[OING-177] feat: 매일 사용자 휴대폰 FCM 노티 발송 기능 추가

build.gradle

@@ -118,6 +118,7 @@ subprojects {
         implementation 'org.springframework.boot:spring-boot-starter-security'
         implementation 'com.github.f4b6a3:ulid-creator:5.2.2'
         implementation 'io.jsonwebtoken:jjwt-api:0.11.5'
+        implementation 'com.google.firebase:firebase-admin:9.2.0'
         implementation 'com.google.api-client:google-api-client:1.32.1'
         implementation 'org.springframework.boot:spring-boot-starter-data-redis'
         implementation 'com.fasterxml.jackson.datatype:jackson-datatype-jsr310:2.12.3'

common/src/main/java/com/oing/service/FCMNotificationService.java

@@ -0,0 +1,15 @@
+package com.oing.service;
+
+import com.google.firebase.messaging.Message;
+import com.google.firebase.messaging.MulticastMessage;
+
+/**
+ * no5ing-server
+ * User: CChuYong
+ * Date: 2/2/24
+ * Time: 4:09 AM
+ */
+public interface FCMNotificationService {
+    void sendMessage(Message message);
+    void sendMulticastMessage(MulticastMessage message);
+}

gateway/src/main/java/com/oing/component/ApplicationListener.java

@@ -1,5 +1,6 @@
 package com.oing.component;
 
+import com.oing.domain.BulkNotificationCompletedEvent;
 import com.oing.domain.ErrorReportDTO;
 import lombok.RequiredArgsConstructor;
 import org.springframework.context.event.EventListener;
@@ -27,6 +28,46 @@ private boolean isProductionInstance() {
         return activeProfiles != null && (Arrays.asList(activeProfiles).contains("prod") || Arrays.asList(activeProfiles).contains("dev"));
     }
 
+    @Async
+    @EventListener
+    public void onNotificationSent(BulkNotificationCompletedEvent event) {
+        if (!isProductionInstance()) return;
+        SlackGateway.SlackBotDto dto = SlackGateway.SlackBotDto.builder()
+                .attachments(List.of(
+                        SlackGateway.SlackBotAttachmentDto.builder()
+                                .authorName("no5ing-server")
+                                .title("알림 발송 리포트")
+                                .color("#abcdef")
+                                .text("백엔드 서버에서 FCM 벌크 알림이 발송되었습니다")
+                                .fields(List.of(
+                                        SlackGateway.SlackBotFieldDto.builder()
+                                                .title("알림 종류")
+                                                .value(event.reason())
+                                                .shortField(false)
+                                                .build(),
+                                        SlackGateway.SlackBotFieldDto.builder()
+                                                .title("알람 발송 대상 기기 수")
+                                                .value(String.valueOf(event.totalTargets()))
+                                                .shortField(true)
+                                                .build(),
+                                        SlackGateway.SlackBotFieldDto.builder()
+                                                .title("알람 발송 대상 사용자 수")
+                                                .value(String.valueOf(event.totalMembers()))
+                                                .shortField(true)
+                                                .build(),
+                                        SlackGateway.SlackBotFieldDto.builder()
+                                                .title("소요시간 (밀리초)")
+                                                .value(String.valueOf(event.elapsedMillis()))
+                                                .shortField(true)
+                                                .build()
+                                ))
+                                .build()
+                ))
+                .build();
+
+        slackGateway.sendSlackBotMessage(dto);
+    }
+
     @Async
     @EventListener
     public void onErrorReport(ErrorReportDTO errorReportDTO) {

