feat: add api for update photos in batch (#1679)

Signed-off-by: Ryan Wang <i@ryanc.cc>

src/main/java/run/halo/app/controller/admin/api/PhotoController.java

@@ -4,6 +4,7 @@ import static org.springframework.data.domain.Sort.Direction.DESC;
 
 import io.swagger.annotations.ApiOperation;
 import java.util.List;
+import java.util.Objects;
 import java.util.stream.Collectors;
 import javax.validation.Valid;
 import org.springframework.data.domain.Page;
@@ -112,6 +113,22 @@ public class PhotoController {
         return new PhotoDTO().convertFrom(photoService.update(photo));
     }
 
+    @PutMapping("/batch")
+    @ApiOperation("Updates photo in batch")
+    public List<PhotoDTO> updateBatchBy(@RequestBody List<@Valid PhotoParam> photoParams) {
+        List<Photo> photosToUpdate = photoParams.stream()
+            .filter(photoParam -> Objects.nonNull(photoParam.getId()))
+            .map(photoParam -> {
+                Photo photoToUpdate = photoService.getById(photoParam.getId());
+                photoParam.update(photoToUpdate);
+                return photoToUpdate;
+            })
+            .collect(Collectors.toList());
+        return photoService.updateInBatch(photosToUpdate).stream()
+            .map(photo -> (PhotoDTO) new PhotoDTO().convertFrom(photo))
+            .collect(Collectors.toList());
+    }
+
     @PutMapping("{photoId:\\d+}/likes")
     @ApiOperation("Likes a photo")
     @CacheLock(autoDelete = false, traceRequest = true)

src/main/java/run/halo/app/model/params/PhotoParam.java

@@ -15,6 +15,8 @@ import run.halo.app.model.entity.Photo;
 @Data
 public class PhotoParam implements InputConverter<Photo> {
 
+    private Integer id;
+
     @NotBlank(message = "照片名称不能为空")
     private String name;