单项删除接口优化2

app/enterprise/controller/Im.php

@@ -517,25 +517,36 @@ class Im extends BaseController
                     . " and (find_in_set('{$this->uid}', del_user) = 0 or del_user is null)";
                 Message::where($where)->order('msg_id desc')->limit(1)->update(['is_last'=>1]);
             }
-            if ($message['is_group'] == 1) {
-                if ($message['del_user']) {
-                    $message->del_user .= ',' . $this->userInfo['user_id'];
-                } else {
-                    $message->del_user = $this->userInfo['user_id'];
+            if ($this->globalConfig['chatInfo']['dbDelMsg']) {
+                if($message['from_user']!=$this->userInfo['user_id']){
+                    return warning(lang('system.notAuth'));
                 }
+                $is_group = $message['is_group'];
+                $toContactId = explode('-', $message['chat_identify'])[1];
+                wsSendMsg($toContactId, 'delMessage', $message, $is_group);
+                $message->delete();
+                return success(lang('system.delOk'));
             } else {
-                if ($message['del_user']) {
-                    $is_group = $message['is_group'];
-                    $toContactId = explode('-', $message['chat_identify'])[1];
-                    wsSendMsg($toContactId, 'delMessage', $message, $is_group);
-                    $message->delete();
-                    return success(lang('system.delOk'));
+                if ($message['is_group'] == 1) {
+                    if ($message['del_user']) {
+                        $message->del_user .= ',' . $this->userInfo['user_id'];
+                    } else {
+                        $message->del_user = $this->userInfo['user_id'];
+                    }
                 } else {
-                    $message->del_user = $this->userInfo['user_id'];
+                    if ($message['del_user']) {
+                        $is_group = $message['is_group'];
+                        $toContactId = explode('-', $message['chat_identify'])[1];
+                        wsSendMsg($toContactId, 'delMessage', $message, $is_group);
+                        $message->delete();
+                        return success(lang('system.delOk'));
+                    } else {
+                        $message->del_user = $this->userInfo['user_id'];
+                    }
                 }
+                $message->save();
+                wsSendMsg($this->userInfo['user_id'], 'delMessage', $message, $message['is_group']);
             }
-            $message->save();
-            wsSendMsg($this->userInfo['user_id'], 'delMessage', $message, $message['is_group']);
             return success('');
         } else {
             return warning('');