From 28c58565ace33870970010c9d195c5da5d9cf4d1 Mon Sep 17 00:00:00 2001
From: Kim Alvefur <zash@zash.se>
Date: Fri, 3 Apr 2015 06:38:22 +0200
Subject: rostermanager, mod_roster, mod_presence: Move pending roster items to
 roster metadata field

---
 core/rostermanager.lua | 40 +++++++++++++++++++++++++---------------
 1 file changed, 25 insertions(+), 15 deletions(-)

(limited to 'core')

diff --git a/core/rostermanager.lua b/core/rostermanager.lua
index 8c7612b4..19d07c94 100644
--- a/core/rostermanager.lua
+++ b/core/rostermanager.lua
@@ -54,7 +54,7 @@ function remove_from_roster(session, jid)
 end
 
 function roster_push(username, host, jid)
-	local roster = jid and jid ~= "pending" and hosts[host] and hosts[host].sessions[username] and hosts[host].sessions[username].roster;
+	local roster = jid and hosts[host] and hosts[host].sessions[username] and hosts[host].sessions[username].roster;
 	if roster then
 		local item = hosts[host].sessions[username].roster[jid];
 		local stanza = st.iq({type="set"});
@@ -79,6 +79,22 @@ function roster_push(username, host, jid)
 	end
 end
 
+local function roster_metadata(roster, err)
+	local metadata = roster[false];
+	if not metadata then
+		metadata = { broken = err or nil };
+		roster[false] = metadata;
+	end
+	if not metadata.pending then
+		if roster.pending and not type(roster.pending.subscription) == "string" then
+			metadata.pending, roster.pending = roster.pending, nil;
+		else
+			metadata.pending = {};
+		end
+	end
+	return metadata;
+end
+
 function load_roster(username, host)
 	local jid = username.."@"..host;
 	log("debug", "load_roster: asked for: %s", jid);
@@ -94,7 +110,7 @@ function load_roster(username, host)
 	local data, err = datamanager.load(username, host, "roster");
 	roster = data or {};
 	if user then user.roster = roster; end
-	if not roster[false] then roster[false] = { broken = err or nil }; end
+	roster_metadata(roster, err);
 	if roster[jid] then
 		roster[jid] = nil;
 		log("warn", "roster for %s has a self-contact", jid);
@@ -120,15 +136,11 @@ function save_roster(username, host, roster)
 		--end
 	end
 	if roster then
-		local metadata = roster[false];
-		if not metadata then
-			metadata = {};
-			roster[false] = metadata;
-		end
+		local metadata = roster_metadata(roster);
 		if metadata.version ~= true then
 			metadata.version = (metadata.version or 0) + 1;
 		end
-		if roster[false].broken then return nil, "Not saving broken roster" end
+		if metadata.broken then return nil, "Not saving broken roster" end
 		return datamanager.store(username, host, "roster", roster);
 	end
 	log("warn", "save_roster: user had no roster to save");
@@ -176,7 +188,7 @@ function process_inbound_unsubscribe(username, host, jid)
 	local item = roster[jid];
 	local changed = nil;
 	if is_contact_pending_in(username, host, jid) then
-		roster.pending[jid] = nil; -- TODO maybe delete roster.pending if empty?
+		roster[false].pending[jid] = nil;
 		changed = true;
 	end
 	if item then
@@ -213,7 +225,7 @@ end
 
 function is_contact_pending_in(username, host, jid)
 	local roster = load_roster(username, host);
-	return roster.pending and roster.pending[jid];
+	return roster[false].pending[jid];
 end
 function set_contact_pending_in(username, host, jid, pending)
 	local roster = load_roster(username, host);
@@ -221,8 +233,7 @@ function set_contact_pending_in(username, host, jid, pending)
 	if item and (item.subscription == "from" or item.subscription == "both") then
 		return; -- false
 	end
-	if not roster.pending then roster.pending = {}; end
-	roster.pending[jid] = true;
+	roster[false].pending[jid] = true;
 	return save_roster(username, host, roster);
 end
 function is_contact_pending_out(username, host, jid)
@@ -272,8 +283,7 @@ function subscribed(username, host, jid)
 		else -- subscription == to
 			item.subscription = "both";
 		end
-		roster.pending[jid] = nil;
-		-- TODO maybe remove roster.pending if empty
+		roster[false].pending[jid] = nil;
 		return save_roster(username, host, roster);
 	end -- TODO else implement optional feature pre-approval (ask = subscribed)
 end
@@ -282,7 +292,7 @@ function unsubscribed(username, host, jid)
 	local item = roster[jid];
 	local pending = is_contact_pending_in(username, host, jid);
 	if pending then
-		roster.pending[jid] = nil; -- TODO maybe delete roster.pending if empty?
+		roster[false].pending[jid] = nil;
 	end
 	local subscribed;
 	if item then
-- 
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