[GitHubPullRequestBridge] Add new bridge inheriting GithubIssueBridge (#2001)

bridges/GithubPullRequestBridge.php

@@ -0,0 +1,38 @@
+<?php
+require_once('GithubIssueBridge.php');
+class GitHubPullRequestBridge extends GithubIssueBridge {
+	const MAINTAINER = 'Yaman Qalieh';
+	const NAME = 'GitHub Pull Request';
+	const DESCRIPTION = 'Returns the pull request or comments of a pull request of a GitHub project';
+
+	const PARAMETERS = array(
+		'global' => array(
+			'u' => array(
+				'name' => 'User name',
+				'required' => true
+			),
+			'p' => array(
+				'name' => 'Project name',
+				'required' => true
+			)
+		),
+		'Project Pull Requests' => array(
+			'c' => array(
+				'name' => 'Show Pull Request Comments',
+				'type' => 'checkbox'
+			)
+		),
+		'Pull Request comments' => array(
+			'i' => array(
+				'name' => 'Pull Request number',
+				'type' => 'number',
+				'required' => true
+			)
+		)
+	);
+
+	const BRIDGE_OPTIONS = array(0 => 'Project Pull Requests', 1 => 'Pull Request comments');
+	const URL_PATH = 'pull';
+	const SEARCH_QUERY_PATH = 'pulls';
+	const SEARCH_QUERY = '?q=is%3Apr+sort%3Aupdated-desc';
+}