<?php
/**
 * Laconica, the distributed open-source microblogging tool
 *
 * User profile page
 *
 * 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  Personal
 * @package   Laconica
 * @author    Evan Prodromou <evan@controlyourself.ca>
 * @author    Sarven Capadisli <csarven@controlyourself.ca>
 * @copyright 2008-2009 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);
}

require_once INSTALLDIR.'/lib/subsgroupnav.php';

/**
 * User profile page
 *
 * When I created this page, "show stream" seemed like the best name for it.
 * Now, it seems like a really bad name.
 *
 * It shows a stream of the user's posts, plus lots of profile info, links
 * to subscriptions and stuff, etc.
 *
 * @category Personal
 * @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/
 */

if (!defined('LACONICA')) { exit(1); }

class SubscriptionsAction extends Action
{
    var $profile = null;
    var $user = null;
    var $page = null;

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

        // FIXME very similar code below

        $nickname_arg = $this->arg('nickname');
        $nickname = common_canonical_nickname($nickname_arg);

        // Permanent redirect on non-canonical nickname

        if ($nickname_arg != $nickname) {
            $args = array('nickname' => $nickname);
            if ($this->arg('page') && $this->arg('page') != 1) {
                $args['page'] = $this->arg['page'];
            }
            common_redirect(common_local_url('subscriptions', $args), 301);
            return false;
        }

        $this->user = User::staticGet('nickname', $nickname);

        if (!$this->user) {
            $this->clientError(_('No such user.'), 404);
            return false;
        }

        $this->profile = $this->user->getProfile();

        if (!$this->profile) {
            $this->serverError(_('User has no profile.'));
            return false;
        }

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

        return true;
    }

    function isReadOnly()
    {
        return true;
    }

    function handle($args)
    {
        parent::handle($args);
        $this->showPage();
    }

    function title()
    {
        if ($this->page == 1) {
            return sprintf(_('%s subscriptions'), $this->user->nickname);
        } else {
            return sprintf(_('%s subscriptions, page %d'),
                           $this->user->nickname,
                           $this->page);
        }
    }

    function showPageNotice()
    {
        $user =& common_current_user();
        if ($user && ($user->id == $this->profile->id)) {
            $this->element('p', null,
                           _('These are the people whose notices '.
                             'you listen to.'));
        } else {
            $this->element('p', null,
                           sprintf(_('These are the people whose '.
                                     'notices %s listens to.'),
                                   $this->profile->nickname));
        }
    }

    function showLocalNav()
    {
        $nav = new SubGroupNav($this, $this->user);
        $nav->show();
    }

    function showContent()
    {
        $offset = ($this->page-1) * PROFILES_PER_PAGE;
        $limit =  PROFILES_PER_PAGE + 1;

        $subscriptions = $this->user->getSubscriptions($offset, $limit);

        if ($subs) {
            $subscriptions_list = new SubscriptionsList($subscriptions, null, $this);
            $subscriptions_list->show();
        }

        $subscriptions->free();

        $this->pagination($this->page > 1, $cnt > PROFILES_PER_PAGE,
                          $this->page, 'subscriptions',
                          array('nickname' => $this->user->nickname));
    }
}

class SubscriptionsList extends ProfileList
{
    function showOwnerControls($profile)
    {
        $sub = Subscription::pkeyGet(array('subscriber' => $this->owner->id,
                                           'subscribed' => $profile->id));
        if (!$sub) {
            return;
        }

        $this->elementStart('form', array('id' => 'subedit-' . $profile->id,
                                          'method' => 'post',
                                          'class' => 'subedit',
                                          'action' => common_local_url('subedit')));
        $this->hidden('token', common_session_token());
        $this->hidden('profile', $profile->id);
        $this->checkbox('jabber', _('Jabber'), $sub->jabber);
        $this->checkbox('sms', _('SMS'), $sub->sms);
        $this->submit('save', _('Save'));
        $this->elementEnd('form');
        return;
    }
}