-function save_roster(username, host)
- if hosts[host] and hosts[host].sessions[username] and hosts[host].sessions[username].roster then
- return datamanager.store(username, host, "roster", hosts[host].sessions[username].roster);
+function save_roster(username, host, roster)
+ log("debug", "save_roster: saving roster for "..username.."@"..host);
+ if not roster then
+ roster = hosts[host] and hosts[host].sessions[username] and hosts[host].sessions[username].roster;
+ --if not roster then
+ -- --roster = load_roster(username, host);
+ -- return true; -- roster unchanged, no reason to save
+ --end
+ end
+ if roster then
+ local metadata = roster[false];
+ if not metadata then
+ metadata = {};
+ roster[false] = metadata;
+ end
+ 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
+ return datamanager.store(username, host, "roster", roster);