forked from GNUsocial/gnu-social
4048d1ec3d
Had some problems with PuSH and Salmon use of Bookmarks; they were being required to generate Atom versions of the bookmark _before_ the bookmark was saved. So, I reversed the order of how things are saved, and associate notices and bookmarks by URI rather than notice_id.
313 lines
9.6 KiB
PHP
313 lines
9.6 KiB
PHP
<?php
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/**
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* Data class to mark notices as bookmarks
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*
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* PHP version 5
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*
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* @category Data
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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.html AGPLv3
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* @link http://status.net/
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*
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2009, StatusNet, Inc.
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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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if (!defined('STATUSNET')) {
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exit(1);
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}
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/**
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* For storing the fact that a notice is a bookmark
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*
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* @category Bookmark
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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.html AGPLv3
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* @link http://status.net/
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*
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* @see DB_DataObject
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*/
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class Bookmark extends Memcached_DataObject
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{
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public $__table = 'bookmark'; // table name
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public $profile_id; // int(4) primary_key not_null
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public $url; // varchar(255) primary_key not_null
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public $title; // varchar(255)
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public $description; // text
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public $uri; // varchar(255)
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public $url_crc32; // int(4) not_null
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public $created; // datetime
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/**
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* Get an instance by key
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*
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* This is a utility method to get a single instance with a given key value.
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*
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* @param string $k Key to use to lookup (usually 'user_id' for this class)
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* @param mixed $v Value to lookup
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*
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* @return User_greeting_count object found, or null for no hits
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*
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*/
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function staticGet($k, $v=null)
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{
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return Memcached_DataObject::staticGet('Bookmark', $k, $v);
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}
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/**
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* return table definition for DB_DataObject
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*
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* DB_DataObject needs to know something about the table to manipulate
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* instances. This method provides all the DB_DataObject needs to know.
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*
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* @return array array of column definitions
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*/
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function table()
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{
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return array('profile_id' => DB_DATAOBJECT_INT + DB_DATAOBJECT_NOTNULL,
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'url' => DB_DATAOBJECT_STR,
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'title' => DB_DATAOBJECT_STR,
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'description' => DB_DATAOBJECT_STR,
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'uri' => DB_DATAOBJECT_STR,
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'url_crc32' => DB_DATAOBJECT_INT + DB_DATAOBJECT_NOTNULL,
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'created' => DB_DATAOBJECT_STR + DB_DATAOBJECT_DATE + DB_DATAOBJECT_TIME + DB_DATAOBJECT_NOTNULL);
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}
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/**
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* return key definitions for DB_DataObject
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*
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* @return array list of key field names
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*/
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function keys()
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{
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return array_keys($this->keyTypes());
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}
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/**
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* return key definitions for Memcached_DataObject
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*
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* @return array associative array of key definitions
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*/
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function keyTypes()
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{
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return array('profile_id' => 'K',
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'url' => 'K',
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'uri' => 'U');
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}
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/**
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* Magic formula for non-autoincrementing integer primary keys
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*
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* @return array magic three-false array that stops auto-incrementing.
