Merge pull request #27 from Gongjakso/feat/entity

feat: Category Entity 생성

src/main/java/com/gongjakso/server/domain/post/entity/Category.java

@@ -0,0 +1,39 @@
+package com.gongjakso.server.domain.post.entity;
+
+import com.gongjakso.server.domain.post.enumerate.CategoryType;
+import com.gongjakso.server.global.common.BaseTimeEntity;
+import jakarta.persistence.*;
+import lombok.AccessLevel;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@Entity
+@Table(name = "category")
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+public class Category extends BaseTimeEntity {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name = "category_id", nullable = false, columnDefinition = "bigint")
+    private Long categoryId;
+
+    @ManyToOne
+    @JoinColumn(name = "post_id", nullable = false, columnDefinition = "bigint")
+    private Post post;
+
+    @Column(name = "category_type", nullable = false, columnDefinition = "varchar(100)")
+    @Enumerated(EnumType.STRING)
+    private CategoryType categoryType;
+
+    @Column(name = "size", nullable = false, columnDefinition = "int")
+    private Integer size;
+
+    @Builder
+    public Category(Post post, String categoryType, Integer size) {
+        this.post = post;
+        this.categoryType = CategoryType.valueOf(categoryType);
+        this.size = size;
+    }
+}

src/main/java/com/gongjakso/server/domain/post/enumerate/CategoryType.java

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+package com.gongjakso.server.domain.post.enumerate;
+
+public enum CategoryType {
+}

src/main/java/com/gongjakso/server/domain/post/repository/CategoryRepository.java

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+package com.gongjakso.server.domain.post.repository;
+
+import com.gongjakso.server.domain.post.entity.Category;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface CategoryRepository extends JpaRepository<Category, Long> {
+
+}