forked from GNUsocial/gnu-social
ca55d6c514
max_id is not yet implemented, as it'll need support added to the search backends. (since_id we get 'for free' by just cropping off the list, it'll do for now)
282 lines
7.6 KiB
PHP
282 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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*
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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 Search
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* @package StatusNet
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* @author Zach Copley <zach@status.net>
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* @copyright 2009 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('STATUSNET') && !defined('LACONICA')) {
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exit(1);
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}
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/**
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* widget-like class for showing JSON search results
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*
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* @category Search
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* @package StatusNet
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* @author Zach Copley <zach@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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*
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*/
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class JSONSearchResultsList
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{
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protected $notice; // protected attrs invisible to json_encode()
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protected $rpp;
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// The below attributes are carefully named so the JSON output from
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// this obj matches the output from search.twitter.com
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var $results;
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var $since_id;
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var $max_id;
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var $refresh_url;
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var $results_per_page;
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var $completed_in;
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var $page;
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var $query;
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/**
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* constructor
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*
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* @param Notice $notice stream of notices from DB_DataObject
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* @param string $query the original search query
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* @param int $rpp the number of results to display per page
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* @param int $page a page offset
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* @param int $since_id only display notices newer than this
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*/
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function __construct($notice, $query, $rpp, $page, $since_id = 0)
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{
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$this->notice = $notice;
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$this->query = urlencode($query);
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$this->results_per_page = $rpp;
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$this->rpp = $rpp;
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$this->page = $page;
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$this->since_id = $since_id;
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$this->results = array();
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}
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/**
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* show the list of search results
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*
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* @return int $count of the search results listed.
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*/
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function show()
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{
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$cnt = 0;
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$this->max_id = 0;
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$time_start = microtime(true);
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while ($this->notice->fetch() && $cnt <= $this->rpp) {
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$cnt++;
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// XXX: Hmmm. this depends on desc sort order
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if (!$this->max_id) {
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$this->max_id = (int)$this->notice->id;
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}
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if ($this->since_id && $this->notice->id <= $this->since_id) {
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break;
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}
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if ($cnt > $this->rpp) {
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break;
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}
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$profile = $this->notice->getProfile();
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// Don't show notices from deleted users
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if (!empty($profile)) {
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$item = new ResultItem($this->notice);
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array_push($this->results, $item);
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}
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}
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$time_end = microtime(true);
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$this->completed_in = $time_end - $time_start;
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// Set other attrs
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$this->refresh_url = '?since_id=' . $this->max_id .
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'&q=' . $this->query;
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// pagination stuff
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if ($cnt > $this->rpp) {
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$this->next_page = '?page=' . ($this->page + 1) .
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'&max_id=' . $this->max_id;
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if ($this->rpp != 15) {
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$this->next_page .= '&rpp=' . $this->rpp;
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}
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$this->next_page .= '&q=' . $this->query;
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}
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if ($this->page > 1) {
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$this->previous_page = '?page=' . ($this->page - 1) .
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'&max_id=' . $this->max_id;
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if ($this->rpp != 15) {
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$this->previous_page .= '&rpp=' . $this->rpp;
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}
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$this->previous_page .= '&q=' . $this->query;
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}
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print json_encode($this);
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return $cnt;
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}
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}
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/**
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* widget for displaying a single JSON search result
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*
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* @category UI
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* @package StatusNet
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* @author Zach Copley <zach@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 JSONSearchResultsList
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*/
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class ResultItem
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{
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/** The notice this item is based on. */
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protected $notice; // protected attrs invisible to json_encode()
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/** The profile associated with the notice. */
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protected $profile;
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// The below attributes are carefully named so the JSON output from
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// this obj matches the output from search.twitter.com
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var $text;
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var $to_user_id;
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var $to_user;
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var $from_user;
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var $id;
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var $from_user_id;
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var $iso_language_code;
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var $source;
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var $profile_image_url;
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var $created_at;
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/**
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* constructor
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*
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* Also initializes the profile attribute.
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*
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* @param Notice $notice The notice we'll display
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*/
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function __construct($notice)
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{
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$this->notice = $notice;
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$this->profile = $notice->getProfile();
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$this->buildResult();
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}
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/**
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* Build a search result object
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*
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* This populates the the result in preparation for JSON encoding.
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*
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* @return void
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*/
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function buildResult()
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{
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$this->text = $this->notice->content;
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$replier_profile = null;
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if ($this->notice->reply_to) {
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$reply = Notice::staticGet(intval($this->notice->reply_to));
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if ($reply) {
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$replier_profile = $reply->getProfile();
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}
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}
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$this->to_user_id = ($replier_profile) ?
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intval($replier_profile->id) : null;
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$this->to_user = ($replier_profile) ?
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$replier_profile->nickname : null;
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$this->from_user = $this->profile->nickname;
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$this->id = $this->notice->id;
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$this->from_user_id = $this->profile->id;
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$user = User::staticGet('id', $this->profile->id);
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$this->iso_language_code = $user->language;
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$this->source = $this->getSourceLink($this->notice->source);
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$avatar = $this->profile->getAvatar(AVATAR_STREAM_SIZE);
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$this->profile_image_url = ($avatar) ?
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$avatar->displayUrl() : Avatar::defaultImage(AVATAR_STREAM_SIZE);
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$this->created_at = common_date_rfc2822($this->notice->created);
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}
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/**
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* Show the source of the notice
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*
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* Either the name (and link) of the API client that posted the notice,
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* or one of other other channels.
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*
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* @param string $source the source of the Notice
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*
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* @return string a fully rendered source of the Notice
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*/
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function getSourceLink($source)
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{
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$source_name = _($source);
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switch ($source) {
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case 'web':
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case 'xmpp':
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case 'mail':
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case 'omb':
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case 'api':
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break;
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default:
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$ns = Notice_source::staticGet($source);
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if ($ns) {
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$source_name = '<a href="' . $ns->url . '">' . $ns->name . '</a>';
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}
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break;
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}
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return $source_name;
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}
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}
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