/**
* Processes the feed and rebuilds an array based on the feeds type (RSS, RDF, Atom).
*
* @param HttpSocketResponse $response
* @param array $query
* @param string $source
* @return bool
*/
protected function _process(HttpSocketResponse $response, $query, $source)
{
if (!$response->isOk()) {
return array();
}
$feed = TypeConverter::toArray($response->body());
$clean = array();
if (!empty($query['root']) && !empty($feed[$query['feed']['root']])) {
$items = $feed[$query['feed']['root']];
} else {
// RSS
if (isset($feed['channel']) && isset($feed['channel']['item'])) {
$items = $feed['channel']['item'];
// RDF
} else {
if (isset($feed['item'])) {
$items = $feed['item'];
// Atom
} else {
if (isset($feed['entry'])) {
$items = $feed['entry'];
// XML
} else {
$items = $feed;
}
}
}
}
if (empty($items) || !is_array($items)) {
return $clean;
}
// Gather elements
$elements = array('title' => array('title'), 'guid' => array('guid', 'id'), 'date' => array('date', 'pubDate', 'published', 'updated'), 'link' => array('link', 'origLink'), 'image' => array('image', 'thumbnail', 'enclosure'), 'author' => array('author', 'writer', 'editor', 'user'), 'source' => array('source'), 'description' => array('description', 'desc', 'summary', 'content', 'text'));
if (is_array($query['fields'])) {
$elements = array_merge_recursive($elements, $query['fields']);
}
// Loop the feed
foreach ($items as $item) {
$data = array();
foreach ($elements as $element => $keys) {
if (isset($keys['attributes'])) {
$attributes = $keys['attributes'];
unset($keys['attributes']);
} else {
$attributes = array('value', 'href', 'src', 'name', 'label', 'url');
}
if (isset($keys['keys'])) {
$keys = $keys['keys'];
}
foreach ($keys as $key) {
if (isset($item[$key]) && empty($data[$element])) {
if ($value = $this->_extract($item[$key], $attributes)) {
$data[$element] = $value;
break;
}
}
}
}
if (empty($data['link'])) {
trigger_error(sprintf('Feed %s does not have a valid link element', $source), E_USER_NOTICE);
continue;
}
if (empty($data['source']) && $source) {
$data['source'] = (string) $source;
}
// Determine how to sort
$sortBy = $query['feed']['sort'];
if (isset($data[$sortBy])) {
$sort = $data[$sortBy];
} else {
if (isset($data['date'])) {
$sort = $data['date'];
} else {
$sort = null;
}
}
if ($sortBy === 'date' && $sort) {
$sort = strtotime($sort);
} else {
if (!$sort) {
$sort = microtime();
}
}
if ($data) {
$clean[$sort] = $data;
}
}
return $clean;
}
/**
* Parse a json string into a usable php structure
*/
private function normalizeFromZohoJson($name, $config, $input = '')
{
$doc = json_decode($this->filedata[$name]);
if (empty($doc)) {
if ($this->debug_mode) {
dump('empty $doc');
dump($doc);
}
die;
}
if ($config['on_console']) {
$on_console = $config['on_console'];
} else {
$on_console = false;
}
$items = TypeConverter::toArray($doc);
// get down into the root element
$root = $config['target']['mapping']['root'];
$elements = split('\\.', $root);
if ($elements[0] == 'response' && !$items['response']) {
array_shift($elements);
}
if (array_key_exists('nodata', $items['response']) && is_array($items['response']['nodata'])) {
$this->resourcedata[$name] = 'nodata';
return $doc;
}
foreach ($elements as $elm) {
$items = $items[$elm];
}
if (empty($items)) {
if ($this->debug_mode) {
dump('empty $items');
dump($doc);
dump($items);
}
die;
}
// Modify deep nested json objects
$test = reset($items);
if (!is_array($test)) {
foreach ($items as $rawzohoitem) {
if (isset($rawzohoitem->FL) && is_array($rawzohoitem->FL)) {
$currentrow = $rawzohoitem->FL;
foreach ($currentrow as $rowitem) {
$outrow[$rowitem->val] = $rowitem->content;
}
}
$outrows[] = $outrow;
unset($outrow);
}
}
$this->resourcedata[$name] = $outrows;
return $doc;
}
