ms client update

kernel/services/ModuleService.php

@@ -411,4 +411,27 @@ class ModuleService
         return $dependence_array;
     }
 
+    public function isInstall(string $slug): bool
+    {
+        $module_paths = Option::where("key", "module_paths")->first();
+        $dirs = [];
+        if ($module_paths){
+            $path = json_decode($module_paths->value);
+            foreach ($path->paths as $p){
+                $dirs[] = getConst($p);
+            }
+        }
+
+        foreach ($dirs as $dir){
+            foreach (new DirectoryIterator($dir) as $fileInfo) {
+                if($fileInfo->isDot()) continue;
+                if ($this->getModuleInfo($fileInfo->getPathname())['slug'] === $slug) {
+                    return true;
+                };
+            }
+        }
+
+        return false;
+    }
+
 }