Merge pull request #145 from ItRecode/feature/BE-196

BE-196 임시 고정레코드 API 개발
ItRecode · Feb 5, 2023 · c5f8807 · c5f8807
2 parents de085b9 + 25bcfca
commit c5f8807
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Showing 8 changed files with 167 additions and 1 deletion.
diff --git a/src/main/java/com/recordit/server/controller/RecordController.java b/src/main/java/com/recordit/server/controller/RecordController.java
@@ -28,6 +28,7 @@
 import com.recordit.server.dto.record.WriteRecordResponseDto;
 import com.recordit.server.dto.record.memory.MemoryRecordRequestDto;
 import com.recordit.server.dto.record.memory.MemoryRecordResponseDto;
+import com.recordit.server.dto.record.mix.MixRecordResponseDto;
 import com.recordit.server.exception.ErrorMessage;
 import com.recordit.server.service.RecordService;
 
@@ -195,4 +196,9 @@ public ResponseEntity<List<RandomRecordResponseDto>> getRandomRecord(
 	) {
 		return ResponseEntity.ok(recordService.getRandomRecord(randomRecordRequestDto));
 	}
+
+	@GetMapping("/mix")
+	public ResponseEntity<MixRecordResponseDto> getMixRecords() {
+		return ResponseEntity.ok().body(recordService.getMixRecords());
+	}
 }
diff --git a/src/main/java/com/recordit/server/dto/record/mix/MixRecordDto.java b/src/main/java/com/recordit/server/dto/record/mix/MixRecordDto.java
@@ -0,0 +1,45 @@
+package com.recordit.server.dto.record.mix;
+
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.AccessLevel;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.ToString;
+
+@Getter
+@ToString
+@ApiModel
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+public class MixRecordDto {
+	@ApiModelProperty(notes = "믹스 레코드 아이디")
+	private Long recordId;
+
+	@ApiModelProperty(notes = "믹스 레코드 색상이름")
+	private String colorName;
+
+	@ApiModelProperty(notes = "믹스 레코드 아이콘이름")
+	private String iconName;
+
+	@ApiModelProperty(notes = "믹스 레코드 댓글 아이디")
+	private Long commentId;
+
+	@ApiModelProperty(notes = "믹스 레코드 댓글 내용")
+	private String commentContent;
+
+	@Builder
+	public MixRecordDto(
+			Long recordId,
+			String colorName,
+			String iconName,
+			Long commentId,
+			String commentContent
+	) {
+		this.recordId = recordId;
+		this.colorName = colorName;
+		this.iconName = iconName;
+		this.commentId = commentId;
+		this.commentContent = commentContent;
+	}
+}
diff --git a/src/main/java/com/recordit/server/dto/record/mix/MixRecordResponseDto.java b/src/main/java/com/recordit/server/dto/record/mix/MixRecordResponseDto.java
@@ -0,0 +1,25 @@
+package com.recordit.server.dto.record.mix;
+
+import java.util.List;
+
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.AccessLevel;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.ToString;
+
+@Getter
+@ToString
+@ApiModel
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+public class MixRecordResponseDto {
+	@ApiModelProperty(notes = "믹스레코드 리스트")
+	private List<MixRecordDto> mixRecordDto;
+
+	@Builder
+	public MixRecordResponseDto(List<MixRecordDto> mixRecordDto) {
+		this.mixRecordDto = mixRecordDto;
+	}
+}
diff --git a/src/main/java/com/recordit/server/exception/record/FixRecordNotExistException.java b/src/main/java/com/recordit/server/exception/record/FixRecordNotExistException.java
@@ -0,0 +1,7 @@
+package com.recordit.server.exception.record;
+
+public class FixRecordNotExistException extends RuntimeException {
+	public FixRecordNotExistException(String message) {
+		super(message);
+	}
+}
diff --git a/src/main/java/com/recordit/server/exception/record/RecordExceptionHandler.java b/src/main/java/com/recordit/server/exception/record/RecordExceptionHandler.java
@@ -56,4 +56,11 @@ public ResponseEntity<ErrorMessage> handleInvalidPageParameterException(
 		return ResponseEntity.badRequest()
 				.body(ErrorMessage.of(exception, HttpStatus.BAD_REQUEST));
 	}
+
+	@ExceptionHandler(FixRecordNotExistException.class)
+	public ResponseEntity<ErrorMessage> handleFixRecordNotExistException(
+			FixRecordNotExistException exception) {
+		return ResponseEntity.badRequest()
+				.body(ErrorMessage.of(exception, HttpStatus.BAD_REQUEST));
+	}
 }
diff --git a/src/main/java/com/recordit/server/repository/CommentRepository.java b/src/main/java/com/recordit/server/repository/CommentRepository.java
@@ -28,4 +28,7 @@ public interface CommentRepository extends JpaRepository<Comment, Long> {
 	List<Comment> findAllByRecordAndParentCommentIsNull(Record record, Pageable pageable);
 
 	Long countByRecordId(Long recordId);
+
+	@EntityGraph(attributePaths = {"record", "record.recordColor", "record.recordIcon"})
+	List<Comment> findByRecord(Record fixRecord);
 }
diff --git a/src/main/java/com/recordit/server/service/RecordService.java b/src/main/java/com/recordit/server/service/RecordService.java
@@ -1,8 +1,10 @@
 package com.recordit.server.service;
 
