Add api: delete attachments permanently in batch

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

@@ -7,6 +7,7 @@ import org.springframework.data.web.PageableDefault;
 import org.springframework.http.MediaType;
 import org.springframework.web.bind.annotation.*;
 import org.springframework.web.multipart.MultipartFile;
+import run.halo.app.cache.lock.CacheLock;
 import run.halo.app.model.dto.AttachmentDTO;
 import run.halo.app.model.entity.Attachment;
 import run.halo.app.model.params.AttachmentParam;
@@ -75,11 +76,17 @@ public class AttachmentController {
      * @param id id
      */
     @DeleteMapping("{id:\\d+}")
-    @ApiOperation("Delete attachment by id")
+    @ApiOperation("Delete attachment permanently by id")
     public AttachmentDTO deletePermanently(@PathVariable("id") Integer id) {
         return attachmentService.convertToDto(attachmentService.removePermanently(id));
     }
 
+    @DeleteMapping
+    @ApiOperation("Delete attachments permanently in batch by id array")
+    public List<Attachment> deletePermanentlyInBatch(@RequestBody List<Integer> ids) {
+        return attachmentService.removePermanently(ids);
+    }
+
     @PostMapping("upload")
     @ApiOperation("Uploads single file")
     public AttachmentDTO uploadAttachment(@RequestPart("file") MultipartFile file) {

src/main/java/run/halo/app/service/AttachmentService.java

@@ -10,6 +10,7 @@ import run.halo.app.model.entity.Attachment;
 import run.halo.app.model.params.AttachmentQuery;
 import run.halo.app.service.base.CrudService;
 
+import java.util.Collection;
 import java.util.List;
 
 
@@ -49,6 +50,15 @@ public interface AttachmentService extends CrudService<Attachment, Integer> {
     @NonNull
     Attachment removePermanently(@NonNull Integer id);
 
+    /**
+     * Removes attachment permanently in batch.
+     *
+     * @param ids attachment ids must not be null
+     * @return attachment detail list deleted
+     */
+    @NonNull
+    List<Attachment> removePermanently(@NonNull Collection<Integer> ids);
+
     /**
      * Converts to attachment output dto.
      *

src/main/java/run/halo/app/service/impl/AttachmentServiceImpl.java

@@ -6,8 +6,10 @@ import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
 import org.springframework.data.jpa.domain.Specification;
 import org.springframework.lang.NonNull;
+import org.springframework.lang.Nullable;
 import org.springframework.stereotype.Service;
 import org.springframework.util.Assert;
+import org.springframework.util.CollectionUtils;
 import org.springframework.web.multipart.MultipartFile;
 import run.halo.app.exception.AlreadyExistsException;
 import run.halo.app.handler.file.FileHandlers;
@@ -22,11 +24,11 @@ import run.halo.app.service.AttachmentService;
 import run.halo.app.service.OptionService;
 import run.halo.app.service.base.AbstractCrudService;
 import run.halo.app.utils.HaloUtils;
+import run.halo.app.utils.ServiceUtils;
 
 import javax.persistence.criteria.Predicate;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.Objects;
+import java.util.*;
+import java.util.stream.Collectors;
 
 /**
  * AttachmentService implementation
@@ -140,6 +142,15 @@ public class AttachmentServiceImpl extends AbstractCrudService<Attachment, Integ
         return deletedAttachment;
     }
 
+    @Override
+    public List<Attachment> removePermanently(@Nullable Collection<Integer> ids) {
+        if (CollectionUtils.isEmpty(ids)) {
+            return Collections.emptyList();
+        }
+
+        return ids.stream().map(this::removePermanently).collect(Collectors.toList());
+    }
+
     @Override
     public AttachmentDTO convertToDto(Attachment attachment) {
         Assert.notNull(attachment, "Attachment must not be null");