/**
* Copy all files and folders from one directory to another. Target directory will be created if it is not exist yet.
* @param string $from source directory.
* @param string $to target directory.
* @return boolean TRUE, if proccess of copying was completted successfully, FALSE otherwise.
*/
function clone_directory($from, $to)
{
set_time_limit(1200);
if ($from == $to) {
return FALSE;
}
if (!file_exists($from)) {
return FALSE;
}
if (!file_exists($to)) {
@mkdir($to, DIR_READ_MODE, TRUE);
}
$files_dirs = scandir($from);
foreach ($files_dirs as $file_dir) {
if (is_file(ltrim($from, '/\\') . '/' . $file_dir)) {
$result = @copy(ltrim($from, '/\\') . '/' . $file_dir, ltrim($to, '/\\') . '/' . $file_dir);
if ($result === FALSE) {
return FALSE;
}
} else {
if ($file_dir !== '.' && $file_dir !== '..') {
$result = clone_directory(ltrim($from, '/\\') . '/' . $file_dir, ltrim($to, '/\\') . '/' . $file_dir);
if ($result === FALSE) {
return FALSE;
}
}
}
}
return TRUE;
}
public function clone_task($task_id)
{
$result = new stdClass();
$result->result = FALSE;
$this->_transaction_isolation();
$this->db->trans_begin();
$old_task = new Task();
$old_task->get_by_id((int) $task_id);
if ($old_task->exists()) {
$new_task = $old_task->get_copy();
if ($new_task->save()) {
$this->lang->clone_overlays('tasks', $old_task->id, $new_task->id);
$from = 'private/uploads/task_files/task_' . $old_task->id;
$continue = TRUE;
if (file_exists($from)) {
$to = 'private/uploads/task_files/task_' . $new_task->id;
if (!clone_directory($from, $to)) {
unlink_recursive($to, TRUE);
$this->db->trans_rollback();
$result->message = $this->lang->line('admin_tasks_error_message_files_not_cloned');
$continue = FALSE;
}
}
if ($continue) {
$old_categories = new Category();
$old_categories->where_related($old_task);
$old_categories->get();
if ($old_categories->result_count()) {
foreach ($old_categories->all as $old_category) {
$old_category->save($new_task);
}
}
$old_tests = new Test();
$old_tests->where_related($old_task);
$old_tests->get();
if ($old_tests->result_count()) {
foreach ($old_tests->all as $old_test) {
$new_test = $old_test->get_copy();
if ($new_test->save($new_task)) {
$this->lang->clone_overlays('tests', $old_test->id, $new_test->id);
$from = 'private/uploads/unit_tests/test_' . $old_test->id;
$to = 'private/uploads/unit_tests/test_' . $new_test->id;
clone_directory($from, $to);
}
}
}
$this->db->trans_commit();
$result->result = TRUE;
$result->message = $this->lang->line('admin_tasks_success_message_task_cloned');
}
} else {
$this->db->trans_rollback();
$result->message = $this->lang->line('admin_tasks_error_message_clone_dont_saved');
}
} else {
$this->db->trans_rollback();
$result->message = $this->lang->line('admin_tasks_error_message_task_not_found');
}
$this->output->set_content_type('application/json');
$this->output->set_output(json_encode($result));
}