[BE] ✨ feat : 장바구니 목록 취소 기능 구현 #42

Server/src/docs/asciidoc/snippets/video/cartvideo.adoc

@@ -32,6 +32,17 @@ include::{snippets}/video/changecartcancel/http-response.adoc[]
 ==== Response Fields
 include::{snippets}/video/changecartcancel/response-fields.adoc[]
 
+== 비디오 장바구니 목록 취소
+=== HTTP Request
+include::{snippets}/video/deletecarts/http-request.adoc[]
+==== Request Headers
+include::{snippets}/video/deletecarts/request-headers.adoc[]
+==== Request Body
+include::{snippets}/video/deletecarts/request-body.adoc[]
+==== Request Fields
+include::{snippets}/video/deletecarts/request-fields.adoc[]
+=== HTTP Response
+include::{snippets}/video/deletecarts/http-response.adoc[]
 
 
 

Server/src/main/java/com/server/domain/cart/repository/CartRepository.java

@@ -4,10 +4,19 @@
 import com.server.domain.member.entity.Member;
 import com.server.domain.video.entity.Video;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Modifying;
+import org.springframework.data.jpa.repository.Query;
 
+import java.util.List;
 import java.util.Optional;
 
 public interface CartRepository extends JpaRepository<Cart, Long> {
 
     Optional<Cart> findByMemberAndVideo(Member member, Video video);
+
+    @Query("delete Cart c " +
+            "where c.video.videoId in :videoIds " +
+            "and c.member = :member")
+    @Modifying
+    int deleteByMemberAndVideoIds(Member member, List<Long> videoIds);
 }

Server/src/main/java/com/server/domain/video/controller/VideoController.java

@@ -162,6 +162,16 @@ public ResponseEntity<ApiSingleResponse<Boolean>> changeCart(
         return ResponseEntity.ok(ApiSingleResponse.ok(isInCart, message));
     }
 
+    @DeleteMapping("/carts")
+    public ResponseEntity<Void> deleteCarts(
+            @RequestBody @Valid VideoCartDeleteApiRequest request,
+            @LoginId Long loginMemberId) {
+
+        videoService.deleteCarts(loginMemberId, request.getVideoIds());
+
+        return ResponseEntity.noContent().build();
+    }
+
     @DeleteMapping("/{video-id}")
     public ResponseEntity<Void> deleteVideo(@PathVariable("video-id") @Positive(message = "{validation.positive}") Long videoId,
                                             @LoginId Long loginMemberId) {

Server/src/main/java/com/server/domain/video/controller/dto/request/VideoCartDeleteApiRequest.java

@@ -0,0 +1,24 @@
+package com.server.domain.video.controller.dto.request;
+
+import com.server.global.validation.EachNotBlank;
+import com.server.global.validation.EachPositive;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+import javax.validation.constraints.NotNull;
+import javax.validation.constraints.Size;
+import java.util.List;
+
+@NoArgsConstructor
+@AllArgsConstructor
+@Getter
+@Builder
+public class VideoCartDeleteApiRequest {
+
+    @NotNull(message = "{validation.video.cart.videoIds}")
+    @EachPositive(message = "{validation.positive}")
+    @Size(min = 1, message = "{validation.video.cart.videoIds}")
+    public List<Long> videoIds;
+}

Server/src/main/java/com/server/domain/video/service/VideoService.java

@@ -161,6 +161,14 @@ public Boolean changeCart(Long loginMemberId, Long videoId) {
         return createOrDeleteCart(member, video);
     }
 
+    @Transactional
+    public void deleteCarts(Long loginMemberId, List<Long> videoIds) {
+
+        Member member = verifiedMember(loginMemberId);
+
+        cartRepository.deleteByMemberAndVideoIds(member, videoIds);
+    }
+
     @Transactional
     public void deleteVideo(Long loginMemberId, Long videoId) {
 

Server/src/main/java/com/server/global/validation/EachPositive.java

@@ -0,0 +1,20 @@
+package com.server.global.validation;
+
+import javax.validation.Constraint;
+import javax.validation.Payload;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Target({ ElementType.FIELD })
+@Retention(RetentionPolicy.RUNTIME)
+@Constraint(validatedBy = EachPositiveValidator.class)
+public @interface EachPositive {
+
+    String message() default "List contains not positive value";
+
+    Class<?>[] groups() default {};
+
+    Class<? extends Payload>[] payload() default {};
+}

