$this->getRev()];
break;
case 'rev':
$opt = ['rev' => $this->getRev(), 'do' => 'revisions'];
break;
case 'current':
$opt = [];
break;
case 'diff':
default:
$opt = ['rev' => $this->getRev(), 'do' => 'diff'];
}
return wl($this->getId(), $opt, true, '&');
}
/** @inheritdoc */
public function getBody($content)
{
global $lang;
switch ($content) {
case 'diff':
$diff = $this->getDiff();
// note: diff output must be escaped, UnifiedDiffFormatter provides plain text
$udf = new UnifiedDiffFormatter();
return "\n" . hsc($udf->format($diff)) . "\n
";
case 'htmldiff':
$diff = $this->getDiff();
// note: no need to escape diff output, TableDiffFormatter provides 'safe' html
$tdf = new TableDiffFormatter();
$content = '';
$content .= '| ' . dformat($this->getPrev()) . ' | ';
$content .= '' . $lang['current'] . ' |
|---|
';
$content .= $tdf->format($diff);
$content .= '
';
return $content;
case 'html':
if ($this->isExisting()) {
$html = p_wiki_xhtml($this->getId(), '', false);
} else {
$html = p_wiki_xhtml($this->getId(), $this->getRev(), false);
}
return $this->cleanHTML($html);
case 'abstract':
default:
return $this->getAbstract();
}
}
/** @inheritdoc */
public function getCategory()
{
$meta = $this->getMetaData();
return (array)($meta['subject'] ?? (string)getNS($this->getId()));
}
// endregion
// region data accessors
/**
* Get the page abstract
*
* @return string
*/
public function getAbstract()
{
if (!isset($this->data['abstract'])) {
$meta = $this->getMetaData();
if (isset($meta['description']['abstract'])) {
$this->data['abstract'] = (string)$meta['description']['abstract'];
} else {
$this->data['abstract'] = '';
}
}
return $this->data['abstract'];
}
/** @inheritdoc */
public function getRev()
{
$rev = parent::getRev();
if ($rev) return $rev;
if (page_exists($this->id)) {
$this->data['rev'] = filemtime(wikiFN($this->id));
$this->data['exists'] = true;
} else {
$this->loadRevisions();
}
return $this->data['rev'];
}
/**
* Get the previous revision timestamp of this page
*
* @return int|null The previous revision or null if there is none
*/
public function getPrev()
{
if ($this->data['prev'] ?? 0) return $this->data['prev'];
$this->loadRevisions();
return $this->data['prev'];
}
/**
* Does this page exist?
*
* @return bool
*/
public function isExisting()
{
if (!isset($this->data['exists'])) {
$this->data['exists'] = page_exists($this->id);
}
return $this->data['exists'];
}
/**
* Get the title of this page
*
* @return string
*/
public function getTitle()
{
global $conf;
if (!isset($this->data['title'])) {
if ($conf['useheading']) {
$this->data['title'] = p_get_first_heading($this->id);
} else {
$this->data['title'] = noNS($this->id);
}
}
return $this->data['title'];
}
// endregion
/**
* Get the metadata of this page
*
* @return array[]
*/
protected function getMetaData()
{
if (!isset($this->meta)) {
$this->meta = (array)p_get_metadata($this->id);
}
return $this->meta;
}
/**
* Load the current and previous revision from the changelog
* @return void
*/
protected function loadRevisions()
{
$changelog = new PageChangeLog($this->id);
$revs = $changelog->getRevisions(-1, 2);
if (!isset($this->data['rev'])) {
// prefer an already set date, only set if missing
// it should usally not happen that neither is available
$this->data['rev'] = $revs[0] ?? 0;
}
// a previous revision might not exist
$this->data['prev'] = $revs[1] ?? null;
}
/**
* Get a diff between this and the previous revision
*
* @return Diff
*/
protected function getDiff()
{
$prev = $this->getPrev();
if ($prev) {
return new Diff(
explode("\n", rawWiki($this->getId(), $prev)),
explode("\n", rawWiki($this->getId(), ''))
);
}
return new Diff([''], explode("\n", rawWiki($this->getId(), '')));
}
}