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authorEvan Prodromou <evan@controlyourself.ca>2009-01-22 20:46:10 +0000
committerEvan Prodromou <evan@controlyourself.ca>2009-01-22 20:46:10 +0000
commit1be3efd1b5e2ed50940f492eec4ba365f5881d00 (patch)
tree80d70f41d366e5b724a76ea858f9362008b06e22 /lib
parent183ad682afa0e7c406b2f1c41f4881c090408909 (diff)
A section for showing a cloud of tags in a person's notices
Diffstat (limited to 'lib')
-rw-r--r--lib/personaltagcloudsection.php86
1 files changed, 86 insertions, 0 deletions
diff --git a/lib/personaltagcloudsection.php b/lib/personaltagcloudsection.php
new file mode 100644
index 000000000..0882822db
--- /dev/null
+++ b/lib/personaltagcloudsection.php
@@ -0,0 +1,86 @@
+<?php
+/**
+ * Laconica, the distributed open-source microblogging tool
+ *
+ * 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
+ * @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);
+}
+
+/**
+ * Personal tag cloud section
+ *
+ * @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 PersonalTagCloudSection extends TagCloudSection
+{
+ var $user = null;
+
+ function __construct($out=null, $user=null)
+ {
+ parent::__construct($out);
+ $this->user = $user;
+ }
+
+ function title()
+ {
+ return sprintf(_('Tags in %s\'s notices'), $this->user->nickname);
+ }
+
+ function getTags()
+ {
+ $qry = 'SELECT notice_tag.tag, '.
+ 'sum(exp(-(now() - notice_tag.created)/%s)) as weight ' .
+ 'FROM notice_tag JOIN notice ' .
+ 'ON notice_tag.notice_id = notice.id ' .
+ 'WHERE notice.profile_id = %d ' .
+ '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,
+ common_config('tag', 'dropoff'),
+ $this->user->id),
+ 3600);
+ return $tag;
+ }
+
+}