Throwing warning "require_once failed to open stream no such file or directory" in Google Sync

pkg/vtiger/modules/Google/modules/Google/handlers/Vtiger.php

+<?php
+/*+***********************************************************************************
+ * The contents of this file are subject to the vtiger CRM Public License Version 1.0
+ * ("License"); You may not use this file except in compliance with the License
+ * The Original Code is:  vtiger CRM Open Source
+ * The Initial Developer of the Original Code is vtiger.
+ * Portions created by vtiger are Copyright (C) vtiger.
+ * All Rights Reserved.
+ *************************************************************************************/
+vimport('~~/modules/WSAPP/Handlers/vtigerCRMHandler.php');
+vimport('~~/include/Webservices/Utils.php');
+class Google_Vtiger_Handler extends vtigerCRMHandler {
+	public function put($recordDetails, $user) {
+        global $current_user;
+        $current_user = $user;
+        $this->user = $user;
+        $recordDetails = $this->syncToNativeFormat($recordDetails);
+        $createdRecords = $recordDetails['created'];
+        $updatedRecords = $recordDetails['updated'];
+        $deletedRecords = $recordDetails['deleted'];
+
+        if (count($createdRecords) > 0) {
+            $createdRecords = $this->translateReferenceFieldNamesToIds($createdRecords, $user);
+            $createdRecords = $this->fillNonExistingMandatoryPicklistValues($createdRecords);
+            $createdRecords = $this->fillMandatoryFields($createdRecords, $user);
+        }
+        foreach ($createdRecords as $index => $record) {
+			try {
+				$createdRecords[$index] = vtws_create($record['module'], $record, $this->user);
+			} catch (Exception $ex) {
+				unset($createdRecords[$index]);
+				continue;
+			}
+        }
+
+        if (count($updatedRecords) > 0) {
+            $updatedRecords = $this->translateReferenceFieldNamesToIds($updatedRecords, $user);
+        }
+
+        $crmIds = array();
+        foreach ($updatedRecords as $index => $record) {
+            $webserviceRecordId = $record["id"];
+            $recordIdComp = vtws_getIdComponents($webserviceRecordId);
+            $crmIds[] = $recordIdComp[1];
+        }
+        $assignedRecordIds = array();
+        if ($this->isClientUserSyncType()|| $this->isClientUserAndGroupSyncType()) {
+            $assignedRecordIds = wsapp_checkIfRecordsAssignToUser($crmIds, $this->user->id);
+			// To check if the record assigned to group
+            if($this->isClientUserAndGroupSyncType()){                
+                $groupIds = $this->getGroupIds($this->user->id);
+                foreach ($groupIds as $group) {
+                    $groupRecordId = wsapp_checkIfRecordsAssignToUser($crmIds, $group);
+                    $assignedRecordIds = array_merge($assignedRecordIds, $groupRecordId);
+                }
+            }
+			//  End
+        }
+        foreach ($updatedRecords as $index => $record) {
+            $webserviceRecordId = $record["id"];
+			//While Updating Vtiger Record, should not update these values for event
+			if($record['module'] == 'Events') {
+				unset($record['eventstatus']);
+				unset($record['activitytype']);
+				unset($record['duration_hours']);
+			}
+            $recordIdComp = vtws_getIdComponents($webserviceRecordId);
+            try {
+                if (in_array($recordIdComp[1], $assignedRecordIds)) {
+                    $updatedRecords[$index] = vtws_revise($record, $this->user);
+                } else if (!$this->isClientUserSyncType()) {
+                    $updatedRecords[$index] = vtws_revise($record, $this->user);
+                } else {
+                    $this->assignToChangedRecords[$index] = $record;
+                }
+            } catch (Exception $e) {
+				unset($updatedRecords[$index]);
+                continue;
+            }
+        }
+        $hasDeleteAccess = null;
+        $deletedCrmIds = array();
+        foreach ($deletedRecords as $index => $record) {
+            $webserviceRecordId = $record;
+            $recordIdComp = vtws_getIdComponents($webserviceRecordId);
+            $deletedCrmIds[] = $recordIdComp[1];
+        }
+        $assignedDeletedRecordIds = wsapp_checkIfRecordsAssignToUser($deletedCrmIds, $this->user->id);
+        
+        // To get record id's assigned to group of the current user
+        if($this->isClientUserAndGroupSyncType()){
+           foreach ($groupIds as $group) {
+                   $groupRecordId = wsapp_checkIfRecordsAssignToUser($deletedCrmIds, $group);
+                   $assignedDeletedRecordIds = array_merge($assignedDeletedRecordIds, $groupRecordId);
+           }
+        }
+        // End
+        
+        foreach ($deletedRecords as $index => $record) {
+            $idComp = vtws_getIdComponents($record);
+            if (empty($hasDeleteAccess)) {
+                $handler = vtws_getModuleHandlerFromId($idComp[0], $this->user);
+                $meta = $handler->getMeta();
+                $hasDeleteAccess = $meta->hasDeleteAccess();
+            }
+            if ($hasDeleteAccess) {
+                if (in_array($idComp[1], $assignedDeletedRecordIds)) {
+                    try {
+                        vtws_delete($record, $this->user);
+                    } catch (Exception $e) {
+						unset($deletedRecords[$index]);
+                        continue;
+                    }
+                }
+            }
+        }
+
+        $recordDetails['created'] = $createdRecords;
+        $recordDetails['updated'] = $updatedRecords;
+        $recordDetails['deleted'] = $deletedRecords;
+        return $this->nativeToSyncFormat($recordDetails);
+    }
+}

pkg/vtiger/modules/Google/modules/Google/handlers/VtigerSync.php

+<?php
+/*+***********************************************************************************
+ * The contents of this file are subject to the vtiger CRM Public License Version 1.0
+ * ("License"); You may not use this file except in compliance with the License
+ * The Original Code is:  vtiger CRM Open Source
+ * The Initial Developer of the Original Code is vtiger.
+ * Portions created by vtiger are Copyright (C) vtiger.
+ * All Rights Reserved.
+ *************************************************************************************/
+vimport('~~/modules/WSAPP/synclib/handlers/VtigerSyncEventHandler.php');
+class Google_VtigerSync_Handler extends WSAPP_VtigerSyncEventHandler {
+	public function getSyncServerInstance(){
+		return new Google_SyncServer_Controller();
+	}
+}

pkg/vtiger/modules/Google/modules/Google/views/List.php

@@ -51,7 +51,7 @@ class Google_List_View extends Vtiger_PopupAjax_View {
         $oauth2 = new Google_Oauth2_Connector($sourceModule); 
         if ($request->has('oauth_verifier')) {
             try {
-                $oauth->getHttpClient($sourceModule);
+                $oauth2->getHttpClient($sourceModule);
             } catch (Exception $e) {
                 $viewer->assign('DENY', true);
             }