커뮤니티 엔티티 정의

src/main/java/com/example/solidconnection/entity/Board.java

@@ -0,0 +1,29 @@
+package com.example.solidconnection.entity;
+
+import jakarta.persistence.*;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@Entity
+@Getter
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class Board {
+
+    @Id
+    @Column(length = 20)
+    private String code;
+
+    @Column(nullable = false, length = 20)
+    private String koreanName;
+
+    @OneToMany(mappedBy = "board", cascade = CascadeType.ALL)
+    private List<Post> postList = new ArrayList<>();
+}
+

src/main/java/com/example/solidconnection/entity/Comment.java

@@ -0,0 +1,42 @@
+package com.example.solidconnection.entity;
+
+import com.example.solidconnection.entity.common.BaseEntity;
+import com.example.solidconnection.siteuser.domain.SiteUser;
+import jakarta.persistence.*;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@Entity
+@Getter
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class Comment extends BaseEntity {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @Column(length = 255)
+    private String content;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "post_id")
+    private Post post;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "site_user_id")
+    private SiteUser siteUser;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "parent_id")
+    private Comment parentComment;
+
+    @OneToMany(mappedBy = "parentComment", cascade = CascadeType.ALL)
+    private List<Comment> commentList = new ArrayList<>();
+}

src/main/java/com/example/solidconnection/entity/Post.java

@@ -0,0 +1,54 @@
+package com.example.solidconnection.entity;
+
+import com.example.solidconnection.entity.common.BaseEntity;
+import com.example.solidconnection.entity.mapping.PostLike;
+import com.example.solidconnection.siteuser.domain.SiteUser;
+import com.example.solidconnection.type.PostCategory;
+import jakarta.persistence.*;
+import lombok.*;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@Entity
+@Getter
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+@ToString
+public class Post extends BaseEntity {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @Column(length = 255)
+    private String title;
+
+    @Column(length = 1000)
+    private String content;
+
+    private Boolean isQuestion;
+
+    private Long likeCount;
+
+    @Enumerated(EnumType.STRING)
+    private PostCategory category;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "board_code")
+    private Board board;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "site_user_id")
+    private SiteUser siteUser;
+
+    @OneToMany(mappedBy = "post", cascade = CascadeType.ALL)
+    private List<Comment> commentList = new ArrayList<>();
+
+    @OneToMany(mappedBy = "post", cascade = CascadeType.ALL, orphanRemoval = true)
+    private List<PostImage> postImageList = new ArrayList<>();
+
+    @OneToMany(mappedBy = "post", cascade = CascadeType.ALL)
+    private List<PostLike> postLikeList = new ArrayList<>();
+}

src/main/java/com/example/solidconnection/entity/PostImage.java

@@ -0,0 +1,25 @@
+package com.example.solidconnection.entity;
+
+import jakarta.persistence.*;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Entity
+@Getter
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class PostImage {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @Column(length = 500)
+    private String url;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "post_id")
+    private Post post;
+}

src/main/java/com/example/solidconnection/entity/common/BaseEntity.java

@@ -0,0 +1,26 @@
+package com.example.solidconnection.entity.common;
+
+import jakarta.persistence.EntityListeners;
+import jakarta.persistence.MappedSuperclass;
+import lombok.Getter;
+import org.hibernate.annotations.DynamicInsert;
+import org.hibernate.annotations.DynamicUpdate;
+import org.springframework.data.annotation.CreatedDate;
+import org.springframework.data.annotation.LastModifiedDate;
+import org.springframework.data.jpa.domain.support.AuditingEntityListener;
+
+import java.time.LocalDateTime;
+
+@MappedSuperclass
+@EntityListeners(AuditingEntityListener.class)
+@Getter
+@DynamicUpdate
+@DynamicInsert
+public abstract class BaseEntity {
+
+    @CreatedDate
+    private LocalDateTime createdAt;
+
+    @LastModifiedDate
+    private LocalDateTime updatedAt;
+}

src/main/java/com/example/solidconnection/entity/mapping/PostLike.java

@@ -0,0 +1,28 @@
+package com.example.solidconnection.entity.mapping;
+
+import com.example.solidconnection.entity.Post;
+import com.example.solidconnection.siteuser.domain.SiteUser;
+import jakarta.persistence.*;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Entity
+@Getter
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class PostLike {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "post_id")
+    private Post post;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "site_user_id")
+    private SiteUser siteUser;
+}

src/main/java/com/example/solidconnection/siteuser/domain/SiteUser.java

@@ -1,26 +1,24 @@
 package com.example.solidconnection.siteuser.domain;
 
+import com.example.solidconnection.entity.Comment;
+import com.example.solidconnection.entity.Post;
+import com.example.solidconnection.entity.mapping.PostLike;
 import com.example.solidconnection.type.Gender;
 import com.example.solidconnection.type.PreparationStatus;
 import com.example.solidconnection.type.Role;
-import jakarta.persistence.Column;
-import jakarta.persistence.Entity;
-import jakarta.persistence.EnumType;
-import jakarta.persistence.Enumerated;
-import jakarta.persistence.GeneratedValue;
-import jakarta.persistence.GenerationType;
-import jakarta.persistence.Id;
-import lombok.AccessLevel;
-import lombok.Getter;
-import lombok.NoArgsConstructor;
-import lombok.Setter;
+import jakarta.persistence.*;
+import lombok.*;
 
 import java.time.LocalDate;
 import java.time.LocalDateTime;
+import java.util.ArrayList;
+import java.util.List;
 
 @Getter
 @NoArgsConstructor(access = AccessLevel.PROTECTED)
 @Entity
+@Builder
+@AllArgsConstructor
 public class SiteUser {
 
     @Id
@@ -59,6 +57,15 @@ public class SiteUser {
     @Setter
     private LocalDate quitedAt;
 
+    @OneToMany(mappedBy = "siteUser", cascade = CascadeType.ALL)
+    private List<Post> postList = new ArrayList<>();
+
+    @OneToMany(mappedBy = "siteUser", cascade = CascadeType.ALL)
+    private List<Comment> commentList = new ArrayList<>();
+
+    @OneToMany(mappedBy = "siteUser", cascade = CascadeType.ALL)
+    private List<PostLike> postLikeList = new ArrayList<>();
+
     public SiteUser(
             String email,
             String nickname,

src/main/java/com/example/solidconnection/type/PostCategory.java

@@ -0,0 +1,5 @@
+package com.example.solidconnection.type;
+
+public enum PostCategory {
+    전체, 자유, 질문
+}

src/test/java/com/example/solidconnection/database/DatabaseConnectionTest.java

@@ -44,7 +44,12 @@ void connectDatabaseAndCheckTables() {
                 () -> assertThat(isTableExist("LANGUAGE_REQUIREMENT")).isTrue(),
                 () -> assertThat(isTableExist("UNIVERSITY")).isTrue(),
                 () -> assertThat(isTableExist("LIKED_UNIVERSITY")).isTrue(),
-                () -> assertThat(isTableExist("UNIVERSITY_INFO_FOR_APPLY")).isTrue()
+                () -> assertThat(isTableExist("UNIVERSITY_INFO_FOR_APPLY")).isTrue(),
+                () -> assertThat(isTableExist("BOARD")).isTrue(),
+                () -> assertThat(isTableExist("COMMENT")).isTrue(),
+                () -> assertThat(isTableExist("POST")).isTrue(),
+                () -> assertThat(isTableExist("POST_IMAGE")).isTrue(),
+                () -> assertThat(isTableExist("POST_LIKE")).isTrue()
         );
     }