Web: Show active forum topics at dev info page

htdocs/devinfo/index.php

@@ -64,6 +64,18 @@ the latest sources in a zip or tgz archive</a> from the github website.</p>
   print("</ul>\n");
 ?>
 <p><a href="http://sourceforge.net/apps/trac/cppcheck/timeline">View complete Trac timeline&hellip;</a></p>
+<h2>Active Forum Topics</h2>
+<?php
+  require '../site/activetopics.php';
+
+  $activetopics = new Forum_ActiveTopics('http://sourceforge.net/apps/phpbb/cppcheck/');
+  print("<ul class=\"rssfeeditems\">\n");
+  foreach ($activetopics->getTopics(0, 10) as $topic) { //for all active topics...
+    print("  <li><a href=\"".$topic->getLink()."\">".$topic->getTitle()."</a><em>last post by <strong>".$topic->getLastPostUser()."</strong></em></li>\n");
+  }
+  print("</ul>\n");
+?>
+<p><a href="http://sourceforge.net/apps/phpbb/cppcheck/search.php?st=0&amp;search_id=active_topics">View all active topics&hellip;</a></p>
 <h2>Doxygen</h2>
 <ul>
   <li><a href="/doxyoutput/">Output</a></li>

htdocs/site/activetopics.php

@@ -0,0 +1,188 @@
+<?php
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+class Forum_ActiveTopics {
+    /**
+     * ...
+     * @var string ...
+     */
+    private $_forumHome;
+
+    /**
+     * ...
+     * @var array ...
+     */
+    private $_topics;
+
+    /**
+     * ...
+     * @param string $forumHome ...
+     */
+    public function __construct($forumHome) {
+        $this->_forumHome = $forumHome;
+        $this->_topics = array();
+
+        $this->update();
+    }
+
+    /**
+     * ...
+     * @param int $start ...
+     * @param int $end ...
+     * @return array ...
+     */
+    public function getTopics($start = 0, $end = 0) {
+        if ($end == 0) {
+            return array_slice($this->_topics, $start);
+        }
+        else {
+            return array_slice($this->_topics, $start, $end);
+        }
+        //return $this->_topics;
+    }
+
+    /**
+     * ...
+     * @param int $days ...
+     */
+    public function update($days = 30) {
+        $this->_topics = array();
+        $html = file_get_contents($this->_forumHome . 'search.php?st=' . $days . '&search_id=active_topics');
+        $html = strip_tags($html, '<a><dd>');
+        $html = preg_replace(array('#\t#', '#&amp;sid=[a-z0-9]+#'), '', $html);
+        if (preg_match_all('#<a href="\./(.*?)" class="topictitle">(.*?)</a>#im', $html, $matches)) {
+            $lastPostUsers = array();
+            if (preg_match_all('#<dd class="lastpost">\nby <a href="\./(.*?)">(.*?)</a>#i', $html, $lastPosts)) {
+                $lastPostUserLinks = $lastPosts[1];
+                $lastPostUserNames = $lastPosts[2];
+                for ($i = 0; $i < count($lastPostUserLinks); $i++) { //for all users...
+                    $link = $this->_forumHome . $lastPostUserLinks[$i];
+                    $name = $lastPostUserNames[$i];
+
+                    $lastPostUsers[] = new Forum_User($link, $name);
+                }
+            }
+            $links = $matches[1];
+            $titles = $matches[2];
+            for ($i = 0; $i < count($links); $i++) { //for all topics...
+                $link = $this->_forumHome . $links[$i];
+                $title = $titles[$i];
+                $lastPostUser = $lastPostUsers[$i];
+
+                $this->_topics[] = new Forum_Topic($link, $title, $lastPostUser);
+            }
+        }
+    }
+}
+
+class Forum_Topic {
+    /**
+     * ...
+     * @var string ...
+     */
+    private $_link;
+
+    /**
+     * ...
+     * @var string ...
+     */
+    private $_title;
+
+    /**
+     * ...
+     * @var Forum_User ...
+     */
+    private $_lastPostUser;
+
+    /**
+     * ...
+     * @param string $link ...
+     * @param string $title ...
+     * @param Forum_User $lastPostUser ...
+     */
+    public function __construct($link, $title, $lastPostUser = null) {
+        $this->_link = $link;
+        $this->_title = $title;
+        $this->_lastPostUser = $lastPostUser;
+    }
+
+    /**
+     * ...
+     * @return string ...
+     */
+    public function getLink() {
+        return $this->_link;
+    }
+
+    /**
+     * ...
+     * @return string ...
+     */
+    public function getTitle() {
+        return $this->_title;
+    }
+
+    /**
+     * ...
+     * @return Forum_User ...
+     */
+    public function getLastPostUser() {
+        return $this->_lastPostUser;
+    }
+}
+
+class Forum_User {
+    /**
+     * ...
+     * @var string ...
+     */
+    private $_link;
+
+    /**
+     * ...
+     * @var string ...
+     */
+    private $_name;
+
+    /**
+     * ...
+     * @param string $link ...
+     * @param string $name ...
+     */
+    public function __construct($link, $name) {
+        $this->_link = $link;
+        $this->_name = $name;
+    }
+
+    /**
+     * ...
+     * @return string ...
+     */
+    public function getLink() {
+        return $this->_link;
+    }
+
+    /**
+     * ...
+     * @return string ...
+     */
+    public function getName() {
+        return $this->_name;
+    }
+
+    /**
+     * ...
+     */
+    public function __toString() {
+        return $this->_name;
+    }
+}
+?>