/**
* Removes the elements / modules handled by the current installer.
* Use the reference param to add a human readable logging.
*
* @param string &$strReturn
*
* @return bool
*/
public function remove(&$strReturn)
{
//remove the workflow
if (class_module_system_module::getModuleByName("workflows") !== null) {
foreach (class_module_workflows_workflow::getWorkflowsForClass("class_workflow_ldap_sync") as $objOneWorkflow) {
if (!$objOneWorkflow->deleteObjectFromDatabase()) {
$strReturn .= "Error deleting workflow, aborting.\n";
return false;
}
}
$objHandler = class_module_workflows_handler::getHandlerByClass("class_workflow_ldap_sync");
if (!$objHandler->deleteObjectFromDatabase()) {
$strReturn .= "Error deleting workflow handler, aborting.\n";
return false;
}
}
//fetch associated users
foreach ($this->objDB->getPArray("SELECT * FROM " . _dbprefix_ . "user_ldap", array()) as $arrOneRow) {
$objOneUser = new class_module_user_user($arrOneRow["user_ldap_id"]);
echo "Deleting ldap user " . $objOneUser->getStrDisplayName() . "...\n";
$objOneUser->deleteObjectFromDatabase();
}
//fetch associated groups
foreach ($this->objDB->getPArray("SELECT * FROM " . _dbprefix_ . "user_group_ldap", array()) as $arrOneRow) {
$objOneUser = new class_module_user_group($arrOneRow["group_ldap_id"]);
echo "Deleting ldap group " . $objOneUser->getStrDisplayName() . "...\n";
$objOneUser->deleteObjectFromDatabase();
}
//delete the module-node
$strReturn .= "Deleting the module-registration...\n";
$objModule = class_module_system_module::getModuleByName($this->objMetadata->getStrTitle(), true);
if (!$objModule->deleteObjectFromDatabase()) {
$strReturn .= "Error deleting module, aborting.\n";
return false;
}
//delete the tables
foreach (array("user_group_ldap", "user_ldap") as $strOneTable) {
$strReturn .= "Dropping table " . $strOneTable . "...\n";
if (!$this->objDB->_pQuery("DROP TABLE " . $this->objDB->encloseTableName(_dbprefix_ . $strOneTable) . "", array())) {
$strReturn .= "Error deleting table, aborting.\n";
return false;
}
}
return true;
}
