From a55b469ae4e5cac8546734dd413d8f639a0d221b Mon Sep 17 00:00:00 2001
From: ruibaby <i@ryanc.cc>
Date: Wed, 11 Dec 2019 23:14:12 +0800
Subject: [PATCH] feat: support remove in batch api for post.

---
 .../halo/app/controller/admin/api/PostController.java  |  9 ++++++---
 src/main/java/run/halo/app/model/entity/PostMeta.java  |  3 +++
 src/main/java/run/halo/app/service/PostService.java    | 10 ++++++++++
 .../run/halo/app/service/impl/PostServiceImpl.java     |  9 +++++++++
 4 files changed, 28 insertions(+), 3 deletions(-)

diff --git a/src/main/java/run/halo/app/controller/admin/api/PostController.java b/src/main/java/run/halo/app/controller/admin/api/PostController.java
index 80df340bd..f6904c4ec 100644
--- a/src/main/java/run/halo/app/controller/admin/api/PostController.java
+++ b/src/main/java/run/halo/app/controller/admin/api/PostController.java
@@ -1,7 +1,6 @@
 package run.halo.app.controller.admin.api;
 
 import cn.hutool.core.util.IdUtil;
-import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
@@ -17,7 +16,6 @@ import run.halo.app.model.params.PostContentParam;
 import run.halo.app.model.params.PostParam;
 import run.halo.app.model.params.PostQuery;
 import run.halo.app.model.vo.PostDetailVO;
-import run.halo.app.model.vo.PostListVO;
 import run.halo.app.service.OptionService;
 import run.halo.app.service.PostService;
 
@@ -140,10 +138,15 @@ public class PostController {
 
     @DeleteMapping("{postId:\\d+}")
     public void deletePermanently(@PathVariable("postId") Integer postId) {
-        // Remove it
         postService.removeById(postId);
     }
 
+    @DeleteMapping
+    @ApiOperation("Delete posts permanently in batch by id array")
+    public List<Post> deletePermanentlyInBatch(@RequestBody List<Integer> ids) {
+        return postService.removeByIds(ids);
+    }
+
     @GetMapping(value = {"preview/{postId:\\d+}", "{postId:\\d+}/preview"})
     @ApiOperation("Get preview link")
     public String preview(@PathVariable("postId") Integer postId) {
diff --git a/src/main/java/run/halo/app/model/entity/PostMeta.java b/src/main/java/run/halo/app/model/entity/PostMeta.java
index de0ba59c6..edd7bd0df 100644
--- a/src/main/java/run/halo/app/model/entity/PostMeta.java
+++ b/src/main/java/run/halo/app/model/entity/PostMeta.java
@@ -1,5 +1,7 @@
 package run.halo.app.model.entity;
 
+import lombok.EqualsAndHashCode;
+
 import javax.persistence.DiscriminatorValue;
 import javax.persistence.Entity;
 
@@ -12,5 +14,6 @@ import javax.persistence.Entity;
  */
 @Entity(name = "PostMeta")
 @DiscriminatorValue("0")
+@EqualsAndHashCode(callSuper = true)
 public class PostMeta extends BaseMeta {
 }
diff --git a/src/main/java/run/halo/app/service/PostService.java b/src/main/java/run/halo/app/service/PostService.java
index dc0795920..ee2e08b7e 100755
--- a/src/main/java/run/halo/app/service/PostService.java
+++ b/src/main/java/run/halo/app/service/PostService.java
@@ -13,6 +13,7 @@ import run.halo.app.model.vo.PostDetailVO;
 import run.halo.app.model.vo.PostListVO;
 import run.halo.app.service.base.BasePostService;
 
+import java.util.Collection;
 import java.util.List;
 import java.util.Set;
 
@@ -94,6 +95,15 @@ public interface PostService extends BasePostService<Post> {
     @Override
     Post getBy(@NonNull PostStatus status, @NonNull String url);
 
+    /**
+     * Removes posts in batch.
+     *
+     * @param ids ids must not be null.
+     * @return a list of deleted post.
+     */
+    @NonNull
+    List<Post> removeByIds(@NonNull Collection<Integer> ids);
+
     /**
      * Lists year archives.
      *
diff --git a/src/main/java/run/halo/app/service/impl/PostServiceImpl.java b/src/main/java/run/halo/app/service/impl/PostServiceImpl.java
index 09c1f5003..373f93699 100644
--- a/src/main/java/run/halo/app/service/impl/PostServiceImpl.java
+++ b/src/main/java/run/halo/app/service/impl/PostServiceImpl.java
@@ -15,6 +15,7 @@ import org.springframework.lang.Nullable;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 import org.springframework.util.Assert;
+import org.springframework.util.CollectionUtils;
 import run.halo.app.event.logger.LogEvent;
 import run.halo.app.event.post.PostVisitEvent;
 import run.halo.app.model.dto.BaseMetaDTO;
@@ -159,6 +160,14 @@ public class PostServiceImpl extends BasePostServiceImpl<Post> implements PostSe
         return post;
     }
 
+    @Override
+    public List<Post> removeByIds(Collection<Integer> ids) {
+        if (CollectionUtils.isEmpty(ids)) {
+            return Collections.emptyList();
+        }
+        return ids.stream().map(this::removeById).collect(Collectors.toList());
+    }
+
     @Override
     public Post getByUrl(String url) {
         Post post = super.getByUrl(url);