gateway/src/main/java/com/oing/component/FCMNotificationServiceImpl.java

@@ -0,0 +1,33 @@
+package com.oing.component;
+
+import com.google.firebase.messaging.FirebaseMessaging;
+import com.google.firebase.messaging.Message;
+import com.google.firebase.messaging.MulticastMessage;
+import com.oing.service.FCMNotificationService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
+import org.springframework.stereotype.Component;
+
+/**
+ * no5ing-server
+ * User: CChuYong
+ * Date: 2/2/24
+ * Time: 4:10 AM
+ */
+
+@RequiredArgsConstructor
+@Component
+@ConditionalOnBean(FirebaseMessaging.class)
+public class FCMNotificationServiceImpl implements FCMNotificationService {
+    private final FirebaseMessaging firebaseMessaging;
+
+    @Override
+    public void sendMessage(Message message) {
+        firebaseMessaging.sendAsync(message);
+    }
+
+    @Override
+    public void sendMulticastMessage(MulticastMessage message) {
+        firebaseMessaging.sendEachForMulticastAsync(message);
+    }
+}

gateway/src/main/java/com/oing/component/MockFCMNotificationServiceImpl.java

@@ -0,0 +1,35 @@
+package com.oing.component;
+
+import com.google.firebase.messaging.FirebaseMessaging;
+import com.google.firebase.messaging.Message;
+import com.google.firebase.messaging.MulticastMessage;
+import com.oing.service.FCMNotificationService;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
+import org.springframework.stereotype.Component;
+
+/**
+ * no5ing-server
+ * User: CChuYong
+ * Date: 2/2/24
+ * Time: 4:10 AM
+ */
+
+@Slf4j
+@RequiredArgsConstructor
+@Component
+@ConditionalOnMissingBean(FirebaseMessaging.class)
+public class MockFCMNotificationServiceImpl implements FCMNotificationService {
+
+    @Override
+    public void sendMessage(Message message) {
+        log.info("MockFCMNotificationServiceImpl.sendMessage: {}", message);
+    }
+
+    @Override
+    public void sendMulticastMessage(MulticastMessage message) {
+        log.info("MockFCMNotificationServiceImpl.sendMulticastMessage: {}", message);
+    }
+}

gateway/src/main/java/com/oing/component/SlackGateway.java

@@ -48,7 +48,7 @@ public static class SlackBotAttachmentDto {
         @JsonProperty("mrkdwn_in")
         final String mrkdwn_in = "[\"text\"]";
         @JsonProperty("color")
-        final String color = "#ff2400";
+        String color = "#ff2400";
         @JsonProperty("author_name")
         final String authorName;
         @JsonProperty("title")

gateway/src/main/java/com/oing/config/FirebaseConfig.java

@@ -0,0 +1,36 @@
+package com.oing.config;
+
+import com.google.auth.oauth2.GoogleCredentials;
+import com.google.firebase.FirebaseApp;
+import com.google.firebase.FirebaseOptions;
+import com.google.firebase.messaging.FirebaseMessaging;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Profile;
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.util.Base64;
+
+/**
+ * no5ing-server
+ * User: CChuYong
+ * Date: 2/2/24
+ * Time: 3:59 AM
+ */
+@Profile({"prod", "dev"})
+@Configuration
+public class FirebaseConfig {
+    @Value("${cloud.firebase}")
+    private String firebaseSecret;
+
+    @Bean
+    public FirebaseMessaging firebaseMessaging() throws IOException {
+        ByteArrayInputStream credentials = new ByteArrayInputStream(Base64.getDecoder().decode(firebaseSecret));
+        FirebaseOptions options = FirebaseOptions.builder()
+                .setCredentials(GoogleCredentials.fromStream(credentials)).build();
+        FirebaseApp firebaseApp = FirebaseApp.initializeApp(options);
+        return FirebaseMessaging.getInstance(firebaseApp);
+    }
+}

gateway/src/main/java/com/oing/domain/BulkNotificationCompletedEvent.java

@@ -0,0 +1,15 @@
+package com.oing.domain;
+
+/**
+ * no5ing-server
+ * User: CChuYong
+ * Date: 2/2/24
+ * Time: 4:49 AM
+ */
+public record BulkNotificationCompletedEvent(
+        String reason,
+        int totalTargets,
+        int totalMembers,
+        long elapsedMillis
+) {
+}

