function remove_folder($dir)
{
$result = array();
$result['removed'] = array();
$result['kept'] = array();
$files = array_diff(scandir($dir), array('.', '..'));
foreach ($files as $file) {
if (is_dir("{$dir}/{$file}")) {
$result = array_merge_recursive($result, remove_folder("{$dir}/{$file}"));
} else {
if (unlink("{$dir}/{$file}")) {
$result['removed'][] = "{$dir}/{$file}";
} else {
$result['kept'][] = "{$dir}/{$file}";
}
}
}
if (rmdir("{$dir}")) {
$result['removed'][] = $dir;
} else {
$result['kept'][] = $dir;
}
return $result;
}
public function deleteUpdate($update_id)
{
// Begin transaction with the database
$this->db->trans_start();
// Update URL count
$update = $this->getSingle($update_id, 1);
if ($update['url']) {
// Check if this is the only update using this url
$num = $this->db->where('url', $update['url'])->get('update_url')->num_rows;
if ($num > 1) {
// More than one share
$this->db->where('id', $update['url'])->set('share_count', 'share_count - 1', false)->update('url');
} else {
// Only one share
// Delete from DB
$this->db->where('id', $update['url'])->delete('url');
$dir = getcwd() . '/upload/url/' . $update['url'];
if (is_dir($dir)) {
empty_folder($dir);
if (!remove_folder($dir)) {
log_message('error', "user_model->deleteUpdate() - Remove folder failed:" . $dir);
return false;
}
}
}
}
// Delete files
if ($update['image_id']) {
// Check if this is the only update using this image
$num = $this->db->where('image_id', $update['image_id'])->get('update_image')->num_rows;
if ($num == 1) {
// Delete from DB
$this->db->where('image_id', $update['image_id'])->delete('image');
$dir = getcwd() . '/upload/photo/' . $update['username'];
remove_files(array($dir . '/' . $update['image_id'] . '-' . $update['image_filename'] . $update['image_fileext'], $dir . '/' . $update['image_id'] . '-' . $update['image_filename'] . '-large' . $update['image_fileext'], $dir . '/' . $update['image_id'] . '-' . $update['image_filename'] . '-small' . $update['image_fileext']));
}
}
// Delete mentions
$this->db->where('update_id', $update_id)->delete('user_notification');
// Delete update
$this->db->where('id', $update_id)->delete('update');
$this->db->trans_complete();
if ($this->db->trans_status() === false) {
return false;
}
return true;
}
