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Merge pull request #157 from SEMOSAN/feat/#156-course-like
[Feat] 코스 좋아요 토글 API 추가
2 parents 3ff34e8 + 27f7410 commit 807e97e

16 files changed

Lines changed: 397 additions & 5 deletions

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‎src/main/java/com/semosan/api/common/status/SuccessStatus.java‎

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@@ -43,6 +43,7 @@ public enum SuccessStatus implements BaseStatus {
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MOUNTAIN_MAP_SUCCESS(HttpStatus.OK, "MTN_200_7", "지도 영역 내 산 조회에 성공했습니다."),
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MOUNTAIN_RECOMMENDATION_SUCCESS(HttpStatus.OK, "MTN_200_8", "레벨 맞춤 산 추천 조회에 성공했습니다."),
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COURSE_DETAIL_SUCCESS(HttpStatus.OK, "MTN_200_9", "코스 상세 정보 조회에 성공했습니다."),
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COURSE_LIKE_TOGGLE_SUCCESS(HttpStatus.OK, "MTN_200_10", "코스 좋아요 처리에 성공했습니다."),
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/**
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* Hiking Record

‎src/main/java/com/semosan/api/domain/mountain/controller/CourseController.java‎

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@@ -4,12 +4,15 @@
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import com.semosan.api.common.status.SuccessStatus;
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import com.semosan.api.domain.mountain.controller.docs.CourseControllerDocs;
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import com.semosan.api.domain.mountain.dto.response.CourseDetailResponse;
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import com.semosan.api.domain.mountain.dto.response.CourseLikeToggleResponse;
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import com.semosan.api.domain.mountain.service.CourseLikeService;
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import com.semosan.api.domain.mountain.service.CourseService;
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import lombok.RequiredArgsConstructor;
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import org.springframework.http.ResponseEntity;
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import org.springframework.security.core.annotation.AuthenticationPrincipal;
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import org.springframework.web.bind.annotation.GetMapping;
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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.RequestMapping;
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import org.springframework.web.bind.annotation.RestController;
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@@ -19,14 +22,27 @@
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public class CourseController implements CourseControllerDocs {
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private final CourseService courseService;
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private final CourseLikeService courseLikeService;
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@GetMapping("/{courseId}")
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@Override
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public ResponseEntity<ApiResponse<CourseDetailResponse>> getCourseDetail(
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@AuthenticationPrincipal Long userId,
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@PathVariable Long courseId
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) {
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CourseDetailResponse response = courseService.getCourseDetail(courseId);
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CourseDetailResponse response = courseService.getCourseDetail(userId, courseId);
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return ApiResponse.success(SuccessStatus.COURSE_DETAIL_SUCCESS, response);
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}
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@PostMapping("/{courseId}/like")
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@Override
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public ResponseEntity<ApiResponse<CourseLikeToggleResponse>> toggleCourseLike(
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@AuthenticationPrincipal Long userId,
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@PathVariable Long courseId
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) {
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return ApiResponse.success(
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SuccessStatus.COURSE_LIKE_TOGGLE_SUCCESS,
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courseLikeService.toggleCourseLike(userId, courseId)
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);
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}
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}

‎src/main/java/com/semosan/api/domain/mountain/controller/docs/CourseControllerDocs.java‎

