362 lines
12 KiB
PHP
362 lines
12 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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defined('GNUSOCIAL') || die();
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/**
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* Table Definition for profile_tag
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*/
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class Profile_tag extends Managed_DataObject
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{
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public $__table = 'profile_tag'; // table name
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public $tagger; // int(4) primary_key not_null
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public $tagged; // int(4) primary_key not_null
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public $tag; // varchar(64) primary_key not_null
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public $modified; // datetime() not_null default_CURRENT_TIMESTAMP
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public static function schemaDef()
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{
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return array(
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'fields' => array(
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'tagger' => array('type' => 'int', 'not null' => true, 'description' => 'user making the tag'),
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'tagged' => array('type' => 'int', 'not null' => true, 'description' => 'profile tagged'),
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'tag' => array('type' => 'varchar', 'length' => 64, 'not null' => true, 'description' => 'hash tag associated with this notice'),
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'modified' => array('type' => 'datetime', 'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date the tag was added'),
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),
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'primary key' => array('tagger', 'tagged', 'tag'),
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'foreign keys' => array(
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'profile_tag_tagger_fkey' => array('profile', array('tagger' => 'id')),
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'profile_tag_tagged_fkey' => array('profile', array('tagged' => 'id')),
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),
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'indexes' => array(
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'profile_tag_modified_idx' => array('modified'),
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'profile_tag_tagger_tag_idx' => array('tagger', 'tag'),
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'profile_tag_tagged_idx' => array('tagged'),
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),
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);
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}
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public function links()
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{
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return array('tagger,tag' => 'profile_list:tagger,tag');
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}
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public function getMeta()
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{
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return Profile_list::pkeyGet(array('tagger' => $this->tagger, 'tag' => $this->tag));
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}
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public static function getSelfTagsArray(Profile $target)
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{
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return self::getTagsArray($target->getID(), $target->getID(), $target);
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}
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public static function setSelfTags(Profile $target, array $newtags, array $privacy = [])
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{
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return self::setTags($target->getID(), $target->getID(), $newtags, $privacy);
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}
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public static function getTags($tagger, $tagged, $auth_user = null)
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{
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$profile_list = new Profile_list();
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$include_priv = 1;
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if (!($auth_user instanceof User ||
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$auth_user instanceof Profile) ||
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($auth_user->id !== $tagger)) {
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$profile_list->private = false;
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$include_priv = 0;
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}
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$key = sprintf('profile_tag:tagger_tagged_privacy:%d-%d-%d', $tagger, $tagged, $include_priv);
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$tags = Profile_list::getCached($key);
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if ($tags !== false) {
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return $tags;
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}
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$qry = 'select profile_list.* from profile_list left join '.
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'profile_tag on (profile_list.tag = profile_tag.tag and '.
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'profile_list.tagger = profile_tag.tagger) where '.
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'profile_tag.tagger = %d and profile_tag.tagged = %d ';
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$qry = sprintf($qry, $tagger, $tagged);
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if (!$include_priv) {
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$qry .= ' AND profile_list.private = FALSE';
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}
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$profile_list->query($qry);
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Profile_list::setCache($key, $profile_list);
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return $profile_list;
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}
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public static function getTagsArray($tagger, $tagged, Profile $scoped = null)
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{
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$ptag = new Profile_tag();
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$qry = sprintf(
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'SELECT profile_tag.tag '.
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'FROM profile_tag INNER JOIN profile_list '.
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' ON (profile_tag.tagger = profile_list.tagger ' .
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' and profile_tag.tag = profile_list.tag) ' .
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'WHERE profile_tag.tagger = %d ' .
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'AND profile_tag.tagged = %d ',
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$tagger,
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$tagged
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);
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if (!$scoped instanceof Profile || $scoped->getID() !== $tagger) {
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$qry .= 'AND profile_list.private = FALSE';
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}
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$tags = array();
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$ptag->query($qry);
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while ($ptag->fetch()) {
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$tags[] = $ptag->tag;
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}
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return $tags;
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}
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public static function setTags($tagger, $tagged, array $newtags, array $privacy = [])
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{
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$newtags = array_unique($newtags);
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$oldtags = self::getTagsArray($tagger, $tagged, Profile::getByID($tagger));
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$ptag = new Profile_tag();
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// Delete stuff that's in old and not in new
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$to_delete = array_diff($oldtags, $newtags);
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// Insert stuff that's in new and not in old
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$to_insert = array_diff($newtags, $oldtags);
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foreach ($to_delete as $deltag) {
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self::unTag($tagger, $tagged, $deltag);
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}
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foreach ($to_insert as $instag) {
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$private = isset($privacy[$instag]) ? $privacy[$instag] : false;
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self::setTag($tagger, $tagged, $instag, null, $private);
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}
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return true;
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}
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# set a single tag
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public static function setTag($tagger, $tagged, $tag, $desc=null, $private = false)
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{
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$ptag = Profile_tag::pkeyGet(array('tagger' => $tagger,
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'tagged' => $tagged,
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'tag' => $tag));
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# if tag already exists, return it
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if ($ptag instanceof Profile_tag) {
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return $ptag;
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}
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$tagger_profile = Profile::getByID($tagger);
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$tagged_profile = Profile::getByID($tagged);
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if (Event::handle('StartTagProfile', array($tagger_profile, $tagged_profile, $tag))) {
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if (!$tagger_profile->canTag($tagged_profile)) {
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// TRANS: Client exception thrown trying to set a tag for a user that cannot be tagged.
