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feat : 반례 게시판 CRUD + 좋아요 기능 (#389)
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16 files changed

+721
-4
lines changed

16 files changed

+721
-4
lines changed

‎src/main/java/com/gamzabat/algohub/exception/CustomExceptionHandler.java‎

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import com.gamzabat.algohub.common.jwt.exception.ExpiredTokenException;
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import com.gamzabat.algohub.common.jwt.exception.TokenException;
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import com.gamzabat.algohub.feature.comment.exception.CommentValidationException;
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import com.gamzabat.algohub.feature.edgecase.exception.CannotFoundEdgeCaseException;
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import com.gamzabat.algohub.feature.edgecase.exception.NotAuthorizedUserException;
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import com.gamzabat.algohub.feature.group.ranking.exception.CannotFoundRankingException;
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import com.gamzabat.algohub.feature.group.studygroup.exception.CannotFoundGroupException;
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import com.gamzabat.algohub.feature.group.studygroup.exception.CannotFoundProblemException;
@@ -231,4 +233,20 @@ protected ResponseEntity<ErrorResponse> handleCannotFoundVerificationCodeExcepti
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.status(HttpStatus.BAD_REQUEST)
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.body(new ErrorResponse(HttpStatus.BAD_REQUEST.value(), e.getMessage(), null));
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}
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@ExceptionHandler(CannotFoundEdgeCaseException.class)
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protected ResponseEntity<ErrorResponse> handleCannotFoundEdgeCaseException(
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CannotFoundEdgeCaseException e) {
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return ResponseEntity
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.status(e.getHttpStatus())
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.body(new ErrorResponse(e.getHttpStatus().value(), e.getErrors(), null));
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}
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@ExceptionHandler(NotAuthorizedUserException.class)
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protected ResponseEntity<ErrorResponse> handleNotAuthorizedUserException(
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NotAuthorizedUserException e) {
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return ResponseEntity
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.status(e.getHttpStatus())
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.body(new ErrorResponse(e.getHttpStatus().value(), e.getError(), null));
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}
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}

‎src/main/java/com/gamzabat/algohub/feature/edgecase/controller/EdgeCaseController.java‎

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package com.gamzabat.algohub.feature.edgecase.controller;
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import org.springframework.http.MediaType;
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import org.springframework.http.ResponseEntity;
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import org.springframework.web.bind.annotation.DeleteMapping;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.PatchMapping;
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import org.springframework.web.bind.annotation.PathVariable;
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import org.springframework.web.bind.annotation.PostMapping;
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import org.springframework.web.bind.annotation.RequestBody;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RequestParam;
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import org.springframework.web.bind.annotation.RestController;
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import com.gamzabat.algohub.common.annotation.AuthedUser;
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import com.gamzabat.algohub.exception.RequestException;
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import com.gamzabat.algohub.feature.edgecase.domain.EdgeCaseLike;
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import com.gamzabat.algohub.feature.edgecase.dto.CreateEdgeCaseRequest;
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import com.gamzabat.algohub.feature.edgecase.dto.GetEdgeCaseListResponse;
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import com.gamzabat.algohub.feature.edgecase.dto.TogleEdgeCaseResponse;
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import com.gamzabat.algohub.feature.edgecase.service.EdgeCaseService;
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import com.gamzabat.algohub.feature.user.domain.User;
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import org.springframework.validation.Errors;
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import io.swagger.v3.oas.annotations.Operation;
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import io.swagger.v3.oas.annotations.tags.Tag;
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import jakarta.validation.Valid;
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import lombok.RequiredArgsConstructor;
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@RestController
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@RequiredArgsConstructor
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@RequestMapping("/api/edge-case")
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@Tag(name = "반례 게시판 API", description = "반례 게시판 관련 API")
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public class EdgeCaseController {
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private final EdgeCaseService edgeCaseService;
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@PostMapping
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@Operation(summary = "반례 등록")
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public ResponseEntity<Void> createEdgeCase(@AuthedUser User user, @RequestBody @Valid CreateEdgeCaseRequest creatEdgeCaseRequest,
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Errors errors) {
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if (errors.hasErrors())
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throw new RequestException("올바르지 않은 요청입니다.", errors);
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edgeCaseService.createEdgeCase(user, creatEdgeCaseRequest);
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return ResponseEntity.ok().build();
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}
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@GetMapping("/list")
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@Operation(summary = "반례리스트 조회")
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public ResponseEntity<GetEdgeCaseListResponse> getEdgeCaseList(@AuthedUser User user, @RequestParam(required = false) Integer problemNumber) {
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GetEdgeCaseListResponse response = edgeCaseService.getEdgeCaseList(problemNumber);
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return ResponseEntity.ok().body(response);
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}
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@DeleteMapping("/{edgeCaseId}")
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@Operation(summary = "반례 삭제")
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public ResponseEntity<Void> deleteEdgeCase(@AuthedUser User user, @PathVariable Long edgeCaseId) {
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edgeCaseService.deleteEdgeCase(user, edgeCaseId);
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return ResponseEntity.ok().build();
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}
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@PatchMapping(value = "/{edgeCaseId}/like")
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@Operation(summary = "반례 좋아요 토글")
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public ResponseEntity<TogleEdgeCaseResponse> addEdgeCaseLike(@AuthedUser User user, @PathVariable Long edgeCaseId) {
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TogleEdgeCaseResponse result = edgeCaseService.togleEdgeCaseLike(user, edgeCaseId);
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return ResponseEntity.ok().body(result);
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}
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}

