mirror of
https://github.com/RSS-Bridge/rss-bridge.git
synced 2024-11-27 12:01:09 +03:00
405 lines
11 KiB
PHP
405 lines
11 KiB
PHP
<?php
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class BandcampBridge extends BridgeAbstract {
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const MAINTAINER = 'sebsauvage, Roliga';
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const NAME = 'Bandcamp Bridge';
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const URI = 'https://bandcamp.com/';
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const CACHE_TIMEOUT = 600; // 10min
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const DESCRIPTION = 'New bandcamp releases by tag, band or album';
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const PARAMETERS = array(
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'By tag' => array(
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'tag' => array(
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'name' => 'tag',
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'type' => 'text',
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'required' => true
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)
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),
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'By band' => array(
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'band' => array(
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'name' => 'band',
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'type' => 'text',
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'title' => 'Band name as seen in the band page URL',
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'required' => true
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),
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'type' => array(
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'name' => 'Articles are',
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'type' => 'list',
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'values' => array(
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'Releases' => 'releases',
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'Releases, new one when track list changes' => 'changes',
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'Individual tracks' => 'tracks'
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),
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'defaultValue' => 'changes'
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),
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'limit' => array(
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'name' => 'limit',
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'type' => 'number',
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'title' => 'Number of releases to return',
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'defaultValue' => 5
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)
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),
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'By label' => array(
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'label' => array(
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'name' => 'label',
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'type' => 'text',
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'title' => 'label name as seen in the label page URL',
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'required' => true
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),
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'type' => array(
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'name' => 'Articles are',
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'type' => 'list',
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'values' => array(
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'Releases' => 'releases',
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'Releases, new one when track list changes' => 'changes',
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'Individual tracks' => 'tracks'
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),
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'defaultValue' => 'changes'
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),
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'limit' => array(
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'name' => 'limit',
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'type' => 'number',
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'title' => 'Number of releases to return',
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'defaultValue' => 5
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)
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),
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'By album' => array(
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'band' => array(
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'name' => 'band',
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'type' => 'text',
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'title' => 'Band name as seen in the album page URL',
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'required' => true
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),
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'album' => array(
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'name' => 'album',
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'type' => 'text',
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'title' => 'Album name as seen in the album page URL',
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'required' => true
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),
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'type' => array(
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'name' => 'Articles are',
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'type' => 'list',
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'values' => array(
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'Releases' => 'releases',
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'Releases, new one when track list changes' => 'changes',
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'Individual tracks' => 'tracks'
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),
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'defaultValue' => 'tracks'
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)
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)
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);
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const IMGURI = 'https://f4.bcbits.com/';
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const IMGSIZE_300PX = 23;
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const IMGSIZE_700PX = 16;
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private $feedName;
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public function getIcon() {
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return 'https://s4.bcbits.com/img/bc_favicon.ico';
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}
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public function collectData(){
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switch($this->queriedContext) {
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case 'By tag':
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$url = self::URI . 'api/hub/1/dig_deeper';
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$data = $this->buildRequestJson();
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$header = array(
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'Content-Type: application/json',
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'Content-Length: ' . strlen($data)
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);
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$opts = array(
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CURLOPT_CUSTOMREQUEST => 'POST',
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CURLOPT_POSTFIELDS => $data
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);
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$content = getContents($url, $header, $opts)
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or returnServerError('Could not complete request to: ' . $url);
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$json = json_decode($content);
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if ($json->ok !== true) {
