/**
* Do any preparation needed before doing real data restore.
*
* @param string &$backup Path to folder containing extracted backup files.
* @param boolean $checkEdition Check for matching edition before restore?
*
* @return void
*/
protected function beforeRestore(&$backup, $checkEdition = true)
{
// Initialize variables
$com = preg_replace('/^com_/i', '', JFactory::getApplication()->input->getCmd('option'));
$info = JSNUtilsXml::loadManifestCache();
$jVer = new JVersion();
// Extract backup file
if (!JArchive::extract($backup, substr($backup, 0, -4))) {
throw new Exception(JText::_('JSN_EXTFW_DATA_EXTRACT_UPLOAD_FILE_FAIL'));
}
$backup = substr($backup, 0, -4);
// Auto-detect backup XML file
$files = glob("{$backup}/*.xml");
foreach ($files as $file) {
$this->data = JSNUtilsXml::load($file);
// Check if this XML file contain backup data for our product
if (strcasecmp($this->data->getName(), 'backup') == 0 and isset($this->data['extension-name']) and isset($this->data['extension-version']) and isset($this->data['joomla-version'])) {
// Store backup XML file name
$this->xml = basename($file);
// Simply break the loop if we found backup file
break;
}
unset($this->data);
}
if (isset($this->data)) {
// Check if Joomla series match
if (!$jVer->isCompatible((string) $this->data['joomla-version'])) {
throw new Exception(JText::_('JSN_EXTFW_DATA_JOOMLA_VERSION_NOT_MATCH'));
}
// Check if extension match
if ((string) $this->data['extension-name'] != 'JSN ' . preg_replace('/JSN\\s*/i', '', JText::_($info->name))) {
throw new Exception(JText::_('JSN_EXTFW_DATA_INVALID_PRODUCT'));
} elseif (isset($this->data['extension-edition']) and $checkEdition and (!($const = JSNUtilsText::getConstant('EDITION')) or (string) $this->data['extension-edition'] != $const)) {
throw new Exception(JText::_('JSN_EXTFW_DATA_INVALID_PRODUCT_EDITION'));
} elseif (!version_compare($info->version, (string) $this->data['extension-version'], '=') and !$checkEdition) {
// Get update link for out-of-date product
$ulink = $info->authorUrl;
if (isset($this->data['update-url'])) {
$ulink = (string) $this->data['update-url'];
} elseif ($const = JSNUtilsText::getConstant('UPDATE_LINK')) {
$ulink = $const;
}
throw new Exception(JText::_('JSN_EXTFW_DATA_PRODUCT_VERSION_OUTDATE') . ' <a href="' . $ulink . '" class="jsn-link-action">' . JText::_('JSN_EXTFW_GENERAL_UPDATE_NOW') . '</a>');
} elseif (!version_compare($info->version, (string) $this->data['extension-version'], 'ge')) {
// Get update link for out-of-date product
$ulink = $info->authorUrl;
if (isset($this->data['update-url'])) {
$ulink = (string) $this->data['update-url'];
} elseif ($const = JSNUtilsText::getConstant('UPDATE_LINK')) {
$ulink = $const;
}
throw new Exception(JText::_('JSN_EXTFW_DATA_PRODUCT_VERSION_OUTDATE') . ' <a href="' . $ulink . '" class="jsn-link-action">' . JText::_('JSN_EXTFW_GENERAL_UPDATE_NOW') . '</a>');
}
} else {
throw new Exception(JText::_('JSN_EXTFW_DATA_BACKUP_XML_NOT_FOUND'));
}
$dataForm = $this->getForm();
if (!empty($dataForm) && count($dataForm)) {
foreach ($dataForm as $formId) {
if (!empty($formId->form_id) && (int) $formId->form_id) {
$this->_db->setQuery("DROP TABLE IF EXISTS #__jsn_uniform_submissions_{$formId->form_id}");
$this->_db->execute();
}
}
}
if (JSNUniformHelper::checkTableSql('#__jsn_uniform_submissions') === false) {
JSNUniformHelper::createTableIfNotExistsSubmissions();
}
if (JSNUniformHelper::checkTableSql('#__jsn_uniform_submission_data') === false) {
JSNUniformHelper::createTableIfNotExistsSubmissionData();
}
}
