chg: [metaTemplate:toggle] Enforce one default template per scope

src/Controller/Component/CRUDComponent.php

@@ -413,7 +413,11 @@ class CRUDComponent extends Component
 
         $data = $this->Table->get($id, $params);
         if ($this->request->is(['post', 'put'])) {
-            $data->{$fieldName} = !$data->{$fieldName};
+            if (isset($params['force_state'])) {
+                $data->{$fieldName} = $params['force_state'];
+            } else {
+                $data->{$fieldName} = !$data->{$fieldName};
+            }
             $savedData = $this->Table->save($data);
             if ($savedData !== false) {
                 $message = __('{0} field {1}. (ID: {2} {3})',

src/Controller/MetaTemplatesController.php

@@ -73,17 +73,17 @@ class MetaTemplatesController extends AppController
 
     public function toggle($id, $fieldName = 'enabled')
     {
-        $this->CRUD->toggle($id, $fieldName);
+        if ($this->request->is('POST') && $fieldName == 'is_default') {
+            $template = $this->MetaTemplates->get($id);
+            $this->MetaTemplates->removeDefaultFlag($template->scope);
+            $this->CRUD->toggle($id, $fieldName, ['force_state' => !$template->is_default]);
+        } else {
+            $this->CRUD->toggle($id, $fieldName);
+        }
         if ($this->ParamHandler->isRest()) {
             return $this->restResponsePayload;
         } else if($this->ParamHandler->isAjax() && $this->request->is(['post', 'put'])) {
             return $this->ajaxResponsePayload;
         }
     }
-
-    public function getDefaultTemplatePerScope($scope = '')
-    {
-        $defaultTemplate = $this->MetaTemplates->getDefaultTemplatePerScope($scope);
-        return $this->RestResponse->viewData($defaultTemplate, 'json');
-    }
 }

src/Model/Table/MetaTemplatesTable.php

@@ -82,6 +82,14 @@ class MetaTemplatesTable extends AppTable
         return $query->all()->toArray();
     }
 
+    public function removeDefaultFlag(String $scope)
+    {
+        $this->updateAll(
+            ['is_default' => false],
+            ['scope' => $scope]
+        );
+    }
+
     public function loadMetaFile(String $filePath)
     {
         if (file_exists($filePath)) {