/**
*
* Parse $xml and return array of blogs
* each element in that array is an array
* with keys: 'id', 'title' and 'url'
*
* @param string $xml xml returned by Blogger API
* in response to request https://www.blogger.com/feeds/default/blogs
* by an authenticated user (using OAuth credentials)
*
* @throws \Exception
*/
public function getBlogs($xml)
{
$aBlogs = array();
$XML = new \Lampcms\Dom\Document();
if (false === $XML->loadXML($xml)) {
$err = 'Unexpected Error parsing response XML';
throw new \Exception($err);
}
$xp = new \DOMXPath($XML);
$xp->registerNamespace('atom', "http://www.w3.org/2005/Atom");
$aParsed = $XML->getElementsByTagName('entry');
if (0 === $aParsed->length) {
e('Looks like user does not have any blogs: $xml: ' . $xml);
$err = 'Looks like you have Blogger account but do not have any blogs setup yet';
throw new \Exception($err);
}
foreach ($aParsed as $blog) {
$aBlog = array();
$aBlog['id'] = $this->getId($blog);
$aBlog['title'] = $blog->getElementsByTagName('title')->item(0)->nodeValue;
$r = $xp->query('atom:link[@type = "text/html"]/@href', $blog);
$aBlog['url'] = $r->length > 0 ? $r->item(0)->nodeValue : null;
if (!empty($aBlog['url']) && !empty($aBlog['id'])) {
$aBlogs[] = $aBlog;
}
}
return $aBlogs;
}
