gnu-social/plugins/QnA/actions/qnashowanswer.php

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<?php
/**
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2010, StatusNet, Inc.
*
* Show an answer to 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 2010 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);
}
/**
* Show an answer to a question, and associated data
*
* @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 QnashowanswerAction extends ShownoticeAction
{
protected $answer = null;
/**
* For initializing members of the class.
*
* @param array $argarray misc. arguments
*
* @return boolean true
*/
function prepare($argarray)
{
Action::prepare($argarray);
$this->id = $this->trimmed('id');
$this->answer = QnA_Answer::getKV('id', $this->id);
if (empty($this->answer)) {
// TRANS: Client exception thrown when requesting a non-existing answer.
throw new ClientException(_m('No such answer.'), 404);
}
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$this->question = $this->answer->getQuestion();
if (empty($this->question)) {
// TRANS: Client exception thrown when requesting an answer that has no connected question.
throw new ClientException(_m('No question for this answer.'), 404);
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}
$this->notice = Notice::getKV('uri', $this->answer->uri);
if (empty($this->notice)) {
// TRANS: Did we used to have it, and it got deleted?
throw new ClientException(_m('No such answer.'), 404);
}
$this->user = User::getKV('id', $this->answer->profile_id);
if (empty($this->user)) {
// TRANS: Client exception thrown when requesting answer data for a non-existing user.
throw new ClientException(_m('No such user.'), 404);
}
$this->profile = $this->user->getProfile();
if (empty($this->profile)) {
// TRANS: Client exception thrown when requesting answer data for a user without a profile.
throw new ServerException(_m('User without a profile.'));
}
try {
$this->avatar = $this->profile->getAvatar(AVATAR_PROFILE_SIZE);
} catch (Exception $e) {
$this->avatar = null;
}
return true;
}
/**
* Title of the page
*
* Used by Action class for layout.
*
* @return string page tile
*/
function title()
{
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$question = $this->answer->getQuestion();
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return sprintf(
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// TRANS: Page title.
// TRANS: %1$s is the user who answered a question, %2$s is the question.
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_m('%1$s\'s answer to "%2$s"'),
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$this->user->nickname,
$question->title
);
}
/**
* Overload page title display to show answer link
*
* @return void
*/
function showPageTitle()
{
$this->elementStart('h1');
$this->element(
'a',
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array('href' => $this->answer->uri),
$this->question->title
);
$this->elementEnd('h1');
}
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function showContent()
{
$this->raw($this->answer->asHTML());
}
}