rss-bridge/bridges/UnsplashBridge.php

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2015-03-02 22:42:54 +01:00
<?php
class UnsplashBridge extends BridgeAbstract {
public function loadMetadatas() {
$this->maintainer = "nel50n";
$this->name = "Unsplash Bridge";
$this->uri = "http://unsplash.com/";
$this->description = "Returns the latests photos from Unsplash";
$this->parameters[] = array(
'm'=>array(
'name'=>'Max number of photos',
'type'=>'number'
),
'w'=>array(
'name'=>'Width',
'exampleValue'=>'1920, 1680, …'
),
'q'=>array(
'name'=>'JPEG quality',
'type'=>'number'
)
);
}
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public function collectData(array $param){
$html = '';
$baseUri = 'http://unsplash.com';
$width = $param['w'] ?: '1920'; // Default width
$num = 0;
$max = $param['m'] ?: 20;
$quality = $param['q'] ?: 75;
$lastpage = 1;
for ($page = 1; $page <= $lastpage; $page++) {
$link = $baseUri.'/grid?page='.$page;
$html = $this->getSimpleHTMLDOM($link) or $this->returnServerError('No results for this query.');
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if ($page === 1) {
preg_match('/=(\d+)$/', $html->find('.pagination > a[!class]', -1)->href, $matches);
$lastpage = min($matches[1], ceil($max/40));
}
foreach($html->find('.photo') as $element) {
$thumbnail = $element->find('img', 0);
$thumbnail->src = str_replace('https://', 'http://', $thumbnail->src);
$item = array();
$item['uri'] = str_replace(array('q=75', 'w=400'),
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array("q=$quality", "w=$width"),
$thumbnail->src).'.jpg'; // '.jpg' only for format hint
$item['timestamp'] = time();
$item['title'] = $thumbnail->alt;
$item['content'] = $item['title'].'<br><a href="'.$item['uri'].'"><img src="'.$thumbnail->src.'" /></a>';
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$this->items[] = $item;
$num++;
if ($num >= $max)
break 2;
}
}
}
public function getCacheDuration(){
return 43200; // 12 hours
}
}