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<?php
namespace Providers;
require_once('HtmlFeed.php');
require_once('Item.php');
class Facebook extends \Providers\HtmlFeed {
protected $_cacheTimeout = '5 minutes';
protected function _getCachePath() {
return '../cache/facebook.%s';
}
protected function _getFeedUrl($feed) {
return sprintf('https://m.facebook.com/%s', $feed);
}
protected function _parseFeedContent($tree) {
$items = [];
foreach ($tree->find('div[data-ft]') as $div) {
$data = json_decode($div->attr()['data-ft'], TRUE);
if (isset($data['mf_story_key'])) {
$pIns = $data['page_insights'][$data['page_id']];
$key = $data['mf_story_key'];
$texts = [];
foreach ($div->find('h3') as $h3) {
if (!$h3->find(sprintf('a[href^="/%s/"]', $this->_feed))->count() || $h3->find('a')->count() > 1) {
$texts[] = trim($h3->text());
}
}
foreach ($div->find('div>span p') as $p) {
$texts[] = trim(strip_tags($p->html()));
}
$items[$key] = [
'id' => $key,
'content' => $div->html(),
'texts' => $texts,
'time' => $pIns['post_context']['publish_time']
];
}
}
return array_values($items);
}
protected function _mapItems($content) {
return array_map(
function ($obj) {
$item = new Item();
$item->ID = $obj['id'];
$item->Link = sprintf(
'https://facebook.com/%s',
$obj['id']
);
$item->Title = $obj['texts'][0];
$item->Text = implode('<br />', $obj['texts']);
$item->Time = $obj['time'];
return $item;
},
$content
);
}
public function title() {
return sprintf("%s's Facebook page posts", $this->_feed);
}
}
?>
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