[KernelBugTracker] Add new bridge
This adds a bridge for bugzilla.kernel.org to provide feeds for bug comments without the need of registering an email address. This implementation makes use of the print preview feature that reduces bandwidth by a small margin. Provides options to specify the number of comments to return as well as the sorting order (latest first or oldest first)
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152
bridges/KernelBugTrackerBridge.php
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152
bridges/KernelBugTrackerBridge.php
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<?php
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class KernelBugTrackerBridge extends BridgeAbstract {
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const NAME = 'Kernel Bug Tracker';
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const URI = 'https://bugzilla.kernel.org';
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const DESCRIPTION = 'Returns feeds for bug comments';
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const MAINTAINER = 'logmanoriginal';
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const PARAMETERS = array(
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'Bug comments' => array(
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'id' => array(
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'name' => 'Bug tracking ID',
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'type' => 'number',
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'required' => true,
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'title' => 'Insert bug tracking ID',
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'exampleValue' => 121241
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),
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'limit' => array(
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'name' => 'Number of comments to return',
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'type' => 'number',
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'required' => false,
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'title' => 'Specify number of comments to return',
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'defaultValue' => -1
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),
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'sorting' => array(
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'name' => 'Sorting',
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'type' => 'list',
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'required' => false,
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'title' => 'Defines the sorting order of the comments returned',
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'defaultValue' => 'of',
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'values' => array(
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'Oldest first' => 'of',
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'Latest first' => 'lf'
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)
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)
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)
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);
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private $bugid = '';
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private $bugdesc = '';
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public function collectData(){
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$limit = $this->getInput('limit');
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$sorting = $this->getInput('sorting');
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// We use the print preview page for simplicity
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$html = getSimpleHTMLDOMCached($this->getURI() . '&format=multiple'
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, 86400
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, false
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, null
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, 0
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, null
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, true
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, true
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, DEFAULT_TARGET_CHARSET
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, false // Do NOT remove line breaks
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, DEFAULT_BR_TEXT
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, DEFAULT_SPAN_TEXT);
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if($html === false)
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returnServerError('Failed to load page!');
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// Store header information into private members
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$this->bugid = $html->find('#bugzilla-body', 0)->find('a', 0)->innertext;
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$this->bugdesc = $html->find('table.bugfields', 0)->find('tr', 0)->find('td', 0)->innertext;
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// Get and limit comments
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$comments = $html->find('div.bz_comment');
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if($limit > 0 && count($comments) > $limit){
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$comments = array_slice($comments, count($comments) - $limit, $limit);
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}
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// Order comments
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switch($sorting){
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case 'lf': $comments = array_reverse($comments, true);
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case 'of':
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default: // Nothing to do, keep original order
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}
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foreach($comments as $comment){
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$comment = $this->inlineStyles($comment);
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$item = array();
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$item['uri'] = $this->getURI() . '#' . $comment->id;
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$item['author'] = $comment->find('span.bz_comment_user', 0)->innertext;
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$item['title'] = $comment->find('span.bz_comment_number', 0)->find('a', 0)->innertext;
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$item['timestamp'] = strtotime($comment->find('span.bz_comment_time', 0)->innertext);
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$item['content'] = $comment->find('pre.bz_comment_text', 0)->innertext;
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// Fix line breaks (they use LF)
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$item['content'] = str_replace("\n", '<br>', $item['content']);
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// Fix relative URIs
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$item['content'] = $this->replaceRelativeURI($item['content']);
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$this->items[] = $item;
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}
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}
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public function getURI(){
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switch($this->queriedContext){
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case 'Bug comments':
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return parent::getURI()
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. '/show_bug.cgi?id='
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. $this->getInput('id');
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break;
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default: return parent::getURI();
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}
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}
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public function getName(){
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switch($this->queriedContext){
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case 'Bug comments':
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return 'Bug '
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. $this->bugid
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. ' tracker for '
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. $this->bugdesc
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. ' - '
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. parent::getName();
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break;
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default: return parent::getName();
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}
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}
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/**
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* Replaces all relative URIs with absolute ones
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*
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* @param string $content The source string
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* @return string Returns the source string with all relative URIs replaced
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* by absolute ones.
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*/
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private function replaceRelativeURI($content){
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return preg_replace('/href="(?!http)/', 'href="' . self::URI . '/', $content);
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}
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/**
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* Adds styles as attributes to tags with known classes
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*
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* @param object $html A simplehtmldom object
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* @return object Returns the original object with styles added as
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* attributes.
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*/
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private function inlineStyles($html){
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foreach($html->find('.bz_obsolete') as $element){
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$element->style = 'text-decoration:line-through;';
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}
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return $html;
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}
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}
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