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returnServerError('Invalid response');
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}
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foreach ($json->items as $entry) {
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$url = $entry->tralbum_url;
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$artist = $entry->artist;
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$title = $entry->title;
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// e.g. record label is the releaser, but not the artist
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$releaser = $entry->band_name !== $entry->artist ? $entry->band_name : null;
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$full_title = $artist . ' - ' . $title;
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$full_artist = $artist;
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if (isset($releaser)) {
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$full_title .= ' (' . $releaser . ')';
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$full_artist .= ' (' . $releaser . ')';
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}
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$small_img = $this->getImageUrl($entry->art_id, self::IMGSIZE_300PX);
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$img = $this->getImageUrl($entry->art_id, self::IMGSIZE_700PX);
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$item = array(
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'uri' => $url,
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'author' => $full_artist,
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'title' => $full_title
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);
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$item['content'] = "<img src='$small_img' /><br/>$full_title";
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$item['enclosures'] = array($img);
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$this->items[] = $item;
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}
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break;
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case 'By band':
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case 'By label':
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case 'By album':
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$html = getSimpleHTMLDOMCached($this->getURI(), 86400);
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if ($html->find('meta[name=title]', 0)) {
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$this->feedName = $html->find('meta[name=title]', 0)->content;
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} else {
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$this->feedName = str_replace('Music | ', '', $html->find('title', 0)->plaintext);
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}
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$regex = '/band_id=(\d+)/';
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if(preg_match($regex, $html, $matches) == false)
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returnServerError('Unable to find band ID on: ' . $this->getURI());
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$band_id = $matches[1];
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$tralbums = array();
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switch($this->queriedContext) {
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case 'By band':
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case 'By label':
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$query_data = array(
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'band_id' => $band_id
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);
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$band_data = $this->apiGet('mobile/22/band_details', $query_data);
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$num_albums = min(count($band_data->discography), $this->getInput('limit'));
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for($i = 0; $i < $num_albums; $i++) {
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$album_basic_data = $band_data->discography[$i];
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// 'a' or 't' for albums and individual tracks respectively
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$tralbum_type = substr($album_basic_data->item_type, 0, 1);
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$query_data = array(
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'band_id' => $band_id,
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'tralbum_type' => $tralbum_type,
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'tralbum_id' => $album_basic_data->item_id
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);
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$tralbums[] = $this->apiGet('mobile/22/tralbum_details', $query_data);
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}
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break;
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case 'By album':
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$regex = '/album=(\d+)/';
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if(preg_match($regex, $html, $matches) == false)
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returnServerError('Unable to find album ID on: ' . $this->getURI());
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$album_id = $matches[1];
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$query_data = array(
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'band_id' => $band_id,
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'tralbum_type' => 'a',
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'tralbum_id' => $album_id
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);
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$tralbums[] = $this->apiGet('mobile/22/tralbum_details', $query_data);
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break;
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}
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foreach ($tralbums as $tralbum_data) {
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if ($tralbum_data->type === 'a' && $this->getInput('type') === 'tracks') {
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foreach ($tralbum_data->tracks as $track) {
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$query_data = array(
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'band_id' => $band_id,
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'tralbum_type' => 't',
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'tralbum_id' => $track->track_id
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);
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$track_data = $this->apiGet('mobile/22/tralbum_details', $query_data);
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$this->items[] = $this->buildTralbumItem($track_data);
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}
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} else {
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$this->items[] = $this->buildTralbumItem($tralbum_data);
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}
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}
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break;
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}
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}
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private function buildTralbumItem($tralbum_data){
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$band_data = $tralbum_data->band;
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// Format title like: ARTIST - ALBUM/TRACK (OPTIONAL RELEASER)
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// Format artist/author like: ARTIST (OPTIONAL RELEASER)
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//
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// If the album/track is released under a label/a band other than the artist
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// themselves, append that releaser name to the title and artist/author.
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//
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// This sadly doesn't always work right for individual tracks as the artist
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// of the track is always set to the releaser.
