feat: offset pagination을 통한 전체 강의내역 조회

src/main/java/com/teamh/khumon/controller/LearningMaterialController.java

@@ -2,6 +2,9 @@
 
 import com.teamh.khumon.service.LearningMaterialService;
 import lombok.RequiredArgsConstructor;
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.domain.Sort;
+import org.springframework.data.web.PageableDefault;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.security.access.prepost.PreAuthorize;
@@ -33,5 +36,14 @@ public ResponseEntity<?> getLearningMaterial(@PathVariable(name = "learningMater
     }
 
 
+    @PreAuthorize("isAuthenticated()")
+    @GetMapping("/learning-materials") //
+    public ResponseEntity<?> getLearningMaterials(Principal principal, @PageableDefault(sort = "id", direction = Sort.Direction.DESC, size = 10) Pageable pageable, @RequestParam(required = false, defaultValue = "") String search){
+        return learningMaterialService.getLearningMaterials(principal, pageable, search);
+    }
+
+
+
+
 }
 

src/main/java/com/teamh/khumon/dto/LearningMaterialContent.java

@@ -0,0 +1,21 @@
+package com.teamh.khumon.dto;
+
+
+import lombok.*;
+
+import java.time.LocalDateTime;
+
+@AllArgsConstructor
+@NoArgsConstructor
+@Getter
+@Setter
+@ToString
+@Builder
+public class LearningMaterialContent {
+
+    private String title;
+    private String content;
+    private LocalDateTime createAt;
+    private LocalDateTime modifiedAt;
+
+}

src/main/java/com/teamh/khumon/dto/LearningMaterialResponse.java

@@ -19,7 +19,6 @@ public class LearningMaterialResponse {
     private String mediaFileType;
     private LocalDateTime createdDateTime;
     private LocalDateTime modifiedDateTime;
-    private String script;
     private String summary;
     private List<QuestionInformation> questionInformations;
 

src/main/java/com/teamh/khumon/dto/OffsetPagination.java

@@ -0,0 +1,24 @@
+package com.teamh.khumon.dto;
+
+
+import lombok.*;
+
+import java.util.List;
+
+@Builder
+@Getter
+@Setter
+@AllArgsConstructor
+@NoArgsConstructor
+@ToString
+public class OffsetPagination {
+    private List<LearningMaterialContent> content;
+    private Long totalElements;
+    private Integer totalPages;
+    private Integer size;
+    private Integer pageNumber;
+    private Integer numberOfElements;
+    private Boolean isFirst;
+    private Boolean isLast;
+    private Boolean isEmpty;
+}

src/main/java/com/teamh/khumon/repository/LearningMaterialRepository.java

@@ -1,7 +1,11 @@
 package com.teamh.khumon.repository;
 
 import com.teamh.khumon.domain.LearningMaterial;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
 import org.springframework.data.jpa.repository.JpaRepository;
 
 public interface LearningMaterialRepository extends JpaRepository<LearningMaterial, Long> {
-}
+
+    Page<LearningMaterial> findByMemberIdAndTitleContainingOrContentContaining(Long memberId, String title, String content, Pageable pageable);
+}

src/main/java/com/teamh/khumon/service/LearningMaterialService.java

@@ -1,15 +1,11 @@
 package com.teamh.khumon.service;
 
 
-import com.amazonaws.services.s3.AmazonS3Client;
 import com.teamh.khumon.domain.LearningMaterial;
 import com.teamh.khumon.domain.MediaFileType;
 import com.teamh.khumon.domain.Member;
 import com.teamh.khumon.domain.Question;
-import com.teamh.khumon.dto.AIResponse;
-import com.teamh.khumon.dto.LearningMaterialResponse;
-import com.teamh.khumon.dto.LearningRequest;
-import com.teamh.khumon.dto.QuestionInformation;
+import com.teamh.khumon.dto.*;
 import com.teamh.khumon.repository.LearningMaterialRepository;
 import com.teamh.khumon.repository.MemberRepository;
 import com.teamh.khumon.util.AmazonS3Util;
@@ -18,19 +14,18 @@
 import jakarta.transaction.Transactional;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
-import org.apache.commons.io.FileUtils;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.stereotype.Service;
 import org.springframework.web.multipart.MultipartFile;
 
-import java.io.File;
 import java.io.IOException;
 import java.security.Principal;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
-import java.util.stream.Collectors;
 
 @Service
 @Slf4j
@@ -125,4 +120,29 @@ public ResponseEntity<?> getLearningMaterial(Long id, Principal principal) {
     }
 
 
+    public ResponseEntity<?> getLearningMaterials(Principal principal, Pageable pageable, String search) {
+        Member member = memberRepository.findByUsername(principal.getName()).orElseThrow();
+        Page<LearningMaterial> learningMaterials = learningMaterialRepository.findByMemberIdAndTitleContainingOrContentContaining(member.getId(), search, search, pageable);
+        List<LearningMaterialContent> learningMaterialContents = learningMaterials.getContent().stream().map(learningMaterial -> LearningMaterialContent.builder()
+                .title(learningMaterial.getTitle())
+                .content(learningMaterial.getContent())
+                .createAt(learningMaterial.getCreatedAt())
+                .modifiedAt(learningMaterial.getUpdateAt())
+                .build()).toList();
+
+        OffsetPagination offsetPagination = OffsetPagination.builder()
+                .content(learningMaterialContents)
+                .isEmpty(learningMaterials.isEmpty())
+                .isFirst(learningMaterials.isFirst())
+                .isLast(learningMaterials.isLast())
+                .numberOfElements(learningMaterials.getNumberOfElements())
+                .pageNumber(learningMaterials.getNumber())
+                .size(learningMaterials.getSize())
+                .totalElements(learningMaterials.getTotalElements())
+                .totalPages(learningMaterials.getTotalPages())
+                .build();
+
+
+        return new ResponseEntity<OffsetPagination>(offsetPagination, HttpStatus.OK);
+    }
 }