array(),
'Get latest changes via ZIP code' => array(
'zip' => array(
'name' => 'ZIP code',
'type' => 'text',
'required' => true,
'exampleValue' => '7',
'title' => 'Insert ZIP code (complete or partial). e.g: 78125 OR 781 OR 7'
)
),
'Get latest changes via city name' => array(
'city' => array(
'name' => 'City name',
'type' => 'text',
'required' => true,
'exampleValue' => 'Paris',
'title' => 'Insert city name (complete or partial). e.g: Paris OR Par OR P'
)
)
);
// Extracts the title from an actitiy
private function extractActivityTitle($activity){
$title = $activity->find('a', 0);
if(!$title)
returnServerError('Cannot find title!');
return trim($title->plaintext);
}
// Extracts the url from an actitiy
private function extractActivityUrl($activity){
$url = $activity->find('a', 0);
if(!$url)
returnServerError('Cannot find url!');
return self::URI . $url->href;
}
// Extracts the time from an activity
private function extractActivityTime($activity){
// Unfortunately the time is part of the parent node,
// so we have to clear all child nodes first
$nodes = $activity->find('*');
if(!$nodes)
returnServerError('Cannot find nodes!');
foreach($nodes as $node) {
$node->outertext = '';
}
return strtotime($activity->innertext);
}
// Extracts the price change
private function extractActivityPrice($activity){
$price = $activity->find('span', 1);
if(!$price)
returnServerError('Cannot find price!');
return $price->innertext;
}
public function collectData(){
$zip_filter = trim($this->getInput('zip'));
$city_filter = trim($this->getInput('city'));
$html = getSimpleHTMLDOM(self::URI);
if(!$html)
returnServerError('Could not load data from ' . self::URI . '!');
$activities = $html->find('div#activite > li');
if(!$activities)
returnServerError('Failed to find activities!');
foreach($activities as $activity) {
$item = array();
$item['title'] = $this->extractActivityTitle($activity);
$item['uri'] = $this->extractActivityUrl($activity);
$item['timestamp'] = $this->extractActivityTime($activity);
$item['content'] = ''
. $item['title']
. '
'
. $this->extractActivityPrice($activity)
. '
';
if(isset($zip_filter)
&& !(substr($item['title'], 0, strlen($zip_filter)) === $zip_filter)) {
continue; // Skip this item
}
if(isset($city_filter)
&& !(substr($item['title'], strpos($item['title'], ' ') + 1, strlen($city_filter)) === $city_filter)) {
continue; // Skip this item
}
$this->items[] = $item;
}
}
}