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*/
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function sequenceKey()
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{
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return array(false, false, false);
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}
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/**
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* Get a bookmark based on a notice
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*
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* @param Notice $notice Notice to check for
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*
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* @return Bookmark found bookmark or null
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*/
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function getByNotice($notice)
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{
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return self::staticGet('uri', $notice->uri);
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}
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/**
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* Get the bookmark that a user made for an URL
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*
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* @param Profile $profile Profile to check for
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* @param string $url URL to check for
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*
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* @return Bookmark bookmark found or null
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*/
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static function getByURL($profile, $url)
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{
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return self::pkeyGet(array('profile_id' => $profile->id,
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'url' => $url));
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return null;
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}
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/**
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* Get the bookmark that a user made for an URL
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*
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* @param Profile $profile Profile to check for
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* @param integer $crc32 CRC-32 of URL to check for
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*
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* @return array Bookmark objects found (usually 1 or 0)
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*/
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static function getByCRC32($profile, $crc32)
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{
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$bookmarks = array();
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$nb = new Bookmark();
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$nb->profile_id = $profile->id;
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$nb->url_crc32 = $crc32;
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if ($nb->find()) {
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while ($nb->fetch()) {
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$bookmarks[] = clone($nb);
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}
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}
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return $bookmarks;
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}
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/**
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* Save a new notice bookmark
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*
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* @param Profile $profile To save the bookmark for
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* @param string $title Title of the bookmark
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* @param string $url URL of the bookmark
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* @param mixed $rawtags array of tags or string
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* @param string $description Description of the bookmark
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* @param array $options Options for the Notice::saveNew()
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*
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* @return Notice saved notice
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*/
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static function saveNew($profile, $title, $url, $rawtags, $description,
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$options=null)
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{
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$nb = self::getByURL($profile, $url);
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if (!empty($nb)) {
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throw new ClientException(_('Bookmark already exists.'));
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}
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if (empty($options)) {
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$options = array();
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}
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if (is_string($rawtags)) {
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$rawtags = preg_split('/[\s,]+/', $rawtags);
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}
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$nb = new Bookmark();
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$nb->profile_id = $profile->id;
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$nb->url = $url;
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$nb->title = $title;
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$nb->description = $description;
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$nb->url_crc32 = crc32($nb->url);
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$nb->created = common_sql_now();
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if (array_key_exists('uri', $options)) {
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$nb->uri = $options['uri'];
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} else {
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$dt = new DateTime($nb->created);
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// I posit that it's sufficiently impossible
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// for the same user to generate two CRC-32-clashing
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// URLs in the same second that this is a safe unique identifier.
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// If you find a real counterexample, contact me at acct:evan@status.net
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// and I will publicly apologize for my hubris.
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$nb->uri = common_local_url('showbookmark',
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array('user' => $profile->id,
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'created' => $dt->format(DateTime::W3C),
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'crc32' => sprintf('%08x', $nb->url_crc32)));
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}
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$nb->insert();
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$tags = array();
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$replies = array();
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// filter "for:nickname" tags
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foreach ($rawtags as $tag) {
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if (strtolower(mb_substr($tag, 0, 4)) == 'for:') {
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$nickname = mb_substr($tag, 4);
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$other = common_relative_profile($profile,
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$nickname);
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if (!empty($other)) {
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$replies[] = $other->getUri();
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}
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} else {
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$tags[] = common_canonical_tag($tag);
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}
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}
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//
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$hashtags = array();
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$taglinks = array();
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foreach ($tags as $tag) {
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$hashtags[] = '#'.$tag;
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$attrs = array('href' => Notice_tag::url($tag),
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'rel' => $tag,
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'class' => 'tag');
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$taglinks[] = XMLStringer::estring('a', $attrs, $tag);
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}
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// Use user's preferences for short URLs, if possible
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$user = User::staticGet('id', $profile->id);
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$shortUrl = File_redirection::makeShort($url,
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empty($user) ? null : $user);
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$content = sprintf(_('"%s" %s %s %s'),
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$title,
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$shortUrl,
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$description,
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implode(' ', $hashtags));
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$rendered = sprintf(_('<span class="xfolkentry">'.
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'<a class="taggedlink" href="%s">%s</a> '.
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'<span class="description">%s</span> '.
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'<span class="meta">%s</span>'.
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'</span>'),
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htmlspecialchars($url),
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htmlspecialchars($title),
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htmlspecialchars($description),
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implode(' ', $taglinks));
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$options = array_merge($options, array('urls' => array($url),
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'rendered' => $rendered,
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'tags' => $tags,
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'replies' => $replies));
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if (!array_key_exists('uri', $options)) {
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$options['uri'] = $nb->uri;
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}
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$saved = Notice::saveNew($profile->id,
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$content,
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array_key_exists('source', $options) ?
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$options['source'] : 'web',
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$options);
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return $saved;
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}
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}
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