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<?php |
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namespace Tzsk\ScrapePod\Vendors; |
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use SimpleXMLElement; |
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use Tzsk\ScrapePod\Contracts\VendorInterface; |
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class DigitalPodcast extends AbstractVendor implements VendorInterface |
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{ |
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/** |
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* @var string |
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*/ |
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const APP_ID = "podcastsearchdemo"; |
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/** |
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* @var string |
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*/ |
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const SEARCH_URL = "http://api.digitalpodcast.com/v2r/search"; |
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/** |
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* @var string |
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*/ |
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const FORMAT = "rss"; |
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/** |
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* @var int |
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*/ |
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private $limit = 15; |
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/** |
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* @var string |
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*/ |
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private $defaultQuery = null; |
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/** |
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* DigitalPodcast constructor. |
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*/ |
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public function __construct() |
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{ |
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$this->setDefaultQuery(); |
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} |
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/** |
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* @return int |
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*/ |
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public function getLimit() |
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{ |
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return $this->limit; |
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} |
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/** |
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* @param int $limit |
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*/ |
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public function setLimit($limit) |
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{ |
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// `-1` being used here because the API returns 3 items when `results=2`. |
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$this->limit = ((int) $limit - 1); |
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} |
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/** |
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* @return void |
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*/ |
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public function setDefaultQuery() |
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{ |
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$this->defaultQuery = http_build_query([ |
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'results' => $this->limit, |
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'appid' => self::APP_ID, |
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'format' => self::FORMAT |
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]); |
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} |
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/** |
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* @param string $value |
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* @return string |
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*/ |
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public function generateUrl($value) |
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{ |
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$value = urlencode($value); |
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$url = self::SEARCH_URL . "?keywords={$value}"; |
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return $url . '&' . $this->defaultQuery; |
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} |
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/** |
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* @param array $response |
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* @return array |
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*/ |
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public function build(array $response) |
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{ |
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$xml = new SimpleXMLElement($response['search']); |
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$xml = $xml->channel; |
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$output['result_count'] = count($xml->item); |
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foreach ($xml->item as $value) { |
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$output['results'][] = [ |
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'title' => (string) $value->title, |
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'rss' => (string) $value->source, |
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'link' => (string) $value->link, |
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]; |
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} |
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return $output; |
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} |
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/** |
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* @return void |
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*/ |
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public function original() |
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{ |
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$this->isOrginal = true; |
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} |
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} |
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tzsk /
scrape-pod
