/**
* @param array $data
*
* @return FrontMatter
*/
public function transform(array $data)
{
$frontMatter = new FrontMatter();
foreach ($data as $key => $value) {
if ($taxonomy = $this->getTaxonomyByKey($key)) {
$terms = $this->getTerms($taxonomy, $value);
$frontMatter->addTerms($terms);
}
if ($isProperty = $this->keyIsFrontMatterProperty($frontMatter, $key)) {
$setter = 'set' . ucfirst($key);
if ('date' === $key) {
$value = $this->convertToDateTime($value);
}
$frontMatter->{$setter}($value);
}
# Metadata is arbitrary data an author wants
# to have available in the view as a variable.
$isMetadata = is_null($taxonomy) && false === $isProperty;
if ($isMetadata) {
$frontMatter->setMeta($key, $value);
}
}
return $frontMatter;
}
/**
* @return ArrayCollection
*/
public function getMetadata()
{
return $this->frontMatter->getAllMetadata();
}
