function preflight($type, $parent)
{
// Do not install if Kunena doesn't exist
if (!class_exists('Kunena') || version_compare(Kunena::version(), '1.7', '<')) {
echo sprintf('Kunena %s has not been installed, aborting!', '1.7');
return false;
}
if (Kunena::isSvn()) {
echo sprintf('You have installed Kunena from GitHub, aborting!');
return false;
}
return true;
}
protected function checkKunena($version)
{
$app = JFactory::getApplication();
// Always load Kunena API if it exists.
$api = JPATH_ADMINISTRATOR . '/components/com_kunena/api.php';
if (file_exists($api)) {
require_once $api;
}
// Do not install over Git repository (K1.6+).
if (class_exists('Kunena') && method_exists('Kunena', 'isSvn') && Kunena::isSvn() || class_exists('KunenaForum') && method_exists('KunenaForum', 'isDev') && KunenaForum::isDev()) {
$app->enqueueMessage('Oops! You should not install Kunena over your Git reporitory!', 'notice');
return false;
}
$db = JFactory::getDBO();
// Check if Kunena can be found from the database
$table = $db->getPrefix() . 'kunena_version';
$db->setQuery("SHOW TABLES LIKE {$db->quote($table)}");
if ($db->loadResult() != $table) {
return true;
}
// Get installed Kunena version
$db->setQuery("SELECT version FROM {$db->quoteName($table)} ORDER BY `id` DESC", 0, 1);
$installed = $db->loadResult();
if (!$installed) {
return true;
}
// Always allow upgrade to the newer version
if (version_compare($version, $installed, '>=')) {
return true;
}
// Check if we can downgrade to the current version
if (class_exists('KunenaInstaller')) {
if (KunenaInstaller::canDowngrade($version)) {
return true;
}
} else {
// Workaround when Kunena files were removed to allow downgrade between bugfix versions.
$major = preg_replace('/(\\d+.\\d+)\\..*$/', '\\1', $version);
if (version_compare($installed, $major, '>')) {
return true;
}
}
$app->enqueueMessage(sprintf('Sorry, it is not possible to downgrade Kunena %s to version %s.', $installed, $version), 'notice');
return false;
}
/**
* Wrapper to addScript
*
*/
function addScript($filename)
{
$document =& JFactory::getDocument();
$kunena_config = KunenaFactory::getConfig();
if ($kunena_config->debug || Kunena::isSvn()) {
// If we are in debug more, make sure we load the unpacked css
$filename = preg_replace('/\\-min\\./u', '.', $filename);
}
return $document->addScript($filename);
}
<div class="icon"> <a href="<?php
echo JURI::base();
?>
index.php?option=com_kunena&task=showsystemreport" title="<?php
echo JText::_('COM_KUNENA_REPORT_SYSTEM');
?>
"> <img src="<?php
echo JURI::base();
?>
components/com_kunena/images/report_conf.png" align="middle" border="0" alt="" /> <span> <?php
echo JText::_('COM_KUNENA_REPORT_SYSTEM');
?>
</span></a> </div>
</div>
<?php
if (Kunena::isSvn()) {
?>
<div class="icon-container">
<div class="icon"> <a href="<?php
echo JURI::base();
?>
index.php?option=com_kunena&view=install" title="<?php
echo JText::_('COM_KUNENA_SVN_INSTALL');
?>
"> <img src="<?php
echo JURI::base();
?>
components/com_kunena/images/install.png" align="middle" border="0" alt="" /> <span> <?php
echo JText::_('COM_KUNENA_SVN_INSTALL');
?>
</span></a> </div>
function displaySchemaDiff()
{
require_once KPATH_ADMIN . '/install/schema.php';
$schema = new KunenaModelSchema();
$diff = $schema->getDiffSchema();
$sql = $schema->getSchemaSQL($diff);
echo '<textarea cols="80" rows="20">';
echo $this->escape($diff->saveXML());
echo '</textarea>';
if (Kunena::isSvn()) {
echo '<textarea cols="80" rows="20">';
foreach ($sql as $item) {
echo $this->escape($item['sql']) . "\n\n";
}
echo '</textarea>';
}
}
function uninstall()
{
JRequest::checkToken('get') or die('Invalid Token');
$this->model->setAction('uninstall');
$this->model->deleteTables('kunena_');
$this->model->deleteMenu();
$app = JFactory::getApplication();
$app->enqueueMessage(JText::_('COM_KUNENA_INSTALL_REMOVED'));
if (!Kunena::isSvn()) {
jimport('joomla.filesystem.folder');
JFolder::delete(KPATH_MEDIA);
jimport('joomla.installer.installer');
$installer = new JInstaller();
jimport('joomla.application.component.helper');
$component = JComponentHelper::getComponent('com_kunena');
$installer->uninstall('component', $component->id);
$this->setRedirect('index.php?option=com_installer');
} else {
$this->setRedirect('index.php?option=com_kunena&view=install');
}
}
