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) {
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) {
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;
}
}
}