102 lines
2.2 KiB
PHP
102 lines
2.2 KiB
PHP
<?php
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class FilterBridge extends FeedExpander {
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const MAINTAINER = 'Frenzie';
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const NAME = 'Filter';
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const CACHE_TIMEOUT = 3600; // 1h
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const DESCRIPTION = 'Filters a feed of your choice';
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const URI = 'https://github.com/rss-bridge/rss-bridge';
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const PARAMETERS = array(array(
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'url' => array(
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'name' => 'Feed URL',
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'required' => true,
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),
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'filter' => array(
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'name' => 'Filter item title (regular expression)',
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'required' => false,
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),
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'filter_type' => array(
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'name' => 'Filter type',
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'type' => 'list',
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'required' => false,
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'values' => array(
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'Permit' => 'permit',
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'Block' => 'block',
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),
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'defaultValue' => 'permit',
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),
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'title_from_content' => array(
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'name' => 'Generate title from content',
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'type' => 'checkbox',
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'required' => false,
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)
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));
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protected function parseItem($newItem){
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$item = parent::parseItem($newItem);
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if($this->getInput('title_from_content') && array_key_exists('content', $item)) {
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$content = str_get_html($item['content']);
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$pos = strpos($item['content'], ' ', 50);
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$item['title'] = substr(
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$content->plaintext,
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0,
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$pos
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);
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if(strlen($content->plaintext) >= $pos) {
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$item['title'] .= '...';
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}
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}
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switch(true) {
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case $this->getFilterType() === 'permit':
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if (preg_match($this->getFilter(), $item['title'])) {
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return $item;
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}
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break;
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case $this->getFilterType() === 'block':
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if (!preg_match($this->getFilter(), $item['title'])) {
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return $item;
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}
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break;
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}
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return null;
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}
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protected function getFilter(){
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return '/' . $this->getInput('filter') . '/';
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}
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protected function getFilterType(){
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return $this->getInput('filter_type');
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}
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public function getURI(){
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$url = $this->getInput('url');
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if(empty($url)) {
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$url = parent::getURI();
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}
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return $url;
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}
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public function collectData(){
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if($this->getInput('url') && substr($this->getInput('url'), 0, strlen('http')) !== 'http') {
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// just in case someone find a way to access local files by playing with the url
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returnClientError('The url parameter must either refer to http or https protocol.');
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}
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try{
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$this->collectExpandableDatas($this->getURI());
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} catch (Exception $e) {
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$this->collectExpandableDatas($this->getURI());
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}
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}
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}
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