function remove_upload($field_name, $index)
{
$field = $this->_get_single_field($field_name);
$ids = \Leeflets\String::parse_array_representation($field_name);
$data = $this->content->get_data();
$template_content = new \Leeflets\Template\Content($data);
$files = $template_content->vget($ids);
if ($field->has_multiple_values) {
if (!isset($files[$index])) {
echo json_encode(array('error' => 'File index not found.'));
exit;
}
$file = $files[$index];
} else {
$file = $files;
}
// If this is a sample image in the template, don't try remove the file
if (!isset($file['in_template']) || !$file['in_template']) {
// Try removing the files
@unlink($this->config->uploads_path . '/' . $file['path']);
if (isset($file['versions'])) {
foreach ($file['versions'] as $version) {
@unlink($this->config->uploads_path . '/' . $version['path']);
}
}
// Check if any of the files are still there
$all_removed = true;
if (is_file($this->config->uploads_path . '/' . $file['path'])) {
$all_removed = false;
} elseif (isset($file['versions'])) {
foreach ($file['versions'] as $version) {
if (is_file($this->config->uploads_path . '/' . $version['path'])) {
$all_removed = false;
}
}
}
} else {
$all_removed = true;
}
if ($all_removed) {
// Remove file from data and save
if ($field->has_multiple_values) {
unset($files[$index]);
} else {
$files = array();
}
$files_array = \Leeflets\String::convert_representation_to_array($field_name, $files);
$data = $this->content->get_data();
$_data =& $data;
foreach ($ids as $id) {
$data =& $data[$id];
}
$data = $files;
$this->content->set_data($_data);
echo json_encode(array('success' => true));
} else {
echo json_encode(array('error' => 'Some files could not be removed.'));
}
exit;
}
