[feat] Playlist 생성하는 기능 추가

src/main/java/com/mookive/mookive_backend/playlist/application/dto/request/PlaylistRequest.java

@@ -0,0 +1,21 @@
+package com.mookive.mookive_backend.playlist.application.dto.request;
+
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+public class PlaylistRequest {
+
+    @Getter
+    @NoArgsConstructor
+    public static class PlaylistCreateRequest {
+        private Long userId;
+        private String name;
+
+        @Builder
+        public PlaylistCreateRequest(Long userId, String name) {
+            this.userId = userId;
+            this.name = name;
+        }
+    }
+}

src/main/java/com/mookive/mookive_backend/playlist/application/mapper/PlaylistMapper.java

@@ -0,0 +1,15 @@
+package com.mookive.mookive_backend.playlist.application.mapper;
+
+import com.mookive.mookive_backend.playlist.application.dto.request.PlaylistRequest;
+import com.mookive.mookive_backend.playlist.domain.entity.Playlist;
+import com.mookive.mookive_backend.user.domain.entity.User;
+
+public class PlaylistMapper {
+
+    public static Playlist mapToPlaylist(User user, PlaylistRequest.PlaylistCreateRequest playlistCreateRequest) {
+        return Playlist.builder()
+                .name(playlistCreateRequest.getName())
+                .user(user)
+                .build();
+    }
+}

src/main/java/com/mookive/mookive_backend/playlist/application/service/PlaylistCreateService.java

@@ -0,0 +1,27 @@
+package com.mookive.mookive_backend.playlist.application.service;
+
+import com.mookive.mookive_backend.playlist.application.dto.request.PlaylistRequest;
+import com.mookive.mookive_backend.playlist.application.mapper.PlaylistMapper;
+import com.mookive.mookive_backend.playlist.domain.entity.Playlist;
+import com.mookive.mookive_backend.playlist.domain.service.PlaylistSaveService;
+import com.mookive.mookive_backend.user.domain.entity.User;
+import com.mookive.mookive_backend.user.domain.service.UserQueryService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
+public class PlaylistCreateService {
+
+    private final UserQueryService userQueryService;
+    private final PlaylistSaveService playlistSaveService;
+
+    public void createPlaylist(PlaylistRequest.PlaylistCreateRequest playlistCreateRequest) {
+        System.out.println("playlistCreateRequest = " + playlistCreateRequest.getName());
+        Long userId = playlistCreateRequest.getUserId();
+        System.out.println("userId = " + userId);
+        User user = userQueryService.findById(userId);
+        Playlist playlist = PlaylistMapper.mapToPlaylist(user, playlistCreateRequest);
+        playlistSaveService.savePlaylist(playlist);
+    }
+}

src/main/java/com/mookive/mookive_backend/playlist/domain/service/PlaylistSaveService.java

@@ -0,0 +1,17 @@
+package com.mookive.mookive_backend.playlist.domain.service;
+
+import com.mookive.mookive_backend.playlist.domain.entity.Playlist;
+import com.mookive.mookive_backend.playlist.domain.repository.PlaylistRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
+public class PlaylistSaveService {
+
+    private final PlaylistRepository playlistRepository;
+
+    public void savePlaylist(Playlist playlist) {
+        playlistRepository.save(playlist);
+    }
+}

src/main/java/com/mookive/mookive_backend/playlist/presentation/PlaylistController.java

@@ -0,0 +1,20 @@
+package com.mookive.mookive_backend.playlist.presentation;
+
+import com.mookive.mookive_backend.playlist.application.dto.request.PlaylistRequest;
+import com.mookive.mookive_backend.playlist.application.service.PlaylistCreateService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequiredArgsConstructor
+public class PlaylistController {
+
+    private final PlaylistCreateService playlistCreateService;
+
+    @PostMapping("/playlist")
+    public void createPlaylist(@RequestBody PlaylistRequest.PlaylistCreateRequest playlistCreateRequest) {
+        playlistCreateService.createPlaylist(playlistCreateRequest);
+    }
+}