Merge pull request #70 from alfa6661/features/has-scopes

[4.0] Added hasScopes method.

Author: yajra

src/Services/DataTable.php

@@ -570,6 +570,23 @@ protected function applyScopes($query)
         return $query;
     }
 
+    /**
+     * Determine if the DataTable has scopes.
+     *
+     * @param  array $scopes
+     * @param  bool $validateAll
+     * @return bool
+     */
+    protected function hasScopes(array $scopes, $validateAll = false)
+    {
+        $filteredScopes = array_filter($this->scopes, function ($scope) use ($scopes) {
+            return in_array(get_class($scope), $scopes);
+        });
+
+        return $validateAll ? count($filteredScopes) === count($scopes) :
+            ! empty($filteredScopes);
+    }
+
     /**
      * Get default builder parameters.
      *