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$artist = $tralbum_data->tralbum_artist;
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$full_title = $artist . ' - ' . $tralbum_data->title;
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$full_artist = $artist;
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if (isset($tralbum_data->label)) {
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$full_title .= ' (' . $tralbum_data->label . ')';
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$full_artist .= ' (' . $tralbum_data->label . ')';
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} elseif ($band_data->name !== $artist) {
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$full_title .= ' (' . $band_data->name . ')';
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$full_artist .= ' (' . $band_data->name . ')';
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}
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$small_img = $this->getImageUrl($tralbum_data->art_id, self::IMGSIZE_300PX);
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$img = $this->getImageUrl($tralbum_data->art_id, self::IMGSIZE_700PX);
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$item = array(
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'uri' => $tralbum_data->bandcamp_url,
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'author' => $full_artist,
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'title' => $full_title,
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'enclosures' => array($img),
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'timestamp' => $tralbum_data->release_date
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);
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$item['categories'] = array();
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foreach ($tralbum_data->tags as $tag) {
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$item['categories'][] = $tag->norm_name;
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}
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// Give articles a unique UID depending on its track list
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// Releases should then show up as new articles when tracks are added
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if ($this->getInput('type') === 'changes') {
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$item['uid'] = "bandcamp/$band_data->band_id/$tralbum_data->id/";
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foreach ($tralbum_data->tracks as $track) {
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$item['uid'] .= $track->track_id;
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}
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}
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$item['content'] = "<img src='$small_img' /><br/>$full_title<br/>";
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if ($tralbum_data->type === 'a') {
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$item['content'] .= '<ol>';
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foreach ($tralbum_data->tracks as $track) {
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$item['content'] .= "<li>$track->title</li>";
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}
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$item['content'] .= '</ol>';
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}
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if (!empty($tralbum_data->about)) {
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$item['content'] .= '<p>'
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. nl2br($tralbum_data->about)
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. '</p>';
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}
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return $item;
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}
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private function buildRequestJson(){
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$requestJson = array(
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'tag' => $this->getInput('tag'),
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'page' => 1,
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'sort' => 'date'
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);
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return json_encode($requestJson);
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}
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private function getImageUrl($id, $size){
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return self::IMGURI . 'img/a' . $id . '_' . $size . '.jpg';
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}
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private function apiGet($endpoint, $query_data) {
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$url = self::URI . 'api/' . $endpoint . '?' . http_build_query($query_data);
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$data = json_decode(getContents($url))
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or returnServerError('API request to "' . $url . '" failed.');
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return $data;
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}
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public function getURI(){
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switch($this->queriedContext) {
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case 'By tag':
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if(!is_null($this->getInput('tag'))) {
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return self::URI
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. 'tag/'
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. urlencode($this->getInput('tag'))
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. '?sort_field=date';
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}
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break;
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case 'By label':
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if(!is_null($this->getInput('label'))) {
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return 'https://'
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. $this->getInput('label')
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. '.bandcamp.com/music';
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}
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break;
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case 'By band':
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if(!is_null($this->getInput('band'))) {
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return 'https://'
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. $this->getInput('band')
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. '.bandcamp.com/music';
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}
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break;
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case 'By album':
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if(!is_null($this->getInput('band')) && !is_null($this->getInput('album'))) {
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return 'https://'
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. $this->getInput('band')
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. '.bandcamp.com/album/'
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. $this->getInput('album');
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}
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break;
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}
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return parent::getURI();
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}
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public function getName(){
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switch($this->queriedContext) {
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case 'By tag':
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if(!is_null($this->getInput('tag'))) {
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return $this->getInput('tag') . ' - Bandcamp Tag';
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}
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break;
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case 'By band':
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if(isset($this->feedName)) {
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return $this->feedName . ' - Bandcamp Band';
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} elseif(!is_null($this->getInput('band'))) {
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return $this->getInput('band') . ' - Bandcamp Band';
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}
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break;
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case 'By label':
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if(isset($this->feedName)) {
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return $this->feedName . ' - Bandcamp Label';
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} elseif(!is_null($this->getInput('label'))) {
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return $this->getInput('label') . ' - Bandcamp Label';
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}
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break;
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case 'By album':
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if(isset($this->feedName)) {
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return $this->feedName . ' - Bandcamp Album';
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} elseif(!is_null($this->getInput('album'))) {
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return $this->getInput('album') . ' - Bandcamp Album';
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}
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break;
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}
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return parent::getName();
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}
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public function detectParameters($url) {
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$params = array();
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// By tag
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$regex = '/^(https?:\/\/)?bandcamp\.com\/tag\/([^\/.&?\n]+)/';
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if(preg_match($regex, $url, $matches) > 0) {
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$params['tag'] = urldecode($matches[2]);
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return $params;
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}
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// By band
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$regex = '/^(https?:\/\/)?([^\/.&?\n]+?)\.bandcamp\.com/';
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if(preg_match($regex, $url, $matches) > 0) {
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$params['band'] = urldecode($matches[2]);
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return $params;
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}
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// By album
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$regex = '/^(https?:\/\/)?([^\/.&?\n]+?)\.bandcamp\.com\/album\/([^\/.&?\n]+)/';
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if(preg_match($regex, $url, $matches) > 0) {
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$params['band'] = urldecode($matches[2]);
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$params['album'] = urldecode($matches[3]);
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return $params;
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}
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return null;
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}
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}
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