mobile: fix headline ordering

mobile: fix htmlpurifier cache being included from wrong directory
mobile: implement ability to mark article as unread (closes #367)

functions.php

@@ -120,7 +120,11 @@
 	@$config->set('HTML', 'Allowed', $allowed);
 	$config->set('Output.FlashCompat', true);
 	$config->set('Attr.EnableID', true);
+	if (!defined('MOBILE_VERSION')) {
 		@$config->set('Cache', 'SerializerPath', CACHE_DIR . "/htmlpurifier");
+	} else {
+		@$config->set('Cache', 'SerializerPath', "../" . CACHE_DIR . "/htmlpurifier");
+	}
 
 	$purifier = new HTMLPurifier($config);
 

mobile/backend.php

@@ -35,6 +35,13 @@
 
 		publishArticlesById($link, array($id), $cmode);
 		break;
+	case "toggleUnread":
+		$cmode = db_escape_string($_REQUEST["unread"]);
+		$id = db_escape_string($_REQUEST["id"]);
+
+		catchupArticlesById($link, array($id), $cmode);
+		break;
+
 	case "setPref":
 		$id = db_escape_string($_REQUEST["id"]);
 		$value = db_escape_string($_REQUEST["to"]);

mobile/functions.php

@@ -339,7 +339,7 @@
 
 		$qfh_ret = queryFeedHeadlines($link, $feed_id, $limit,
 			$view_mode, $is_cat, $search, $search_mode, $match_on,
-			"unread DESC, updated, score", $offset);
+			"score DESC, date_entered DESC", $offset);
 
 		$result = $qfh_ret[0];
 		$feed_title = $qfh_ret[1];
@@ -523,6 +523,12 @@
 	                <div class=\"toggle\" onclick=\"togglePublished($id, this)\" toggled=\"$is_published\"><span class=\"thumb\"></span><span class=\"toggleOn\">ON</span><span class=\"toggleOff\">OFF</span></div>
 	            </div>";
 
+			print "<div class=\"row\">
+	                <label>Unread</label>
+	                <div class=\"toggle\" onclick=\"toggleUnread($id, this)\" toggled=\"$is_unread\"><span class=\"thumb\"></span><span class=\"toggleOn\">ON</span><span class=\"toggleOff\">OFF</span></div>
+	            </div>";
+
+
 			print "</fieldset>";
 
 			print "</div>";

mobile/mobile.js

@@ -39,6 +39,26 @@ function togglePublished(id, elem) {
 
 }
 
+function toggleUnread(id, elem) {
+
+	var toggled = false;
+
+	if (elem.getAttribute("toggled") == "true") {
+		toggled = 1;
+	} else {
+		toggled = 0;
+	}
+
+	var query = "?op=toggleUnread&id=" + id + "&unread=" + toggled;
+
+	new Ajax.Request(backend, {
+		parameters: query,
+		onComplete: function (transport) {
+			//
+		} });
+
+}
+
 function setPref(elem) {
 	var toggled = false;
 	var id = elem.id;