[MI-100] Check connection status before loading the grid

src/app/code/community/Zendesk/Zendesk/Block/Adminhtml/Dashboard.php

@@ -31,11 +31,6 @@ public function getAuthHeader() {
         return 'Token token="' . Mage::helper('zendesk')->getApiToken(false) . '"';
     }
 
-    public function isConnected() {
-        $connection = Mage::helper('zendesk')->getConnectionStatus();
-        return $connection['success'];
-    }
-
     public function getTotals() {
         return Mage::helper("zendesk")->getTicketTotals();
     }

src/app/code/community/Zendesk/Zendesk/Block/Adminhtml/Dashboard/Grids.php

@@ -29,7 +29,7 @@ public function __construct() {
     protected function _prepareLayout() {
         // Check if we are on the main admin dashboard and, if so, whether we should be showing the grid
         // Note: an additional check in the template is needed, but this will prevent unnecessary API calls to Zendesk
-        if ( !$this->getIsZendeskDashboard() && !Mage::getStoreConfig('zendesk/backend_features/show_on_dashboard') )
+        if ( !Mage::helper('zendesk')->isConnected() || (!$this->getIsZendeskDashboard() && !Mage::getStoreConfig('zendesk/backend_features/show_on_dashboard')) )
         {
             return parent::_prepareLayout();
         }

src/app/code/community/Zendesk/Zendesk/Helper/Data.php

@@ -391,7 +391,17 @@ public function getConnectionStatus() {
             );
         }
     }
-
+
+    /**
+     * Checks if the current connection details are valid.
+     *
+     * @return boolean
+     */
+    public function isConnected() {
+        $connection = $this->getConnectionStatus();
+        return $connection['success'];
+    }
+
     public function storeDependenciesInCachedRegistry() {
         $cache = Mage::app()->getCache();
 

src/app/code/community/Zendesk/Zendesk/controllers/Adminhtml/ZendeskController.php

@@ -252,11 +252,12 @@ public function createAction()
 
     public function launchAction()
     {
-        $domain = $this->_domainConfigured();
-        if (!$domain) {
+        if (!$this->_domainConfigured()) {
             return;
         }
 
+        $domain = Mage::getStoreConfig('zendesk/general/domain');
+
         $sso = Mage::getStoreConfig('zendesk/sso/enabled');
 
         if (!$sso) {
@@ -749,13 +750,12 @@ protected function getMassActionResponse($response, $ids, $message = '%d out of
 
     private function _domainConfigured()
     {
-        $domain = Mage::getStoreConfig('zendesk/general/domain');
-        if(!$domain) {
-            Mage::getSingleton('adminhtml/session')->addError(Mage::helper('zendesk')->__('Please set up Zendesk connection.'));
+        if (!Mage::helper('zendesk')->isConnected()) {
+            Mage::getSingleton('adminhtml/session')->addError(Mage::helper('zendesk')->__('Please set up a Zendesk connection.'));
             $this->_redirect('adminhtml/dashboard');
             return false;
         } else {
-            return $domain;
+            return true;
         }
     }
 

src/app/design/adminhtml/default/default/template/zendesk/dashboard/index.phtml

@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 ?>
-<?php if( $this->isConnected() ): ?>
+<?php if( Mage::helper('zendesk')->isConnected() ): ?>
     <?php if ($this->getIsZendeskDashboard() || Mage::getStoreConfig('zendesk/backend_features/show_on_dashboard')): ?>
         <?php if ($this->getIsZendeskDashboard()): ?>
             <div class="content-header">