Initial revision

1 files changed, 254 insertions, 0 deletions

diff --git a/forum/utils/posts.php b/forum/utils/posts.php
new file mode 100644
index 0000000..c301852
--- /dev/null
+++ b/forum/utils/posts.php
@@ -0,0 +1,254 @@
+<?php
+
+include_once($UTIL_DIR . "/convert.php");
+include_once($UTIL_DIR . "/threads.php");
+include_once($UTIL_DIR . "/parser.php");
+
+class Post {
+	public $pid;
+	public $user;
+	public $title;
+	public $date;
+	public $message;
+	public $replies = array();
+
+	public function write($fp, $indent)
+	{
+		fwrite($fp, $indent . "<post pid=\"" . $this->pid . "\"\n");
+		fwrite($fp, $indent . "      user=\"" . $this->user . "\"\n");
+		fwrite($fp, $indent . "      title=\"" . convert_xml($this->title) . "\"\n");
+		fwrite($fp, $indent . "      date=\"" . $this->date . "\">\n");
+		fwrite($fp, $indent . "  <message>" . convert_xml($this->message) . "</message>\n");
+
+		foreach($this->replies as $reply) {
+			$reply->write($fp, $indent . "  ");
+		}
+		
+		fwrite($fp, $indent . "</post>\n");
+	}
+
+	public function add($post) {
+		$key = $post->pid;
+		$this->replies[$key] = $post;
+	}
+
+	public function getPost($pid)
+	{
+		$result = false;
+
+		foreach($this->replies as $post) {
+			if($post->pid == $pid) return $post;
+			$result = $post->getPost($pid);
+			if($result) return $result;
+		}
+
+		return $result;
+	}
+
+	public function show($indent = "", $recurse = true)
+	{
+		global $users, $fid, $tid, $current_user, $client_is_mobile_device;
+		$user = $users->getUser($this->user);
+
+		echo $indent . "<div class=\"post\">\n";
+		if($client_is_mobile_device) {
+			$avatar = "mobileavatar.gif";
+		} else {
+			if($user->avatar) $avatar = $user->avatar;
+			else $avatar = "default.gif";
+		}
+		echo $indent . "  <img class=\"avatar\" alt=\"avatar\" src=\"gfx/avatars/" . $avatar . "\"/>\n";
+		if(!$client_is_mobile_device) {
+			echo $indent . "  <div class=\"id\">ID: " . $this->pid . "</div>\n";
+			echo $indent . "  <div class=\"title\">Title: " . convert_xml($this->title) . "</div>\n";
+		}
+		echo $indent . "  <div class=\"user\">";
+		if(!$client_is_mobile_device) echo "UserID: ";
+		echo $user->name . "</div>\n";
+		echo $indent . "  <div class=\"date\">";
+		if(!$client_is_mobile_device) echo "Date: ";
+		echo date("j. M Y - G:i", $this->date) . "</div>\n";
+		echo $indent . "  <div class=\"message\">\n";
+		echo parse($this->message, $indent . "    ") . "\n";
+		echo $indent . "  </div>\n";
+		echo $indent . "  <div class=\"buttons\">\n";
+
+		if($current_user->uid == $this->user) {
+			echo $indent .
+				"    <a href=\"?mode=editor&amp;task=edit&amp;fid=".$fid.
+				"&amp;tid=".$tid.
+				"&amp;pid=".$this->pid."\">";
+			echo "<img alt=\"edit\" src=\"gfx/btn_edit.gif\"/></a>\n";
+		}
+
+		echo $indent .
+			"    <a href=\"?mode=editor&amp;task=quote&amp;fid=".$fid.
+			"&amp;tid=".$tid.
+			"&amp;pid=".$this->pid."\">";
+		echo "<img alt=\"quote\" src=\"gfx/btn_quote.gif\"/></a>\n";
+
+		echo $indent .
+			"    <a href=\"?mode=editor&amp;task=reply&amp;fid=".$fid.
+			"&amp;tid=".$tid.
