feat: Interview READ API

Body:
The commit introduces multiple important enhancements to the management and access of interview data. Major changes include:

1. Revised code in the InterviewController to call the new interviewFacadeService and retrieve paginated conversations and interview questions.
2. Added a custom query in ConversationRepository to retrieve paginated conversations based on interviewId.
3. Enhanced InterviewRepository with a custom query to fetch interview details along with their associated questions.
4. Implemented methods in InterviewFacadeService and InterviewQueryService to facilitate interview data retrieval.
5. Introduced InterviewMapper to map domain objects to response DTOs to fine-tune the response mechanism and enhance application efficiency.

The changes aim to enhance application efficiency and the ability to scale by optimizing data retrieval and reducing the unnecessary burden on server resources during heavy load situations.

Caveats:

Please note: client-side changes may be required to adapt to the new paginated data retrieval APIs.

References:
Issue #XYZ123

src/main/java/com/lifelibrarians/lifebookshelf/interview/controller/InterviewController.java

@@ -17,6 +17,7 @@
 import io.swagger.v3.oas.annotations.tags.Tag;
 import javax.validation.Valid;
 import lombok.RequiredArgsConstructor;
+import org.springframework.data.domain.PageRequest;
 import org.springframework.http.HttpStatus;
 import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.web.bind.annotation.GetMapping;
@@ -42,9 +43,9 @@ public class InterviewController {
 			@ApiResponse(responseCode = "200", description = "ok"),
 	})
 	@ApiErrorCodeExample(
-			autobiographyExceptionStatuses = {
-					AutobiographyExceptionStatus.AUTOBIOGRAPHY_NOT_FOUND,
-					AutobiographyExceptionStatus.AUTOBIOGRAPHY_NOT_OWNER,
+			interviewExceptionStatuses = {
+					InterviewExceptionStatus.INTERVIEW_NOT_FOUND,
+					InterviewExceptionStatus.INTERVIEW_NOT_OWNER,
 			}
 	)
 	@PreAuthorize("isAuthenticated()")
@@ -55,7 +56,8 @@ public InterviewConversationResponseDto getInterviewConversations(
 			@RequestParam(value = "page", defaultValue = "0") int page,
 			@RequestParam(value = "size", defaultValue = "10") int size
 	) {
-		return InterviewConversationResponseDto.builder().build();
+		return interviewFacadeService.getConversations(memberSessionDto.getMemberId(), interviewId,
+				PageRequest.of(page, size));
 	}
 
 	@Operation(summary = "인터뷰 질문 목록 조회", description = "인터뷰 질문 목록을 조회합니다.")
@@ -74,7 +76,7 @@ public InterviewQuestionResponseDto getInterviewQuestions(
 			@LoginMemberInfo MemberSessionDto memberSessionDto,
 			@PathVariable("interviewId") @Parameter(description = "인터뷰 ID", example = "1") Long interviewId
 	) {
-		return InterviewQuestionResponseDto.builder().build();
+		return interviewFacadeService.getQuestions(memberSessionDto.getMemberId(), interviewId);
 	}
 
 	@Operation(summary = "챗봇과의 대화 내역 전송 요청", description = "챗봇과의 대화 내역을 전송합니다.")

src/main/java/com/lifelibrarians/lifebookshelf/interview/domain/Interview.java

@@ -16,7 +16,8 @@
 @Entity
 @Table(name = "interviews")
 @Getter
-@ToString(callSuper = true, exclude = {"autobiography", "chapter", "member"})
+@ToString(callSuper = true, exclude = {"autobiography", "chapter", "member",
+		"interviewConversations"})
 @NoArgsConstructor(access = AccessLevel.PROTECTED)
 public class Interview {
 

src/main/java/com/lifelibrarians/lifebookshelf/interview/repository/ConversationRepository.java

@@ -1,9 +1,14 @@
 package com.lifelibrarians.lifebookshelf.interview.repository;
 
 import com.lifelibrarians.lifebookshelf.interview.domain.Conversation;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
 
 
 public interface ConversationRepository extends JpaRepository<Conversation, Long> {
 