+import java.util.ArrayList;
 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Random;
 import java.util.stream.Collectors;
 
 import org.springframework.data.domain.Page;
@@ -30,7 +32,10 @@
 import com.recordit.server.dto.record.WriteRecordResponseDto;
 import com.recordit.server.dto.record.memory.MemoryRecordRequestDto;
 import com.recordit.server.dto.record.memory.MemoryRecordResponseDto;
+import com.recordit.server.dto.record.mix.MixRecordDto;
+import com.recordit.server.dto.record.mix.MixRecordResponseDto;
 import com.recordit.server.exception.member.MemberNotFoundException;
+import com.recordit.server.exception.record.FixRecordNotExistException;
 import com.recordit.server.exception.record.NotMatchLoginUserWithRecordWriterException;
 import com.recordit.server.exception.record.RecordColorNotFoundException;
 import com.recordit.server.exception.record.RecordIconNotFoundException;
@@ -54,6 +59,8 @@
 @RequiredArgsConstructor
 public class RecordService {
 
+	private final int MIX_RECORD_COMMENT_SIZE = 10;
+	private final long FIX_RECORD_PK_VALUE = 31L;
 	private final int FIRST_PAGE = 0;
 
 	private final ImageFileRepository imageFileRepository;
@@ -290,4 +297,33 @@ public List<RandomRecordResponseDto> getRandomRecord(
 						commentRepository.countByRecordId(record.getId())
 				)).collect(Collectors.toList());
 	}
+
+	@Transactional(readOnly = true)
+	public MixRecordResponseDto getMixRecords() {
+		Record fixRecord = recordRepository.findById(FIX_RECORD_PK_VALUE)
+				.orElseThrow(() -> new FixRecordNotExistException("서버에 고정 레코드가 존재하지 않습니다."));
+
+		List<MixRecordDto> commentList = commentRepository.findByRecord(fixRecord).stream()
+				.map(comment -> MixRecordDto.builder()
+						.commentId(comment.getId())
+						.colorName(comment.getRecord().getRecordColor().getName())
+						.iconName(comment.getRecord().getRecordIcon().getName())
+						.commentContent(comment.getContent())
+						.recordId(comment.getRecord().getId())
+						.build()
+				).collect(Collectors.toList());
+
+		Random random = new Random();
+		List<MixRecordDto> randomCommentList = new ArrayList<>();
+
+		if (commentList.size() != 0) {
+			for (int i = 0; i < MIX_RECORD_COMMENT_SIZE; i++) {
+				randomCommentList.add(commentList.get(random.nextInt(commentList.size())));
+			}
+		}
+
+		return MixRecordResponseDto.builder()
+				.mixRecordDto(randomCommentList)
+				.build();
+	}
 }
diff --git a/src/test/java/com/recordit/server/service/RecordServiceTest.java b/src/test/java/com/recordit/server/service/RecordServiceTest.java
@@ -30,11 +30,13 @@
 import com.recordit.server.dto.record.WriteRecordRequestDto;
 import com.recordit.server.dto.record.memory.MemoryRecordRequestDto;
 import com.recordit.server.exception.member.MemberNotFoundException;
+import com.recordit.server.exception.record.FixRecordNotExistException;
 import com.recordit.server.exception.record.NotMatchLoginUserWithRecordWriterException;
 import com.recordit.server.exception.record.RecordColorNotFoundException;
 import com.recordit.server.exception.record.RecordIconNotFoundException;
 import com.recordit.server.exception.record.RecordNotFoundException;
 import com.recordit.server.exception.record.category.RecordCategoryNotFoundException;
+import com.recordit.server.repository.CommentRepository;
 import com.recordit.server.repository.ImageFileRepository;
 import com.recordit.server.repository.MemberRepository;
 import com.recordit.server.repository.RecordCategoryRepository;
@@ -73,6 +75,9 @@ class RecordServiceTest {
 	@Mock
 	private RecordRepository recordRepository;
 
+	@Mock
+	private CommentRepository commentRepository;
+
 	@Mock
 	private Member mockMember;
 
@@ -519,4 +524,36 @@ class 랜덤_레코드를_죠회_할_때 {
 					.doesNotThrowAnyException();
 		}
 	}
-}
+
+	@Nested
+	@DisplayName("믹스_레코드를_조회_할_때")
+	class 믹스_레코드를_조회_할_때 {
+		@Test
+		@DisplayName("서버에 고정레코드가 존재하지 않을때 예외를 던진다")
+		void 서버에_고정레코드가_존재하지_않을때_예외를_던진다() {
+			//given
+			given(recordRepository.findById(anyLong()))
+					.willReturn(Optional.empty());
+
+			//when, then
+			assertThatThrownBy(() -> recordService.getMixRecords())
+					.isInstanceOf(FixRecordNotExistException.class)
+					.hasMessage("서버에 고정 레코드가 존재하지 않습니다.");
+		}
+
+		@Test
+		@DisplayName("정상적이라면 예외를 던지지 않는다")
+		void 정상적이라면_예외를_던지지_않는다() {
+			//given
+			given(recordRepository.findById(anyLong()))
+					.willReturn(Optional.of(mockRecord));
+
+			given(commentRepository.findByRecord(mockRecord))
+					.willReturn(new ArrayList<>());
+
+			//when, then
+			assertThatCode(() -> recordService.getMixRecords())
+					.doesNotThrowAnyException();
+		}
+	}
+}