savedvariables refactoring

core/cache.lua

@@ -39,6 +39,22 @@ function LOAD()
 	end)
 end
 
+do
+	local characters = empty
+	function M.is_player(name)
+		return characters[name] and true or false
+	end
+	function LOAD2()
+		characters = persistence.realm'characters'
+		for k, v in characters do
+			if GetTime() > v + 60 * 60 * 24 * 30 then
+				characters[k] = nil
+			end
+		end
+		characters[UnitName'player'] = GetTime()
+	end
+end
+
 do
 	local sell_scan_queued, incomplete_buy_data
 	function on_merchant_show()

core/history.lua

@@ -9,16 +9,8 @@ local history_schema = {'tuple', '#', {next_push='number'}, {daily_min_buyout='n
 
 local value_cache = {}
 
-do
-	local cache
-	function get_data()
-		if not cache then
-			local dataset = persistence.dataset
-			cache = dataset.history or T
-			dataset.history = cache
-		end
-		return cache
-	end
+function LOAD2()
+	data = persistence.faction'history'
 end
 
 do