62b90c29db
PostgreSQL has a clear distinction between integers and booleans, so it makes sense to draw a clear line.
257 lines
7.0 KiB
PHP
257 lines
7.0 KiB
PHP
<?php
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// This file is part of GNU social - https://www.gnu.org/software/social
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//
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// GNU social 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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// GNU social 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 GNU social. If not, see <http://www.gnu.org/licenses/>.
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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 GNUsocial
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* @author Zach Copley <zach@status.net>
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* @copyright 2011 StatusNet, Inc.
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* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
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*/
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defined('GNUSOCIAL') || die();
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/**
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* Revise an answer
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*
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* @copyright 2010 StatusNet, Inc.
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* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
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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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public 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 $args misc. arguments
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*
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* @return boolean true
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* @throws ClientException
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*/
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public function prepare(array $args = [])
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{
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parent::prepare($args);
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if ($this->boolean('ajax')) {
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GNUsocial::setApi(true);
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}
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$this->user = common_current_user();
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if (empty($this->user)) {
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throw new ClientException(
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// TRANS: Client exception thrown trying to answer a question while not logged in.
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_m("You must be logged in to answer to a question."),
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403
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);
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}
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$id = substr($this->trimmed('id'), 7);
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$this->answer = QnA_Answer::getKV('id', $id);
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$this->question = $this->answer->getQuestion();
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if (empty($this->answer) || empty($this->question)) {
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throw new ClientException(
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// TRANS: Client exception thrown trying to respond to a non-existing question.
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_m('Invalid or missing answer.'),
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404
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);
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}
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$this->answerText = $this->trimmed('answer');
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return true;
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}
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/**
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* Handler method
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*
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* @return void
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*/
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public function handle()
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{
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parent::handle();
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if ($this->isPost()) {
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$this->checkSessionToken();
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if ($this->arg('revise')) {
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$this->showContent();
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return;
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} elseif ($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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* Show the revise answer form
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*
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* @return void
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*/
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public 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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public function showAjaxReviseForm()
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{
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$this->startHTML('text/xml;charset=utf-8');
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$this->elementStart('head');
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// TRANS: Form title for sending an answer.
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$this->element('title', null, _m('TITLE', 'Answer'));
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$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->endHTML();
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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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public 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 = true;
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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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$answer->best = true;
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$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 ($this->boolean('ajax')) {
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common_debug("ajaxy part");
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$this->startHTML('text/xml;charset=utf-8');
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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->endHTML();
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} else {
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common_redirect($this->answer->getUrl(), 303);
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}
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}
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/**
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* Revise the answer
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*
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* @return void
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*/
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public function reviseAnswer()
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{
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$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 ($this->boolean('ajax')) {
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common_debug("ajaxy part");
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$this->startHTML('text/xml;charset=utf-8');
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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->endHTML();
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} else {
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common_redirect($this->answer->getUrl(), 303);
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}
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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 $args other arguments
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*
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* @return boolean is read only action?
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*/
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public function isReadOnly($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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