updatenotify: cache tables and notify group members

modules/updatenotify.lua

@@ -2,10 +2,13 @@ pfUI:RegisterModule("updatenotify", 20400, function ()
   local alreadyshown = false
   local localversion  = tonumber(pfUI.version.major*10000 + pfUI.version.minor*100 + pfUI.version.fix)
   local remoteversion = tonumber(pfUI_init.updateavailable) or 0
+  local loginchannels = { "BATTLEGROUND", "RAID", "GUILD" }
+  local groupchannels = { "BATTLEGROUND", "RAID" }
 
   pfUI.updater = CreateFrame("Frame")
   pfUI.updater:RegisterEvent("CHAT_MSG_ADDON")
   pfUI.updater:RegisterEvent("PLAYER_ENTERING_WORLD")
+  pfUI.updater:RegisterEvent("PARTY_MEMBERS_CHANGED")
   pfUI.updater:SetScript("OnEvent", function()
     if event == "CHAT_MSG_ADDON" and arg1 == "pfUI" then
       local v, remoteversion = pfUI.api.strsplit(":", arg2)
@@ -17,6 +20,16 @@ pfUI:RegisterModule("updatenotify", 20400, function ()
       end
     end
 
+    if event == "PARTY_MEMBERS_CHANGED" then
+      local groupsize = GetNumRaidMembers() > 0 and GetNumRaidMembers() or GetNumPartyMembers() > 0 and GetNumPartyMembers() or 0
+      if ( this.group or 0 ) < groupsize then
+        for _, chan in pairs(groupchannels) do
+          SendAddonMessage("pfUI", "VERSION:" .. localversion, chan)
+        end
+      end
+      this.group = groupsize
+    end
+
     if event == "PLAYER_ENTERING_WORLD" then
       if not alreadyshown and localversion < remoteversion then
         DEFAULT_CHAT_FRAME:AddMessage(T["|cff33ffccpf|rUI: New version available! Have a look at http://shagu.org !"])
@@ -25,7 +38,7 @@ pfUI:RegisterModule("updatenotify", 20400, function ()
         alreadyshown = true
       end
 
-      for _, chan in pairs({ "BATTLEGROUND", "RAID", "GUILD" }) do
+      for _, chan in pairs(loginchannels) do
         SendAddonMessage("pfUI", "VERSION:" .. localversion, chan)
       end
     end