Server/src/main/java/com/server/global/validation/EachPositiveValidator.java

@@ -0,0 +1,27 @@
+package com.server.global.validation;
+
+import javax.validation.ConstraintValidator;
+import javax.validation.ConstraintValidatorContext;
+import java.util.List;
+
+public class EachPositiveValidator implements ConstraintValidator<EachPositive, List<? extends Number>> {
+
+    @Override
+    public void initialize(EachPositive constraintAnnotation) {
+    }
+
+    @Override
+    public boolean isValid(List<? extends Number> list, ConstraintValidatorContext context) {
+        if (list == null) {
+            return true;
+        }
+
+        for (Number item : list) {
+            if (item == null || item.longValue() <= 0) {
+                return false;
+            }
+        }
+        return true;
+    }
+}
+

Server/src/main/resources/messages.properties

@@ -16,6 +16,7 @@ validation.video.price=가격은 필수입니다.
 validation.video.price.min=가격은 0원 이상이어야 합니다.
 validation.video.categories=카테고리는 필수입니다.
 validation.video.categories.size=카테고리는 {min}개 이상이어야 합니다.
+validation.video.cart.videoIds=비디오 id 값은 필수입니다.
 
 validation.announcement.content=공지사항 내용은 필수입니다.
 

Server/src/test/java/com/server/domain/cart/repository/CartRepositoryTest.java

@@ -10,6 +10,8 @@
 import org.junit.jupiter.api.Test;
 import org.springframework.beans.factory.annotation.Autowired;
 
+import java.util.List;
+
 import static org.assertj.core.api.Assertions.*;
 
 
@@ -26,6 +28,7 @@ void findByMemberAndVideo() {
         Video video = createAndSaveVideo(channel);
 
         Member loginMember = createAndSaveMember();
+        Channel loginMemberChannel = createAndSaveChannel(loginMember);
 
         Cart cart = Cart.createCart(loginMember, video, video.getPrice());
         em.persist(cart);
@@ -40,4 +43,39 @@ void findByMemberAndVideo() {
         assertThat(findCart.getMember().getMemberId()).isEqualTo(loginMember.getMemberId());
         assertThat(findCart.getVideo().getVideoId()).isEqualTo(video.getVideoId());
     }
+
+    @Test
+    @DisplayName("member 와 videoId 리스트로 모든 cart 를 삭제한다.")
+    void deleteByMemberAndVideoIds() {
+        //given
+        Member owner = createAndSaveMember();
+        Channel channel = createAndSaveChannel(owner);
+        Video video1 = createAndSaveVideo(channel);
+        Video video2 = createAndSaveVideo(channel);
+        Video video3 = createAndSaveVideo(channel);
+
+        Member loginMember = createAndSaveMember();
+        Channel loginMemberChannel = createAndSaveChannel(loginMember);
+
+        Cart cart1 = Cart.createCart(loginMember, video1, video1.getPrice());
+        Cart cart2 = Cart.createCart(loginMember, video2, video2.getPrice());
+        Cart cart3 = Cart.createCart(loginMember, video3, video3.getPrice());
+        em.persist(cart1);
+        em.persist(cart2);
+        em.persist(cart3);
+
+        em.flush();
+        em.clear();
+
+        //when (cart 에 담긴 3개 중 2개만 삭제)
+        cartRepository.deleteByMemberAndVideoIds(
+                loginMember,
+                List.of(video1.getVideoId(), video2.getVideoId())
+        );
+
+        //then
+        assertThat(cartRepository.findAll()).hasSize(1)
+                .extracting("cartId")
+                .containsExactlyInAnyOrder(cart3.getCartId());
+    }
 }

Server/src/test/java/com/server/domain/video/controller/VideoControllerTest.java

@@ -557,6 +557,43 @@ void changeCartCancel() throws Exception {
         );
     }
 