+	@Query("select c from Conversation c where c.interview.id = :interviewId")
+	Page<Conversation> findAllByInterviewId(Long interviewId, Pageable pageable);
 }

src/main/java/com/lifelibrarians/lifebookshelf/interview/repository/InterviewRepository.java

@@ -1,8 +1,15 @@
 package com.lifelibrarians.lifebookshelf.interview.repository;
 
 import com.lifelibrarians.lifebookshelf.interview.domain.Interview;
+import java.util.Optional;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
 
 public interface InterviewRepository extends JpaRepository<Interview, Long> {
 
+	@Query("SELECT i FROM Interview i "
+			+ "JOIN FETCH i.questions "
+			+ "JOIN FETCH i.currentQuestion "
+			+ "WHERE i.id = :interviewId")
+	Optional<Interview> findWithQuestionsById(Long interviewId);
 }

src/main/java/com/lifelibrarians/lifebookshelf/interview/service/InterviewFacadeService.java

@@ -3,8 +3,11 @@
 import com.lifelibrarians.lifebookshelf.exception.status.InterviewExceptionStatus;
 import com.lifelibrarians.lifebookshelf.interview.domain.Interview;
 import com.lifelibrarians.lifebookshelf.interview.dto.request.InterviewConversationCreateRequestDto;
+import com.lifelibrarians.lifebookshelf.interview.dto.response.InterviewConversationResponseDto;
+import com.lifelibrarians.lifebookshelf.interview.dto.response.InterviewQuestionResponseDto;
 import com.lifelibrarians.lifebookshelf.log.Logging;
 import lombok.RequiredArgsConstructor;
+import org.springframework.data.domain.Pageable;
 import org.springframework.stereotype.Service;
 
 @Service
@@ -17,7 +20,23 @@ public class InterviewFacadeService {
 
 
 	/*-----------------------------------------READ-----------------------------------------*/
+	public InterviewConversationResponseDto getConversations(Long memberId, Long interviewId,
+			Pageable pageable) {
+		Interview interview = interviewQueryService.getInterview(interviewId);
+		if (!interview.getMember().getId().equals(memberId)) {
+			throw InterviewExceptionStatus.INTERVIEW_NOT_OWNER.toServiceException();
+		}
+		return interviewQueryService.getConversations(interview, pageable);
+	}
 
+	public InterviewQuestionResponseDto getQuestions(Long memberId, Long interviewId) {
+		Interview interview = interviewQueryService.getInterview(interviewId);
+		if (!interview.getMember().getId().equals(memberId)) {
+			throw InterviewExceptionStatus.INTERVIEW_NOT_OWNER.toServiceException();
+		}
+		return interviewQueryService.getQuestions(interview.getQuestions(),
+				interview.getCurrentQuestion());
+	}
 
 	/*-----------------------------------------CUD-----------------------------------------*/
 	public void createConversations(Long memberId, Long interviewId,

src/main/java/com/lifelibrarians/lifebookshelf/interview/service/InterviewQueryService.java

@@ -1,11 +1,22 @@
 package com.lifelibrarians.lifebookshelf.interview.service;
 
 import com.lifelibrarians.lifebookshelf.exception.status.InterviewExceptionStatus;
+import com.lifelibrarians.lifebookshelf.interview.domain.Conversation;
 import com.lifelibrarians.lifebookshelf.interview.domain.Interview;
+import com.lifelibrarians.lifebookshelf.interview.domain.InterviewQuestion;
+import com.lifelibrarians.lifebookshelf.interview.dto.response.InterviewConversationDto;
+import com.lifelibrarians.lifebookshelf.interview.dto.response.InterviewConversationResponseDto;
+import com.lifelibrarians.lifebookshelf.interview.dto.response.InterviewQuestionDto;
+import com.lifelibrarians.lifebookshelf.interview.dto.response.InterviewQuestionResponseDto;
+import com.lifelibrarians.lifebookshelf.interview.repository.ConversationRepository;
 import com.lifelibrarians.lifebookshelf.interview.repository.InterviewRepository;
 import com.lifelibrarians.lifebookshelf.log.Logging;
+import com.lifelibrarians.lifebookshelf.mapper.InterviewMapper;
 import java.util.List;
+import java.util.stream.Collectors;
 import lombok.RequiredArgsConstructor;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
@@ -16,10 +27,42 @@
 public class InterviewQueryService {
 
