#82 feat : ProjectRepository 생성

src/main/java/com/seoultech/synergybe/domain/project/repository/ProjectRepository.java

@@ -12,7 +12,7 @@
 import java.util.List;
 
 @Repository
-public interface ProjectRepository extends JpaRepository<Project, String> {
+public interface ProjectRepository extends JpaRepository<Project, String>, ProjectRepositoryCustom {
     @Query(value = "SELECT * FROM project WHERE project_sequence < :projectSequence ORDER BY project_sequence DESC LIMIT 10", nativeQuery = true)
     List<Project> findAllByEndSequence(@Param("projectSequence") Long projectSequence);
 

src/main/java/com/seoultech/synergybe/domain/project/repository/ProjectRepositoryCustom.java

@@ -0,0 +1,11 @@
+package com.seoultech.synergybe.domain.project.repository;
+
+import com.seoultech.synergybe.domain.project.Project;
+
+import java.util.List;
+
+public interface ProjectRepositoryCustom {
+    List<Project> findAllByCreateAtAndLimit(Long offset);
+
+    int countTotalProjectSize();
+}

src/main/java/com/seoultech/synergybe/domain/project/repository/ProjectRepositoryImpl.java

@@ -0,0 +1,32 @@
+package com.seoultech.synergybe.domain.project.repository;
+
+import com.querydsl.jpa.impl.JPAQueryFactory;
+import com.seoultech.synergybe.domain.project.Project;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Repository;
+
+import java.util.List;
+
+import static com.seoultech.synergybe.domain.project.QProject.project;
+
+@Repository
+@RequiredArgsConstructor
+public class ProjectRepositoryImpl implements ProjectRepositoryCustom {
+    private final JPAQueryFactory queryFactory;
+    @Override
+    public List<Project> findAllByCreateAtAndLimit(Long offset) {
+        return queryFactory
+                .selectFrom(project)
+                .orderBy(project.createAt.desc())
+                .limit(10)
+                .offset(offset)
+                .fetch();
+    }
+
+    @Override
+    public int countTotalProjectSize() {
+        return queryFactory
+                .selectFrom(project)
+                .fetch().size();
+    }
+}