取消关系

application/api/controller/Relation.php

@@ -42,6 +42,13 @@ class Relation extends Api
                     unset($info['to_avatar']);
                     unset($info['to_nickname']);
                 }
+
+                //是否能取消
+                $info['can_cancel'] = 0;
+                if($info['uid'] == $this->auth->id || $info['to_uid'] == $this->auth->id){
+                    $info['can_cancel'] = 1;
+                }
+
                 $val['info'] = $info;
             }
         }
@@ -197,4 +204,41 @@ class Relation extends Api
         //
         $this->success($remark);
     }
+
+    //取消
+    public function cancel(){
+        $id = input('id',0);
+        $relation_id = input('relation_id',0);
+
+        $where = [
+            'id' => $id,
+            'relation_id' => $relation_id
+        ];
+        $where2 = 'uid = '.$this->auth->id.' or to_uid = '.$this->auth->id;
+        $info = Db::name('user_relation')->where($where)->where($where2)->find();
+
+        if(empty($info)){
+            $this->error('不存在的关系');
+        }
+
+        Db::name('user_relation')->where($where)->delete();
+
+        //给发起方一条消息
+        $relation_name = Db::name('relation')->where('id',$relation_id)->value('name');
+        $message = [
+            'user_id' => ($info['uid'] == $this->auth->id) ? $info['to_uid'] : $info['uid'],
+            'title'   => '关系取消',
+            'content' => $this->auth->nickname.'已取消和你的'.$relation_name.'关系',
+            'createtime' => time(),
+            'status' => 0,
+            'infotype' => '',//建立关系
+            'infotype_id' => 0,
+        ];
+        Db::name('message')->insertGetId($message);
+
+        //
+        $this->success('关系已取消');
+
+
+    }
 }