Rss-Bridge/bridges/CastorusBridge.php

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2016-08-05 13:16:00 +02:00
<?php
class CastorusBridge extends BridgeAbstract {
public function loadMetadatas(){
$this->maintainer = "logmanoriginal";
$this->name = "Castorus Bridge";
$this->uri = $this->getURI();
$this->description = "Returns the latest changes";
$this->update = "2016-08-05";
$this->parameters["Get latest changes"] = '[]';
$this->parameters["Get latest changes via ZIP code"] =
'[
{
"name": "ZIP code",
"identifier" : "zip",
"type" : "text",
"required" : "true",
"exampleValue" : "74910, 74",
"title" : "Insert ZIP code (complete or partial)"
}
]';
$this->parameters["Get latest changes via city name"] =
'[
{
"name": "City name",
"identifier" : "city",
"type" : "text",
"required" : "true",
"exampleValue" : "Seyssel, Seys",
"title" : "Insert city name (complete or partial)"
}
]';
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}
// Extracts the tile from an actitiy
function ExtractActivityTitle($activity){
$title = $activity->find('a', 0);
if(!$title)
$this->returnError('Cannot find title!', 404);
return htmlspecialchars(trim($title->plaintext));
}
// Extracts the url from an actitiy
function ExtractActivityUrl($activity){
$url = $activity->find('a', 0);
if(!$url)
$this->returnError('Cannot find url!', 404);
return $this->getURI() . $url->href;
}
// Extracts the time from an activity
function ExtractActivityTime($activity){
// Unfortunately the time is part of the parent node,
// so we have to clear all child nodes first
$nodes = $activity->find('*');
if(!$nodes)
$this->returnError('Cannot find nodes!', 404);
foreach($nodes as $node){
$node->outertext = '';
}
return strtotime($activity->innertext);
}
// Extracts the price change
function ExtractActivityPrice($activity){
$price = $activity->find('span', 1);
if(!$price)
$this->returnError('Cannot find price!', 404);
return $price->innertext;
}
public function collectData(array $params){
if(isset($params['zip']))
$zip_filter = trim($params['zip']);
if(isset($params['city']))
$city_filter = trim($params['city']);
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$html = $this->file_get_html($this->getURI());
if(!$html)
$this->returnError('Could not load data from ' . $this->getURI() . '!', 404);
$activities = $html->find('div#activite/li');
if(!$activities)
$this->returnError('Failed to find activities!', 404);
foreach($activities as $activity){
$item = new \Item();
$item->title = $this->ExtractActivityTitle($activity);
$item->uri = $this->ExtractActivityUrl($activity);
$item->timestamp = $this->ExtractActivityTime($activity);
$item->content = '<a href="' . $item->uri . '">' . $item->title . '</a><br><p>'
. $this->ExtractActivityPrice($activity) . '</p>';
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)) === $city_filter)){
continue; // Skip this item
}
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$this->items[] = $item;
}
}
public function getName(){
return 'Castorus Bridge';
}
public function getURI(){
return 'http://www.castorus.com';
}
public function getCacheDuration(){
return 600; // 10 minutes
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}
}