/**
* Macro which takes a given url location for craigslist search and scrapes useful content off the page
* @param array $location
* @return array
*/
private static function getRecords(array $location)
{
$string = getFileCache($location['url']);
if (!$string) {
return array();
}
$xml = simplexml_load_string($string, 'SimpleXMLElement', LIBXML_NOCDATA);
$search_items = array();
foreach ($xml->item as $item) {
$info = get_object_vars($item);
$dc_nodes = $item->children('http://purl.org/dc/elements/1.1/');
$dc = get_object_vars($dc_nodes);
$data = $info + $dc;
$search_items[] = array('location' => $location['partial'], 'info' => $data);
}
return $search_items;
}
function renderImagePreview($file_id)
{
if ($image = getFileCache($file_id)) {
header("Content-type: image/jpeg");
echo $image;
return;
}
//Cache Miss
$file = getFile($file_id);
$image = imagecreatefromstring($file['contents']);
unset($file);
$width = imagesx($image);
$height = imagesy($image);
if ($width > getConfigVar('PREVIEW_IMAGE_MAXPXS') or $height > getConfigVar('PREVIEW_IMAGE_MAXPXS')) {
$ratio = getConfigVar('PREVIEW_IMAGE_MAXPXS') / max($width, $height);
$newwidth = $width * $ratio;
$newheight = $height * $ratio;
$resampled = imagecreatetruecolor($newwidth, $newheight);
imagecopyresampled($resampled, $image, 0, 0, 0, 0, $newwidth, $newheight, $width, $height);
imagedestroy($image);
$image = $resampled;
unset($resampled);
}
header('Content-type: image/jpeg');
ob_start();
imagejpeg($image);
imagedestroy($image);
commitAddFileCache($file_id, ob_get_flush());
}
