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+<?php
+/**
+ * Display a conversation in the browser
+ *
+ * PHP version 5
+ *
+ * @category Action
+ * @package Laconica
+ * @author Evan Prodromou <evan@controlyourself.ca>
+ * @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
+ * @link http://laconi.ca/
+ *
+ * Laconica - a distributed open-source microblogging tool
+ * Copyright (C) 2008, Controlez-Vous, Inc.
+ *
+ * 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/>.
+ */
+
+if (!defined('LACONICA')) {
+ exit(1);
+}
+
+/**
+ * Conversation tree in the browser
+ *
+ * @category Action
+ * @package Laconica
+ * @author Evan Prodromou <evan@controlyourself.ca>
+ * @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
+ * @link http://laconi.ca/
+ */
+class ConversationAction extends Action
+{
+ var $id = null;
+ var $notices = null;
+ var $page = null;
+
+ /**
+ * Initialization.
+ *
+ * @param array $args Web and URL arguments
+ *
+ * @return boolean false if id not passed in
+ */
+
+ function prepare($args)
+ {
+ parent::prepare($args);
+ $this->id = $this->trimmed('id');
+ if (!$this->id) {
+ return false;
+ }
+ $this->notices = $this->getNotices();
+ $this->page = $this->trimmed('page');
+ if (empty($this->page)) {
+ $this->page = 1;
+ }
+ return true;
+ }
+
+ /**
+ * Get notices
+ *
+ * @param integer $limit max number of notices to return
+ *
+ * @return array notices
+ */
+
+ function getNotices($limit=0)
+ {
+ $qry = 'SELECT notice.*, '.
+ 'FROM notice WHERE conversation = %d '.
+ 'ORDER BY created ';
+
+ $offset = 0;
+ $limit = NOTICES_PER_PAGE + 1;
+
+ if (common_config('db', 'type') == 'pgsql') {
+ $qry .= ' LIMIT ' . $limit . ' OFFSET ' . $offset;
+ } else {
+ $qry .= ' LIMIT ' . $offset . ', ' . $limit;
+ }
+
+ return Notice::getStream(sprintf($qry, $this->id),
+ 'notice:conversation:'.$this->id,
+ $offset, $limit);
+ }
+
+ function handle($args)
+ {
+ $this->showPage();
+ }
+
+ function title()
+ {
+ return _("Conversation");
+ }
+
+ function showContent()
+ {
+ // FIXME this needs to be a tree, not a list
+
+ $nl = new NoticeList($this->notices, $this);
+
+ $cnt = $nl->show();
+
+ $this->pagination($this->page > 1, $cnt > NOTICES_PER_PAGE,
+ $this->page, 'conversation', array('id' => $this->id));
+ }
+
+}
+