gnu-social/actions/showstream.php

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<?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');
define('SUBSCRIPTIONS_PER_ROW', 4);
define('SUBSCRIPTIONS', 80);
class ShowstreamAction extends StreamAction {
function handle($args) {
parent::handle($args);
$nickname = common_canonical_nickname($this->arg('nickname'));
$user = User::staticGet('nickname', $nickname);
if (!$user) {
$this->no_such_user();
return;
}
$profile = $user->getProfile();
if (!$profile) {
common_server_error(_t('User record exists without profile.'));
return;
}
# Looks like we're good; start output
# For YADIS discovery, we also have a <meta> tag
header('X-XRDS-Location: '. common_local_url('xrds', array('nickname' =>
$user->nickname)));
common_show_header($profile->nickname,
array($this, 'show_header'), $user,
array($this, 'show_top'));
$this->show_profile($profile);
$this->show_notices($profile);
common_show_footer();
}
function show_top($user) {
$cur = common_current_user();
if ($cur && $cur->id == $user->id) {
common_notice_form('showstream');
}
$this->views_menu();
}
function show_header($user) {
common_element('link', array('rel' => 'alternate',
'href' => common_local_url('userrss', array('nickname' =>
$user->nickname)),
'type' => 'application/rss+xml',
'title' => _t('Notice feed for ') . $user->nickname));
common_element('link', array('rel' => 'meta',
'href' => common_local_url('foaf', array('nickname' =>
$user->nickname)),
'type' => 'application/rdf+xml',
'title' => 'FOAF'));
# for remote subscriptions etc.
common_element('meta', array('http-equiv' => 'X-XRDS-Location',
'content' => common_local_url('xrds', array('nickname' =>
$user->nickname))));
}
function no_such_user() {
common_user_error('No such user');
}
function show_profile($profile) {
common_element_start('div', array('id' => 'profile'));
$this->show_personal($profile);
$this->show_last_notice($profile);
$cur = common_current_user();
$this->show_subscriptions($profile);
common_element_end('div');
}
function show_personal($profile) {
$avatar = $profile->getAvatar(AVATAR_PROFILE_SIZE);
common_element_start('div', array('id' => 'profile_avatar'));
common_element('img', array('src' => ($avatar) ? $avatar->url : common_default_avatar(AVATAR_PROFILE_SIZE),
'class' => 'avatar profile',
'width' => AVATAR_PROFILE_SIZE,
'height' => AVATAR_PROFILE_SIZE,
'alt' => $profile->nickname));
$cur = common_current_user();
if ($cur) {
if ($cur->id != $profile->id) {
if ($cur->isSubscribed($profile)) {
$this->show_unsubscribe_form($profile);
} else {
$this->show_subscribe_form($profile);
}
}
} else {
$this->show_remote_subscribe_form($profile);
}
common_element_end('div');
common_element_start('div', array('id' => 'profile_information'));
if ($profile->fullname) {
common_element('h1', NULL, $profile->fullname);
}
if ($profile->location) {
common_element('p', 'location', $profile->location);
}
if ($profile->bio) {
common_element('p', 'description', htmlspecialchars($profile->bio));
}
if ($profile->homepage) {
common_element_start('p', 'website');
common_element('a', array('href' => $profile->homepage),
$profile->homepage);
common_element_end('p');
}
$this->show_statistics($profile);
common_element_end('div');
}
function show_subscribe_form($profile) {
common_element_start('form', array('id' => 'subscribe', 'method' => 'POST',
'action' => common_local_url('subscribe')));
common_element('input', array('id' => 'subscribeto',
'name' => 'subscribeto',
'type' => 'hidden',
'value' => $profile->nickname));
common_element('input', array('type' => 'submit',
'class' => 'submit',
'value' => _t('Subscribe')));
common_element_end('form');
}
function show_remote_subscribe_form($profile) {
common_element_start('form', array('id' => 'remotesubscribe',
'method' => 'POST',
'action' => common_local_url('remotesubscribe')));
common_hidden('nickname', $profile->nickname);
common_element('input', array('name' => 'profile_url',
'type' => 'text',
'id' => 'profile_url',
'size' => '15'));
common_element('input', array('type' => 'submit',
'id' => 'submit',
'name' => 'submit',
'value' => _t('Subscribe'),
'class' => 'submit'));
common_element_end('form');
}
function show_unsubscribe_form($profile) {
common_element_start('form', array('id' => 'unsubscribe', 'method' => 'POST',
'action' => common_local_url('unsubscribe')));
common_element('input', array('id' => 'unsubscribeto',
'name' => 'unsubscribeto',
'type' => 'hidden',
'value' => $profile->nickname));
common_element('input', array('type' => 'submit',
'class' => 'submit',
'value' => _t('Unsubscribe')));
common_element_end('form');
}
function show_subscriptions($profile) {
global $config;
$subs = DB_DataObject::factory('subscription');
$subs->subscriber = $profile->id;
$subs->orderBy('created DESC');
# We ask for an extra one to know if we need to do another page
$subs->limit(0, SUBSCRIPTIONS + 1);
$subs_count = $subs->find();
common_element_start('div', array('id' => 'subscriptions'));
common_element('h2', NULL, _t('Subscriptions'));
if ($subs_count > 0) {
common_element_start('ul', array('id' => 'subscriptions_avatars'));
for ($i = 0; $i < min($subs_count, SUBSCRIPTIONS); $i++) {
if (!$subs->fetch()) {
common_debug('Weirdly, broke out of subscriptions loop early', __FILE__);
break;
}
$other = Profile::staticGet($subs->subscribed);
common_element_start('li');
common_element_start('a', array('title' => ($other->fullname) ?
