/**
* Add recent changed pages to a feed object
*
* @author Andreas Gohr <*****@*****.**>
* @param FeedCreator $rss the FeedCreator Object
* @param array $data the items to add
* @param array $opt the feed options
*/
function rss_buildItems(&$rss, &$data, $opt)
{
global $conf;
global $lang;
/* @var auth_basic $auth */
global $auth;
$eventData = array('rss' => &$rss, 'data' => &$data, 'opt' => &$opt);
$event = new Doku_Event('FEED_DATA_PROCESS', $eventData);
if ($event->advise_before(false)) {
foreach ($data as $ditem) {
if (!is_array($ditem)) {
// not an array? then only a list of IDs was given
$ditem = array('id' => $ditem);
}
$item = new FeedItem();
$id = $ditem['id'];
if (!$ditem['media']) {
$meta = p_get_metadata($id);
} else {
$meta = array();
}
// add date
if ($ditem['date']) {
$date = $ditem['date'];
} elseif ($ditem['media']) {
$date = @filemtime(mediaFN($id));
} elseif (@file_exists(wikiFN($id))) {
$date = @filemtime(wikiFN($id));
} elseif ($meta['date']['modified']) {
$date = $meta['date']['modified'];
} else {
$date = 0;
}
if ($date) {
$item->date = date('r', $date);
}
// add title
if ($conf['useheading'] && $meta['title']) {
$item->title = $meta['title'];
} else {
$item->title = $ditem['id'];
}
if ($conf['rss_show_summary'] && !empty($ditem['sum'])) {
$item->title .= ' - ' . strip_tags($ditem['sum']);
}
// add item link
switch ($opt['link_to']) {
case 'page':
if ($ditem['media']) {
$item->link = media_managerURL(array('image' => $id, 'ns' => getNS($id), 'rev' => $date), '&', true);
} else {
$item->link = wl($id, 'rev=' . $date, true, '&');
}
break;
case 'rev':
if ($ditem['media']) {
$item->link = media_managerURL(array('image' => $id, 'ns' => getNS($id), 'rev' => $date, 'tab_details' => 'history'), '&', true);
} else {
$item->link = wl($id, 'do=revisions&rev=' . $date, true, '&');
}
break;
case 'current':
if ($ditem['media']) {
$item->link = media_managerURL(array('image' => $id, 'ns' => getNS($id)), '&', true);
} else {
$item->link = wl($id, '', true, '&');
}
break;
case 'diff':
default:
if ($ditem['media']) {
$item->link = media_managerURL(array('image' => $id, 'ns' => getNS($id), 'rev' => $date, 'tab_details' => 'history', 'mediado' => 'diff'), '&', true);
} else {
$item->link = wl($id, 'rev=' . $date . '&do=diff', true, '&');
}
}
// add item content
switch ($opt['item_content']) {
case 'diff':
case 'htmldiff':
if ($ditem['media']) {
$revs = getRevisions($id, 0, 1, 8192, true);
$rev = $revs[0];
$src_r = '';
$src_l = '';
if ($size = media_image_preview_size($id, false, new JpegMeta(mediaFN($id)), 300)) {
$more = 'w=' . $size[0] . '&h=' . $size[1] . 't=' . @filemtime(mediaFN($id));
$src_r = ml($id, $more);
}
if ($rev && ($size = media_image_preview_size($id, $rev, new JpegMeta(mediaFN($id, $rev)), 300))) {
$more = 'rev=' . $rev . '&w=' . $size[0] . '&h=' . $size[1];
$src_l = ml($id, $more);
}
$content = '';
if ($src_r) {
$content = '<table>';
$content .= '<tr><th width="50%">' . $rev . '</th>';
$content .= '<th width="50%">' . $lang['current'] . '</th></tr>';
$content .= '<tr align="center"><td><img src="' . $src_l . '" alt="" /></td><td>';
$content .= '<img src="' . $src_r . '" alt="' . $id . '" /></td></tr>';
$content .= '</table>';
}
} else {
require_once DOKU_INC . 'inc/DifferenceEngine.php';
$revs = getRevisions($id, 0, 1);
$rev = $revs[0];
if ($rev) {
$df = new Diff(explode("\n", rawWiki($id, $rev)), explode("\n", rawWiki($id, '')));