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@@ -2,6 +2,7 @@
22

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import com.semosan.api.common.response.ApiResponse;
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import com.semosan.api.domain.mountain.dto.response.CourseDetailResponse;
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import com.semosan.api.domain.mountain.dto.response.CourseLikeToggleResponse;
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import io.swagger.v3.oas.annotations.Operation;
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import io.swagger.v3.oas.annotations.Parameter;
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import io.swagger.v3.oas.annotations.media.Content;
@@ -36,4 +37,25 @@ ResponseEntity<ApiResponse<CourseDetailResponse>> getCourseDetail(
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@Parameter(description = "코스 ID", required = true)
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@PathVariable Long courseId
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);
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@Operation(
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summary = "코스 좋아요 토글",
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description = "로그인한 사용자가 코스 좋아요를 누르거나 취소합니다."
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)
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@ApiResponses({
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@io.swagger.v3.oas.annotations.responses.ApiResponse(
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responseCode = "200",
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description = "코스 좋아요 토글 성공"
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),
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@io.swagger.v3.oas.annotations.responses.ApiResponse(
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responseCode = "404",
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description = "코스를 찾을 수 없음 (MTN_404_3)",
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content = @Content(schema = @Schema(implementation = ApiResponse.class))
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)
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})
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ResponseEntity<ApiResponse<CourseLikeToggleResponse>> toggleCourseLike(
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@AuthenticationPrincipal Long userId,
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@Parameter(description = "코스 ID", required = true)
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@PathVariable Long courseId
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);
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}

‎src/main/java/com/semosan/api/domain/mountain/dto/response/CourseDetailResponse.java‎

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@@ -12,6 +12,7 @@
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*/
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public record CourseDetailResponse(
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Long id,
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Long mountainId,
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String name,
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Difficulty difficulty,
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Double distance,
@@ -21,12 +22,14 @@ public record CourseDetailResponse(
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Double ascent,
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Double descent,
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Double maxAltitude,
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boolean likedByMe,
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@JsonRawValue String polyline,
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@JsonRawValue String altitudes
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) {
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public static CourseDetailResponse from(CourseDetailProjection p) {
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public static CourseDetailResponse from(CourseDetailProjection p, boolean likedByMe) {
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return new CourseDetailResponse(
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p.getId(),
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p.getMountainId(),
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p.getName(),
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p.getDifficulty() == null ? null : Difficulty.valueOf(p.getDifficulty()),
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p.getDistance(),
@@ -36,6 +39,7 @@ public static CourseDetailResponse from(CourseDetailProjection p) {
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p.getAscent(),
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p.getDescent(),
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p.getMaxAltitude(),
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likedByMe,
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p.getPolyline(),
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p.getAltitudes()
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);

‎src/main/java/com/semosan/api/domain/mountain/dto/response/CourseLikeToggleResponse.java‎

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package com.semosan.api.domain.mountain.dto.response;
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public record CourseLikeToggleResponse(
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boolean liked
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) {
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}

‎src/main/java/com/semosan/api/domain/mountain/entity/CourseLike.java‎

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package com.semosan.api.domain.mountain.entity;
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import com.semosan.api.common.base.BaseEntity;
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import com.semosan.api.domain.user.entity.User;
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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.Index;
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import jakarta.persistence.JoinColumn;
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import jakarta.persistence.ManyToOne;
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import jakarta.persistence.Table;
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import jakarta.persistence.UniqueConstraint;
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import lombok.AccessLevel;
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import lombok.AllArgsConstructor;
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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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@Table(
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name = "course_likes",
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uniqueConstraints = {
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@UniqueConstraint(
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name = "uk_course_likes_user_id_course_id",
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columnNames = {"user_id", "course_id"}
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)
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},
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indexes = {
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@Index(name = "idx_course_likes_user_id_created_at", columnList = "user_id, created_at DESC")
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}
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)
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@Getter
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@Entity
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@Builder(access = AccessLevel.PROTECTED)
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@AllArgsConstructor(access = AccessLevel.PROTECTED)
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@NoArgsConstructor(access = AccessLevel.PROTECTED)
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public class CourseLike extends BaseEntity {
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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 = "user_id", nullable = false)
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private User user;
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@ManyToOne(fetch = FetchType.LAZY)
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@JoinColumn(name = "course_id", nullable = false)
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private Course course;
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public static CourseLike create(User user, Course course) {
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return CourseLike.builder()
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.user(user)
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.course(course)
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.build();
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}
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}

‎src/main/java/com/semosan/api/domain/mountain/repository/CourseLikeRepository.java‎