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throw new ClientException(_('You cannot tag this user.'));
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}
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$tags = new Profile_list();
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$tags->tagger = $tagger;
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$count = (int) $tags->count('distinct tag');
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if ($count >= common_config('peopletag', 'maxtags')) {
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// TRANS: Client exception thrown trying to set more tags than allowed.
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throw new ClientException(sprintf(
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_('You already have created %d or more tags ' .
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'which is the maximum allowed number of tags. ' .
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'Try using or deleting some existing tags.'),
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common_config('peopletag', 'maxtags')
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));
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}
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$plist = new Profile_list();
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$plist->query('START TRANSACTION');
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$profile_list = Profile_list::ensureTag($tagger, $tag, $desc, $private);
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if ($profile_list->taggedCount() >= common_config('peopletag', 'maxpeople')) {
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// TRANS: Client exception thrown when trying to add more people than allowed to a list.
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throw new ClientException(sprintf(
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_('You already have %1$d or more people in list %2$s, ' .
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'which is the maximum allowed number. ' .
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'Try unlisting others first.'),
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common_config('peopletag', 'maxpeople'),
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$tag
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));
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}
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$newtag = new Profile_tag();
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$newtag->tagger = $tagger;
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$newtag->tagged = $tagged;
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$newtag->tag = $tag;
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$result = $newtag->insert();
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if (!$result) {
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common_log_db_error($newtag, 'INSERT', __FILE__);
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$plist->query('ROLLBACK');
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return false;
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}
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try {
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$plist->query('COMMIT');
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Event::handle('EndTagProfile', array($newtag));
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} catch (Exception $e) {
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$newtag->delete();
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$profile_list->delete();
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throw $e;
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}
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$profile_list->taggedCount(true);
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self::blowCaches($tagger, $tagged);
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}
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return $newtag;
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}
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public static function unTag($tagger, $tagged, $tag)
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{
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$ptag = Profile_tag::pkeyGet(array('tagger' => $tagger,
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'tagged' => $tagged,
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'tag' => $tag));
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if (!$ptag) {
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return true;
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}
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if (Event::handle('StartUntagProfile', array($ptag))) {
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$orig = clone($ptag);
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$result = $ptag->delete();
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if ($result === false) {
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common_log_db_error($this, 'DELETE', __FILE__);
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return false;
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}
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Event::handle('EndUntagProfile', array($orig));
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$profile_list = Profile_list::pkeyGet(array('tag' => $tag, 'tagger' => $tagger));
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if (!empty($profile_list)) {
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$profile_list->taggedCount(true);
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}
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self::blowCaches($tagger, $tagged);
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return true;
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}
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}
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// @fixme: move this to Profile_list?
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public static function cleanup($profile_list)
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{
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$ptag = new Profile_tag();
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$ptag->tagger = $profile_list->tagger;
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$ptag->tag = $profile_list->tag;
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$ptag->find();
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while ($ptag->fetch()) {
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if (Event::handle('StartUntagProfile', array($ptag))) {
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$orig = clone($ptag);
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$result = $ptag->delete();
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if (!$result) {
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common_log_db_error($this, 'DELETE', __FILE__);
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}
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Event::handle('EndUntagProfile', array($orig));
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}
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}
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}
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// move a tag!
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public static function moveTag($orig, $new)
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{
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$tags = new Profile_tag();
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$qry = "UPDATE profile_tag SET tag = '%s', tagger = '%s' " .
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"WHERE tag = '%s' AND tagger = '%s'";
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$result = $tags->query(sprintf(
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$qry,
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$tags->escape($new->tag),
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$tags->escape($new->tagger),
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$tags->escape($orig->tag),
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$tags->escape($orig->tagger)
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));
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if ($result === false) {
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common_log_db_error($tags, 'UPDATE', __FILE__);
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throw new Exception('Could not move Profile_tag, see db log for details.');
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}
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return $result;
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}
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public static function blowCaches($tagger, $tagged)
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{
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foreach (array(0, 1) as $perm) {
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self::blow(sprintf('profile_tag:tagger_tagged_privacy:%d-%d-%d', $tagger, $tagged, $perm));
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}
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return true;
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}
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// Return profiles with a given tag
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public static function getTagged($tagger, $tag)
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{
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$profile = new Profile();
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$profile->query('SELECT profile.* ' .
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'FROM profile JOIN profile_tag ' .
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'ON profile.id = profile_tag.tagged ' .
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'WHERE profile_tag.tagger = ' . $profile->escape($tagger) . ' ' .
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"AND profile_tag.tag = '" . $profile->escape($tag) . "' ");
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$tagged = [];
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while ($profile->fetch()) {
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$tagged[] = clone($profile);
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}
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return true;
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}
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public function insert()
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{
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$result = parent::insert();
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if ($result) {
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self::blow(
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'profile_list:tagged_count:%d:%s',
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$this->tagger,
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$this->tag
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);
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}
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return $result;
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}
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public function delete($useWhere = false)
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{
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$result = parent::delete($useWhere);
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if ($result !== false) {
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self::blow(
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'profile_list:tagged_count:%d:%s',
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$this->tagger,
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$this->tag
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);
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}
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return $result;
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}
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}
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