new option: HIDE_READ_FEEDS (+ pref setting RPC calls) (closes #23)

backend.php

@@ -53,6 +53,12 @@
 		pg_query("set client_encoding = 'utf-8'");
 	}
 
+	if (get_pref($link, "HIDE_READ_FEEDS") == "true") {
+		setcookie("ttrss_vf_hreadf", 1);
+	} else {
+		setcookie("ttrss_vf_hreadf", 0);
+	}  
+
 	$fetch = $_GET["fetch"];
 
 	setcookie("ttrss_icons_url", ICONS_URL);
@@ -616,6 +622,24 @@
 
 		$subop = $_GET["subop"];
 
+		if ($subop == "setpref") {
+			if (WEB_DEMO_MODE) {
+				return;
+			}
+
+			print "<rpc-reply>";
+
+			$key = db_escape_string($_GET["key"]);
+			$value = db_escape_string($_GET["value"]);
+
+			set_pref($link, $key, $value);
+
+			print "<param-set key=\"$key\" value=\"$value\"/>";
+
+			print "</rpc-reply>";
+
+		}
+
 		if ($subop == "getLabelCounters") {
 			$aid = $_GET["aid"];		
 			print "<rpc-reply>";

db-prefs.php

@@ -57,4 +57,18 @@
 			return $value;
 		}
 	}
+
+	// doesn't peform any type checking, be vigilant
+	
+	function set_pref($link, $key, $value) {
+		$key = db_escape_string($key);
+		$value = db_escape_string($value);
+	
+		db_query($link, "UPDATE ttrss_user_prefs SET 
+			value = '$value' WHERE pref_name = '$key' 
+				AND owner_uid = " . $_SESSION["uid"]);
+
+		$_SESSION["prefs_cache"] = array();
+
+	}
 ?>

schema/ttrss_schema_mysql.sql

@@ -235,6 +235,8 @@ insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id,help_
 
 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('ENABLE_SEARCH_TOOLBAR', 1, 'false', 'Enable search toolbar',2);
 
+insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('HIDE_READ_FEEDS', 1, 'false', 'Hide feeds with no unread messages',2);
+
 create table ttrss_user_prefs (
    owner_uid integer not null,
    pref_name varchar(250),

schema/ttrss_schema_pgsql.sql

@@ -213,6 +213,8 @@ insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id,help_
 
 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('ENABLE_SEARCH_TOOLBAR', 1, 'false', 'Enable search toolbar',2);
 
+insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('HIDE_READ_FEEDS', 1, 'false', 'Hide feeds with no unread messages',2);
+
 create table ttrss_user_prefs (
 	owner_uid integer not null references ttrss_users(id) ON DELETE CASCADE,
 	pref_name varchar(250) not null references ttrss_prefs(pref_name) ON DELETE CASCADE,

schema/upgrade-1.1.1-1.1.2-mysql.sql

@@ -10,6 +10,8 @@ update ttrss_feeds set private = false;
 alter table ttrss_feeds change private private bool not null;
 alter table ttrss_feeds alter column private set default 0;
 
+insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('HIDE_READ_FEEDS', 1, 'false', 'Hide feeds with no unread messages',2);
+
 update ttrss_version set schema_version = 4;
 
 commit;

schema/upgrade-1.1.1-1.1.2-pgsql.sql

@@ -10,6 +10,8 @@ update ttrss_feeds set private = false;
 alter table ttrss_feeds alter column private set not null;
 alter table ttrss_feeds alter column private set default false;
 
+insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('HIDE_READ_FEEDS', 1, 'false', 'Hide feeds with no unread messages',2);
+
 update ttrss_version set schema_version = 4;
 
 commit;

tt-rss.js

@@ -72,6 +72,31 @@ function dlg_display_callback() {
 	} 
 }
 
+function hide_unread_callback() {
+	if (xmlhttp.readyState == 4) {
+
+		try {
+
+			var reply = xmlhttp.responseXML.firstChild.firstChild;
+			var value = reply.getAttribute("value");
+			var hide_read_feeds = (value != "false")
+			var feeds_doc = window.frames["feeds-frame"].document;
+	
+			hideOrShowFeeds(feeds_doc, hide_read_feeds);
+	
+			if (hide_read_feeds) {
+				setCookie("ttrss_vf_hreadf", 1);
+			} else {
+				setCookie("ttrss_vf_hreadf", 0);
+			} 
+
+		} catch (e) {
+			exception_error("hide_unread_callback", e);
+		}
+
+	} 
+}
+
 function refetch_callback() {
 	if (xmlhttp.readyState == 4) {
 		try {
@@ -504,6 +529,11 @@ function qaddFilter() {
 
 function displayDlg(id, param) {
 
+	if (!xmlhttp_ready(xmlhttp)) {
+		printLockingError();
+		return
+	}
+
 	notify("");
 
 	xmlhttp.open("GET", "backend.php?op=dlg&id=" +
@@ -524,6 +554,11 @@ function qfdDelete(feed_id) {
 
 	notify("Removing feed...");
 
+	if (!xmlhttp_ready(xmlhttp)) {
+		printLockingError();
+		return
+	}
+
 //	var feeds_doc = window.frames["feeds-frame"].document;
 //	feeds_doc.location.href = "backend.php?op=error&msg=Loading,%20please wait...";
 
@@ -563,19 +598,26 @@ function updateFeedTitle(t) {
 }
 
 function toggleDispRead() {
+	try {
+
+		if (!xmlhttp_ready(xmlhttp)) {
+			printLockingError();
+			return
+		}
+
 		var hide_read_feeds = (getCookie("ttrss_vf_hreadf") == 1);
 
 		hide_read_feeds = !hide_read_feeds;
 	
-	var feeds_doc = window.frames["feeds-frame"].document;
+		var query = "backend.php?op=rpc&subop=setpref" +
+			"&key=HIDE_READ_FEEDS&value=" + param_escape(hide_read_feeds);
 
-	hideOrShowFeeds(feeds_doc, hide_read_feeds);
+		xmlhttp.open("GET", query);
+		xmlhttp.onreadystatechange=hide_unread_callback;
+		xmlhttp.send(null);
 		
-	if (hide_read_feeds) {
-		setCookie("ttrss_vf_hreadf", 1);
-	} else {
-		setCookie("ttrss_vf_hreadf", 0);
+	} catch (e) {
+		exception_error("toggleDispRead", e);
 	}
-
 }