/**
* Sets feed instance
*
* @param Feed $feed
*/
public function setFeed(Feed $feed)
{
$author = $feed->get('author');
if (empty($author)) {
throw new \InvalidArgumentException('Atom formatter requires an "author" parameter in configuration.');
}
$this->feed = $feed;
$this->initialize();
}
/**
* Construct a formatter with given feed
*
* @param Feed $feed A feed instance
*/
public function __construct(Feed $feed)
{
$this->fields = array(new Field('id', 'getFeedItemLink', array('cdata' => false)), new Field('title', 'getFeedItemTitle', array('cdata' => true)), new Field('summary', 'getFeedItemDescription', array('cdata' => true)), new Field('link', 'getFeedItemLink', array('attribute' => true, 'attribute_name' => 'href')), new Field('updated', 'getFeedItemPubDate', array('date_format' => \DateTime::ATOM)));
$author = $feed->get('author');
if (empty($author)) {
throw new \InvalidArgumentException('Atom formatter requires an "author" parameter in configuration.');
}
parent::__construct($feed);
$this->initialize();
}
/**
* Construct a formatter with given feed
*
* @param Feed $feed A feed instance
*/
public function __construct(Feed $feed)
{
$fields = $feed->getFields();
if (!empty($fields)) {
foreach ($fields as $field) {
$this->fields[] = $field;
}
}
$this->feed = $feed;
}
/**
* Return specified Feed instance if exists.
*
* @param string $feedName
*
* @throws \InvalidArgumentException
*
* @return Feed
*/
public function get($feedName)
{
if (!$this->has($feedName)) {
throw new \InvalidArgumentException(sprintf("Specified feed '%s' is not defined in your configuration.", $feedName));
}
if (!isset($this->feeds[$feedName])) {
$feed = new Feed($this->config['feeds'][$feedName], $this->formatters);
$feed->setRouter($this->router);
$this->feeds[$feedName] = $feed;
}
return $this->feeds[$feedName];
}
/**
* Adds channel fields to given channel
*
* @param \DOMElement $channel
*/
protected function addChannelFields(\DOMElement $channel)
{
foreach ($this->feed->getChannelFields() as $field) {
if ($field instanceof GroupChannelField) {
$parent = $this->dom->createElement($field->getName());
foreach ($field->getItemFields() as $childField) {
$child = $this->dom->createElement($childField->getName(), $childField->getValue());
$this->addAttributes($child, $childField);
$parent->appendChild($child);
}
} else {
$parent = $this->dom->createElement($field->getName(), $field->getValue());
}
$this->addAttributes($parent, $field);
$channel->appendChild($parent);
}
}
