public function clear_thumbnails()
{
$stack = $this->stack ? $this->stack : $this->resultset->get_stack();
$file_path = get_file_directory(str_replace('>', '/', $stack));
if (!isset($this->thumbnails)) {
$this->thumbnails = array();
} else {
if (is_string($this->thumbnails)) {
$this->thumbnails = array_filter(explode(';', $this->thumbnails));
}
}
$extension = strtolower(substr($this->filename, strrpos($this->filename, '.') + 1));
foreach ($this->thumbnails as $thumbnail) {
if (preg_match('/([a-z]+)([0-9]+)x([0-9]+)(c?)/is', $thumbnail, $match)) {
$target = $file_path . $this->id . '-' . $match[2] . 'x' . $match[3];
$slugfield = 'slug_' . $match[1];
$slug = isset($this->{$slugfield}) ? $this->{$slugfield} : $this->slug;
$file = $file_path . $slug . '-' . $this->id . '-' . $match[2] . '-' . $match[3];
if ($match[4] == 'c') {
$file .= '-c';
$target .= '-c';
}
$file .= '.' . $extension;
$target .= '.' . $extension;
@unlink($file);
@unlink($target);
}
}
if (!$this->path) {
$this->path = $stack;
}
if ($this->path && $this->id && $this->thumbnails_field) {
where('id = %d', $this->id)->update($this->path, array($this->thumbnails_field => ''));
$this->thumbnails = array();
}
}
function get_file_url($directory)
{
get_file_directory($directory);
return url('files/' . $directory, false);
}
