视频资源列表返回时长

src/main/java/xyz/playedu/api/controller/backend/ResourceController.java

@@ -12,6 +12,7 @@ import xyz.playedu.api.config.MinioConfig;
 import xyz.playedu.api.constant.BackendConstant;
 import xyz.playedu.api.domain.Resource;
 import xyz.playedu.api.domain.ResourceCategory;
+import xyz.playedu.api.domain.ResourceVideo;
 import xyz.playedu.api.exception.NotFoundException;
 import xyz.playedu.api.request.backend.ResourceRequest;
 import xyz.playedu.api.service.ResourceCategoryService;
@@ -22,6 +23,7 @@ import xyz.playedu.api.types.paginate.PaginationResult;
 import xyz.playedu.api.types.paginate.ResourcePaginateFilter;
 
 import java.util.*;
+import java.util.stream.Collectors;
 
 /**
  * @Author 杭州白书科技有限公司
@@ -75,7 +77,16 @@ public class ResourceController {
 
         PaginationResult<Resource> result = resourceService.paginate(page, size, filter);
 
-        return JsonResponse.data(result);
+        HashMap<String, Object> data = new HashMap<>();
+        data.put("result", result);
+
+        if (type.equals(BackendConstant.RESOURCE_TYPE_VIDEO)) {
+            List<ResourceVideo> resourceVideos = resourceVideoService.chunksByResourceIds(result.getData().stream().map(Resource::getId).collect(Collectors.toList()));
+            Map<Integer, Integer> resourceVideosMap = resourceVideos.stream().collect(Collectors.toMap(ResourceVideo::getRid, ResourceVideo::getDuration));
+            data.put("video_duration", resourceVideosMap);
+        }
+
+        return JsonResponse.data(data);
     }
 
     @GetMapping("/create")

src/main/java/xyz/playedu/api/service/ResourceVideoService.java

@@ -3,14 +3,19 @@ package xyz.playedu.api.service;
 import xyz.playedu.api.domain.ResourceVideo;
 import com.baomidou.mybatisplus.extension.service.IService;
 
+import java.util.List;
+import java.util.Map;
+
 /**
-* @author tengteng
-* @description 针对表【resource_videos】的数据库操作Service
-* @createDate 2023-03-02 15:13:03
-*/
+ * @author tengteng
+ * @description 针对表【resource_videos】的数据库操作Service
+ * @createDate 2023-03-02 15:13:03
+ */
 public interface ResourceVideoService extends IService<ResourceVideo> {
 
     void create(Integer resourceId, Integer duration);
 
     void removeByRid(Integer resourceId);
+
+    List<ResourceVideo> chunksByResourceIds(List<Integer> resourceIds);
 }

src/main/java/xyz/playedu/api/service/impl/ResourceVideoServiceImpl.java

@@ -7,15 +7,16 @@ import xyz.playedu.api.mapper.ResourceVideoMapper;
 import org.springframework.stereotype.Service;
 
 import java.util.Date;
+import java.util.List;
+import java.util.Map;
 
 /**
-* @author tengteng
-* @description 针对表【resource_videos】的数据库操作Service实现
-* @createDate 2023-03-02 15:13:03
-*/
+ * @author tengteng
+ * @description 针对表【resource_videos】的数据库操作Service实现
+ * @createDate 2023-03-02 15:13:03
+ */
 @Service
-public class ResourceVideoServiceImpl extends ServiceImpl<ResourceVideoMapper, ResourceVideo>
-    implements ResourceVideoService{
+public class ResourceVideoServiceImpl extends ServiceImpl<ResourceVideoMapper, ResourceVideo> implements ResourceVideoService {
     @Override
     public void create(Integer resourceId, Integer duration) {
         ResourceVideo video = new ResourceVideo();
@@ -29,6 +30,11 @@ public class ResourceVideoServiceImpl extends ServiceImpl<ResourceVideoMapper, R
     public void removeByRid(Integer resourceId) {
         remove(query().getWrapper().eq("rid", resourceId));
     }
+
+    @Override
+    public List<ResourceVideo> chunksByResourceIds(List<Integer> resourceIds) {
+        return list(query().getWrapper().in("rid", resourceIds));
+    }
 }