/**
* Checks all stages other than the current stage, and check the visibility
* of assets attached to those records.
*
* @param AssetManipulationList $manipulation Set of manipulations to add assets to
*/
protected function addAssetsFromOtherStages(AssetManipulationList $manipulation)
{
// Skip unversioned or unsaved assets
if (!$this->isVersioned() || !$this->owner->isInDB()) {
return;
}
// Unauthenticated member to use for checking visibility
$baseClass = $this->owner->baseClass();
$baseTable = $this->owner->baseTable();
$filter = array("\"{$baseTable}\".\"ID\"" => $this->owner->ID);
$stages = $this->owner->getVersionedStages();
// {@see Versioned::getVersionedStages}
foreach ($stages as $stage) {
// Skip current stage; These should be handled explicitly
if ($stage === Versioned::get_stage()) {
continue;
}
// Check if record exists in this stage
$record = Versioned::get_one_by_stage($baseClass, $stage, $filter);
if (!$record) {
continue;
}
// Check visibility of this record, and record all attached assets
$state = $this->getRecordState($record);
$this->addAssetsFromRecord($manipulation, $record, $state);
}
}
/**
* Update filesystem of all children
*/
public function updateChildFilesystem()
{
// Don't synchronise on live (rely on publishing instead)
if (Versioned::get_stage() === Versioned::LIVE) {
return;
}
$this->flushCache();
// Writing this record should trigger a write (and potential updateFilesystem) on each child
foreach ($this->AllChildren() as $child) {
$child->write();
}
}
/**
* This will check if the parent record and/or name do not match the name on the underlying
* DBFile record, and if so, copy this file to the new location, and update the record to
* point to this new file.
*
* This method will update the File {@see DBFile} field value on success, so it must be called
* before writing to the database
*
* @return bool True if changed
*/
public function updateFilesystem()
{
if (!$this->config()->update_filesystem) {
return false;
}
// Check the file exists
if (!$this->File->exists()) {
return false;
}
// Avoid moving files on live; Rely on this being done on stage prior to publish.
if (Versioned::get_stage() !== Versioned::DRAFT) {
return false;
}
// Check path updated record will point to
// If no changes necessary, skip
$pathBefore = $this->File->getFilename();
$pathAfter = $this->generateFilename();
if ($pathAfter === $pathBefore) {
return false;
}
// Copy record to new location via stream
$stream = $this->File->getStream();
$this->File->setFromStream($stream, $pathAfter);
return true;
}
/**
* Choose the stage the site is currently on.
*
* If $_GET['stage'] is set, then it will use that stage, and store it in
* the session.
*
* if $_GET['archiveDate'] is set, it will use that date, and store it in
* the session.
*
* If neither of these are set, it checks the session, otherwise the stage
* is set to 'Live'.
*/
public static function choose_site_stage()
{
// Check any pre-existing session mode
$preexistingMode = Session::get('readingMode');
// Determine the reading mode
if (isset($_GET['stage'])) {
$stage = ucfirst(strtolower($_GET['stage']));
if (!in_array($stage, array(static::DRAFT, static::LIVE))) {
$stage = static::LIVE;
}
$mode = 'Stage.' . $stage;
} elseif (isset($_GET['archiveDate']) && strtotime($_GET['archiveDate'])) {
$mode = 'Archive.' . $_GET['archiveDate'];
} elseif ($preexistingMode) {
$mode = $preexistingMode;
} else {
$mode = static::DEFAULT_MODE;
}
// Save reading mode
Versioned::set_reading_mode($mode);
// Try not to store the mode in the session if not needed
if ($preexistingMode && $preexistingMode !== $mode || !$preexistingMode && $mode !== static::DEFAULT_MODE) {
Session::set('readingMode', $mode);
}
if (!headers_sent() && !Director::is_cli()) {
if (Versioned::get_stage() == 'Live') {
// clear the cookie if it's set
if (Cookie::get('bypassStaticCache')) {
Cookie::force_expiry('bypassStaticCache', null, null, false, true);
}
} else {
// set the cookie if it's cleared
if (!Cookie::get('bypassStaticCache')) {
Cookie::set('bypassStaticCache', '1', 0, null, null, false, true);
}
}
}
}
