git.gnu.io has moved to IP address 209.51.188.249 -- please double check where you are logging in.

grouptagcloudsection.php 3.24 KB
Newer Older
1 2
<?php
/**
3
 * StatusNet, the distributed open-source microblogging tool
4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
 *
 * Personal tag cloud section
 *
 * PHP version 5
 *
 * LICENCE: This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * @category  Widget
23
 * @package   StatusNet
24
 * @author    Evan Prodromou <evan@status.net>
25
 * @copyright 2009 StatusNet, Inc.
26
 * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
27
 * @link      http://status.net/
28 29
 */

30
if (!defined('STATUSNET') && !defined('LACONICA')) {
31 32 33 34
    exit(1);
}

/**
35
 * Group tag cloud section
36 37
 *
 * @category Widget
38
 * @package  StatusNet
39
 * @author   Evan Prodromou <evan@status.net>
40
 * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
41
 * @link     http://status.net/
42 43 44 45 46 47 48 49 50 51 52 53 54
 */
class GroupTagCloudSection extends TagCloudSection
{
    var $group = null;

    function __construct($out=null, $group=null)
    {
        parent::__construct($out);
        $this->group = $group;
    }

    function title()
    {
55 56
        // TRANS: Title for group tag cloud section.
        // TRANS: %s is a group name.
57
        return _('Tags');
58 59 60 61
    }

    function getTags()
    {
62
        $weightexpr = common_sql_weight('notice_tag.created', common_config('tag', 'dropoff'));
63
        // @fixme should we use the cutoff too? Doesn't help with indexing per-group.
64

65 66 67 68 69 70 71 72 73
        $names = $this->group->getAliases();

        $names = array_merge(array($this->group->nickname), $names);

        // XXX This is dumb.

        $quoted = array();

        foreach ($names as $name) {
74
            $quoted[] = "'$name'";
75 76 77 78
        }

        $namestring = implode(',', $quoted);

79
        $qry = 'SELECT notice_tag.tag, '.
80
          $weightexpr . ' as weight ' .
81 82 83 84
          'FROM notice_tag JOIN notice ' .
          'ON notice_tag.notice_id = notice.id ' .
          'JOIN group_inbox on group_inbox.notice_id = notice.id ' .
          'WHERE group_inbox.group_id = %d ' .
85
          'AND notice_tag.tag not in (%s) '.
86 87 88 89 90 91 92 93 94 95 96 97 98 99
          'GROUP BY notice_tag.tag ' .
          'ORDER BY weight DESC ';

        $limit = TAGS_PER_SECTION;
        $offset = 0;

        if (common_config('db','type') == 'pgsql') {
            $qry .= ' LIMIT ' . $limit . ' OFFSET ' . $offset;
        } else {
            $qry .= ' LIMIT ' . $offset . ', ' . $limit;
        }

        $tag = Memcached_DataObject::cachedQuery('Notice_tag',
                                                 sprintf($qry,
100 101
                                                         $this->group->id,
                                                         $namestring),
102 103 104 105
                                                 3600);
        return $tag;
    }
}