationDto(String title, String body) {
+		this.title = title;
+		this.body = body;
+	}
+}

src/main/java/org/swmaestro/repl/gifthub/notifications/entity/Notification.java

@@ -42,7 +42,6 @@ public class Notification {
 	private String message;
 
 	@CreatedDate
-	@Column(nullable = false)
 	private LocalDateTime createdAt;
 
 	private LocalDateTime deletedAt;

src/main/java/org/swmaestro/repl/gifthub/notifications/service/FCMNotificationService.java

@@ -6,9 +6,9 @@
 import org.swmaestro.repl.gifthub.auth.entity.DeviceToken;
 import org.swmaestro.repl.gifthub.auth.service.DeviceTokenService;
 import org.swmaestro.repl.gifthub.auth.service.MemberService;
-import org.swmaestro.repl.gifthub.exception.BusinessException;
 import org.swmaestro.repl.gifthub.notifications.NotificationType;
 import org.swmaestro.repl.gifthub.notifications.dto.FCMNotificationRequestDto;
+import org.swmaestro.repl.gifthub.notifications.dto.NoticeNotificationDto;
 
 import com.google.firebase.messaging.FirebaseMessaging;
 import com.google.firebase.messaging.FirebaseMessagingException;
@@ -50,4 +50,26 @@ public void sendNotificationByToken(FCMNotificationRequestDto requestDto) {
 			}
 		}
 	}
+
+	public void sendNotification(NoticeNotificationDto noticeNotificationDto) {
+		List<DeviceToken> deviceTokenList = deviceTokenService.list();
+
+		for (DeviceToken deviceToken : deviceTokenList) {
+			Notification notification = Notification.builder()
+					.setTitle(noticeNotificationDto.getTitle())
+					.setBody(noticeNotificationDto.getBody())
+					.build();
+
+			Message message = Message.builder()
+					.setToken(deviceToken.getToken())
+					.setNotification(notification)
+					.build();
+
+			try {
+				firebaseMessaging.send(message);
+			} catch (FirebaseMessagingException e) {
+				deviceTokenService.delete(deviceToken.getToken());
+			}
+		}
+	}
 }

src/main/java/org/swmaestro/repl/gifthub/notifications/service/ScheduledTasks.java

@@ -23,7 +23,7 @@ public class ScheduledTasks {
 	private final DeviceTokenService deviceTokenService;
 	private final FCMNotificationService fcmNotificationService;
 
-	@Scheduled(cron = "0 0 10 * * ?", zone = "Asia/Seoul") // 매일 오전 10시 실행
+	@Scheduled(cron = "0 35 10 * * ?", zone = "Asia/Seoul") // 매일 오전 10시 실행
 	public void sendExpirationNotification() {
 		LocalDate today = LocalDate.now();
 		List<Voucher> expiringVoucherList = voucherService.list().stream().filter(voucher -> {