‎src/main/java/com/gamzabat/algohub/feature/edgecase/domain/EdgeCase.java‎

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package com.gamzabat.algohub.feature.edgecase.domain;
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import java.time.LocalDateTime;
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import java.util.ArrayList;
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import java.util.List;
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import org.hibernate.annotations.SQLDelete;
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import com.gamzabat.algohub.feature.user.domain.User;
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import jakarta.persistence.Column;
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import jakarta.persistence.Entity;
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import jakarta.persistence.FetchType;
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import jakarta.persistence.GeneratedValue;
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import jakarta.persistence.GenerationType;
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import jakarta.persistence.Id;
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import jakarta.persistence.JoinColumn;
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import jakarta.persistence.ManyToOne;
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import jakarta.persistence.OneToMany;
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import jakarta.persistence.OneToOne;
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import lombok.Builder;
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import lombok.Getter;
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import lombok.NoArgsConstructor;
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@Entity
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@Getter
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@NoArgsConstructor
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@SQLDelete(sql = "UPDATE edge_case SET deleted_at = CURRENT_TIMESTAMP WHERE id = ?")
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public class EdgeCase {
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@Id
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@GeneratedValue(strategy = GenerationType.IDENTITY)
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private Long id;
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private Integer level;
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private String link;
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private Integer problemNumber;
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private String title;
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@Column(columnDefinition = "TEXT")
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private String input;
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@Column(columnDefinition = "TEXT")
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private String output;
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@ManyToOne(fetch = FetchType.LAZY)
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@JoinColumn(name = "user_id")
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private User author;
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private LocalDateTime deletedAt;
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@Column(nullable = false)
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private int likeCount = 0;
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@Builder
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public EdgeCase(Integer level, String link, Integer problemNumber, String title, String input, String output, User author) {
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this.level = level;
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this.link = link;
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this.problemNumber = problemNumber;
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this.title = title;
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this.input = input;
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this.output = output;
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this.author = author;
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}
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}

