✨ 내가 조회한 크리에이터 기능 추가 (#115)

* 🐛 오류 해결

* 🗃️ ViewRecord 테이블 추가

* 🗃️ UsersViewRecord 테이블 추가

* 🗃️ 연관관계 설정

* 🐛 컬럼명 변경

* 🗃️ BaseEntity 추가

* ✨ ViewRecordRepository와 Exception 작성

* ✨ UsersViewRecordRepository와 Exception 작성

* 🎨 ViewService 인터페이스 작성

---------

Co-authored-by: MinseoKangQ <[email protected]>

src/main/java/org/example/gather_back_end/domain/User.java

@@ -83,6 +83,9 @@ public class User extends BaseEntity {
     @OneToMany(mappedBy = "user", cascade = CascadeType.ALL, orphanRemoval = true)
     private List<Work> workList = new ArrayList<>();
 
+    @OneToMany(mappedBy = "user", cascade = CascadeType.ALL, orphanRemoval = true)
+    private List<UsersViewRecord> usersViewRecordList = new ArrayList<>();
+
     // 유저 생성
     public static User createUserInfo(String profileImgUrl, String username, String name, String email, String role, String nickname) {
         return User.builder()

src/main/java/org/example/gather_back_end/domain/UsersViewRecord.java

@@ -0,0 +1,40 @@
+package org.example.gather_back_end.domain;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.FetchType;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.ManyToOne;
+import jakarta.persistence.Table;
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import org.example.gather_back_end.util.entity.BaseEntity;
+
+@Entity
+@Table(name = "ViewRecord")
+@Getter
+@Builder
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@AllArgsConstructor(access = AccessLevel.PROTECTED)
+public class UsersViewRecord extends BaseEntity {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    // 회원 연관관계
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "user_id")
+    private User user;
+
+    // 기록 테이블 연관관계
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "view_record_id")
+    private ViewRecord viewRecord;
+
+}

src/main/java/org/example/gather_back_end/domain/ViewRecord.java

@@ -0,0 +1,40 @@
+package org.example.gather_back_end.domain;
+
+import jakarta.persistence.CascadeType;
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.OneToMany;
+import jakarta.persistence.Table;
+import java.util.ArrayList;
+import java.util.List;
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import org.example.gather_back_end.util.entity.BaseEntity;
+
+@Entity
+@Table(name = "ViewRecord")
+@Getter
+@Builder
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@AllArgsConstructor(access = AccessLevel.PROTECTED)
+public class ViewRecord extends BaseEntity {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    // 몇 번 봤는지
+    @Builder.Default
+    private Integer viewCount = 0;
+
+    // 크리에이터명
+    private String nickname;
+
+    @OneToMany(mappedBy = "viewRecord", cascade = CascadeType.ALL, orphanRemoval = true)
+    private List<UsersViewRecord> usersViewRecordList = new ArrayList<>();
+}

src/main/java/org/example/gather_back_end/repository/UsersViewRecordRepository.java

@@ -0,0 +1,17 @@
+package org.example.gather_back_end.repository;
+
+import java.util.Optional;
+import org.example.gather_back_end.domain.UsersViewRecord;
+import org.example.gather_back_end.view.exception.UsersViewRecordNotFoundException;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface UsersViewRecordRepository extends JpaRepository<UsersViewRecord, Long> {
+
+    default UsersViewRecord getById(Long id) {
+        return findById(id).orElseThrow(UsersViewRecordNotFoundException::new);
+    }
+
+    Optional<UsersViewRecord> findById(Long id);
+}

src/main/java/org/example/gather_back_end/repository/ViewRecordRepository.java

@@ -0,0 +1,17 @@
+package org.example.gather_back_end.repository;
+
+import java.util.Optional;
+import org.example.gather_back_end.domain.ViewRecord;
+import org.example.gather_back_end.view.exception.ViewRecordNotFoundException;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface ViewRecordRepository extends JpaRepository<ViewRecord, Long> {
+
+    default ViewRecord getById(Long id) {
+        return findById(id).orElseThrow(ViewRecordNotFoundException::new);
+    }
+
+    Optional<ViewRecord> findById(Long id);
+}

src/main/java/org/example/gather_back_end/view/exception/UsersViewRecordNotFoundException.java

@@ -0,0 +1,10 @@
+package org.example.gather_back_end.view.exception;
+
+import org.example.gather_back_end.util.exception.BaseException;
+
+public class UsersViewRecordNotFoundException extends BaseException {
+
+    public UsersViewRecordNotFoundException() {
+        super(ViewRecordErrorCode.USERS_VIEW_RECORD_NOT_FOUND);
+    }
+}

src/main/java/org/example/gather_back_end/view/exception/ViewRecordErrorCode.java

@@ -0,0 +1,19 @@
+package org.example.gather_back_end.view.exception;
+
+import static org.example.gather_back_end.util.constant.StaticValue.NOT_FOUND;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import org.example.gather_back_end.util.exception.BaseErrorCode;
+
+@Getter
+@AllArgsConstructor
+public enum ViewRecordErrorCode implements BaseErrorCode {
+
+    VIEW_RECORD_NOT_FOUND(NOT_FOUND, "VIEW_RECORD_404_1", "ViewRecord 엔티티를 찾을 수 없습니다."),
+    USERS_VIEW_RECORD_NOT_FOUND(NOT_FOUND, "USERS_VIEW_RECORD_404_1", "UsersViewRecord 엔티티를 찾을 수 없습니다.");
+
+    private final int httpStatus;
+    private final String code;
+    private final String message;
+}

src/main/java/org/example/gather_back_end/view/exception/ViewRecordNotFoundException.java

@@ -0,0 +1,10 @@
+package org.example.gather_back_end.view.exception;
+
+import org.example.gather_back_end.util.exception.BaseException;
+
+public class ViewRecordNotFoundException extends BaseException {
+
+    public ViewRecordNotFoundException() {
+        super(ViewRecordErrorCode.VIEW_RECORD_NOT_FOUND);
+    }
+}

src/main/java/org/example/gather_back_end/view/service/ViewService.java

@@ -0,0 +1,9 @@
+package org.example.gather_back_end.view.service;
+
+import java.util.List;
+import org.example.gather_back_end.creator.dto.filtering.CreatorInfo;
+
+public interface ViewService {
+    void execute(String providerId, String nickname);
+    List<CreatorInfo> getViewCreatorList(String providerId);
+}