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Copy pathDraft.php
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168 lines (154 loc) · 4.09 KB
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<?php
namespace dokuwiki;
use dokuwiki\Extension\Event;
/**
* Class Draft
*
* @package dokuwiki
*/
class Draft
{
protected $errors = [];
protected $cname;
protected $id;
protected $client;
/**
* Draft constructor.
*
* @param string $ID the page id for this draft
* @param string $client the client identification (username or ip or similar) for this draft
*/
public function __construct($ID, $client)
{
$this->id = $ID;
$this->client = $client;
$this->cname = getCacheName("$client\n$ID", '.draft');
if (file_exists($this->cname) && file_exists(wikiFN($ID))) {
if (filemtime($this->cname) < filemtime(wikiFN($ID))) {
// remove stale draft
$this->deleteDraft();
}
}
}
/**
* Get the filename for this draft (whether or not it exists)
*
* @return string
*/
public function getDraftFilename()
{
return $this->cname;
}
/**
* Checks if this draft exists on the filesystem
*
* @return bool
*/
public function isDraftAvailable()
{
return file_exists($this->cname);
}
/**
* Save a draft of a current edit session
*
* The draft will not be saved if
* - drafts are deactivated in the config
* - or the editarea is empty and there are no event handlers registered
* - or the event is prevented
*
* @triggers DRAFT_SAVE
*
* @return bool whether has the draft been saved
*/
public function saveDraft()
{
global $INPUT, $INFO, $EVENT_HANDLER, $conf;
if (!$conf['usedraft']) {
return false;
}
if (
!$INPUT->post->has('wikitext') &&
!$EVENT_HANDLER->hasHandlerForEvent('DRAFT_SAVE')
) {
return false;
}
$draft = [
'id' => $this->id,
'prefix' => substr($INPUT->post->str('prefix'), 0, -1),
'text' => $INPUT->post->str('wikitext'),
'suffix' => $INPUT->post->str('suffix'),
'date' => $INPUT->post->int('date'),
'client' => $this->client,
'cname' => $this->cname,
'errors' => [],
];
$event = new Event('DRAFT_SAVE', $draft);
if ($event->advise_before()) {
$draft['hasBeenSaved'] = io_saveFile($draft['cname'], serialize($draft));
if ($draft['hasBeenSaved']) {
$INFO['draft'] = $draft['cname'];
}
} else {
$draft['hasBeenSaved'] = false;
}
$event->advise_after();
$this->errors = $draft['errors'];
return $draft['hasBeenSaved'];
}
/**
* Get the text from the draft file
*
* @throws \RuntimeException if the draft file doesn't exist
*
* @return string
*/
public function getDraftText()
{
if (!file_exists($this->cname)) {
throw new \RuntimeException(
"Draft for page $this->id and user $this->client doesn't exist at $this->cname."
);
}
$draft = unserialize(io_readFile($this->cname, false));
return cleanText(con($draft['prefix'], $draft['text'], $draft['suffix'], true));
}
/**
* Remove the draft from the filesystem
*
* Also sets $INFO['draft'] to null
*/
public function deleteDraft()
{
global $INFO;
@unlink($this->cname);
$INFO['draft'] = null;
}
/**
* Get a formatted message stating when the draft was saved
*
* @return string
*/
public function getDraftMessage()
{
global $lang;
return $lang['draftdate'] . ' ' . dformat(filemtime($this->cname));
}
/**
* Retrieve the errors that occured when saving the draft
*
* @return array
*/
public function getErrors()
{
return $this->errors;
}
/**
* Get the timestamp when this draft was saved
*
* @return int
*/
public function getDraftDate()
{
return filemtime($this->cname);
}
}