/**
* Try to uninstall Akeeba Strapper
*
* @param JInstallerAdapterPackage $parent
*/
private function uninstallStrapper($parent)
{
$tmpInstaller = new JInstaller();
$db = $parent->getParent()->getDbo();
$query = $db->getQuery(true)->select('extension_id')->from('#__extensions')->where('type = ' . $db->quote('file'))->where('element = ' . $db->quote('file_strapper30'));
$db->setQuery($query);
$id = $db->loadResult();
if (!$id) {
return;
}
try {
$tmpInstaller->uninstall('file', $id, 0);
} catch (\Exception $e) {
// We can expect the uninstallation to fail if there are other extensions depending on the Akeeba Strapper
// package.
}
}
/**
* Try to uninstall the FOF library. We don't go through the Joomla! package uninstallation since we can expect the
* uninstallation of the FOF library to fail if other software depends on it.
*
* @param JInstallerAdapterPackage $parent
*/
private function uninstallFOF($parent)
{
// Check dependencies on FOF
$dependencyCount = count($this->getDependencies('fof30'));
if ($dependencyCount) {
$msg = "<p>You have {$dependencyCount} extension(s) depending on this version of FOF. The package cannot be uninstalled unless these extensions are uninstalled first.</p>";
JLog::add($msg, JLog::WARNING, 'jerror');
return;
}
$tmpInstaller = new JInstaller();
$db = $parent->getParent()->getDbo();
$query = $db->getQuery(true)->select('extension_id')->from('#__extensions')->where('type = ' . $db->quote('library'))->where('element = ' . $db->quote('lib_fof30'));
$db->setQuery($query);
$id = $db->loadResult();
if (!$id) {
return;
}
try {
$tmpInstaller->uninstall('library', $id, 0);
} catch (\Exception $e) {
// We can expect the uninstallation to fail if there are other extensions depending on the FOF library.
}
}