mirror of https://github.com/danoloan10/rss-bridge
293 lines
7.7 KiB
PHP
293 lines
7.7 KiB
PHP
<?php
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class GithubIssueBridge extends BridgeAbstract {
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const MAINTAINER = 'Pierre Mazière';
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const NAME = 'Github Issue';
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const URI = 'https://github.com/';
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const CACHE_TIMEOUT = 0; // 10min
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const DESCRIPTION = 'Returns the issues or comments of an issue of a github project';
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const PARAMETERS = array(
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'global' => array(
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'u' => array(
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'name' => 'User name',
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'exampleValue' => 'RSS-Bridge',
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'required' => true
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),
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'p' => array(
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'name' => 'Project name',
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'exampleValue' => 'rss-bridge',
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'required' => true
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)
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),
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'Project Issues' => array(
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'c' => array(
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'name' => 'Show Issues Comments',
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'type' => 'checkbox'
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),
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'q' => array(
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'name' => 'Search Query',
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'defaultValue' => 'is:issue is:open sort:updated-desc',
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'required' => true
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)
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),
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'Issue comments' => array(
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'i' => array(
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'name' => 'Issue number',
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'type' => 'number',
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'exampleValue' => '2099',
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'required' => true
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)
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)
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);
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// Allows generalization with GithubPullRequestBridge
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const BRIDGE_OPTIONS = array(0 => 'Project Issues', 1 => 'Issue comments');
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const URL_PATH = 'issues';
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const SEARCH_QUERY_PATH = 'issues';
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public function getName(){
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$name = $this->getInput('u') . '/' . $this->getInput('p');
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switch($this->queriedContext) {
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case static::BRIDGE_OPTIONS[0]: // Project Issues
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$prefix = static::NAME . 's for ';
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if($this->getInput('c')) {
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$prefix = static::NAME . 's comments for ';
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}
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$name = $prefix . $name;
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break;
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case static::BRIDGE_OPTIONS[1]: // Issue comments
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$name = static::NAME . ' ' . $name . ' #' . $this->getInput('i');
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break;
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default: return parent::getName();
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}
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return $name;
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}
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public function getURI() {
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if(null !== $this->getInput('u') && null !== $this->getInput('p')) {
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$uri = static::URI . $this->getInput('u') . '/'
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. $this->getInput('p') . '/';
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if($this->queriedContext === static::BRIDGE_OPTIONS[1]) {
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$uri .= static::URL_PATH . '/' . $this->getInput('i');
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} else {
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$uri .= static::SEARCH_QUERY_PATH . '?q=' . urlencode($this->getInput('q'));
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}
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return $uri;
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}
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return parent::getURI();
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}
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private function buildGitHubIssueCommentUri($issue_number, $comment_id) {
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// https://github.com/<user>/<project>/issues/<issue-number>#<id>
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return static::URI
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. $this->getInput('u')
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. '/'
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. $this->getInput('p')
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. '/' . static::URL_PATH . '/'
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. $issue_number
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. '#'
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. $comment_id;
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}
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private function extractIssueEvent($issueNbr, $title, $comment) {
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$uri = $this->buildGitHubIssueCommentUri($issueNbr, $comment->id);
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$author = $comment->find('.author, .avatar', 0);
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if ($author) {
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$author = trim($author->href, '/');
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} else {
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$author = '';
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}
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$title .= ' / '
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. trim(str_replace(
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array('octicon','-'), array(''),
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$comment->find('.octicon', 0)->getAttribute('class')
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));
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$time = $comment->find('relative-time', 0);
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if ($time === null) {
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return;
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}
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foreach($comment->find('.Details-content--hidden, .btn') as $el) {
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$el->innertext = '';
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}
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$content = $comment->plaintext;
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$item = array();
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$item['author'] = $author;
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$item['uri'] = $uri;
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$item['title'] = html_entity_decode($title, ENT_QUOTES, 'UTF-8');
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$item['timestamp'] = strtotime($time->getAttribute('datetime'));
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$item['content'] = $content;
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return $item;
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}
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private function extractIssueComment($issueNbr, $title, $comment) {
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$uri = $this->buildGitHubIssueCommentUri($issueNbr, $comment->id);
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$author = $comment->find('.author', 0)->plaintext;
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$header = $comment->find('.timeline-comment-header > h3', 0);
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$title .= ' / ' . ($header ? $header->plaintext : 'Activity');
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$time = $comment->find('relative-time', 0);
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if ($time === null) {
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return;
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}
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$content = $comment->find('.comment-body', 0)->innertext;
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$item = array();
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$item['author'] = $author;
