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