public function process()
{
$products = array();
//fetch initial scrape from sainsburys
$response = $this->client->fetch($this->url);
$file = '/tmp/people.txt';
file_put_contents($file, $response);
$this->client->close();
$elements = $this->parser->parse($response);
if ($elements->length > 0) {
$index = 0;
foreach ($elements as $element) {
//link
foreach ($element->getElementsByTagName('a') as $link) {
$this->intializeClient();
$linkPage = $this->client->fetch($link->getAttribute('href'));
$linkSize = round(mb_strlen($linkPage, '8bit') / 1024) . "kb";
$this->client->close();
}
//get the node values
$nodeItems = array();
foreach (explode("\n", $element->nodeValue) as $nodeItem) {
if (!empty(trim($nodeItem))) {
$nodeItems[] = trim($nodeItem);
}
}
$products[$index]['title'] = $nodeItems[0];
$products[$index]['size'] = $linkSize;
$price = preg_replace('/[a-z\\/]/i', '', $nodeItems[2]);
$price = substr($price, 2, strlen($price));
$products[$index]['unit_price'] = $price;
$products[$index]['description'] = $nodeItems[3];
$index++;
}
}
return array('results' => $products, 'total' => $this->getPriceTotal($products));
}
