<?php
/**
* StatusNet, the distributed open-source microblogging tool
*
* Show a single notice
*
* 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 StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2008-2009 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*/
if (!defined('STATUSNET') && !defined('LACONICA')) {
exit(1);
}
require_once INSTALLDIR.'/lib/personalgroupnav.php';
require_once INSTALLDIR.'/lib/noticelist.php';
require_once INSTALLDIR.'/lib/feedlist.php';
/**
* Show a single notice
*
* @category Personal
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*/
class ShownoticeAction extends OwnerDesignAction
{
/**
* Notice object to show
*/
var $notice = null;
/**
* Profile of the notice object
*/
var $profile = null;
/**
* Avatar of the profile of the notice object
*/
var $avatar = null;
/**
* Load attributes based on database arguments
*
* Loads all the DB stuff
*
* @param array $args $_REQUEST array
*
* @return success flag
*/
function prepare($args)
{
parent::prepare($args);
$id = $this->arg('notice');
$this->notice = Notice::staticGet($id);
if (empty($this->notice)) {
// Did we used to have it, and it got deleted?
$deleted = Deleted_notice::staticGet($id);
if (!empty($deleted)) {
$this->clientError(_('Notice deleted.'), 410);
} else {
$this->clientError(_('No such notice.'), 404);
}
return false;
}
$this->profile = $this->notice->getProfile();
if (empty($this->profile)) {
$this->serverError(_('Notice has no profile.'), 500);
return false;
}
$this->user = User::staticGet('id', $this->profile->id);
$this->avatar = $this->profile->getAvatar(AVATAR_PROFILE_SIZE);
return true;
}
/**
* Is this action read-only?
*
* @return boolean true
*/
function isReadOnly($args)
{
return true;
}
/**
* Last-modified date for page
*
* When was the content of this page last modified? Based on notice,
* profile, avatar.
*
* @return int last-modified date as unix timestamp
*/
function lastModified()
{
return max(strtotime($this->notice->modified),
strtotime($this->profile->modified),
($this->avatar) ? strtotime($this->avatar->modified) : 0);
}
/**
* An entity tag for this page
*
* Shows the ETag for the page, based on the notice ID and timestamps
* for the notice, profile, and avatar. It's weak, since we change
* the date text "one hour ago", etc.
*
* @return string etag
*/
function etag()
{
$avtime = ($this->avatar) ?
strtotime($this->avatar->modified) : 0;
return 'W/"' . implode(':', array($this->arg('action'),
common_user_cache_hash(),
common_language(),
$this->notice->id,
strtotime($this->notice->created),
strtotime($this->profile->modified),
$avtime)) . '"';
}
/**
* Title of the page
*
* @return string title of the page
*/
function title()
{
$base = $this->profile->getFancyName();
return sprintf(_('%1$s\'s status on %2$s'),
$base,
common_exact_date($this->notice->created));
}
/**
* Handle input
*
* Only handles get, so just show the page.
*
* @param array $args $_REQUEST data (unused)
*
* @return void
*/
function handle($args)
{
parent::handle($args);
if ($this->notice->is_local == Notice::REMOTE_OMB) {
if (!empty($this->notice->url)) {
$target = $this->notice->url;
} else if (!empty($this->notice->uri) && preg_match('/^https?:/', $this->notice->uri)) {
// Old OMB posts saved the remote URL only into the URI field.
$target = $this->notice->uri;
} else {
// Shouldn't happen.
$target = false;
}
if ($target && $target != $this->selfUrl()) {
common_redirect($target, 301);
return false;
}
}
$this->showPage();
}
/**
* Don't show local navigation
*
* @return void
*/
function showLocalNavBlock()
{
}
/**
* Fill the content area of the page
*
* Shows a single notice list item.
*
* @return void
*/
function showContent()
{
$this->elementStart('ol', array('class' => 'notices xoxo'));
$nli = new SingleNoticeItem($this->notice, $this);
$nli->show();
$this->elementEnd('ol');
}
/**
* Don't show page notice
*
* @return void
*/
function showPageNoticeBlock()
{
}
/**
* Don't show aside
*
* @return void
*/
function showAside() {
}
/**
* Extra <head> content
*
* We show the microid(s) for the author, if any.
*
* @return void
*/
function extraHead()
{
$user = User::staticGet($this->profile->id);
if (!$user) {
return;
}
if ($user->emailmicroid && $user->email && $this->notice->uri) {
$id = new Microid('mailto:'. $user->email,
$this->notice->uri);
$this->element('meta', array('name' => 'microid',
'content' => $id->toString()));
}
if ($user->jabbermicroid && $user->jabber && $this->notice->uri) {
$id = new Microid('xmpp:', $user->jabber,
$this->notice->uri);
$this->element('meta', array('name' => 'microid',
'content' => $id->toString()));
}
$this->element('link',array('rel'=>'alternate',
'type'=>'application/json+oembed',
'href'=>common_local_url(
'oembed',
array(),
array('format'=>'json','url'=>$this->notice->uri)),
'title'=>'oEmbed'),null);
$this->element('link',array('rel'=>'alternate',
'type'=>'text/xml+oembed',
'href'=>common_local_url(
'oembed',
array(),
array('format'=>'xml','url'=>$this->notice->uri)),
'title'=>'oEmbed'),null);
// Extras to aid in sharing notices to Facebook
$avatar = $this->profile->getAvatar(AVATAR_PROFILE_SIZE);
$avatarUrl = ($avatar) ?
$avatar->displayUrl() :
Avatar::defaultImage(AVATAR_PROFILE_SIZE);
$this->element('meta', array('property' => 'og:image',
'content' => $avatarUrl));
$this->element('meta', array('property' => 'og:description',
'content' => $this->notice->content));
}
}
class SingleNoticeItem extends DoFollowListItem
{
/**
* recipe function for displaying a single notice.
*
* We overload to show attachments.
*
* @return void
*/
function show()
{
$this->showStart();
if (Event::handle('StartShowNoticeItem', array($this))) {
$this->showNotice();
$this->showNoticeAttachments();
$this->showNoticeInfo();
$this->showNoticeOptions();
Event::handle('EndShowNoticeItem', array($this));
}
$this->showEnd();
}
/**
* For our zoomed-in special case we'll use a fuller list
* for the attachment info.
*/
function showNoticeAttachments() {
$al = new AttachmentList($this->notice, $this->out);
$al->show();
}
/**
* show the avatar of the notice's author
*
* We use the larger size for single notice page.
*
* @return void
*/
function showAvatar()
{
$avatar_size = AVATAR_PROFILE_SIZE;
$avatar = $this->profile->getAvatar($avatar_size);
$this->out->element('img', array('src' => ($avatar) ?
$avatar->displayUrl() :
Avatar::defaultImage($avatar_size),
'class' => 'avatar photo',
'width' => $avatar_size,
'height' => $avatar_size,
'alt' =>
($this->profile->fullname) ?
$this->profile->fullname :
$this->profile->nickname));
}
}