‎src/main/java/com/gamzabat/algohub/feature/edgecase/domain/EdgeCaseLike.java‎

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package com.gamzabat.algohub.feature.edgecase.domain;
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import org.hibernate.annotations.SQLDelete;
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import com.gamzabat.algohub.feature.user.domain.User;
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import jakarta.persistence.Column;
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import jakarta.persistence.Entity;
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import jakarta.persistence.FetchType;
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import jakarta.persistence.GeneratedValue;
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import jakarta.persistence.GenerationType;
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import jakarta.persistence.Id;
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import jakarta.persistence.JoinColumn;
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import jakarta.persistence.ManyToOne;
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import jakarta.persistence.OneToOne;
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import lombok.Builder;
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import lombok.Getter;
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import lombok.NoArgsConstructor;
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@Entity
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@Getter
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@NoArgsConstructor
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public class EdgeCaseLike {
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@Id
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@GeneratedValue(strategy = GenerationType.IDENTITY)
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private Long id;
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@ManyToOne(fetch = FetchType.LAZY)
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@JoinColumn(name = "edge_case_id", nullable = false)
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private EdgeCase edgeCase;
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@ManyToOne(fetch = FetchType.LAZY, optional = false)
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@JoinColumn(name = "user_id", nullable = false)
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private User user;
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@Builder
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public EdgeCaseLike(EdgeCase edgeCase, User user) {
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this.edgeCase = edgeCase;
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this.user = user;
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}
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}

‎src/main/java/com/gamzabat/algohub/feature/edgecase/dto/CreateEdgeCaseRequest.java‎

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package com.gamzabat.algohub.feature.edgecase.dto;
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import jakarta.validation.constraints.NotBlank;
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import lombok.Builder;
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@Builder
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public record CreateEdgeCaseRequest(@NotBlank(message = "문제 링크 입력은 필수입니다.") String link,
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@NotBlank(message = "반례 input 입력은 필수입니다.") String input,
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@NotBlank(message = "반례 output 입력은 필수입니다.") String output){
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}

‎src/main/java/com/gamzabat/algohub/feature/edgecase/dto/GetEdgeCaseListResponse.java‎

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package com.gamzabat.algohub.feature.edgecase.dto;
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import java.util.List;
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import lombok.Builder;
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@Builder
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public record GetEdgeCaseListResponse(
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List<GetEdgeCaseResponse> edgeCaseList) {
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}

‎src/main/java/com/gamzabat/algohub/feature/edgecase/dto/GetEdgeCaseResponse.java‎

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package com.gamzabat.algohub.feature.edgecase.dto;
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import lombok.Builder;
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@Builder
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public record GetEdgeCaseResponse(
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Integer edgeCaseId,
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Integer level,
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Integer problemNumber,
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String title,
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String input,
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String output,
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Integer like) {
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}

‎src/main/java/com/gamzabat/algohub/feature/edgecase/dto/TogleEdgeCaseResponse.java‎

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package com.gamzabat.algohub.feature.edgecase.dto;
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import lombok.Getter;
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@Getter
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public class TogleEdgeCaseResponse {
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private final Boolean islike;
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public TogleEdgeCaseResponse(Boolean islike) {
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this.islike = islike;
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}
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}
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‎src/main/java/com/gamzabat/algohub/feature/edgecase/exception/CannotFoundEdgeCaseException.java‎

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package com.gamzabat.algohub.feature.edgecase.exception;
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import org.springframework.http.HttpStatus;
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import lombok.Getter;
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@Getter
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public class CannotFoundEdgeCaseException extends RuntimeException {
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private final String errors;
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private final HttpStatus httpStatus;
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public CannotFoundEdgeCaseException(String errors, HttpStatus httpStatus) {
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this.errors = errors;
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this.httpStatus = httpStatus;
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}
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}

‎src/main/java/com/gamzabat/algohub/feature/edgecase/exception/NotAuthorizedUserException.java‎

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package com.gamzabat.algohub.feature.edgecase.exception;
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import org.springframework.http.HttpStatus;
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import lombok.Getter;
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@Getter
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public class NotAuthorizedUserException extends RuntimeException {
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private final String error;
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private final HttpStatus httpStatus;
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public NotAuthorizedUserException(String error, HttpStatus httpStatus) {
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this.error = error;
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this.httpStatus = httpStatus;
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}
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}

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