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$item['uri'] = $uri;
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$item['title'] = html_entity_decode($title, ENT_QUOTES, 'UTF-8');
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$item['timestamp'] = strtotime($time->getAttribute('datetime'));
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$item['content'] = $content;
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return $item;
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}
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private function extractIssueComments($issue) {
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$items = array();
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$title = $issue->find('.gh-header-title', 0)->plaintext;
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$issueNbr = trim(
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substr($issue->find('.gh-header-number', 0)->plaintext, 1)
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);
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$comments = $issue->find(
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'.comment, .TimelineItem-badge'
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);
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foreach($comments as $comment) {
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if ($comment->hasClass('comment')) {
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$comment = $comment->parent;
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$item = $this->extractIssueComment($issueNbr, $title, $comment);
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if ($item !== null) {
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$items[] = $item;
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}
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continue;
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} else {
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$comment = $comment->parent;
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$item = $this->extractIssueEvent($issueNbr, $title, $comment);
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if ($item !== null) {
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$items[] = $item;
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}
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}
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}
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return $items;
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}
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public function collectData() {
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$html = getSimpleHTMLDOM($this->getURI());
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switch($this->queriedContext) {
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case static::BRIDGE_OPTIONS[1]: // Issue comments
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$this->items = $this->extractIssueComments($html);
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break;
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case static::BRIDGE_OPTIONS[0]: // Project Issues
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foreach($html->find('.js-active-navigation-container .js-navigation-item') as $issue) {
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$info = $issue->find('.opened-by', 0);
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preg_match('/\/([0-9]+)$/', $issue->find('a', 0)->href, $match);
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$issueNbr = $match[1];
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$item = array();
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$item['content'] = '';
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if($this->getInput('c')) {
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$uri = static::URI . $this->getInput('u')
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. '/' . $this->getInput('p') . '/' . static::URL_PATH . '/' . $issueNbr;
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$issue = getSimpleHTMLDOMCached($uri, static::CACHE_TIMEOUT);
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if($issue) {
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$this->items = array_merge(
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$this->items,
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$this->extractIssueComments($issue)
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);
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continue;
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}
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$item['content'] = 'Can not extract comments from ' . $uri;
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}
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$item['author'] = $info->find('a', 0)->plaintext;
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$item['timestamp'] = strtotime(
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$info->find('relative-time', 0)->getAttribute('datetime')
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);
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$item['title'] = html_entity_decode(
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$issue->find('.js-navigation-open', 0)->plaintext,
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ENT_QUOTES,
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'UTF-8'
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);
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$comment_count = 0;
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if($span = $issue->find('a[aria-label*="comment"] span', 0)) {
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$comment_count = $span->plaintext;
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}
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$item['content'] .= "\n" . 'Comments: ' . $comment_count;
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$item['uri'] = self::URI
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. trim($issue->find('.js-navigation-open', 0)->getAttribute('href'), '/');
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$this->items[] = $item;
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}
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break;
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}
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array_walk($this->items, function(&$item){
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$item['content'] = preg_replace('/\s+/', ' ', $item['content']);
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$item['content'] = str_replace(
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'href="/',
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'href="' . static::URI,
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$item['content']
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);
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$item['content'] = str_replace(
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'href="#',
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'href="' . substr($item['uri'], 0, strpos($item['uri'], '#') + 1),
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$item['content']
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);
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$item['title'] = preg_replace('/\s+/', ' ', $item['title']);
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});
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}
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public function detectParameters($url) {
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if(filter_var($url, FILTER_VALIDATE_URL, FILTER_FLAG_PATH_REQUIRED) === false
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|| strpos($url, self::URI) !== 0) {
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return null;
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}
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$url_components = parse_url($url);
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$path_segments = array_values(array_filter(explode('/', $url_components['path'])));
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switch(count($path_segments)) {
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case 2: // Project issues
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list($user, $project) = $path_segments;
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$show_comments = 'off';
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break;
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case 3: // Project issues with issue comments
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if($path_segments[2] !== static::URL_PATH) {
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return null;
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}
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list($user, $project) = $path_segments;
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$show_comments = 'on';
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break;
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case 4: // Issue comments
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list($user, $project, /* issues */, $issue) = $path_segments;
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break;
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default:
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return null;
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}
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return array(
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'u' => $user,
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'p' => $project,
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'c' => isset($show_comments) ? $show_comments : null,
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'i' => isset($issue) ? $issue : null,
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);
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}
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}
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