forked from GNUsocial/gnu-social
353 lines
9.3 KiB
PHP
353 lines
9.3 KiB
PHP
<?php
|
|
/**
|
|
* StatusNet - the distributed open-source microblogging tool
|
|
* Copyright (C) 2011, StatusNet, Inc.
|
|
*
|
|
* Answer a question
|
|
*
|
|
* PHP version 5
|
|
*
|
|
* 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/>.
|
|
*
|
|
* @category QnA
|
|
* @package StatusNet
|
|
* @author Zach Copley <zach@status.net>
|
|
* @copyright 2011 StatusNet, Inc.
|
|
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
|
|
* @link http://status.net/
|
|
*/
|
|
if (!defined('STATUSNET')) {
|
|
// This check helps protect against security problems;
|
|
// your code file can't be executed directly from the web.
|
|
exit(1);
|
|
}
|
|
|
|
/**
|
|
* Answer a question
|
|
*
|
|
* @category QnA
|
|
* @package StatusNet
|
|
* @author Zach Copley <zach@status.net>
|
|
* @copyright 2010 StatusNet, Inc.
|
|
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
|
|
* @link http://status.net/
|
|
*/
|
|
class QnanewanswerAction extends Action
|
|
{
|
|
protected $user = null;
|
|
protected $error = null;
|
|
protected $complete = null;
|
|
|
|
public $question = null;
|
|
protected $content = null;
|
|
|
|
/**
|
|
* Returns the title of the action
|
|
*
|
|
* @return string Action title
|
|
*/
|
|
function title()
|
|
{
|
|
// TRANS: Page title for and answer to a question.
|
|
return _m('Answer');
|
|
}
|
|
|
|
/**
|
|
* For initializing members of the class.
|
|
*
|
|
* @param array $argarray misc. arguments
|
|
*
|
|
* @return boolean true
|
|
*/
|
|
function prepare($argarray)
|
|
{
|
|
parent::prepare($argarray);
|
|
if ($this->boolean('ajax')) {
|
|
StatusNet::setApi(true);
|
|
}
|
|
common_debug("in qnanewanswer");
|
|
$this->user = common_current_user();
|
|
|
|
if (empty($this->user)) {
|
|
// TRANS: Client exception thrown trying to answer a question while not logged in.
|
|
throw new ClientException(
|
|
_m("You must be logged in to answer to a question."),
|
|
403
|
|
);
|
|
}
|
|
|
|
if ($this->isPost()) {
|
|
$this->checkSessionToken();
|
|
}
|
|
|
|
$id = substr($this->trimmed('id'), 9);
|
|
|
|
$this->question = QnA_Question::staticGet('id', $id);
|
|
|
|
if (empty($this->question)) {
|
|
// TRANS: Client exception thrown trying to respond to a non-existing question.
|
|
throw new ClientException(
|
|
_m('Invalid or missing question.'),
|
|
404
|
|
);
|
|
}
|
|
|
|
$this->answerText = $this->trimmed('answer');
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Handler method
|
|
*
|
|
* @param array $argarray is ignored since it's now passed in in prepare()
|
|
*
|
|
* @return void
|
|
*/
|
|
function handle($argarray=null)
|
|
{
|
|
parent::handle($argarray);
|
|
|
|
if ($this->isPost()) {
|
|
$this->newAnswer();
|
|
} else {
|
|
$this->showForm();
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* Add a new answer
|
|
*
|
|
* @return void
|
|
*/
|
|
function newAnswer()
|
|
{
|
|
$profile = $this->user->getProfile();
|
|
|
|
try {
|
|
$notice = QnA_Answer::saveNew(
|
|
$profile,
|
|
$this->question,
|
|
$this->answerText
|
|
);
|
|
} catch (ClientException $ce) {
|
|
$this->error = $ce->getMessage();
|
|
$this->showForm($this->error);
|
|
return;
|
|
}
|
|
if ($this->boolean('ajax')) {
|
|
common_debug("ajaxy part");
|
|
$answer = $this->question->getAnswer($profile);
|
|
header('Content-Type: text/xml;charset=utf-8');
|
|
$this->xw->startDocument('1.0', 'UTF-8');
|
|
|
|
$this->elementStart('html');
|
|
$this->elementStart('head');
|
|
// TRANS: Page title after sending an answer.
|
|
$this->element('title', null, _m('Answers'));
|
|
$this->elementEnd('head');
|
|
|
|
$this->elementStart('body');
|
|
|
|
|
|
$nli = new NoticeAnswerListItem($notice, $this, $this->question, $answer);
|
|
$nli->show();
|
|
|
|
$this->elementEnd('body');
|
|
$this->elementEnd('html');
|
|
} else {
|
|
common_debug("not ajax");
|
|
common_redirect($this->question->bestUrl(), 303);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Show the Answer form
|
|
*
|
|
* @return void
|
|
*/
|
|
function showContent()
|
|
{
|
|
if (!empty($this->error)) {
|
|
$this->element('p', 'error', $this->error);
|
|
}
|
|
|
|
$form = new QnanewanswerForm($this->question, $this);
|
|
$form->show();
|
|
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* Return true if read only.