} else {
$df = new Diff(array(''), explode("\n", rawWiki($id, '')));
}
if ($opt['item_content'] == 'htmldiff') {
// note: no need to escape diff output, TableDiffFormatter provides 'safe' html
$tdf = new TableDiffFormatter();
$content = '<table>';
$content .= '<tr><th colspan="2" width="50%">' . $rev . '</th>';
$content .= '<th colspan="2" width="50%">' . $lang['current'] . '</th></tr>';
$content .= $tdf->format($df);
$content .= '</table>';
} else {
// note: diff output must be escaped, UnifiedDiffFormatter provides plain text
$udf = new UnifiedDiffFormatter();
$content = "<pre>\n" . hsc($udf->format($df)) . "\n</pre>";
}
}
break;
case 'html':
if ($ditem['media']) {
if ($size = media_image_preview_size($id, false, new JpegMeta(mediaFN($id)))) {
$more = 'w=' . $size[0] . '&h=' . $size[1] . 't=' . @filemtime(mediaFN($id));
$src = ml($id, $more);
$content = '<img src="' . $src . '" alt="' . $id . '" />';
} else {
$content = '';
}
} else {
if (@filemtime(wikiFN($id)) === $date) {
$content = p_wiki_xhtml($id, '', false);
} else {
$content = p_wiki_xhtml($id, $date, false);
}
// no TOC in feeds
$content = preg_replace('/(<!-- TOC START -->).*(<!-- TOC END -->)/s', '', $content);
// add alignment for images
$content = preg_replace('/(<img .*?class="medialeft")/s', '\\1 align="left"', $content);
$content = preg_replace('/(<img .*?class="mediaright")/s', '\\1 align="right"', $content);
// make URLs work when canonical is not set, regexp instead of rerendering!
if (!$conf['canonical']) {
$base = preg_quote(DOKU_REL, '/');
$content = preg_replace('/(<a href|<img src)="(' . $base . ')/s', '$1="' . DOKU_URL, $content);
}
}
break;
case 'abstract':
default:
if ($ditem['media']) {
if ($size = media_image_preview_size($id, false, new JpegMeta(mediaFN($id)))) {
$more = 'w=' . $size[0] . '&h=' . $size[1] . 't=' . @filemtime(mediaFN($id));
$src = ml($id, $more);
$content = '<img src="' . $src . '" alt="' . $id . '" />';
} else {
$content = '';
}
} else {
$content = $meta['description']['abstract'];
}
}
$item->description = $content;
//FIXME a plugin hook here could be senseful
// add user
# FIXME should the user be pulled from metadata as well?
$user = @$ditem['user'];
// the @ spares time repeating lookup
$item->author = '';
if ($user && $conf['useacl'] && $auth) {
$userInfo = $auth->getUserData($user);
if ($userInfo) {
switch ($conf['showuseras']) {
case 'username':
$item->author = $userInfo['name'];
break;
default:
$item->author = $user;
break;
}
} else {
$item->author = $user;
}
if ($userInfo && !$opt['guardmail']) {
$item->authorEmail = $userInfo['mail'];
} else {
//cannot obfuscate because some RSS readers may check validity
$item->authorEmail = $user . '@' . $ditem['ip'];
}
} elseif ($user) {
// this happens when no ACL but some Apache auth is used
$item->author = $user;
$item->authorEmail = $user . '@' . $ditem['ip'];
} else {
$item->authorEmail = 'anonymous@' . $ditem['ip'];
}
// add category
if (isset($meta['subject'])) {
$item->category = $meta['subject'];
} else {
$cat = getNS($id);
if ($cat) {
$item->category = $cat;
}
}
// finally add the item to the feed object, after handing it to registered plugins
$evdata = array('item' => &$item, 'opt' => &$opt, 'ditem' => &$ditem, 'rss' => &$rss);
$evt = new Doku_Event('FEED_ITEM_ADD', $evdata);
if ($evt->advise_before()) {
$rss->addItem($item);
}
$evt->advise_after();
// for completeness
}
}
$event->advise_after();
}
