3a496e3b18
Adds a new option '&title_from_content=on' to build the title for feed items from the feeds content. The title is generated from the first whitespace after 50 characters of the content or the entire content if the total size is lower than 50 characters. References #587
101 lines
2.2 KiB
PHP
101 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 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 (HttpException $e) {
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$this->collectExpandableDatas($this->getURI());
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}
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}
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}
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