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package com.semosan.api.domain.mountain.repository;
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import com.semosan.api.domain.mountain.entity.CourseLike;
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import org.springframework.data.jpa.repository.JpaRepository;
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import org.springframework.data.jpa.repository.Modifying;
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import org.springframework.data.jpa.repository.Query;
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import org.springframework.data.repository.query.Param;
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import java.util.Optional;
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public interface CourseLikeRepository extends JpaRepository<CourseLike, Long> {
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boolean existsByUser_IdAndCourse_Id(Long userId, Long courseId);
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Optional<CourseLike> findByUser_IdAndCourse_Id(Long userId, Long courseId);
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@Modifying(clearAutomatically = true)
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@Query("DELETE FROM CourseLike cl WHERE cl.user.id = :userId")
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void deleteByUser_Id(@Param("userId") Long userId);
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}

‎src/main/java/com/semosan/api/domain/mountain/repository/CourseRepository.java‎

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@@ -29,6 +29,7 @@ public interface CourseRepository extends JpaRepository<Course, Long> {
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value = """
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SELECT
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c.id AS id,
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c.mountain_id AS mountainId,
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c.name AS name,
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c.difficulty AS difficulty,
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c.distance AS distance,

‎src/main/java/com/semosan/api/domain/mountain/repository/projection/CourseDetailProjection.java‎

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*/
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public interface CourseDetailProjection {
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Long getId();
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Long getMountainId();
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String getName();
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String getDifficulty();
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Double getDistance();

‎src/main/java/com/semosan/api/domain/mountain/service/CourseLikeService.java‎

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package com.semosan.api.domain.mountain.service;
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import com.semosan.api.common.exception.GeneralException;
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import com.semosan.api.common.status.ErrorStatus;
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import com.semosan.api.domain.mountain.dto.response.CourseLikeToggleResponse;
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import com.semosan.api.domain.mountain.entity.Course;
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import com.semosan.api.domain.mountain.entity.CourseLike;
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import com.semosan.api.domain.mountain.repository.CourseLikeRepository;
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import com.semosan.api.domain.mountain.repository.CourseRepository;
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import com.semosan.api.domain.user.entity.User;
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import com.semosan.api.domain.user.service.UserReader;
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import lombok.RequiredArgsConstructor;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.dao.DataIntegrityViolationException;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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@Slf4j
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@Service
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@RequiredArgsConstructor
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public class CourseLikeService {
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private final CourseLikeRepository courseLikeRepository;
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private final CourseRepository courseRepository;
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private final UserReader userReader;
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@Transactional(noRollbackFor = DataIntegrityViolationException.class)
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public CourseLikeToggleResponse toggleCourseLike(Long userId, Long courseId) {
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boolean liked = toggle(userId, courseId);
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return new CourseLikeToggleResponse(liked);
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}
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private boolean toggle(Long userId, Long courseId) {
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User user = userReader.findCompletedOnboardingUserById(userId);
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Course course = findCourseById(courseId);
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return courseLikeRepository.findByUser_IdAndCourse_Id(userId, courseId)
38+
.map(existing -> {
39+
courseLikeRepository.delete(existing);
40+
return false;
41+
})
42+
.orElseGet(() -> createCourseLike(user, course, userId, courseId));
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}
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private boolean createCourseLike(User user, Course course, Long userId, Long courseId) {
46+
try {
47+
courseLikeRepository.save(CourseLike.create(user, course));
48+
return true;
49+
} catch (DataIntegrityViolationException e) {
50+
log.warn("CourseLike 동시 요청 감지: courseId={}, userId={}", courseId, userId);
51+
return true;
52+
}
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}
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private Course findCourseById(Long courseId) {
56+
return courseRepository.findById(courseId)
57+
.orElseThrow(() -> new GeneralException(ErrorStatus.COURSE_NOT_FOUND));
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}
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}

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