/**
* download an attachment
* this function is registered in xajax
* @param string $list_title title of current list
* @param int $attachment_id
* @return xajaxResponse every xajax registered function needs to return this object
*/
function action_download_attachment($list_title, $attachment_id)
{
global $logging;
global $user;
global $user_start_time_array;
$logging->info("USER_ACTION " . __METHOD__ . " (user="******", attachment_id={$attachment_id})");
# store start time
$user_start_time_array[__METHOD__] = microtime(TRUE);
# create necessary objects
$response = new xajaxResponse();
# get the file name and the attachment
$list_table_attachment = new ListTableAttachment($list_title);
$attachment_array = $list_table_attachment->select_record($attachment_id);
$file_name = str_replace(" ", " ", $attachment_array[4]);
$attachment = $attachment_array[5];
# create a temp file with attachment
$tmp_file_name = "download_" . $user->get_name() . strftime("_%d%m%Y_%H%M%S");
$file_handler = fopen("uploads/" . $tmp_file_name, "w");
fwrite($file_handler, $attachment);
fclose($file_handler);
# call the export handler
$response->script("document.location.href = 'php/Html.Export.php?tmp_file={$tmp_file_name}&file_name={$file_name}'");
# log total time for this function
$logging->info(get_function_time_str(__METHOD__));
return $response;
}
/**
* delete an existing ListTableItem from database
* delete all connected ListTableNote objects
* @param $encoded_key_string string unique identifier of ListTableItem to be deleted
* @return bool indicates if ListTableItem has been deleted
*/
function delete($encoded_key_string)
{
global $list_table_description;
$this->_log->trace("deleting record from ListTable (encoded_key_string=" . $encoded_key_string . ")");
# get the id of this record
$record = self::select_record($encoded_key_string);
if (count($record) == 0) {
return FALSE;
}
$record_id = $record[DB_ID_FIELD_NAME];
# delete all notes for all fields
foreach ($this->db_field_names as $db_field_name) {
if ($this->fields[$db_field_name][1] == FIELD_TYPE_DEFINITION_NOTES_FIELD) {
if ($this->_list_table_note->delete_record_notes($record_id) == FALSE) {
# copy error strings from list_table_note
$this->error_message_str = $this->_list_table_note->get_error_message_str();
$this->error_log_str = $this->_list_table_note->get_error_log_str();
$this->error_str = $this->_list_table_note->get_error_str();
return FALSE;
}
}
}
# delete all attachments for this record
if ($this->_list_table_attachment->delete_record_attachments($record_id) == FALSE) {
# copy error strings from list_table_note
$this->error_message_str = $this->_list_table_attachment->get_error_message_str();
$this->error_log_str = $this->_list_table_attachment->get_error_log_str();
$this->error_str = $this->_list_table_attachment->get_error_str();
return FALSE;
}
# delete record
if (parent::delete($encoded_key_string) == FALSE) {
return FALSE;
}
# update list table description
if ($this->_update_list_table_description_statistics() == FALSE) {
return FALSE;
}
$this->_log->trace("deleted record from ListTable");
return TRUE;
}
