1 files changed, 58 insertions, 0 deletions
diff --git a/plugins/muc/persistent.lib.lua b/plugins/muc/persistent.lib.lua
new file mode 100644
index 00000000..c3b16ea4
--- /dev/null
+++ b/plugins/muc/persistent.lib.lua
@@ -0,0 +1,58 @@
+-- Prosody IM
+-- Copyright (C) 2008-2010 Matthew Wild
+-- Copyright (C) 2008-2010 Waqas Hussain
+-- Copyright (C) 2014 Daurnimator
+--
+-- This project is MIT/X11 licensed. Please see the
+-- COPYING file in the source package for more information.
+--
+
+local restrict_persistent = not module:get_option_boolean("muc_room_allow_persistent", true);
+local um_is_admin = require "core.usermanager".is_admin;
+
+local function get_persistent(room)
+	return room._data.persistent;
+end
+
+local function set_persistent(room, persistent)
+	persistent = persistent and true or nil;
+	if get_persistent(room) == persistent then return false; end
+	room._data.persistent = persistent;
+	return true;
+end
+
+module:hook("muc-config-form", function(event)
+	if restrict_persistent and not um_is_admin(event.actor, module.host) then
+		-- Don't show option if hidden rooms are restricted and user is not admin of this host
+		return;
+	end
+	table.insert(event.form, {
+		name = "muc#roomconfig_persistentroom";
+		type = "boolean";
+		label = "Persistent (room should remain even when it is empty)";
+		desc = "Rooms are automatically deleted when they are empty, unless this option is enabled";
+		value = get_persistent(event.room);
+	});
+end, 100-5);
+
+module:hook("muc-config-submitted/muc#roomconfig_persistentroom", function(event)
+	if restrict_persistent and not um_is_admin(event.actor, module.host) then
+		return; -- Not allowed
+	end
+	if set_persistent(event.room, event.value) then
+		event.status_codes["104"] = true;
+	end
+end);
+
+module:hook("muc-disco#info", function(event)
+	event.reply:tag("feature", {var = get_persistent(event.room) and "muc_persistent" or "muc_temporary"}):up();
+end);
+
+module:hook("muc-room-destroyed", function(event)
+	set_persistent(event.room, false);
+end, -100);
+
+return {
+	get = get_persistent;
+	set = set_persistent;
+};