+    @Test
+    @DisplayName("videoId 를 통한 장바구니 전체 취소 API")
+    void deleteCarts() throws Exception {
+        //given
+        VideoCartDeleteApiRequest request = VideoCartDeleteApiRequest.builder()
+                .videoIds(List.of(1L, 2L, 3L))
+                .build();
+
+        //when
+        ResultActions actions = mockMvc.perform(
+                delete(BASE_URL + "/carts")
+                        .contentType(APPLICATION_JSON)
+                        .header(AUTHORIZATION, TOKEN)
+                        .content(objectMapper.writeValueAsString(request))
+        );
+
+        //then
+        actions.andDo(print())
+                .andExpect(status().isNoContent());
+
+        //restDocs
+        setConstraintClass(VideoCartDeleteApiRequest.class);
+
+        actions
+                .andDo(
+                        documentHandler.document(
+                                requestHeaders(
+                                        headerWithName(AUTHORIZATION).description("Access Token")
+                                ),
+                                requestFields(
+                                        fieldWithPath("videoIds").description("장바구니에서 삭제할 비디오 ID 목록")
+                                                .attributes(getConstraint("videoIds"))
+                                )
+                        )
+                );
+    }
+
     @Test
     @DisplayName("비디오 삭제 API")
     void deleteVideo() throws Exception {
@@ -1478,6 +1515,83 @@ void changeCartValidation() throws Exception {
                 .andExpect(jsonPath("$.data[0].reason").value("해당 값은 양수만 가능합니다."));
     }
 
+    @TestFactory
+    @DisplayName("장바구니 삭제 시 validation 테스트")
+    Collection<DynamicTest> deleteCartsValidation() {
+        //given
+
+
+        return List.of(
+                dynamicTest("videoIds 가 Null 이면 검증에 실패한다.", ()-> {
+                    //given
+                    VideoCartDeleteApiRequest request = VideoCartDeleteApiRequest.builder()
+                            .videoIds(null)
+                            .build();
+
+                    //when
+                    ResultActions actions = mockMvc.perform(
+                            delete(BASE_URL + "/carts")
+                                    .contentType(APPLICATION_JSON)
+                                    .header(AUTHORIZATION, TOKEN)
+                                    .content(objectMapper.writeValueAsString(request))
+                    );
+
+                    //then
+                    actions.andDo(print())
+                            .andExpect(status().isBadRequest())
+                            .andExpect(jsonPath("$.data[0].field").value("videoIds"))
+                            .andExpect(jsonPath("$.data[0].value").value("null"))
+                            .andExpect(jsonPath("$.data[0].reason").value("비디오 id 값은 필수입니다."));
+                }),
+                dynamicTest("videoIds 가 있지만 빈 배열이면 검증에 실패한다.", ()-> {
+                    //given
+                    VideoCartDeleteApiRequest request = VideoCartDeleteApiRequest.builder()
+                            .videoIds(new ArrayList<>())
+                            .build();
+
+                    //when
+                    ResultActions actions = mockMvc.perform(
+                            delete(BASE_URL + "/carts")
+                                    .contentType(APPLICATION_JSON)
+                                    .header(AUTHORIZATION, TOKEN)
+                                    .content(objectMapper.writeValueAsString(request))
+                    );
+
+                    //then
+                    actions.andDo(print())
+                            .andExpect(status().isBadRequest())
+                            .andExpect(jsonPath("$.data[0].field").value("videoIds"))
+                            .andExpect(jsonPath("$.data[0].value").value("[]"))
+                            .andExpect(jsonPath("$.data[0].reason").value("비디오 id 값은 필수입니다."));
+                }),
+                dynamicTest("videoIds 가 양수가 아니면 검증에 실패한다.", ()-> {
+                    //given
+                    VideoCartDeleteApiRequest request = VideoCartDeleteApiRequest.builder()
+                            .videoIds(List.of(0L, 1L))
+                            .build();
+
+                    //when
+                    ResultActions actions = mockMvc.perform(
+                            delete(BASE_URL + "/carts")
+                                    .contentType(APPLICATION_JSON)
+                                    .header(AUTHORIZATION, TOKEN)
+                                    .content(objectMapper.writeValueAsString(request))
+                    );
+
+                    //then
+                    actions.andDo(print())
+                            .andExpect(status().isBadRequest())
+                            .andExpect(jsonPath("$.data[0].field").value("videoIds"))
+                            .andExpect(jsonPath("$.data[0].value").value("[0, 1]"))
+                            .andExpect(jsonPath("$.data[0].reason").value("해당 값은 양수만 가능합니다."));
+                })
+
+
+
+
+        );
+    }
+
     @Test
     @DisplayName("비디오 삭제 시 validation 테스트 - videoId 가 양수가 아니면 검증에 실패한다.")
     void deleteVideoValidation() throws Exception {