/**
* Intercept the usual page display and replace it with a
* blog template controlled one.
*
* @param Doku_Event $event event object by reference
* @param array $param empty array as passed to register_hook()
* @return void|bool
*/
function handle_tpl_act_render(Doku_Event $event, $param)
{
global $ID;
if ($event->data != 'show') {
return false;
}
$pid = md5($ID);
$this->entryhelper->load_by_pid($pid);
if ($this->entryhelper->get_blog() == '') {
return true;
}
// we can handle it
$event->preventDefault();
$this->commenthelper->setPid($pid);
$this->entryhelper->tpl_content($this->entryhelper->entry['blog'], 'entry');
return true;
}
/**
* Preprocesses a blog post as its added to the feed. Makes sure to
* remove the first header from the text (otherwise it would be doubled)
* and takes care of presentation as configured via template.
*
* @param Doku_Event $event the event as triggered in feed.php
* @param array $param empty
* @return void
*/
function handle_item_add(Doku_Event $event, $param)
{
$opt = $event->data['opt'];
$ditem = $event->data['ditem'];
if ($opt['feed_mode'] !== 'blogtng') {
return;
}
if ($opt['item_content'] !== 'html') {
return;
}
if ($opt['link_to'] !== 'current') {
return;
}
// don't add drafts to the feed
if (p_get_metadata($ditem['id'], 'type') == 'draft') {
$event->preventDefault();
return;
}
// retrieve first heading from page instructions
$ins = p_cached_instructions(wikiFN($ditem['id']));
$headers = array_filter($ins, array($this, '_filterHeaders'));
$headingIns = array_shift($headers);
$firstheading = $headingIns[1][0];
$this->entryhelper->load_by_row($ditem['entry']);
ob_start();
$this->entryhelper->tpl_content($ditem['entry']['blog'], 'feed');
$output = ob_get_contents();
ob_end_clean();
// make URLs work when canonical is not set, regexp instead of rerendering!
global $conf;
if (!$conf['canonical']) {
$base = preg_quote(DOKU_REL, '/');
$output = preg_replace('/(<a href|<img src)="(' . $base . ')/s', '$1="' . DOKU_URL, $output);
}
// strip first heading and replace item title
$event->data['item']->description = preg_replace('#[^\\n]*?>\\s*?' . preg_quote(hsc($firstheading), '#') . '\\s*?<.*\\n#', '', $output, 1);
$event->data['item']->title = $ditem['entry']['title'];
//only supported by RSS 0.91 and RSS 2.0
if ($ditem['entry']['commentstatus'] !== 'disabled') {
$event->data['item']->comments = $event->data['item']->link . '#the__comments';
}
}
