array(),
'Get latest changes via ZIP code' => array(
'zip'=>array(
'name'=>'ZIP code',
'type'=>'text',
'required'=>true,
'exampleValue'=>'74910, 74',
'title'=>'Insert ZIP code (complete or partial)'
)
),
'Get latest changes via city name' => array(
'city'=>array(
'name'=>'City name',
'type'=>'text',
'required'=>true,
'exampleValue'=>'Seyssel, Seys',
'title'=>'Insert city name (complete or partial)'
)
)
);
// Extracts the tile from an actitiy
private function ExtractActivityTitle($activity){
$title = $activity->find('a', 0);
if(!$title)
$this->returnServerError('Cannot find title!');
return htmlspecialchars(trim($title->plaintext));
}
// Extracts the url from an actitiy
private function ExtractActivityUrl($activity){
$url = $activity->find('a', 0);
if(!$url)
$this->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)
$this->returnServerError('Cannot find nodes!');
foreach($nodes as $node){
$node->outertext = '';
}
return strtotime($activity->innertext);
}
// Extracts the price change
private function ExtractActivityPrice($activity){
$price = $activity->find('span', 1);
if(!$price)
$this->returnServerError('Cannot find price!');
return $price->innertext;
}
public function collectData(){
$zip_filter = trim($this->getInput('zip'));
$city_filter = trim($this->getInput('city'));
$html = $this->getSimpleHTMLDOM(self::URI);
if(!$html)
$this->returnServerError('Could not load data from ' . self::URI . '!');
$activities = $html->find('div#activite/li');
if(!$activities)
$this->returnServerError('Failed to find activities!');
foreach($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;
}
}
public function getCacheDuration(){
return 600; // 10 minutes
}
}