$other->fullname :
$other->nickname,
'href' => $other->profileurl,
'class' => 'subscription'));
$avatar = $other->getAvatar(AVATAR_MINI_SIZE);
common_element('img', array('src' => (($avatar) ? $avatar->url : common_default_avatar(AVATAR_MINI_SIZE)),
'width' => AVATAR_MINI_SIZE,
'height' => AVATAR_MINI_SIZE,
'class' => 'avatar mini',
'alt' => ($other->fullname) ?
$other->fullname :
$other->nickname));
common_element_end('a');
common_element_end('li');
}
common_element_end('ul');
}
if ($subs_count > SUBSCRIPTIONS) {
common_element_start('p', array('id' => 'subscriptions_viewall'));
common_element('a', array('href' => common_local_url('subscriptions',
array('nickname' => $profile->nickname)),
'class' => 'moresubscriptions'),
_t('All subscriptions'));
common_element_end('p');
}
common_element_end('div');
}
function show_statistics($profile) {
// XXX: WORM cache this
$subs = DB_DataObject::factory('subscription');
$subs->subscriber = $profile->id;
$subs_count = (int) $subs->count();
$subbed = DB_DataObject::factory('subscription');
$subbed->subscribed = $profile->id;
$subbed_count = (int) $subbed->count();
$notices = DB_DataObject::factory('notice');
$notices->profile_id = $profile->id;
$notice_count = (int) $notices->count();
common_element_start('div', 'statistics');
common_element('h2', 'statistics', _t('Statistics'));
# Other stats...?
common_element_start('dl', 'statistics');
common_element_start('dt', 'subscriptions');
common_element('a', array('href' => common_local_url('subscriptions',
array('nickname' => $profile->nickname))),
_t('Subscriptions'));
common_element_end('dt');
common_element('dd', 'subscriptions', $subs_count);
common_element_start('dt', 'subscribers');
common_element('a', array('href' => common_local_url('subscribers',
array('nickname' => $profile->nickname))),
_t('Subscribers'));
common_element_end('dt');
common_element('dd', 'subscribers', $subbed_count);
common_element('dt', 'notices', _t('Notices'));
common_element('dd', 'notices', $notice_count);
common_element_end('dl');
common_element_end('div');
}
function show_notices($profile) {
$notice = DB_DataObject::factory('notice');
$notice->profile_id = $profile->id;
$notice->orderBy('created DESC');
$page = ($this->arg('page')) ? ($this->arg('page')+0) : 1;
$notice->limit((($page-1)*NOTICES_PER_PAGE), NOTICES_PER_PAGE + 1);
$cnt = $notice->find();
if ($cnt > 0) {
common_element_start('ul', array('id' => 'notices'));
for ($i = 0; $i < min($cnt, NOTICES_PER_PAGE); $i++) {
if ($notice->fetch()) {
$this->show_notice($notice);
} else {
// shouldn't happen!
break;
}
}
common_element_end('ul');
}
common_pagination($page>1, $cnt>NOTICES_PER_PAGE, $page,
'showstream', array('nickname' => $profile->nickname));
}
function show_last_notice($profile) {
common_element('h2', NULL, _t('Currently'));
$notice = DB_DataObject::factory('notice');
$notice->profile_id = $profile->id;
$notice->orderBy('created DESC');
$notice->limit(0, 1);
if ($notice->find(true)) {
# FIXME: URL, image, video, audio
common_element_start('p', array('class' => 'notice_current'));
common_raw(common_render_content($notice->content, $notice));
common_element_end('p');
}
}
function show_notice($notice) {
$profile = $notice->getProfile();
# XXX: RDFa
common_element_start('li', array('class' => 'notice_single',
'id' => 'notice-' . $notice->id));
$noticeurl = common_local_url('shownotice', array('notice' => $notice->id));
# FIXME: URL, image, video, audio
common_element_start('p');
common_raw(common_render_content($notice->content, $notice));
common_element_end('p');
common_element_start('p', array('class' => 'time'));
common_element('a', array('class' => 'notice',
'href' => $noticeurl),
common_date_string($notice->created));
common_element_end('p');
common_element_end('li');
}
}