代码优化

@@ -185,16 +185,11 @@ class Index extends Api
         // 哪些人及其下级可查看
         if($this->auth->id){
             $parentsIds = Tree::instance()->init(collection(User::select())->toArray())->getParentsIds($this->auth->id, true);
-            if($parentsIds){
-                foreach ($parentsIds as $pid){
-                    $findinset[] = "find_in_set({$pid},user_ids)";
-                }
-                $where .= $where ? ' and ' : '';
-                $where .= "(".implode(' or ',$findinset)." or user_ids = '')";
-            }else{
-            	// 未设置哪些人及其下级可查看，默认所有人可以查看
-            	$where .= " or user_ids = ''";
+            foreach ($parentsIds as $pid){
+                $findinset[] = "find_in_set({$pid},user_ids)";
             }
+            $where .= $where ? ' and ' : '';
+            $where .= "(".implode(' or ',$findinset)." or user_ids = '')";
         }
         // 附近
         $distance = '1';
@@ -302,16 +297,11 @@ class Index extends Api
         // 哪些人及其下级可查看
         if($this->auth->id){
             $parentsIds = Tree::instance()->init(collection(User::select())->toArray())->getParentsIds($this->auth->id, true);
-            if($parentsIds){
-                foreach ($parentsIds as $pid){
-                    $findinset[] = "find_in_set({$pid},j.user_ids)";
-                }
-                $where .= $where ? ' and ' : '';
-                $where .= "(".implode(' or ',$findinset)." or user_ids = '')";
-            }else{
-            	// 未设置哪些人及其下级可查看，默认所有人可以查看
-            	$where .= " or user_ids = ''";
+            foreach ($parentsIds as $pid){
+                $findinset[] = "find_in_set({$pid},user_ids)";
             }
+            $where .= $where ? ' and ' : '';
+            $where .= "(".implode(' or ',$findinset)." or user_ids = '')";
         }
         
         $data = Job::alias('j')