offline: add progress indicator; tweak download intervals and amount of articles

modules/backend-rpc.php

@@ -516,14 +516,14 @@
 
 		if ($subop == "download") {
 			$stage = (int) $_REQUEST["stage"];
-			$cidt = db_escape_string($_REQUEST["cidt"]);
+			$cidt = (int)db_escape_string($_REQUEST["cidt"]);
-			$cidb = db_escape_string($_REQUEST["cidb"]);
+			$cidb = (int)db_escape_string($_REQUEST["cidb"]);
 			$sync = db_escape_string($_REQUEST["sync"]);
 			//$amount = (int) $_REQUEST["amount"];
 			//$unread_only = db_escape_string($_REQUEST["unread_only"]);
 			//if (!$amount) $amount = 50;
 
-			$amount = 100;
+			$amount = 2000;
 			$unread_only = true;
 
 			print "<rpc-reply>";
@@ -653,7 +653,7 @@
 			if ($stage > 0) {
 				print "<articles>";
 
-				$limit = 50;
+				$limit = 200;
 				$skip = $limit*($stage-1);
 
 				print "<limit value=\"$limit\"/>";
@@ -669,7 +669,7 @@
 					}
 
 					if ($cidt && $cidb) {
-						$cid_qpart =  "(id > $cidt OR id < $cidb) AND ";
+						$cid_qpart =  "(ttrss_entries.id > $cidt OR ttrss_entries.id < $cidb) AND ";
 					}
 
 					if (DB_TYPE == "pgsql") {

offline.js

@@ -679,7 +679,7 @@ function offline_download_parse(stage, transport) {
 						[id, caption, fg_color, bg_color]);
 				}
 
-				window.setTimeout("update_offline_data("+(stage+1)+")", 10*1000);
+				window.setTimeout("update_offline_data("+(stage+1)+")", 5*1000);
 			} else {
 
 				var articles = transport.responseXML.getElementsByTagName("article");
@@ -723,13 +723,20 @@ function offline_download_parse(stage, transport) {
 				var has_sync_data = has_local_sync_data();
 
 				if (articles_found >= limit || has_sync_data) {
-					window.setTimeout("update_offline_data("+(stage+1)+")", 10*1000);
+					window.setTimeout("update_offline_data("+(stage+1)+")", 5*1000);
 					debug("<b>update_offline_data: done " + stage + " HSD: " + 
 						has_sync_data + "</b>");
 				} else {
 					window.setTimeout("update_offline_data(0)", 180*1000);
 					debug("update_offline_data: finished");
 
+					var pic = $("restartOfflinePic");
+
+					if (pic) { 
+						pic.src = "images/offline.png";
+						pic.title = __("Restart in offline mode");
+					}			 
+
 					db.execute("DELETE FROM articles WHERE "+
 						"updated < DATETIME('NOW', 'localtime', '-31 days')");
 
@@ -737,6 +744,7 @@ function offline_download_parse(stage, transport) {
 			}
 
 			update_local_sync_data();
+		
 
 //			notify('');
 
@@ -778,6 +786,13 @@ function update_offline_data(stage) {
 
 		debug(query + "/" + to_sync);
 
+		var pic = $("restartOfflinePic");
+
+		if (pic) {
+			pic.src = "images/offline-sync.gif";
+			pic.title = __("Synchronizing offline data...");
+		}
+
 		new Ajax.Request(query, {
 			parameters: to_sync,
 			onComplete: function(transport) {