290 lines
7.9 KiB
PHP
290 lines
7.9 KiB
PHP
<?php
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/**
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* Laconica, the distributed open-source microblogging tool
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*
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* Handler for posting new notices
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*
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* PHP version 5
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*
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* LICENCE: 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 Personal
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* @package Laconica
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* @author Evan Prodromou <evan@controlyourself.ca>
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* @author Zach Copley <zach@controlyourself.ca>
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* @author Sarven Capadisli <csarven@controlyourself.ca>
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* @copyright 2008-2009 Control Yourself, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://laconi.ca/
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*/
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if (!defined('LACONICA')) {
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exit(1);
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}
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require_once INSTALLDIR.'/lib/noticelist.php';
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/**
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* Action for posting new notices
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*
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* @category Personal
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* @package Laconica
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* @author Evan Prodromou <evan@controlyourself.ca>
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* @author Zach Copley <zach@controlyourself.ca>
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* @author Sarven Capadisli <csarven@controlyourself.ca>
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://laconi.ca/
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*/
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class NewnoticeAction extends Action
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{
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/**
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* Error message, if any
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*/
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var $msg = null;
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/**
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* Title of the page
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*
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* Note that this usually doesn't get called unless something went wrong
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*
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* @return string page title
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*/
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function title()
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{
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return _('New notice');
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}
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/**
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* Handle input, produce output
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*
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* Switches based on GET or POST method. On GET, shows a form
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* for posting a notice. On POST, saves the results of that form.
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*
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* Results may be a full page, or just a single notice list item,
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* depending on whether AJAX was requested.
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*
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* @param array $args $_REQUEST contents
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*
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* @return void
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*/
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function handle($args)
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{
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parent::handle($args);
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if (!common_logged_in()) {
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$this->clientError(_('Not logged in.'));
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} else if ($_SERVER['REQUEST_METHOD'] == 'POST') {
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// CSRF protection - token set in common_notice_form()
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$token = $this->trimmed('token');
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if (!$token || $token != common_session_token()) {
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$this->clientError(_('There was a problem with your session token. '.
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'Try again, please.'));
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return;
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}
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$this->saveNewNotice();
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} else {
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$this->showForm();
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}
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}
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/**
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* Save a new notice, based on arguments
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*
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* If successful, will show the notice, or return an Ajax-y result.
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* If not, it will show an error message -- possibly Ajax-y.
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*
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* Also, if the notice input looks like a command, it will run the
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* command and show the results -- again, possibly ajaxy.
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*
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* @return void
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*/
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function saveNewNotice()
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{
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$user = common_current_user();
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assert($user); // XXX: maybe an error instead...
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$content = $this->trimmed('status_textarea');
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if (!$content) {
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$this->showForm(_('No content!'));
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return;
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} else {
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$content_shortened = common_shorten_links($content);
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if (mb_strlen($content_shortened) > 140) {
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$this->showForm(_('That\'s too long. '.
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'Max notice size is 140 chars.'));
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return;
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}
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}
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$inter = new CommandInterpreter();
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$cmd = $inter->handle_command($user, $content_shortened);
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if ($cmd) {
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if ($this->boolean('ajax')) {
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$cmd->execute(new AjaxWebChannel());
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} else {
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$cmd->execute(new WebChannel());
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}
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return;
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}
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$replyto = $this->trimmed('inreplyto');
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$notice = Notice::saveNew($user->id, $content, 'web', 1,
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($replyto == 'false') ? null : $replyto);
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if (is_string($notice)) {
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$this->showForm($notice);
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return;
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}
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common_broadcast_notice($notice);
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if ($this->boolean('ajax')) {
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$this->startHTML('text/xml;charset=utf-8');
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$this->elementStart('head');
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$this->element('title', null, _('Notice posted'));
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$this->elementEnd('head');
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$this->elementStart('body');
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$this->showNotice($notice);
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$this->elementEnd('body');
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$this->elementEnd('html');
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} else {
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$returnto = $this->trimmed('returnto');
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if ($returnto) {
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$url = common_local_url($returnto,
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array('nickname' => $user->nickname));
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} else {
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$url = common_local_url('shownotice',
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array('notice' => $notice->id));
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}
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common_redirect($url, 303);
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}
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}
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/**
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* Show an Ajax-y error message
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*
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* Goes back to the browser, where it's shown in a popup.
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*
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* @param string $msg Message to show
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*
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* @return void
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*/
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function ajaxErrorMsg($msg)
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{
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$this->startHTML('text/xml;charset=utf-8', true);
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$this->elementStart('head');
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$this->element('title', null, _('Ajax Error'));
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$this->elementEnd('head');
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$this->elementStart('body');
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$this->element('p', array('id' => 'error'), $msg);
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$this->elementEnd('body');
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$this->elementEnd('html');
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}
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/**
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* Formerly page output
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*
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* This used to be the whole page output; now that's been largely
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* subsumed by showPage. So this just stores an error message, if
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* it was passed, and calls showPage.
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*
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* Note that since we started doing Ajax output, this page is rarely
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* seen.
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*
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* @param string $msg An error message, if any
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*
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* @return void
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*/
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function showForm($msg=null)
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{
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if ($msg && $this->boolean('ajax')) {
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$this->ajaxErrorMsg($msg);
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return;
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}
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$this->msg = $msg;
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$this->showPage();
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}
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/**
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* Overload for replies or bad results
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*
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* We show content in the notice form if there were replies or results.
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*
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* @return void
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*/
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function showNoticeForm()
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{
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$content = $this->trimmed('status_textarea');
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if (!$content) {
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$replyto = $this->trimmed('replyto');
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$profile = Profile::staticGet('nickname', $replyto);
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if ($profile) {
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$content = '@' . $profile->nickname . ' ';
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}
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}
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$notice_form = new NoticeForm($this, $content);
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$notice_form->show();
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}
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/**
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* Show an error message
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*
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* Shows an error message if there is one.
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*
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* @return void
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*
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* @todo maybe show some instructions?
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*/
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function showPageNotice()
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{
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if ($this->msg) {
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$this->element('p', array('id' => 'error'), $this->msg);
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}
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}
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/**
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* Output a notice
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*
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* Used to generate the notice code for Ajax results.
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*
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* @param Notice $notice Notice that was saved
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*
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* @return void
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*/
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function showNotice($notice)
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{
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$nli = new NoticeListItem($notice, $this);
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$nli->show();
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}
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}
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