+			"&amp;pid=".$this->pid."\">";
+		echo "<img alt=\"reply\" src=\"gfx/btn_reply.gif\"/></a>\n";
+
+		echo $indent . "  </div>\n";
+		echo $indent . "  <div class=\"replies\">\n";
+
+		if($recurse) {
+			foreach($this->replies as $reply) {
+				$reply->show($indent . "    ");
+			}
+		}
+
+		echo $indent . "  </div>\n";
+		echo $indent . "</div>\n";
+	}
+
+	public function Post($pid, $title, $user, $date, $message = "")
+	{
+		$this->pid = $pid;
+		$this->title = $title;
+		$this->user = $user;
+		$this->date = $date;
+		$this->message = $message;
+	}
+}
+
+class Posts {
+	private $file;
+	private $posts = array();
+	public $thread;
+	private $posts_linear = array();
+	private $maxkey = 0;
+	
+	public function nextkey() {
+		$this->maxkey++;
+		return $this->maxkey;
+	}
+
+	public function add($post) {
+		$key = $post->pid;
+		$this->posts[$key] = $post;
+	}
+	
+	public function write()
+	{
+		$fp = fopen($this->file, "w");
+
+		$block = TRUE;
+		flock($fp, LOCK_EX, $block); // do an exclusive lock
+
+		fwrite($fp, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
+
+		if($this->thread->lastseen) {
+			foreach($this->thread->lastseen as $key => $value) {
+				if($lastseenstr != "") $lastseenstr .= ",";
+				$lastseenstr .= $key . "=" . $value;
+			}
+		}
+
+		fwrite($fp, "<thread tid=\"" . $this->thread->tid . "\"\n");
+		fwrite($fp, "        name=\"" . convert_xml($this->thread->name) . "\"\n");
+		fwrite($fp, "        lastpost=\"" . $this->thread->lastpost . "\"\n");
+		fwrite($fp, "        lastseen=\"" . $lastseenstr . "\">\n");
+
+		foreach($this->posts as $post) {
+			$post->write($fp, "  ");
+		}
+
+		fwrite($fp, "</thread>\n");
+
+		fclose($fp);
+	}
+
+	public function getPost($pid)
+	{
+		$result = false;
+
+		foreach($this->posts as $post) {
+			if($post->pid == $pid) return $post;
+			$result = $post->getPost($pid);
+			if($result) return $result;
+		}
+
+		return $result;
+	}
+
+	public function show()
+	{
+		global $current_user;
+		echo "<h1 id=\"top\">" . $this->thread->name . "</h1>";
+		
+		/* // Recursive
+		foreach($this->posts as $post) {
+			$post->show();
+		}
+		*/
+		
+		// Linear
+		foreach($this->posts_linear as $post) {
+			$post->show("", false);
+		}
+		
+		$this->thread->lastseen[$current_user->uid] = time();
+
+		$this->write();
+
+		echo "<p><a href=\"#top\">Back to the top</a></p>";
+	}
+
+	private function recurser($parentpost, $element)
+	{
+		if($element->tagName != "post") return;
+
+		$post = new Post($element->getAttribute('pid'),
+										 $element->getAttribute('title'),
+										 $element->getAttribute('user'),
+										 $element->getAttribute('date'));
+
+		$this->posts_linear[$post->date . "-" . $post->pid] = $post;
+
+		if($post->pid > $this->maxkey) $this->maxkey = $post->pid;
+		
+		if($parentpost) $parentpost->add($post);
+		else $this->add($post);
+
+		foreach($element->childNodes as $child) {
+			if($child->tagName == "post")
+				$this->recurser($post, $child);
+			if($child->tagName == "message")
+				$post->message = $child->textContent;
+		}
+	}
+
+	private function read()
+	{
+		$dom = new DomDocument;
+		$dom->resolveExternals = FALSE;
+		$dom->substituteEntities = FALSE;
+		$dom->preserveWhiteSpace = FALSE;
+		$dom->load($this->file);
+		
+		$thread = $dom->documentElement;
+		$this->thread = new Thread($thread->getAttribute('tid'),
+															 $thread->getAttribute('name'),
+															 $thread->getAttribute('lastpost'),
+															 $thread->getAttribute('lastseen'));
+		foreach($thread->childNodes as $child) {
+			$this->recurser(false, $child);
+		}
+
+		// The linear list should be sorted.
+		sort($this->posts_linear);
+	}
+
+	public function Posts($file)
+	{
+		$this->file = $file;
+		if(file_exists($this->file))	$this->read();
+	}
+
+}
+?>