per-feed update intervals

backend.php

@@ -693,10 +693,15 @@
 		if ($subop == "editSave") {
 			$feed_title = db_escape_string($_GET["t"]);
 			$feed_link = db_escape_string($_GET["l"]);
+			$upd_intl = db_escape_string($_GET["ui"]);
 			$feed_id = $_GET["id"];
 
+			if (strtoupper($upd_intl) == "DEFAULT")
+				$upd_intl = 0;
+
 			$result = db_query($link, "UPDATE ttrss_feeds SET 
-				title = '$feed_title', feed_url = '$feed_link' WHERE id = '$feed_id'");			
+				title = '$feed_title', feed_url = '$feed_link',
+				update_interval = '$upd_intl' WHERE id = '$feed_id'");			
 
 		}
 
@@ -743,14 +748,16 @@
 		</table>";
 
 		$result = db_query($link, "SELECT 
-				id,title,feed_url,substring(last_updated,1,16) as last_updated
+				id,title,feed_url,substring(last_updated,1,16) as last_updated,
+				update_interval
 			FROM 
 				ttrss_feeds ORDER by title");
 
 		print "<p><table width=\"100%\" class=\"prefFeedList\" id=\"prefFeedList\">";
 		print "<tr class=\"title\">
 					<td>&nbsp;</td><td>Select</td><td width=\"40%\">Title</td>
-					<td width=\"40%\">Link</td><td>Last updated</td></tr>";
+					<td width=\"30%\">Link</td><td width=\"10%\">Update Interval</td>
+					<td>Last updated</td></tr>";
 		
 		$lnum = 0;
 		
@@ -787,7 +794,12 @@
 					$line["title"] . "</td>";		
 				print "<td><a href=\"javascript:editFeed($feed_id);\">" . 
 					$line["feed_url"] . "</td>";		
-			
+
+				if ($line["update_interval"] == "0")
+					$line["update_interval"] = "Default";
+
+				print "<td>" . $line["update_interval"] . "</td>";
+
 
 			} else if ($feed_id != $edit_feed_id) {
 
@@ -797,13 +809,19 @@
 				print "<td>".$line["title"]."</td>";		
 				print "<td>".$line["feed_url"]."</td>";		
 
+				if ($line["update_interval"] == "0")
+					$line["update_interval"] = "Default";
+
+				print "<td>" . $line["update_interval"] . "</td>";
+
 			} else {
 
 				print "<td><input disabled=\"true\" type=\"checkbox\"></td>";
 
 				print "<td><input id=\"iedit_title\" value=\"".$line["title"]."\"></td>";
 				print "<td><input id=\"iedit_link\" value=\"".$line["feed_url"]."\"></td>";
-						
+				print "<td><input id=\"iedit_updintl\" value=\"".$line["update_interval"]."\"></td>";
+					
 			}
 
 			if (!$line["last_updated"]) $line["last_updated"] = "Never";

config.php-dist

@@ -30,5 +30,7 @@
 	// crafted SQL queries. This feature is highly experimental and
 	// at this point not user friendly. Use with caution.
 
+	define(MIN_UPDATE_INTERVAL, 30);
+	// min. interval between feed updates, minutes
 ?>
 

functions.php

@@ -24,12 +24,20 @@
 
 		db_query($link, "BEGIN");
 
-		$result = db_query($link, "SELECT feed_url,id,last_updated FROM ttrss_feeds");
+		$result = db_query($link, "SELECT feed_url,id,
+			substring(last_updated,1,19) as last_updated,
+			update_interval FROM ttrss_feeds");
 
 		while ($line = db_fetch_assoc($result)) {
-//			if (!$line["last_updated"] || time() - strtotime($line["last_updated"]) > 1800) {
+			$upd_intl = $line["update_interval"];
+
+			if (!$upd_intl) $upd_intl = MIN_UPDATE_INTERVAL;
+
+			if (!$line["last_updated"] || 
+				time() - strtotime($line["last_updated"]) > ($upd_intl * 60)) {
+			
 				update_rss_feed($link, $line["feed_url"], $line["id"]);
-//			}
+			}
 		}
 
 		purge_old_posts($link);

prefs.js

@@ -454,9 +454,16 @@ function feedEditSave() {
 
 	var link = document.getElementById("iedit_link").value;
 	var title = document.getElementById("iedit_title").value;
+	var upd_intl = document.getElementById("iedit_updintl").value;
 
 //	notify("Saving feed.");
 
+	if (upd_intl < 0) {
+		notify("Update interval must be &gt;= 0 (0 = default)");
+		return;
+	}
+
+
 	if (link.length == 0) {
 		notify("Feed link cannot be blank.");
 		return;
@@ -470,7 +477,8 @@ function feedEditSave() {
 	active_feed = false;
 
 	xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editSave&id=" +
-		feed + "&l=" + param_escape(link) + "&t=" + param_escape(title) ,true);
+		feed + "&l=" + param_escape(link) + "&t=" + param_escape(title) +
+		"&ui=" + param_escape(upd_intl), true);
 	xmlhttp.onreadystatechange=feedlist_callback;
 	xmlhttp.send(null);
 

schema/ttrss_schema_mysql.sql

@@ -6,6 +6,7 @@ create table ttrss_feeds (id integer not null auto_increment primary key,
 	title varchar(200) not null unique, 
 	feed_url varchar(250) unique not null, 
 	icon_url varchar(250) not null default '',
+	update_interval integer not null default 0,
 	last_updated datetime default '') TYPE=InnoDB;
 
 insert into ttrss_feeds (title,feed_url) values ('Footnotes', 'http://gnomedesktop.org/node/feed');

schema/ttrss_schema_pgsql.sql

@@ -6,6 +6,7 @@ create table ttrss_feeds (id serial not null primary key,
 	title varchar(200) not null unique, 
 	feed_url varchar(250) unique not null, 
 	icon_url varchar(250) not null default '',
+	update_interval integer not null default 0,
 	last_updated timestamp default null);
 
 insert into ttrss_feeds (title,feed_url) values ('Footnotes', 'http://gnomedesktop.org/node/feed');

tt-rss.css

@@ -204,7 +204,7 @@ a:hover {
 	opacity : 0.8;
 }
 
-#iedit_title, #iedit_link, #iedit_regexp, #iedit_descr, #iedit_expr {
+#iedit_title, #iedit_link, #iedit_regexp, #iedit_descr, #iedit_expr, #iedit_updintl {
 	width : 100%;
 	padding-left : 2px;
 }