/**
* Hydrate attachment data for a block
*
* @param array $attachmentData
* @param SitePageBlock $block
* @param ErrorStore $errorStore
* @return bool true on success, false on error
*/
private function hydrateAttachments(array $attachmentData, SitePageBlock $block, ErrorStore $errorStore)
{
$itemAdapter = $this->getAdapter('items');
$attachments = $block->getAttachments();
$existingAttachments = $attachments->toArray();
$newAttachments = [];
$position = 1;
foreach ($attachmentData as $inputAttachment) {
if (!is_array($inputAttachment)) {
continue;
}
$attachment = current($existingAttachments);
if ($attachment === false) {
$attachment = new SiteBlockAttachment();
$attachment->setBlock($block);
$newAttachments[] = $attachment;
} else {
// Null out values as we re-use them
$existingAttachments[key($existingAttachments)] = null;
next($existingAttachments);
}
try {
$item = $itemAdapter->findEntity($inputAttachment['o:item']['o:id']);
} catch (NotFoundException $e) {
$item = null;
}
if ($item && isset($inputAttachment['o:media']['o:id'])) {
$itemMedia = $item->getMedia();
$media = $itemMedia->get($inputAttachment['o:media']['o:id']);
} else {
$media = null;
}
$caption = isset($inputAttachment['o:caption']) ? $inputAttachment['o:caption'] : '';
$purifier = $this->getServiceLocator()->get('Omeka\\HtmlPurifier');
$caption = $purifier->purify($caption);
$attachment->setItem($item);
$attachment->setMedia($media);
$attachment->setCaption($caption);
$attachment->setPosition($position++);
}
// Remove any blocks that weren't reused
foreach ($existingAttachments as $key => $existingAttachment) {
if ($existingAttachment !== null) {
$attachments->remove($key);
}
}
// Add any new blocks that had to be created
foreach ($newAttachments as $newAttachment) {
$attachments->add($newAttachment);
}
return true;
}
/**
* {@inheritDoc}
*/
public function setItem(\Omeka\Entity\Item $item = NULL)
{
$this->__initializer__ && $this->__initializer__->__invoke($this, 'setItem', array($item));
return parent::setItem($item);
}