more chat infrastructure

include/chat.php

@@ -83,8 +83,10 @@ function chatroom_enter($observer_xchan,$room_id,$status,$client) {
 	$r = q("select * from chatroom where cr_id = %d limit 1",
 		intval($room_id)
 	);
-	if(! $r)
-		return;
+	if(! $r) {
+		notice( t('Room not found.') . EOL);
+		return false;
+	}
 	require_once('include/security.php');
 	$sql_extra = permissions_sql($r[0]['cr_uid']);
 
@@ -94,7 +96,7 @@ function chatroom_enter($observer_xchan,$room_id,$status,$client) {
 	);
 	if(! $x) {
 		notice( t('Permission denied.') . EOL);
-		return;
+		return false;
 	}
 
 	$r = q("select * from chatpresence where cp_xchan = '%s' and cp_room = %d limit 1",
@@ -122,12 +124,13 @@ function chatroom_enter($observer_xchan,$room_id,$status,$client) {
 }
 
 
-function chatroom_leave($observer_xchan,$room_id,$status) {
+function chatroom_leave($observer_xchan,$room_id,$client) {
 	if(! $room_id || ! $observer_xchan)
 		return;
-	$r = q("select * from chatpresence where cp_xchan = '%s' and cp_room = %d limit 1",
+	$r = q("select * from chatpresence where cp_xchan = '%s' and cp_room = %d and cp_client = '%s' limit 1",
 		dbesc($observer_xchan),
-		intval($room_id)
+		intval($room_id),
+		dbesc($client)
 	);
 	if($r) {
 		q("delete from chatpresence where cp_id = %d limit 1",

mod/chat.php

@@ -0,0 +1,62 @@
+<?php /** @file */
+
+require_once('include/chat.php');
+
+function chat_init(&$a) {
+
+	$which = null;
+	if(argc() > 1)
+		$which = argv(1);
+	if(! $which) {
+		if(local_user()) {
+			$channel = $a->get_channel();
+			if($channel && $channel['channel_address'])
+			$which = $channel['channel_address'];
+		}
+	}
+	if(! $which) {
+		notice( t('You must be logged in to see this page.') . EOL );
+		return;
+	}
+
+	$profile = 0;
+	$channel = $a->get_channel();
+
+	if((local_user()) && (argc() > 2) && (argv(2) === 'view')) {
+		$which = $channel['channel_address'];
+		$profile = argv(1);		
+	}
+
+	$a->page['htmlhead'] .= '<link rel="alternate" type="application/atom+xml" href="' . $a->get_baseurl() . '/feed/' . $which .'" />' . "\r\n" ;
+
+	// Run profile_load() here to make sure the theme is set before
+	// we start loading content
+
+	profile_load($a,$which,$profile);
+
+}
+
+
+function chat_content(&$a) {
+
+	if(! perm_is_allowed($a->profile['profile_uid'],get_observer_hash(),'chat')) {
+		notice( t('Permission denied.') . EOL);
+		return;
+	}
+	
+	if((argc() > 3) && intval(argv(2)) && (argv(3) === 'leave')) {
+		chatroom_leave(get_observer_hash(),$room_id,$_SERVER['REMOTE_ADDR']);
+		goaway(z_root() . '/channel/' . argv(1));
+	}
+
+
+	if(argc() > 2 && intval(argv(2))) {
+		$room_id = intval(argv(2));
+		$x = chatroom_enter(get_observer_hash(),$room_id,'online',$_SERVER['REMOTE_ADDR']);
+		if(! $x)
+			return;
+		$o = replace_macros(get_markup_template('chat.tpl'),array());
+		return $o;
+	}
+
+}

view/tpl/chat.tpl

@@ -0,0 +1,18 @@
+<div id="chatContainer">
+
+    <div id="chatTopBar" class="rounded"></div>
+    <div id="chatLineHolder"></div>
+
+    <div id="chatUsers" class="rounded"></div>
+
+    <div id="chatBottomBar" class="rounded">
+        <div class="tip"></div>
+
+        <form id="submitForm" method="post" action="">
+            <input id="chatText" name="chatText" class="rounded" maxlength="255" />
+            <input type="submit" class="blueButton" value="Submit" />
+        </form>
+
+    </div>
+
+</div>