pr Refactor/blogresponse add field

src/main/java/com/kusitms/website/domain/blog/controller/BlogController.java

@@ -16,6 +16,8 @@
 import io.swagger.v3.oas.annotations.responses.ApiResponses;
 import io.swagger.v3.oas.annotations.tags.Tag;
 import lombok.RequiredArgsConstructor;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
@@ -44,10 +46,9 @@ public ResponseEntity<BaseResponse> getBlogList(
             @RequestParam(required = false) Integer generation,
             @RequestParam(required = false) Position position,
             @RequestParam(required = false) Category category,
-            @RequestParam(required = false) Long lastId,
-            @RequestParam(defaultValue = "10") int size
+            Pageable pageable
     ) {
-        List<BlogResponse> result = blogService.getFilteredPostsWithPaging(generation, position, category, lastId, size);
+        Page<BlogResponse> result = blogService.getFilteredPostsWithPaging(generation, position, category, pageable);
         return ResponseEntity.ok(new BaseResponse(result));
     }
 }

src/main/java/com/kusitms/website/domain/blog/dto/response/BlogResponse.java

@@ -4,6 +4,7 @@
 import com.kusitms.website.domain.blog.entity.BlogAuthor;
 import com.kusitms.website.domain.blog.entity.BlogPost;
 import com.kusitms.website.domain.blog.entity.Category;
+import com.querydsl.core.annotations.QueryProjection;
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.*;
 
@@ -12,32 +13,45 @@
 @Getter
 @Builder
 @NoArgsConstructor
-@AllArgsConstructor
 public class BlogResponse {
     @JsonProperty("blog_post_id")
     @Schema(description = "블로그 글 아이디")
     private Long id;
     @Schema(description = "블로그 글 제목")
     private String title;
-    @Schema(description = "블로그 카테고리 이름")
-    private Category category;
     @Schema(description = "블로그 주소")
     private String address;
     @Schema(description = "블로그 이미지 주소")
     private String imageAddress;
     @Schema(description = "블로그 글 내용")
     private String content;
+    @Schema(description = "활동명")
+    private String categoryName;
+    @Schema(description = "기수")
+    private Integer cardinal;
+    @Schema(description = "파트명")
+    private String position;
 
-    public static BlogResponse fromEntity(BlogPost post) {
-        return BlogResponse.builder()
-                .id(post.getId())
-                .title(post.getTitle())
-                .category(post.getCategory())
-                .address(post.getAddress())
-                .imageAddress(post.getImageAddress())
-                .content(post.getContent())
-                .build();
+    @QueryProjection
+    public BlogResponse(Long id,
+                        String title,
+                        String address,
+                        String imageAddress,
+                        String content,
+                        String categoryName,
+                        Integer cardinal,
+                        String position) {
+        this.id = id;
+        this.title = title;
+        this.address = address;
+        this.imageAddress = imageAddress;
+        this.content = content;
+        this.categoryName = categoryName;
+        this.cardinal = cardinal;
+        this.position = position;
     }
 
 
+
+
 }

src/main/java/com/kusitms/website/domain/blog/repository/BlogPostQueryRepository.java

@@ -1,11 +1,13 @@
 package com.kusitms.website.domain.blog.repository;
 
+import com.kusitms.website.domain.blog.dto.response.BlogResponse;
 import com.kusitms.website.domain.blog.entity.BlogPost;
 import com.kusitms.website.domain.blog.entity.Category;
 import com.kusitms.website.domain.blog.entity.Position;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
 
-import java.util.List;
 
 public interface BlogPostQueryRepository {
-    List<BlogPost> findByFiltersWithPaging(Integer generation, Position position, Category category, Long lastId, int size);
+    Page<BlogResponse> findByFiltersWithPaging(Integer generation, Position position, Category category, Pageable pageable);
 }

src/main/java/com/kusitms/website/domain/blog/repository/BlogPostQueryRepositoryImpl.java

@@ -1,9 +1,15 @@
 package com.kusitms.website.domain.blog.repository;
 
