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Added a FormAction extension

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FormAction will act as a parent class to Action classes that use forms
of various sorts, such as newgroup creation, settings actions etc.
This commit is contained in:
Mikael Nordfeldth 2013-08-30 10:28:57 +02:00
parent 13226c5d92
commit 8d57fb7dc0
1 changed files with 113 additions and 0 deletions
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<?php
/**
* Form action extendable class.
*
* PHP version 5
*
* @category Action
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
* @link http://status.net/
*
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2008, 2009, StatusNet, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
if (!defined('STATUSNET')) {
exit(1);
}
/**
* Form action extendable class
*
* @category Action
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @author Mikael Nordfeldth <evan@status.net>
* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
* @link http://status.net/
*/
class FormAction extends Action
{
protected $form = null;
protected $type = null;
protected function prepare(array $args=array()) {
parent::prepare($args);
$this->form = $this->form ?: $this->action;
$this->args['form'] = $this->form;
$this->type = !is_null($this->type) ? $this->type : $this->trimmed('type');
$this->args['context'] = $this->trimmed('action'); // reply for notice for example
if (!$this->type) {
$this->type = null;
}
return true;
}
protected function handle()
{
parent::handle();
if ($this->isPost()) {
try {
$msg = $this->handlePost();
$this->showForm($msg, true);
} catch (Exception $e) {
$this->showForm($e->getMessage());
}
} else {
$this->showForm();
}
}
public function isReadOnly($args) {
return !$this->isPost();
}
public function showForm($msg=null, $success=false)
{
if ($success) {
$this->msg = $msg;
} else {
$this->error = $msg;
}
$this->showPage();
}
/**
* Gets called from handle() if isPost() is true;
* @return void
*/
protected function handlePost() {
// check for this before token since all POST and FILES data
// is losts when size is exceeded
if (empty($_POST) && $_SERVER['CONTENT_LENGTH']>0) {
// TRANS: Client error displayed when the number of bytes in a POST request exceeds a limit.
// TRANS: %s is the number of bytes of the CONTENT_LENGTH.
$msg = _m('The server was unable to handle that much POST data (%s MiB) due to its current configuration.',
'The server was unable to handle that much POST data (%s MiB) due to its current configuration.',
round($_SERVER['CONTENT_LENGTH']/1024/1024,2));
throw new ClientException($msg);
}
$this->checkSessionToken();
}
}