gateway/src/main/java/com/oing/job/DailyNotificationJob.java

@@ -0,0 +1,122 @@
+package com.oing.job;
+
+import com.google.common.collect.Lists;
+import com.google.firebase.messaging.ApnsConfig;
+import com.google.firebase.messaging.Aps;
+import com.google.firebase.messaging.MulticastMessage;
+import com.google.firebase.messaging.Notification;
+import com.oing.domain.BulkNotificationCompletedEvent;
+import com.oing.domain.Member;
+import com.oing.service.FCMNotificationService;
+import com.oing.service.MemberDeviceService;
+import com.oing.service.MemberPostService;
+import com.oing.service.MemberService;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.context.ApplicationEventPublisher;
+import org.springframework.scheduling.annotation.Scheduled;
+import org.springframework.stereotype.Component;
+
+import java.time.LocalDate;
+import java.util.HashSet;
+import java.util.List;
+
+/**
+ * no5ing-server
+ * User: CChuYong
+ * Date: 2/2/24
+ * Time: 4:16 AM
+ */
+@Slf4j
+@RequiredArgsConstructor
+@Component
+public class DailyNotificationJob {
+    private final ApplicationEventPublisher eventPublisher;
+    private final FCMNotificationService fcmNotificationService;
+
+    private final MemberService memberService;
+    private final MemberDeviceService memberDeviceService;
+    private final MemberPostService memberPostService;
+
+    @Scheduled(cron = "0 0 12 * * *", zone = "Asia/Seoul") // 12:00 PM
+    public void sendDailyUploadNotification() {
+        long start = System.currentTimeMillis();
+        log.info("[DailyNotificationJob] 오늘 업로드 알림 전송 시작");
+        HashSet<String> targetFcmTokens = new HashSet<>();
+        List<Member> members = memberService.findAllMember();
+        for (Member member : members) {
+            targetFcmTokens.addAll(memberDeviceService.getFcmTokensByMemberId(member.getId()));
+        }
+
+        Lists.partition(targetFcmTokens.stream().toList(), 500).forEach(partitionedList -> {
+            MulticastMessage multicastMessage = MulticastMessage.builder()
+                    .setNotification(
+                            buildNotification("삐삐", "지금 바로 가족에게 일상 공유를 해볼까요?")
+                    )
+                    .addAllTokens(partitionedList)
+                    .setApnsConfig(buildApnsConfig())
+                    .build();
+            fcmNotificationService.sendMulticastMessage(multicastMessage);
+        });
+        log.info("[DailyNotificationJob] 오늘 업로드 알림 전송 완료. (총 {}명, {}토큰) 소요시간 : {}ms",
+                members.size(),
+                targetFcmTokens.size(),
+                System.currentTimeMillis() - start);
+
+        eventPublisher.publishEvent(
+                new BulkNotificationCompletedEvent(
+                        "오늘 업로드 알림 전송 완료", targetFcmTokens.size(), members.size(),
+                        System.currentTimeMillis() - start
+                )
+        );
+    }
+
+    @Scheduled(cron = "0 30 23 * * *", zone = "Asia/Seoul") // 11:30 PM
+    public void sendDailyRemainingNotification() {
+        long start = System.currentTimeMillis();
+        log.info("[DailyNotificationJob] 오늘 미 업로드 사용자 대상 알림 전송 시작");
+        LocalDate today = LocalDate.now();
+        List<Member> allMembers = memberService.findAllMember();
+        HashSet<String> targetFcmTokens = new HashSet<>();
+        HashSet<String> postedMemberIds = new HashSet<>(memberPostService.getMemberIdsPostedToday(today));
+        allMembers.stream()
+                .filter(member -> !postedMemberIds.contains(member.getId())) //오늘 업로드한 사람이 아닌 사람들은
+                .forEach(member -> targetFcmTokens.addAll(memberDeviceService.getFcmTokensByMemberId(member.getId())));
+
+        Lists.partition(targetFcmTokens.stream().toList(), 500).forEach(partitionedList -> {
+            MulticastMessage multicastMessage = MulticastMessage.builder()
+                    .setNotification(
+                         buildNotification("삐삐", "사진을 공유할 수 있는 시간이 얼마 남지 않았어요.")
+                    )
+                    .addAllTokens(partitionedList)
+                    .setApnsConfig(buildApnsConfig())
+                    .build();
+            fcmNotificationService.sendMulticastMessage(multicastMessage);
+        });
+        log.info("[DailyNotificationJob] 오늘 미 업로드 사용자 대상 알림 전송 완료. (총 {}명, {}토큰) 소요시간 : {}ms",
+                allMembers.size() - postedMemberIds.size(),
+                targetFcmTokens.size(),
+                System.currentTimeMillis() - start);
+
+        eventPublisher.publishEvent(
+                new BulkNotificationCompletedEvent(
+                        "오늘 미업로드자 업로드 알림 전송 완료", targetFcmTokens.size(),
+                        allMembers.size() - postedMemberIds.size(),
+                        System.currentTimeMillis() - start
+                )
+        );
+    }
+
+    private Notification buildNotification(String title, String body){
+        return Notification.builder()
+                .setTitle(title)
+                .setBody(body)
+                .build();
+    }
+
+    private ApnsConfig buildApnsConfig(){
+        return ApnsConfig.builder()
+                .setAps(Aps.builder().setSound("default").build())
+                .build();
+    }
+}