|
|
*
|
|
* MAY override
|
|
*
|
|
* @param array $args other arguments
|
|
*
|
|
* @return boolean is read only action?
|
|
*/
|
|
function isReadOnly($args)
|
|
{
|
|
if ($_SERVER['REQUEST_METHOD'] == 'GET' ||
|
|
$_SERVER['REQUEST_METHOD'] == 'HEAD') {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Show an Ajax-y error message
|
|
*
|
|
* Goes back to the browser, where it's shown in a popup.
|
|
*
|
|
* @param string $msg Message to show
|
|
*
|
|
* @return void
|
|
*/
|
|
function ajaxErrorMsg($msg)
|
|
{
|
|
$this->startHTML('text/xml;charset=utf-8', true);
|
|
$this->elementStart('head');
|
|
// TRANS: Page title after an AJAX error occurs on the post answer page.
|
|
$this->element('title', null, _('Ajax Error'));
|
|
$this->elementEnd('head');
|
|
$this->elementStart('body');
|
|
$this->element('p', array('id' => 'error'), $msg);
|
|
$this->elementEnd('body');
|
|
$this->elementEnd('html');
|
|
}
|
|
|
|
/**
|
|
* Show an Ajax-y answer form
|
|
*
|
|
* Goes back to the browser, where it's shown in a popup.
|
|
*
|
|
* @param string $msg Message to show
|
|
*
|
|
* @return void
|
|
*/
|
|
function ajaxShowForm()
|
|
{
|
|
common_debug('ajaxShowForm()');
|
|
$this->startHTML('text/xml;charset=utf-8', true);
|
|
$this->elementStart('head');
|
|
// TRANS: Title for form to send answer to a question.
|
|
$this->element('title', null, _m('TITLE','Your answer'));
|
|
$this->elementEnd('head');
|
|
$this->elementStart('body');
|
|
|
|
$form = new QnanewanswerForm($this, $this->question);
|
|
$form->show();
|
|
|
|
$this->elementEnd('body');
|
|
$this->elementEnd('html');
|
|
}
|
|
|
|
/**
|
|
* @param string $msg An error message, if any
|
|
*
|
|
* @return void
|
|
*/
|
|
function showForm($msg = null)
|
|
{
|
|
common_debug("show form - msg = $msg");
|
|
if ($this->boolean('ajax')) {
|
|
if ($msg) {
|
|
$this->ajaxErrorMsg($msg);
|
|
} else {
|
|
$this->ajaxShowForm();
|
|
}
|
|
return;
|
|
}
|
|
|
|
$this->msg = $msg;
|
|
$this->showPage();
|
|
}
|
|
|
|
}
|
|
|
|
class NoticeAnswerListItem extends NoticeListItem
|
|
{
|
|
protected $question;
|
|
protected $answer;
|
|
|
|
/**
|
|
* constructor
|
|
*
|
|
* Also initializes the profile attribute.
|
|
*
|
|
* @param Notice $notice The notice we'll display
|
|
*/
|
|
function __construct($notice, $out=null, $question, $answer)
|
|
{
|
|
parent::__construct($notice, $out);
|
|
$this->question = $question;
|
|
$this->answer = $answer;
|
|
|
|
}
|
|
|
|
function show()
|
|
{
|
|
if (empty($this->notice)) {
|
|
common_log(LOG_WARNING, "Trying to show missing notice; skipping.");
|
|
return;
|
|
} else if (empty($this->profile)) {
|
|
common_log(LOG_WARNING, "Trying to show missing profile (" . $this->notice->profile_id . "); skipping.");
|
|
return;
|
|
}
|
|
|
|
$this->showStart();
|
|
$this->showNotice();
|
|
$this->showNoticeInfo();
|
|
$notice = $this->question->getNotice();
|
|
$this->out->hidden('inreplyto', $notice->id);
|
|
$this->showEnd();
|
|
}
|
|
|
|
/**
|
|
* show the content of the notice
|
|
*
|
|
* Shows the content of the notice. This is pre-rendered for efficiency
|
|
* at save time. Some very old notices might not be pre-rendered, so
|
|
* they're rendered on the spot.
|
|
*
|
|
* @return void
|
|
*/
|
|
function showContent()
|
|
{
|
|
$this->out->elementStart('p', array('class' => 'entry-content answer-content'));
|
|
if ($this->notice->rendered) {
|
|
$this->out->raw($this->notice->rendered);
|
|
} else {
|
|
// XXX: may be some uncooked notices in the DB,
|
|
// we cook them right now. This should probably disappear in future
|
|
// versions (>> 0.4.x)
|
|
$this->out->raw(common_render_content($this->notice->content, $this->notice));
|
|
}
|
|
|
|
if (!empty($this->answer)) {
|
|
$form = new QnashowanswerForm($this->out, $this->answer);
|
|
$form->show();
|
|
} else {
|
|
$out->text(_m('Answer data is missing.'));
|
|
}
|
|
|
|
$this->out->elementEnd('p');
|
|
}
|
|
|
|
} |