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-rw-r--r--lib/personaltagcloudsection.php86
-rw-r--r--lib/tagcloudsection.php113
2 files changed, 199 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;
+ }
+
+}
diff --git a/lib/tagcloudsection.php b/lib/tagcloudsection.php
new file mode 100644
index 000000000..121dfc499
--- /dev/null
+++ b/lib/tagcloudsection.php
@@ -0,0 +1,113 @@
+<?php
+/**
+ * Laconica, the distributed open-source microblogging tool
+ *
+ * Base class for sections showing tag clouds
+ *
+ * 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('TAGS_PER_SECTION', 20);
+
+/**
+ * Base class for sections
+ *
+ * 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 TagCloudSection extends Section
+{
+ function showContent()
+ {
+ $tags = $this->getTags();
+
+ if (!$tags) {
+ return false;
+ }
+
+ $cnt = 0;
+
+ $tw = array();
+ $sum = 0;
+
+ while ($tags->fetch() && ++$cnt <= TAGS_PER_SECTION) {
+ $tw[$tags->tag] = $tags->weight;
+ $sum += $tags->weight;
+ }
+
+ ksort($tw);
+
+ $this->out->elementStart('ul', 'tags xoxo tag-cloud');
+ foreach ($tw as $tag => $weight) {
+ $this->showTag($tag, $weight, $weight/$sum);
+ }
+ $this->out->elementEnd('ul');
+
+ return ($cnt > TAGS_PER_SECTION);
+ }
+
+ function getTags()
+ {
+ return null;
+ }
+
+ function showTag($tag, $weight, $relative)
+ {
+ if ($relative > 0.1) {
+ $rel = 'tag-cloud-7';
+ } else if ($relative > 0.05) {
+ $rel = 'tag-cloud-6';
+ } else if ($relative > 0.02) {
+ $rel = 'tag-cloud-5';
+ } else if ($relative > 0.01) {
+ $rel = 'tag-cloud-4';
+ } else if ($relative > 0.005) {
+ $rel = 'tag-cloud-3';
+ } else if ($relative > 0.002) {
+ $rel = 'tag-cloud-2';
+ } else {
+ $rel = 'tag-cloud-1';
+ }
+
+ $this->out->elementStart('li', $rel);
+ $this->out->element('a', array('href' => $this->tagUrl($tag)),
+ $tag);
+ $this->out->elementEnd('li');
+ }
+
+ function tagUrl($tag)
+ {
+ return common_local_url('tag', array('tag' => $tag));
+ }
+}