gnu-social/actions/featured.php

<?php
/*
 * 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); }

require_once(INSTALLDIR.'/lib/stream.php');
require_once(INSTALLDIR.'/lib/profilelist.php');

class FeaturedAction extends StreamAction {

	function handle($args) {
		parent::handle($args);

		$page = ($this->arg('page')) ? ($this->arg('page')+0) : 1;

		common_show_header(_('Featured users'),
						   array($this, 'show_header'), NULL,
						   array($this, 'show_top'));

		$this->show_notices($page);

		common_show_footer();
	}

	function show_top() {
		$instr = $this->get_instructions();
		$output = common_markup_to_html($instr);
		common_element_start('div', 'instructions');
		common_raw($output);
		common_element_end('div');
		$this->public_views_menu();
	}

	function show_header() {
	}

	function get_instructions() {
		return _('Featured users');
	}

	function show_notices($page) {

		// XXX: Note I'm doing it this two-stage way because a raw query
		// with a JOIN was *not* working. --Zach

		$featured_nicks = common_config('nickname', 'featured');

		if (count($featured_nicks) > 0) {

			$quoted = array();

			foreach ($featured_nicks as $nick) {
				$quoted[] = "'$nick'";
			}

			$user = new User;
			$user->whereAdd(sprintf('nickname IN (%s)', implode(',', $quoted)));
			$user->limit(($page - 1) * PROFILES_PER_PAGE, PROFILES_PER_PAGE + 1);
			$user->orderBy('user.nickname ASC');

			$user->find();

			$profile_ids = array();

			while ($user->fetch()) {
				$profile_ids[] = $user->id;
			}

			$profile = new Profile;
			$profile->whereAdd(sprintf('profile.id IN (%s)', implode(',', $profile_ids)));
			$profile->orderBy('nickname ASC');

			$cnt = $profile->find();

			if ($cnt > 0) {
				$featured = new ProfileList($profile);
				$featured->show_list();
			}

			$profile->free();

			common_pagination($page > 1, $cnt > PROFILES_PER_PAGE, $page, 'featured');
		}
	}

}