/** * 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; }