gnu-social/plugins/QnA/actions/qnareviseanswer.php
Alexei Sorokin 62b90c29db [DATABASE] Introduce a bool type in schema
PostgreSQL has a clear distinction between integers and booleans, so it makes
sense to draw a clear line.
2019-09-11 11:25:39 +03:00

257 lines
7.0 KiB
PHP

<?php
// This file is part of GNU social - https://www.gnu.org/software/social
//
// GNU social 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.
//
// GNU social 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 GNU social. If not, see <http://www.gnu.org/licenses/>.
/**
* Revise an answer
*
* @category QnA
* @package GNUsocial
* @author Zach Copley <zach@status.net>
* @copyright 2011 StatusNet, Inc.
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
*/
defined('GNUSOCIAL') || die();
/**
* Revise an answer
*
* @copyright 2010 StatusNet, Inc.
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
*/
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
*/
public function title()
{
// TRANS: Page title for revising a question
return _m('Revise answer');
}
/**
* For initializing members of the class.
*
* @param array $args misc. arguments
*
* @return boolean true
* @throws ClientException
*/
public function prepare(array $args = [])
{
parent::prepare($args);
if ($this->boolean('ajax')) {
GNUsocial::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::getKV('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 = $this->trimmed('answer');
return true;
}
/**
* Handler method
*
* @return void
*/
public function handle()
{
parent::handle();
if ($this->isPost()) {
$this->checkSessionToken();
if ($this->arg('revise')) {
$this->showContent();
return;
} elseif ($this->arg('best')) {
if ($this->user->id == $this->question->profile_id) {
$this->markBest();
return;
}
} else {
$this->reviseAnswer();
return;
}
}
$this->showPage();
}
/**
* Show the revise answer form
*
* @return void
*/
public function showContent()
{
if (!empty($this->error)) {
$this->element('p', 'error', $this->error);
}
if ($this->boolean('ajax')) {
$this->showAjaxReviseForm();
} else {
$form = new QnareviseanswerForm($this->answer, $this);
$form->show();
}
return;
}
public function showAjaxReviseForm()
{
$this->startHTML('text/xml;charset=utf-8');
$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->endHTML();
}
/**
* Mark the answer as the "best" answer
*
* @return void
*/
public function markBest()
{
$question = $this->question;
$answer = $this->answer;
try {
// close the question to further answers
$orig = clone($question);
$question->closed = true;
$result = $question->update($orig);
// mark this answer an the best answer
$orig = clone($answer);
$answer->best = true;
$result = $answer->update($orig);
} catch (ClientException $ce) {
$this->error = $ce->getMessage();
$this->showPage();
return;
}
if ($this->boolean('ajax')) {
common_debug("ajaxy part");
$this->startHTML('text/xml;charset=utf-8');
$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');
$this->endHTML();
} else {
common_redirect($this->answer->getUrl(), 303);
}
}
/**
* Revise the answer
*
* @return void
*/
public 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");
$this->startHTML('text/xml;charset=utf-8');
$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');
$this->endHTML();
} else {
common_redirect($this->answer->getUrl(), 303);
}
}
/**
* Return true if read only.
*
* MAY override
*
* @param array $args other arguments
*
* @return boolean is read only action?
*/
public function isReadOnly($args)
{
if ($_SERVER['REQUEST_METHOD'] == 'GET' ||
$_SERVER['REQUEST_METHOD'] == 'HEAD') {
return true;
} else {
return false;
}
}
}