274 lines
7.6 KiB
PHP
274 lines
7.6 KiB
PHP
<?php
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/**
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2011, StatusNet, Inc.
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*
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* Revise an answer
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*
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* PHP version 5
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @category QnA
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* @package StatusNet
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* @author Zach Copley <zach@status.net>
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* @copyright 2011 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
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* @link http://status.net/
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*/
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if (!defined('STATUSNET')) {
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// This check helps protect against security problems;
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// your code file can't be executed directly from the web.
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exit(1);
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}
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/**
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* Revise an answer
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*
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* @category QnA
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* @package StatusNet
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* @author Zach Copley <zach@status.net>
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* @copyright 2010 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
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* @link http://status.net/
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*/
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class QnareviseanswerAction extends Action
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{
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protected $user = null;
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protected $error = null;
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protected $question = null;
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protected $answer = null;
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protected $content = null;
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/**
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* Returns the title of the action
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*
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* @return string Action title
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*/
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function title()
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{
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// TRANS: Page title for revising a question
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return _m('Revise answer');
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}
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/**
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* For initializing members of the class.
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*
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* @param array $argarray misc. arguments
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*
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* @return boolean true
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*/
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function prepare($argarray)
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{
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parent::prepare($argarray);
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if ($this->boolean('ajax')) {
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StatusNet::setApi(true);
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}
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$this->user = common_current_user();
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if (empty($this->user)) {
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// TRANS: Client exception thrown trying to answer a question while not logged in.
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throw new ClientException(
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_m("You must be logged in to answer to a question."),
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403
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);
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}
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$id = substr($this->trimmed('id'), 7);
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$this->answer = QnA_Answer::staticGet('id', $id);
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$this->question = $this->answer->getQuestion();
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if (empty($this->answer) || empty($this->question)) {
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// TRANS: Client exception thrown trying to respond to a non-existing question.
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throw new ClientException(
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_m('Invalid or missing answer.'),
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404
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);
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}
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$this->answerText = $this->trimmed('answer');
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return true;
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}
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/**
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* Handler method
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*
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* @param array $argarray is ignored since it's now passed in in prepare()
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*
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* @return void
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*/
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function handle($argarray=null)
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{
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parent::handle($argarray);
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if ($this->isPost()) {
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$this->checkSessionToken();
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if ($this->arg('revise')) {
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$this->showContent();
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return;
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} else if ($this->arg('best')) {
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if ($this->user->id == $this->question->profile_id) {
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$this->markBest();
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return;
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}
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} else {
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$this->reviseAnswer();
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return;
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}
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}
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$this->showPage();
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}
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/**
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* Revise the answer
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*
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* @return void
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*/
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function reviseAnswer()
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{
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$answer = $this->answer;
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try {
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$orig = clone($answer);
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$answer->content = $this->answerText;
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$answer->revisions++;
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$result = $answer->update($orig);
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} catch (ClientException $ce) {
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$this->error = $ce->getMessage();
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$this->showPage();
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return;
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}
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if ($this->boolean('ajax')) {
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common_debug("ajaxy part");
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header('Content-Type: text/xml;charset=utf-8');
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$this->xw->startDocument('1.0', 'UTF-8');
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$this->elementStart('html');
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$this->elementStart('head');
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// TRANS: Page title after sending an answer.
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$this->element('title', null, _m('Answer'));
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$this->elementEnd('head');
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$this->elementStart('body');
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$form = new QnashowanswerForm($this, $answer);
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$form->show();
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$this->elementEnd('body');
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$this->elementEnd('html');
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} else {
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common_redirect($this->answer->bestUrl(), 303);
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}
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}
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/**
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* Mark the answer as the "best" answer
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*
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* @return void
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*/
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function markBest()
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{
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$question = $this->question;
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$answer = $this->answer;
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try {
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// close the question to further answers
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$orig = clone($question);
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$question->closed = 1;
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$result = $question->update($orig);
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// mark this answer an the best answer
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$orig = clone($answer);
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$answer->best = 1;
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$result = $answer->update($orig);
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} catch (ClientException $ce) {
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$this->error = $ce->getMessage();
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$this->showPage();
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return;
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}
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if ($this->boolean('ajax')) {
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common_debug("ajaxy part");
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header('Content-Type: text/xml;charset=utf-8');
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$this->xw->startDocument('1.0', 'UTF-8');
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$this->elementStart('html');
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$this->elementStart('head');
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// TRANS: Page title after sending an answer.
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$this->element('title', null, _m('Answer'));
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$this->elementEnd('head');
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$this->elementStart('body');
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$form = new QnashowanswerForm($this, $answer);
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$form->show();
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$this->elementEnd('body');
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$this->elementEnd('html');
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} else {
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common_redirect($this->answer->bestUrl(), 303);
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}
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}
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/**
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* Show the revise answer form
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*
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* @return void
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*/
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function showContent()
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{
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if (!empty($this->error)) {
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$this->element('p', 'error', $this->error);
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}
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if ($this->boolean('ajax')) {
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$this->showAjaxReviseForm();
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} else {
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$form = new QnareviseanswerForm($this->answer, $this);
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$form->show();
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}
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return;
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}
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function showAjaxReviseForm()
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{
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header('Content-Type: text/xml;charset=utf-8');
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$this->xw->startDocument('1.0', 'UTF-8');
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$this->elementStart('html');
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$this->elementStart('head');
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$this->element('title', null, _m('Answer'));
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$this->elementEnd('head');
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$this->elementStart('body');
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$form = new QnareviseanswerForm($this->answer, $this);
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$form->show();
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$this->elementEnd('body');
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$this->elementEnd('html');
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}
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/**
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* Return true if read only.
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*
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* MAY override
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*
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* @param array $args other arguments
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*
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* @return boolean is read only action?
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*/
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function isReadOnly($args)
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{
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if ($_SERVER['REQUEST_METHOD'] == 'GET' ||
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$_SERVER['REQUEST_METHOD'] == 'HEAD') {
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return true;
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} else {
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return false;
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}
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}
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}
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