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<?php
class PermissionDbUpdate {
/**
* Insert all user/role combinations into the user_x_role table.
*
* @param array $users userids
* @param array $roles roleids
*/
public static function addRoleToUser($users, $roles) {
$query = "INSERT IGNORE INTO user_x_role (userid, roleid) VALUES (:userid, :roleid)";
foreach($users AS $userid) {
foreach ($roles AS $roleid) {
Database::exec($query, array("userid" => $userid, "roleid" => $roleid));
}
}
}
/**
* Remove all user/role combinations from the user_x_role table.
*
* @param array $users userids
* @param array $roles roleids
*/
public static function removeRoleFromUser($users, $roles) {
$query = "DELETE FROM user_x_role WHERE userid IN (:users) AND roleid IN (:roles)";
Database::exec($query, array("users" => $users, "roles" => $roles));
}
/**
* Delete role from the role table.
*
* @param string $roleid roleid
*/
public static function deleteRole($roleid) {
Database::exec("DELETE FROM role WHERE roleid = :roleid", array("roleid" => $roleid));
}
/**
* Save changes to a role or create a new one.
*
* @param string $rolename rolename
* @param array $locations array of locations
* @param array $permissions array of permissions
* @param string|null $roleid roleid or null if the role does not exist yet
*/
public static function saveRole($rolename, $locations, $permissions, $roleid = NULL) {
if ($roleid) {
Database::exec("UPDATE role SET rolename = :rolename WHERE roleid = :roleid",
array("rolename" => $rolename, "roleid" => $roleid));
Database::exec("DELETE FROM role_x_location WHERE roleid = :roleid", array("roleid" => $roleid));
Database::exec("DELETE FROM role_x_permission WHERE roleid = :roleid", array("roleid" => $roleid));
} else {
Database::exec("INSERT INTO role (rolename) VALUES (:rolename)", array("rolename" => $rolename));
$roleid = Database::lastInsertId();
}
foreach ($locations as $locationid) {
Database::exec("INSERT INTO role_x_location (roleid, locationid) VALUES (:roleid, :locationid)",
array("roleid" => $roleid, "locationid" => $locationid));
}
foreach ($permissions as $permissionid) {
Database::exec("INSERT INTO role_x_permission (roleid, permissionid) VALUES (:roleid, :permissionid)",
array("roleid" => $roleid, "permissionid" => $permissionid));
}
}
}
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