155 lines
4.8 KiB
PHP
155 lines
4.8 KiB
PHP
<?php
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/**
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* StatusNet, the distributed open-source microblogging tool
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*
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* widget for displaying a list of 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 UI
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* @package StatusNet
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* @author Brion Vibber <brion@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 GNU Affero General Public License version 3.0
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* @link http://status.net/
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*/
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if (!defined('GNUSOCIAL')) { exit(1); }
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/**
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* widget for displaying a list of notices
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*
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* There are a number of actions that display a list of notices, in
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* reverse chronological order. This widget abstracts out most of the
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* code for UI for notice lists. It's overridden to hide some
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* data for e.g. the profile page.
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*
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* @category UI
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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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://status.net/
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* @see Notice
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* @see NoticeListItem
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* @see ProfileNoticeList
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*/
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class ThreadedNoticeList extends NoticeList
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{
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protected $userProfile;
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function __construct(Notice $notice, Action $out=null, $profile=-1)
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{
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parent::__construct($notice, $out);
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if (is_int($profile) && $profile == -1) {
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$profile = Profile::current();
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}
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$this->userProfile = $profile;
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}
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/**
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* show the list of notices
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*
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* "Uses up" the stream by looping through it. So, probably can't
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* be called twice on the same list.
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*
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* @return int count of notices listed.
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*/
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function show()
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{
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$this->out->elementStart('div', array('id' =>'notices_primary'));
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// TRANS: Header for Notices section.
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$this->out->element('h2', null, _m('HEADER','Notices'));
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$this->out->elementStart('ol', array('class' => 'notices threaded-notices xoxo'));
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$notices = $this->notice->fetchAll();
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$total = count($notices);
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$notices = array_slice($notices, 0, NOTICES_PER_PAGE);
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$allnotices = self::_allNotices($notices);
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self::prefill($allnotices);
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$conversations = array();
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foreach ($notices as $notice) {
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// Collapse repeats into their originals...
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if ($notice->repeat_of) {
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$orig = Notice::getKV('id', $notice->repeat_of);
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if ($orig instanceof Notice) {
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$notice = $orig;
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}
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}
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$convo = $notice->conversation;
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if (!empty($conversations[$convo])) {
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// Seen this convo already -- skip!
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continue;
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}
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$conversations[$convo] = true;
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// Get the convo's root notice
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$root = $notice->conversationRoot($this->userProfile);
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if ($root instanceof Notice) {
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$notice = $root;
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}
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try {
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$item = $this->newListItem($notice);
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$item->show();
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} catch (Exception $e) {
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// we log exceptions and continue
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common_log(LOG_ERR, $e->getMessage());
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continue;
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}
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}
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$this->out->elementEnd('ol');
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$this->out->elementEnd('div');
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return $total;
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}
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function _allNotices($notices)
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{
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$convId = array();
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foreach ($notices as $notice) {
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$convId[] = $notice->conversation;
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}
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$convId = array_unique($convId);
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$allMap = Notice::listGet('conversation', $convId);
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$allArray = array();
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foreach ($allMap as $convId => $convNotices) {
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$allArray = array_merge($allArray, $convNotices);
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}
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return $allArray;
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}
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/**
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* returns a new list item for the current notice
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*
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* Recipe (factory?) method; overridden by sub-classes to give
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* a different list item class.
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*
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* @param Notice $notice the current notice
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*
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* @return NoticeListItem a list item for displaying the notice
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*/
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function newListItem(Notice $notice)
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{
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return new ThreadedNoticeListItem($notice, $this->out, $this->userProfile);
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}
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}
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