Merge pull request #16 from syyling/feat/11

[feat] 랭킹 조회 기능 추가

src/main/java/com/mookive/mookive_backend/ranking/applicaiton/dto/response/RankingResponse.java

@@ -0,0 +1,24 @@
+package com.mookive.mookive_backend.ranking.applicaiton.dto.response;
+
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+public class RankingResponse {
+
+    @Getter
+    @NoArgsConstructor
+    public static class RankingInfoResponse {
+
+        private int rankingNumber;
+        private String poster;
+        private String title;
+
+        @Builder
+        public RankingInfoResponse(int rankingNumber, String poster, String title) {
+            this.rankingNumber = rankingNumber;
+            this.poster = poster;
+            this.title = title;
+        }
+    }
+}

src/main/java/com/mookive/mookive_backend/ranking/applicaiton/mapper/RankingMapper.java

@@ -1,6 +1,7 @@
 package com.mookive.mookive_backend.ranking.applicaiton.mapper;
 
 import com.mookive.mookive_backend.movie.domain.entity.Movie;
+import com.mookive.mookive_backend.ranking.applicaiton.dto.response.RankingResponse;
 import com.mookive.mookive_backend.ranking.domain.entity.Ranking;
 import com.mookive.mookive_backend.user.domain.entity.User;
 
@@ -13,4 +14,12 @@ public static Ranking mapToRanking(Movie movie, User user, int rankingNumber) {
                 .rankingNumber(rankingNumber)
                 .build();
     }
+
+    public static RankingResponse.RankingInfoResponse mapToRankingInfoResponse(Ranking ranking) {
+        return RankingResponse.RankingInfoResponse.builder()
+                .rankingNumber(ranking.getRankingNumber())
+                .poster(ranking.getMovie().getPoster())
+                .title(ranking.getMovie().getTitle())
+                .build();
+    }
 }

src/main/java/com/mookive/mookive_backend/ranking/applicaiton/service/RankingCreateService.java

@@ -21,7 +21,7 @@ public class RankingCreateService {
     private final MovieQueryService movieQueryService;
     private final UserQueryService userQueryService;
 
-    public void createRank(List<RankingRequest.RankingCreateRequest> rankCreateRequestList) {
+    public void createRanking(List<RankingRequest.RankingCreateRequest> rankCreateRequestList) {
 
         for(RankingRequest.RankingCreateRequest rankingCreateRequest : rankCreateRequestList) {
             Long movieId = rankingCreateRequest.getMovieId();

src/main/java/com/mookive/mookive_backend/ranking/applicaiton/service/RankingGetService.java

@@ -0,0 +1,40 @@
+package com.mookive.mookive_backend.ranking.applicaiton.service;
+
+import com.mookive.mookive_backend.ranking.applicaiton.dto.response.RankingResponse;
+import com.mookive.mookive_backend.ranking.applicaiton.mapper.RankingMapper;
+import com.mookive.mookive_backend.ranking.domain.entity.Ranking;
+import com.mookive.mookive_backend.ranking.domain.service.RankingQueryService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.List;
+import java.util.stream.Collectors;
+
+@Service
+@RequiredArgsConstructor
+public class RankingGetService {
+
+    private final RankingQueryService rankingQueryService;
+
+    public List<RankingResponse.RankingInfoResponse> getRanking(Long userId) {
+        List<Ranking> rankingList = rankingQueryService.findByUserId(userId);
+        Collections.sort(rankingList, new Comparator<Ranking>() {
+            @Override
+            public int compare(Ranking o1, Ranking o2) {
+                return o1.getRankingNumber()-o2.getRankingNumber();
+            }
+        });
+
+        List<RankingResponse.RankingInfoResponse> rankingInfoResponseList = rankingList.stream().map(ranking -> {
+            RankingResponse.RankingInfoResponse rankingInfoResponse = RankingMapper.mapToRankingInfoResponse(ranking);
+            return rankingInfoResponse;
+        }).collect(Collectors.toList());
+
+        return rankingInfoResponseList;
+    }
+
+
+
+}

src/main/java/com/mookive/mookive_backend/ranking/domain/respository/RankingRepository.java

@@ -3,5 +3,9 @@
 import com.mookive.mookive_backend.ranking.domain.entity.Ranking;
 import org.springframework.data.jpa.repository.JpaRepository;
 
+import java.util.List;
+
 public interface RankingRepository extends JpaRepository<Ranking, Long> {
+
+    List<Ranking> findByUserId(Long userId);
 }

src/main/java/com/mookive/mookive_backend/ranking/domain/service/RankingQueryService.java

@@ -0,0 +1,19 @@
+package com.mookive.mookive_backend.ranking.domain.service;
+
+import com.mookive.mookive_backend.ranking.domain.entity.Ranking;
+import com.mookive.mookive_backend.ranking.domain.respository.RankingRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+@Service
+@RequiredArgsConstructor
+public class RankingQueryService {
+
+    private final RankingRepository rankingRepository;
+
+    public List<Ranking> findByUserId(Long userId) {
+        return rankingRepository.findByUserId(userId);
+    }
+}

src/main/java/com/mookive/mookive_backend/ranking/presentation/RankingController.java

@@ -1,11 +1,11 @@
 package com.mookive.mookive_backend.ranking.presentation;
 
 import com.mookive.mookive_backend.ranking.applicaiton.dto.request.RankingRequest;
+import com.mookive.mookive_backend.ranking.applicaiton.dto.response.RankingResponse;
 import com.mookive.mookive_backend.ranking.applicaiton.service.RankingCreateService;
+import com.mookive.mookive_backend.ranking.applicaiton.service.RankingGetService;
 import lombok.RequiredArgsConstructor;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestBody;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
 
 import java.util.List;
 
@@ -14,9 +14,15 @@
 public class RankingController {
 
     private final RankingCreateService rankingCreateService;
+    private final RankingGetService rankingGetService;
 
     @PostMapping("/ranking")
-    public void createRank(@RequestBody List<RankingRequest.RankingCreateRequest> rankingCreateRequestList) {
-        rankingCreateService.createRank(rankingCreateRequestList);
+    public void createRanking(@RequestBody List<RankingRequest.RankingCreateRequest> rankingCreateRequestList) {
+        rankingCreateService.createRanking(rankingCreateRequestList);
+    }
+
+    @GetMapping("/ranking/{userId}")
+    public List<RankingResponse.RankingInfoResponse> getRanking(@PathVariable Long userId) {
+        return rankingGetService.getRanking(userId);
     }
 }