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authorEvan Prodromou <evan@controlyourself.ca>2009-01-22 19:48:17 +0000
committerEvan Prodromou <evan@controlyourself.ca>2009-01-22 19:48:17 +0000
commit7260153bd123cce0f82836e10f32a9d3812d93ac (patch)
treeec6b0d23cbcff0928178abb54c6c52e68247aa05
parentfbd87efbc7dbec97b2ec6bfaab7738352c099263 (diff)
Add a section for popular notices sitewide
-rw-r--r--lib/popularnoticesection.php83
1 files changed, 83 insertions, 0 deletions
diff --git a/lib/popularnoticesection.php b/lib/popularnoticesection.php
new file mode 100644
index 000000000..89daaa563
--- /dev/null
+++ b/lib/popularnoticesection.php
@@ -0,0 +1,83 @@
+<?php
+/**
+ * Laconica, the distributed open-source microblogging tool
+ *
+ * Base class for sections showing lists of notices
+ *
+ * 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
+ * @package Laconica
+ * @author Evan Prodromou <evan@controlyourself.ca>
+ * @copyright 2009 Control Yourself, Inc.
+ * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link http://laconi.ca/
+ */
+
+if (!defined('LACONICA')) {
+ exit(1);
+}
+
+define('NOTICES_PER_SECTION', 6);
+
+/**
+ * Base class for sections showing lists of notices
+ *
+ * These are the widgets that show interesting data about a person
+ * group, or site.
+ *
+ * @category Widget
+ * @package Laconica
+ * @author Evan Prodromou <evan@controlyourself.ca>
+ * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link http://laconi.ca/
+ */
+
+class PopularNoticeSection extends NoticeSection
+{
+ function getNotices()
+ {
+ $qry = 'SELECT notice.*, '.
+ 'sum(exp(-(now() - fave.modified) / %s)) as weight ' .
+ 'FROM notice JOIN fave ON notice.id = fave.notice_id ' .
+ 'GROUP BY fave.notice_id ' .
+ 'ORDER BY weight DESC';
+
+ $offset = 0;
+ $limit = NOTICES_PER_SECTION + 1;
+
+ if (common_config('db', 'type') == 'pgsql') {
+ $qry .= ' LIMIT ' . $limit . ' OFFSET ' . $offset;
+ } else {
+ $qry .= ' LIMIT ' . $offset . ', ' . $limit;
+ }
+
+ $notice = Memcached_DataObject::cachedQuery('Notice',
+ sprintf($qry, common_config('popular', 'dropoff')),
+ 1200);
+ return $notice;
+ }
+
+ function title()
+ {
+ return _('Popular notices');
+ }
+
+ function divId()
+ {
+ return 'popular_notices';
+ }
+}