# HG changeset patch
# User Kim Alvefur <zash@zash.se>
# Date 1415185969 -3600
# Node ID a104a159697d4282d26f6989d3930c79a73b8f09
# Parent  814398c7139beb5ca2a405d5dead351686ad6d02
mod_roster_allinall: Adds all online users to the roster of newly signed in users, for a lazy everyone-in-everyones roster setup

diff -r 814398c7139b -r a104a159697d mod_roster_allinall/mod_roster_allinall.lua
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mod_roster_allinall/mod_roster_allinall.lua	Wed Nov 05 12:12:49 2014 +0100
@@ -0,0 +1,44 @@
+local rostermanager = require"core.rostermanager";
+local jid_join = require"util.jid".join;
+local jid_split = require"util.jid".split;
+local host = module.host;
+local sessions = hosts[host].sessions;
+
+-- Make a *one-way* subscription. User will see when contact is online,
+-- contact will not see when user is online.
+local function subscribe(user, contact)
+	local user_jid, contact_jid = jid_join(user, host), jid_join(contact, host);
+
+	-- Update user's roster to say subscription request is pending...
+	rostermanager.set_contact_pending_out(user, host, contact_jid);
+	-- Update contact's roster to say subscription request is pending...
+	rostermanager.set_contact_pending_in(contact, host, user_jid);
+	-- Update contact's roster to say subscription request approved...
+	rostermanager.subscribed(contact, host, user_jid);
+	-- Update user's roster to say subscription request approved...
+	rostermanager.process_inbound_subscription_approval(user, host, contact_jid);
+
+	rostermanager.roster_push(user, host, contact_jid);
+	rostermanager.roster_push(contact, host, user_jid);
+end
+
+
+module:hook("resource-bind", function(event)
+	local session = event.session;
+	local roster = session.roster;
+	local user = session.username;
+	local user_jid = jid_join(user, host);
+	local contact_jid;
+	for contact, contact_session in pairs(sessions) do
+		if contact ~= user then
+			contact_jid = jid_join(contact, host);
+			if not rostermanager.is_contact_subscribed(user, host, contact_jid) then
+				subscribe(contact, user);
+			end
+			if not rostermanager.is_contact_subscribed(contact, host, user_jid) then
+				subscribe(user, contact);
+			end
+		end
+	end
+end);
+