feat : 알림 템플릿, 알림 타입 추가 (#80)

src/main/java/cmf/commitField/domain/commit/sinceCommit/service/SinceCommitService.java

@@ -2,8 +2,6 @@
 
 import cmf.commitField.domain.commit.sinceCommit.dto.CommitAnalysisResponseDto;
 import cmf.commitField.domain.commit.sinceCommit.dto.SinceCommitResponseDto;
-import lombok.AllArgsConstructor;
-import lombok.NoArgsConstructor;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Value;

src/main/java/cmf/commitField/domain/noti/noti/entity/Noti.java

@@ -3,12 +3,15 @@
 import cmf.commitField.domain.user.entity.User;
 import cmf.commitField.global.jpa.BaseEntity;
 import jakarta.persistence.Entity;
+import jakarta.persistence.EnumType;
+import jakarta.persistence.Enumerated;
 import jakarta.persistence.ManyToOne;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 import lombok.Setter;
 import lombok.experimental.SuperBuilder;
+import org.hibernate.annotations.ColumnDefault;
 
 import static lombok.AccessLevel.PROTECTED;
 
@@ -19,13 +22,16 @@
 @Getter
 @Setter
 public class Noti extends BaseEntity {
+    @Enumerated(EnumType.STRING)
+    private NotiType typeCode; // 알림 타입
+    private NotiDetailType type2Code; // 알림 세부 타입
     @ManyToOne
-    private User actor;
-    @ManyToOne
-    private User receiver;
-    private String relTypeCode;
-    private long relId;
-    private String typeCode;
-    private String type2Code;
-    private boolean read;
+    private User receiver; // 알림을 받는 사람
+    @ColumnDefault("false")
+    private boolean isRead; // 읽음 상태
+    private String message; // 알림 메시지
+
+    // TODO: 알림이 연결된 객체 어떻게 처리할지 고민 필요.
+//    private String relTypeCode; // 알림이 연결된 실제 객체 유형
+//    private long relId; // 알림 객체의 Id
 }

src/main/java/cmf/commitField/domain/noti/noti/entity/NotiDetailType.java

@@ -0,0 +1,13 @@
+package cmf.commitField.domain.noti.noti.entity;
+
+public enum NotiDetailType {
+    // 업적
+    ACHIEVEMENT_COMPLETED,  // 업적 달성
+
+    // 연속
+    STREAK_CONTINUED,  // 연속 커밋 이어짐
+    STREAK_BROKEN,  // 연속 커밋 끊김
+
+    // 시즌
+    SEASON_START    // 시즌 시작
+}

src/main/java/cmf/commitField/domain/noti/noti/entity/NotiMessageTemplates.java

@@ -0,0 +1,18 @@
+package cmf.commitField.domain.noti.noti.entity;
+
+import java.util.Map;
+
+public class NotiMessageTemplates {
+    // 알림 메시지 템플릿을 저장하는 맵
+    private static final Map<NotiDetailType, String> TEMPLATES = Map.of(
+            NotiDetailType.ACHIEVEMENT_COMPLETED, "🎉 {0}님이 '{1}' 업적을 달성했습니다!",
+            NotiDetailType.STREAK_CONTINUED, "🔥 {0}님의 연속 커밋이 {1}일째 이어지고 있습니다!",
+            NotiDetailType.STREAK_BROKEN, "😢 {0}님의 연속 커밋 기록이 끊겼습니다. 다음번엔 더 오래 유지해봐요!",
+            NotiDetailType.SEASON_START, "🚀 새로운 시즌 '{0}'이 시작되었습니다! 랭킹 경쟁을 준비하세요!"
+    );
+
+    // 알림 메시지 템플릿을 반환하는 메서드
+    public static String getTemplate(NotiDetailType type) {
+        return TEMPLATES.getOrDefault(type, "알림 메시지가 없습니다.");
+    }
+}

src/main/java/cmf/commitField/domain/noti/noti/entity/NotiType.java

@@ -0,0 +1,10 @@
+package cmf.commitField.domain.noti.noti.entity;
+
+public enum NotiType {
+    RANK,           // 랭킹
+    ACHIEVEMENT,    // 업적
+    ABSENCE,        // 부재
+    STREAK,         // 연속
+    SEASON,         // 시즌
+    NOTICE          // 공지
+}

src/main/java/cmf/commitField/domain/noti/noti/eventListener/NotiEventListener.java

@@ -1,24 +1,35 @@
 package cmf.commitField.domain.noti.noti.eventListener;
 
+import cmf.commitField.domain.noti.noti.entity.NotiDetailType;
+import cmf.commitField.domain.noti.noti.entity.NotiType;
 import cmf.commitField.domain.noti.noti.service.NotiService;
+import cmf.commitField.global.chat.ChatMessageDto;
+import cmf.commitField.global.event.CommitHistoryEvent;
 import lombok.RequiredArgsConstructor;
+import org.springframework.kafka.annotation.KafkaListener;
 import org.springframework.stereotype.Component;
 
