275 lines
7.7 KiB
PHP
275 lines
7.7 KiB
PHP
<?php
|
|
/**
|
|
* StatusNet - the distributed open-source microblogging tool
|
|
* Copyright (C) 2011, StatusNet, Inc.
|
|
*
|
|
* Revise an answer
|
|
*
|
|
* 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);
|
|
}
|
|
|
|
/**
|
|
* Revise an answer
|
|
*
|
|
* @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 QnareviseanswerAction extends Action
|
|
{
|
|
protected $user = null;
|
|
protected $error = null;
|
|
protected $question = null;
|
|
protected $answer = null;
|
|
protected $content = null;
|
|
|
|
/**
|
|
* Returns the title of the action
|
|
*
|
|
* @return string Action title
|
|
*/
|
|
function title()
|
|
{
|
|
// TRANS: Page title for revising a question
|
|
return _m('Revise 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);
|
|
}
|
|
|
|
$this->user = common_current_user();
|
|
|
|
if (empty($this->user)) {
|
|
throw new ClientException(
|
|
// TRANS: Client exception thrown trying to answer a question while not logged in.
|
|
_m("You must be logged in to answer to a question."),
|
|
403
|
|
);
|
|
}
|
|
|
|
$id = substr($this->trimmed('id'), 7);
|
|
|
|
$this->answer = QnA_Answer::staticGet('id', $id);
|
|
$this->question = $this->answer->getQuestion();
|
|
|
|
if (empty($this->answer) || empty($this->question)) {
|
|
throw new ClientException(
|
|
// TRANS: Client exception thrown trying to respond to a non-existing question.
|
|
_m('Invalid or missing answer.'),
|
|
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()) {
|
|
$this->checkSessionToken();
|
|
if ($this->arg('revise')) {
|
|
$this->showContent();
|
|
return;
|
|
} else if ($this->arg('best')) {
|
|
if ($this->user->id == $this->question->profile_id) {
|
|
$this->markBest();
|
|
return;
|
|
}
|
|
} else {
|
|
$this->reviseAnswer();
|
|
return;
|
|
}
|
|
}
|
|
|
|
$this->showPage();
|
|
}
|
|
|
|
/**
|
|
* Revise the answer
|
|
*
|
|
* @return void
|
|
*/
|
|
function reviseAnswer()
|
|
{
|
|
$answer = $this->answer;
|
|
|
|
try {
|
|
$orig = clone($answer);
|
|
$answer->content = $this->answerText;
|
|
$answer->revisions++;
|
|
$result = $answer->update($orig);
|
|
} catch (ClientException $ce) {
|
|
$this->error = $ce->getMessage();
|
|
$this->showPage();
|
|
return;
|
|
}
|
|
if ($this->boolean('ajax')) {
|
|
common_debug("ajaxy part");
|
|
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('Answer'));
|
|
$this->elementEnd('head');
|
|
$this->elementStart('body');
|
|
$form = new QnashowanswerForm($this, $answer);
|
|
$form->show();
|
|
$this->elementEnd('body');
|
|
$this->elementEnd('html');
|
|
} else {
|
|
common_redirect($this->answer->bestUrl(), 303);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Mark the answer as the "best" answer
|
|
*
|
|
* @return void
|
|
*/
|
|
function markBest()
|
|
{
|
|
$question = $this->question;
|
|
$answer = $this->answer;
|
|
|
|
try {
|
|
// close the question to further answers
|
|
$orig = clone($question);
|
|
$question->closed = 1;
|
|
$result = $question->update($orig);
|
|
|
|
// mark this answer an the best answer
|
|
$orig = clone($answer);
|
|
$answer->best = 1;
|
|
$result = $answer->update($orig);
|
|
} catch (ClientException $ce) {
|
|
$this->error = $ce->getMessage();
|
|
$this->showPage();
|
|
return;
|
|
}
|
|
if ($this->boolean('ajax')) {
|
|
common_debug("ajaxy part");
|
|
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('Answer'));
|
|
$this->elementEnd('head');
|
|
$this->elementStart('body');
|
|
$form = new QnashowanswerForm($this, $answer);
|
|
$form->show();
|
|
$this->elementEnd('body');
|
|
$this->elementEnd('html');
|
|
} else {
|
|
common_redirect($this->answer->bestUrl(), 303);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Show the revise answer form
|
|
*
|
|
* @return void
|
|
*/
|
|
function showContent()
|
|
{
|
|
if (!empty($this->error)) {
|
|
$this->element('p', 'error', $this->error);
|
|
}
|
|
|
|
if ($this->boolean('ajax')) {
|
|
$this->showAjaxReviseForm();
|
|
} else {
|
|
$form = new QnareviseanswerForm($this->answer, $this);
|
|
$form->show();
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
function showAjaxReviseForm()
|
|
{
|
|
header('Content-Type: text/xml;charset=utf-8');
|
|
$this->xw->startDocument('1.0', 'UTF-8');
|
|
$this->elementStart('html');
|
|
$this->elementStart('head');
|
|
// TRANS: Form title for sending an answer.
|
|
$this->element('title', null, _m('TITLE','Answer'));
|
|
$this->elementEnd('head');
|
|
$this->elementStart('body');
|
|
$form = new QnareviseanswerForm($this->answer, $this);
|
|
$form->show();
|
|
$this->elementEnd('body');
|
|
$this->elementEnd('html');
|
|
}
|
|
|
|
/**
|
|
* 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;
|
|
}
|
|
}
|
|
}
|