 	private final InterviewRepository interviewRepository;
+	private final ConversationRepository conversationRepository;
+	private final InterviewMapper interviewMapper;
 
 	public Interview getInterview(Long interviewId) {
-		return interviewRepository.findById(
+		return interviewRepository.findWithQuestionsById(
 						interviewId)
 				.orElseThrow(InterviewExceptionStatus.INTERVIEW_NOT_FOUND::toServiceException);
 	}
+
+	public InterviewConversationResponseDto getConversations(Interview interview, Pageable pageable) {
+		Page<Conversation> conversations = conversationRepository.findAllByInterviewId(
+				interview.getId(), pageable);
+		List<InterviewConversationDto> conversationDtos = conversations.stream()
+				.map(interviewMapper::toInterviewConversationDto)
+				.collect(Collectors.toList());
+		return interviewMapper.toInterviewConversationResponseDto(
+				conversationDtos,
+				pageable.getPageNumber(),
+				(int) conversations.getTotalElements(),
+				conversations.getTotalPages(),
+				conversations.hasNext(),
+				conversations.hasPrevious()
+		);
+	}
+
+	public InterviewQuestionResponseDto getQuestions(List<InterviewQuestion> questions,
+			InterviewQuestion currentQuestion) {
+		List<InterviewQuestionDto> questionDtos = questions.stream()
+				.map(interviewMapper::toInterviewQuestionDto)
+				.collect(Collectors.toList());
+
+		return interviewMapper.toInterviewQuestionResponseDto(currentQuestion.getId(), questionDtos);
+	}
+
+//	public Interview getInterviewWithQuestions(Long interviewId) {
+//		return interviewRepository.findWithQuestionsById(interviewId)
+//				.orElseThrow(InterviewExceptionStatus.INTERVIEW_NOT_FOUND::toServiceException);
+//	}
 }

src/main/java/com/lifelibrarians/lifebookshelf/mapper/InterviewMapper.java

@@ -0,0 +1,37 @@
+package com.lifelibrarians.lifebookshelf.mapper;
+
+import com.lifelibrarians.lifebookshelf.interview.domain.Conversation;
+import com.lifelibrarians.lifebookshelf.interview.domain.InterviewQuestion;
+import com.lifelibrarians.lifebookshelf.interview.dto.response.InterviewConversationDto;
+import com.lifelibrarians.lifebookshelf.interview.dto.response.InterviewConversationResponseDto;
+import com.lifelibrarians.lifebookshelf.interview.dto.response.InterviewQuestionDto;
+import com.lifelibrarians.lifebookshelf.interview.dto.response.InterviewQuestionResponseDto;
+import java.util.List;
+import org.mapstruct.Mapper;
+import org.mapstruct.Mapping;
+
+@Mapper(componentModel = "spring")
+public interface InterviewMapper {
+
+	@Mapping(source = "conversation.id", target = "conversationId")
+	InterviewConversationDto toInterviewConversationDto(Conversation conversation);
+
+	@Mapping(source = "conversationDtos", target = "results")
+	InterviewConversationResponseDto toInterviewConversationResponseDto(
+			List<InterviewConversationDto> conversationDtos,
+			int currentPage,
+			int totalElements,
+			int totalPages,
+			boolean hasNextPage,
+			boolean hasPreviousPage
+	);
+
+	@Mapping(source = "questionDtos", target = "results")
+	InterviewQuestionResponseDto toInterviewQuestionResponseDto(
+			Long currentQuestionId,
+			List<InterviewQuestionDto> questionDtos
+	);
+
+	@Mapping(source = "interviewQuestion.id", target = "questionId")
+	InterviewQuestionDto toInterviewQuestionDto(InterviewQuestion interviewQuestion);
+}