 @Component
 @RequiredArgsConstructor
 public class NotiEventListener {
+    // 이벤트가 호출될 때 실행되는 메서드
+    // 메서드를 별도의 스레드에서 비동기적으로 실행하도록 만듦
     private final NotiService notiService;
 
-//    public void listenPost(PostCreatedEvent event){
-//        notiService.postCreated(event.getPost());
-//    }
-//
-//    public void consume(ChatMessageDto message){
-//        System.out.println("Consumed message: " + message);
-//    }
-//
-//    public void consumeChatRoom1DLT(byte[] in){
-//        String message = new String(in);
-//        System.out.println("Failed message: " + message);
-//    }
+    // 예시
+    // CommitHistoryEvent 이벤트가 발생하면 notiService.createCommitStreak() 메서드를 실행
+    public void listenCommitStreak(CommitHistoryEvent event){
+        notiService.createCommitStreak(event.getUsername(), NotiType.STREAK, NotiDetailType.STREAK_CONTINUED);
+    }
+
+    @KafkaListener(topics = "chat-room-1", groupId = "1")
+    public void consume(ChatMessageDto message){
+        System.out.println("Consumed message: " + message);
+    }
+
+    @KafkaListener(topics = "chat-room-1-dlt", groupId = "1")
+    public void consumeChatRoom1DLT(byte[] in){
+        String message = new String(in);
+        System.out.println("Failed message: " + message);
+    }
 }

src/main/java/cmf/commitField/domain/noti/noti/service/NotiService.java

@@ -1,23 +1,58 @@
 package cmf.commitField.domain.noti.noti.service;
 
+import cmf.commitField.domain.noti.noti.entity.Noti;
+import cmf.commitField.domain.noti.noti.entity.NotiDetailType;
+import cmf.commitField.domain.noti.noti.entity.NotiMessageTemplates;
+import cmf.commitField.domain.noti.noti.entity.NotiType;
 import cmf.commitField.domain.noti.noti.repository.NotiRepository;
+import cmf.commitField.domain.user.entity.User;
+import cmf.commitField.domain.user.repository.UserRepository;
+import cmf.commitField.global.error.ErrorCode;
+import cmf.commitField.global.exception.CustomException;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
+import java.text.MessageFormat;
+
 @Service
 @RequiredArgsConstructor
 @Transactional(readOnly = true)
 @Slf4j
 public class NotiService {
     private final NotiRepository notiRepository;
+    private final UserRepository userRepository;
+
+    // 알림 메시지 생성
+    public static String generateMessage(NotiDetailType type, Object... params) {
+        String template = NotiMessageTemplates.getTemplate(type);
+        return MessageFormat.format(template, params);
+    }
+
+    // 연속 커밋 알림 생성
+    @Transactional
+    public Noti createCommitStreak(String username, NotiType type, NotiDetailType detailType, Object... params) {
+        // 메시지 생성
+        String message = NotiService.generateMessage(detailType, params);
 
-    public void sendCommitStreakNotification(String username, int streakCount) {
-        log.info("🎉 {}님의 연속 커밋이 {}일로 증가했습니다!", username, streakCount);
-        // 알림을 DB 저장 또는 웹소켓 / 이메일 / 푸시 알림 전송 가능
+        // 사용자 조회 (없으면 예외 처리)
+        User user = userRepository.findByUsername(username).orElseThrow(() -> new CustomException(ErrorCode.NOT_FOUND_USER));
+
+        // 알림 객체 생성 후 저장
+        Noti noti = Noti.builder()
+                .typeCode(type)
+                .type2Code(detailType)
+                .receiver(user)
+                .isRead(false)
+                .message(message)
+                .build();
+
+        return notiRepository.save(noti);
     }
 
+
+
 //    public CommitAnalysisResponseDto getCommitAnalysis(String owner, String repo, String username, LocalDateTime since, LocalDateTime until) {
 //        List<SinceCommitResponseDto> commits = getSinceCommits(owner, repo, since, until);
 //        StreakResult streakResult = calculateStreaks(commits);

src/main/java/cmf/commitField/global/chat/ChatMessageDto.java

@@ -0,0 +1,12 @@
+package cmf.commitField.global.chat;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class ChatMessageDto {
+    private String msg;
+}

src/main/java/cmf/commitField/global/event/CommitHistoryEvent.java

@@ -0,0 +1,14 @@
+package cmf.commitField.global.event;
+
+import lombok.Getter;
+import org.springframework.context.ApplicationEvent;
+
+// event 객체 참고
+@Getter
+public class CommitHistoryEvent extends ApplicationEvent {
+    private final String username;
+    public CommitHistoryEvent(Object source, String username) {
+        super(source);
+        this.username = username;
+    }
+}

src/main/java/cmf/commitField/global/jpa/BaseEntity.java

@@ -35,4 +35,9 @@ public class BaseEntity {
     @CreatedDate
     @Getter
     private LocalDateTime modifiedAt;
+
+    public String getModelName() {
+        String simpleName = this.getClass().getSimpleName();
+        return Character.toLowerCase(simpleName.charAt(0)) + simpleName.substring(1);
+    }
 }