rss-bridge/bridges/GoogleSearchBridge.php

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<?php
/**
* Returns the 100 most recent links in results in past year, sorting by date (most recent first).
* Example:
* http://www.google.com/search?q=sebsauvage&num=100&complete=0&tbs=qdr:y,sbd:1
* complete=0&num=100 : get 100 results
* qdr:y : in past year
* sbd:1 : sort by date (will only work if qdr: is specified)
*/
class GoogleSearchBridge extends BridgeAbstract{
private $request;
public function loadMetadatas() {
$this->maintainer = "sebsauvage";
$this->name = "Google search";
$this->uri = "https://www.google.com/";
$this->description = "Returns most recent results from Google search.";
$this->update = '2016-08-17';
$this->parameters[] =
'[
{
"name" : "keyword",
"identifier" : "q"
}
]';
}
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public function collectData(array $param){
$html = '';
if (isset($param['q'])) { /* keyword search mode */
$this->request = $param['q'];
$html = $this->getSimpleHTMLDOM('https://www.google.com/search?q=' . urlencode($this->request) . '&num=100&complete=0&tbs=qdr:y,sbd:1') or $this->returnServerError('No results for this query.');
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}
else{
$this->returnClientError('You must specify a keyword (?q=...).');
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}
$emIsRes = $html->find('div[id=ires]',0);
if( !is_null($emIsRes) ){
foreach($emIsRes->find('li[class=g]') as $element) {
$item = new Item();
// Extract direct URL from google href (eg. /url?q=...)
$t = $element->find('a[href]',0)->href;
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$item->uri = ''.$t;
parse_str(parse_url($t, PHP_URL_QUERY),$parameters);
if (isset($parameters['q'])) { $item->uri = $parameters['q']; }
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$item->title = $element->find('h3',0)->plaintext;
$item->content = $element->find('span[class=st]',0)->plaintext;
$this->items[] = $item;
}
}
}
public function getName(){
return (!empty($this->request) ? $this->request .' - ' : '') .'Google search';
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}
public function getCacheDuration(){
return 1800; // 30 minutes
}
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}