96 lines
3.5 KiB
PHP
96 lines
3.5 KiB
PHP
<?php
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class GoodreadsBridge extends BridgeAbstract
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{
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const MAINTAINER = 'captn3m0';
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const NAME = 'Goodreads Bridge';
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const URI = 'https://www.goodreads.com/';
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const CACHE_TIMEOUT = 0; // 30min
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const DESCRIPTION = 'Various RSS feeds from Goodreads';
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const CONTEXT_AUTHOR_BOOKS = 'Books by Author';
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// Using a specific context because I plan to expand this soon
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const PARAMETERS = [
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'Books by Author' => [
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'author_url' => [
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'name' => 'Link to author\'s page on Goodreads',
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'type' => 'text',
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'required' => true,
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'title' => 'Should look somewhat like goodreads.com/author/show/',
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'pattern' => '^(https:\/\/)?(www.)?goodreads\.com\/author\/show\/\d+\..*$',
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'exampleValue' => 'https://www.goodreads.com/author/show/38550.Brandon_Sanderson'
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],
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'published_only' => [
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'name' => 'Show published books only',
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'type' => 'checkbox',
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'required' => false,
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'title' => 'If left unchecked, this will return unpublished books as well',
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'defaultValue' => 'checked',
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],
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],
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];
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private function collectAuthorBooks($url)
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{
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$regex = '/goodreads\.com\/author\/show\/(\d+)/';
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preg_match($regex, $url, $matches);
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$authorId = $matches[1];
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$authorListUrl = "https://www.goodreads.com/author/list/$authorId?sort=original_publication_year";
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$html = getSimpleHTMLDOMCached($authorListUrl, self::CACHE_TIMEOUT);
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foreach ($html->find('tr[itemtype="http://schema.org/Book"]') as $row) {
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$dateSpan = $row->find('.uitext', 0)->plaintext;
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$date = null;
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// If book is not yet published, ignore for now
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if (preg_match('/published\s+(\d{4})/', $dateSpan, $matches) === 1) {
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// Goodreads doesn't give us exact publication date here, only a year
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// We are skipping future dates anyway, so this is def published
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// but we can't pick a dynamic date either to keep clients from getting
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// confused. So we pick a guaranteed date of 1st-Jan instead.
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$date = $matches[1] . '-01-01';
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} elseif ($this->getInput('published_only') !== 'checked') {
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// We can return unpublished books as well
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$date = date('Y-01-01');
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} else {
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continue;
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}
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$row = defaultLinkTo($row, $this->getURI());
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$item['title'] = $row->find('.bookTitle', 0)->plaintext;
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$item['uri'] = $row->find('.bookTitle', 0)->getAttribute('href');
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$item['author'] = $row->find('.authorName', 0)->plaintext;
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$item['content'] = '<a href="'
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. $row->find('.bookTitle', 0)->getAttribute('href')
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. '"><img src="'
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. $row->find('.bookCover', 0)->getAttribute('src')
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. '"></a>';
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$item['timestamp'] = $date;
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$item['enclosures'] = [
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$row->find('.bookCover', 0)->getAttribute('src')
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];
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$this->items[] = $item; // Add item to the list
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}
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}
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public function collectData()
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{
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switch ($this->queriedContext) {
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case self::CONTEXT_AUTHOR_BOOKS:
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$this->collectAuthorBooks($this->getInput('author_url'));
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break;
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default:
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throw new Exception('Invalid context', 1);
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break;
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}
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}
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}
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