gateway/src/main/java/com/oing/repository/MemberPostRepositoryCustomImpl.java

@@ -24,6 +24,15 @@ public class MemberPostRepositoryCustomImpl implements MemberPostRepositoryCusto
 
     private final JPAQueryFactory queryFactory;
 
+    @Override
+    public List<String> getMemberIdsPostedToday(LocalDate date) {
+        return queryFactory
+                .select(memberPost.memberId)
+                .from(memberPost)
+                .where(memberPost.createdAt.between(date.atStartOfDay(), date.atTime(23, 59, 59)))
+                .fetch();
+    }
+
     @Override
     public List<MemberPost> findLatestPostOfEveryday(List<String> memberIds, LocalDateTime startDate, LocalDateTime endDate) {
         return queryFactory

gateway/src/main/resources/application-prod.yaml

@@ -46,4 +46,4 @@ management:
   endpoints:
     web:
       exposure:
-        include: health,info,prometheus
+        include: health,info,prometheus

gateway/src/main/resources/application.yaml

@@ -88,6 +88,7 @@ logging:
     com.oing: DEBUG
 
 cloud:
+  firebase: ${FIREBASE_SECRET}
   ncp:
     region: ${OBJECT_STORAGE_REGION}
     end-point: ${OBJECT_STORAGE_END_POINT}
@@ -111,4 +112,4 @@ management:
   endpoints:
     web:
       exposure:
-        include: health,info,prometheus
+        include: health,info,prometheus

member/src/main/java/com/oing/repository/MemberDeviceRepository.java

@@ -4,5 +4,8 @@
 import com.oing.domain.key.MemberDeviceKey;
 import org.springframework.data.jpa.repository.JpaRepository;
 
+import java.util.List;
+
 public interface MemberDeviceRepository extends JpaRepository<MemberDevice, MemberDeviceKey> {
+    List<MemberDevice> findAllByMemberId(String memberId);
 }

member/src/main/java/com/oing/repository/MemberRepository.java

@@ -21,4 +21,6 @@ public interface MemberRepository extends JpaRepository<Member, String> {
     Page<Member> findAllByFamilyIdAndDeletedAtIsNull(String familyId, PageRequest pageRequest);
 
     long countByFamilyIdAndFamilyJoinAtBefore(String familyId, LocalDateTime dateTime);
+
+    List<Member> findAllByDeletedAtIsNull();
 }