删除评论，联动删：评论点赞，评论内多个回复，多个回复的点赞，动态的评论数

application/api/controller/Topicdongtai.php

@@ -672,6 +672,35 @@ class Topicdongtai extends Api
         }
     }
 
+    //动态是否收藏
+    private function is_collect($dt_id,$uid){
+        $where = [
+            'user_id'  => $uid,
+            'table'    => 'topic_dongtai',
+            'table_id' => $dt_id,
+        ];
+        $check = Db::name('user_collect')->where($where)->find();
+        if($check){
+            return 1;
+        }else{
+            return 0;
+        }
+    }
+
+    //用户是否拉黑
+    private function is_balck($uid,$black_uid){
+        $where = [
+            'uid'       => $uid,
+            'black_uid' => $black_uid,
+        ];
+        $check = Db::name('user_black')->where($where)->find();
+        if($check){
+            return 1;
+        }else{
+            return 0;
+        }
+    }
+
 
     //我的评论
     public function my_answer(){
@@ -709,7 +738,32 @@ class Topicdongtai extends Api
     //删除我的某个评论
     public function delete_answer(){
         $id = input('id',0);
-        Db::name('topic_dongtai_answer')->where('id',$id)->where('user_id',$this->auth->id)->delete();
+        if(!$id){
+            $this->error();
+        }
+
+        Db::startTrans();
+        $info = Db::name('topic_dongtai_answer')->where('id',$id)->where('user_id',$this->auth->id)->find();
+        if(!$info){
+            $this->error('不存在的动态评论');
+        }
+
+        if($info['level'] == 1){
+            Db::name('topic_dongtai')->where('id',$info['dt_id'])->setDec('answernum');//回复数减1
+
+            //楼层内都删
+            $louceng_id = Db::name('topic_dongtai_answer')->where('dt_id',$info['dt_id'])->where('level',2)->where('floor',$info['floor'])->column('id');
+            if(!empty($louceng_id)){
+                Db::name('topic_dongtai_answer')->where('id','IN',$louceng_id)->delete();//评论删掉
+                Db::name('topic_answer_good')->where('answer_id','IN',$louceng_id)->delete();//评论点赞删掉
+            }
+
+        }
+
+        Db::name('topic_dongtai_answer')->where('id',$id)->delete();  //评论删掉
+        Db::name('topic_answer_good')->where('answer_id',$id)->delete();//评论点赞删掉
+
+        Db::commit();
 
         $this->success();
     }

application/api/controller/Usercenter.php

@@ -98,8 +98,8 @@ class Usercenter extends Api
         //是否喜欢和关注
         $userinfo['is_follow'] = $this->is_follow($this->auth->id,$uid);
 
-        $is_like   = Db::name('user_like')->where(['uid'=>$this->auth->id,'like_uid'=>$uid])->find();
-        $userinfo['is_like'] = $is_like ? 1 : 0;
+//        $is_like   = Db::name('user_like')->where(['uid'=>$this->auth->id,'like_uid'=>$uid])->find();
+//        $userinfo['is_like'] = $is_like ? 1 : 0;
 
         //是否拉黑
         $is_black = Db::name('user_black')->where(['uid'=>$this->auth->id,'black_uid'=>$uid])->find();
@@ -150,8 +150,8 @@ class Usercenter extends Api
         //是否喜欢和关注
         $userinfo['is_follow'] = $this->is_follow($this->auth->id,$uid);
 
-        $is_like   = Db::name('user_like')->where(['uid'=>$this->auth->id,'like_uid'=>$uid])->find();
-        $userinfo['is_like'] = $is_like ? 1 : 0;
+//        $is_like   = Db::name('user_like')->where(['uid'=>$this->auth->id,'like_uid'=>$uid])->find();
+//        $userinfo['is_like'] = $is_like ? 1 : 0;
 
         //是否拉黑
         $is_black = Db::name('user_black')->where(['uid'=>$this->auth->id,'black_uid'=>$uid])->find();