+import com.kusitms.website.domain.blog.dto.response.BlogResponse;
 import com.kusitms.website.domain.blog.entity.*;
 import com.querydsl.core.BooleanBuilder;
+import com.querydsl.core.types.Projections;
+import com.querydsl.core.types.dsl.CaseBuilder;
 import com.querydsl.jpa.impl.JPAQueryFactory;
 import lombok.RequiredArgsConstructor;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.PageImpl;
+import org.springframework.data.domain.Pageable;
 import org.springframework.stereotype.Repository;
 
 import java.util.List;
@@ -15,7 +21,7 @@ public class BlogPostQueryRepositoryImpl implements BlogPostQueryRepository {
     private final QBlogAuthor blogAuthor = QBlogAuthor.blogAuthor;
 
     @Override
-    public List<BlogPost> findByFiltersWithPaging(Integer generation, Position position, Category category, Long lastId, int size) {
+    public Page<BlogResponse> findByFiltersWithPaging(Integer generation, Position position, Category category, Pageable pageable) {
 
         BooleanBuilder builder = new BooleanBuilder();
 
@@ -31,16 +37,46 @@ public List<BlogPost> findByFiltersWithPaging(Integer generation, Position posit
             builder.and(blogPost.category.eq(category));
         }
 
-        if (lastId != null) {
-            builder.and(blogPost.id.lt(lastId));
-        }
-
-        return queryFactory
-                .selectFrom(blogPost)
+        List<BlogResponse> results = queryFactory
+                .select(Projections.constructor(
+                        BlogResponse.class,
+                        blogPost.id,
+                        blogPost.title,
+                        blogPost.address,
+                        blogPost.imageAddress,
+                        blogPost.content,
+                        new CaseBuilder()
+                                .when(blogPost.category.eq(Category.DOCUMENT)).then(Category.DOCUMENT.getDescription())
+                                .when(blogPost.category.eq(Category.INTERVIEW)).then(Category.INTERVIEW.getDescription())
+                                .when(blogPost.category.eq(Category.GIFT)).then(Category.GIFT.getDescription())
+                                .when(blogPost.category.eq(Category.MEETUP)).then(Category.MEETUP.getDescription())
+                                .when(blogPost.category.eq(Category.GROUP_TF)).then(Category.GROUP_TF.getDescription())
+                                .otherwise("기타"),
+                        blogAuthor.generation,
+                        // Position → description
+                        new CaseBuilder()
+                                .when(blogAuthor.position.eq(Position.FRONTEND)).then(Position.FRONTEND.getDescription())
+                                .when(blogAuthor.position.eq(Position.BACKEND)).then(Position.BACKEND.getDescription())
+                                .when(blogAuthor.position.eq(Position.PLAN)).then(Position.PLAN.getDescription())
+                                .when(blogAuthor.position.eq(Position.DESIGNER)).then(Position.DESIGNER.getDescription())
+                                .otherwise("기타")
+                ))
+                .from(blogPost)
                 .join(blogPost.blogAuthor, blogAuthor)
                 .where(builder)
+                .offset(pageable.getOffset())
+                .limit(pageable.getPageSize())
                 .orderBy(blogPost.id.desc())
-                .limit(size)
                 .fetch();
+
+        // ② total count 조회
+        long total = queryFactory
+                .select(blogPost.count())
+                .from(blogPost)
+                .join(blogPost.blogAuthor, blogAuthor)
+                .where(builder)
+                .fetchOne();
+
+        return new PageImpl<>(results, pageable, total);
     }
 }

src/main/java/com/kusitms/website/domain/blog/service/BlogService.java

@@ -7,6 +7,8 @@
 import com.kusitms.website.domain.blog.repository.BlogPostQueryRepository;
 import com.kusitms.website.domain.blog.repository.BlogPostRepository;
 import lombok.RequiredArgsConstructor;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
 import org.springframework.stereotype.Service;
 
 import java.util.List;
@@ -18,16 +20,12 @@ public class BlogService {
 
     private final BlogPostRepository blogPostRepository;
 
-    public List<BlogResponse> getFilteredPostsWithPaging(
+    public Page<BlogResponse> getFilteredPostsWithPaging(
             Integer generation,
             Position position,
             Category category,
-            Long lastId,
-            int size
+            Pageable pageable
     ) {
-        return blogPostRepository.findByFiltersWithPaging(generation, position, category, lastId, size)
-                .stream()
-                .map(BlogResponse::fromEntity)
-                .collect(Collectors.toList());
+        return blogPostRepository.findByFiltersWithPaging(generation, position, category, pageable);
     }
 }