refactoring

core/history.lua

@@ -17,19 +17,19 @@ do
 end
 
 do
-	local time = 0
+	local cache = 0
 	function private.next_push.get()
-		if time() > time then
+		if time() > cache then
 			local date = date('*t')
 			date.hour, date.min, date.sec = 24, 0, 0
-			time = time(date)
+			cache = time(date)
 		end
-		return time
+		return cache
 	end
 end
 
 function private.new_record.get()
-	return -object('next_push', next_push, 'data_points', t)
+	return T('next_push', next_push, 'data_points', t)
 end
 
 function read_record(item_key)
@@ -78,7 +78,7 @@ function public.value(item_key)
 			for _, data_point in item_record.data_points do
 				local weight = .99 ^ round((item_record.data_points[1].time - data_point.time) / (60 * 60 * 24))
 				total_weight = total_weight + weight
-				tinsert(weighted_values, -object('value', data_point.market_value, 'weight', weight))
+				tinsert(weighted_values, T('value', data_point.market_value, 'weight', weight))
 			end
 			for _, weighted_value in weighted_values do
 				weighted_value.weight = weighted_value.weight / total_weight
@@ -87,7 +87,7 @@ function public.value(item_key)
 		else
 			value = calculate_market_value(item_record)
 		end
-		value_cache[item_key] = -object('value', value, 'next_push', item_record.next_push)
+		value_cache[item_key] = T('value', value, 'next_push', item_record.next_push)
 	end
 	return value_cache[item_key].value
 end
@@ -113,7 +113,7 @@ end
 
 function push_record(item_record)
 	for market_value in present(calculate_market_value(item_record)) do
-		tinsert(item_record.data_points, 1, -object('market_value', market_value, 'time', item_record.next_push))
+		tinsert(item_record.data_points, 1, T('market_value', market_value, 'time', item_record.next_push))
 		while getn(item_record.data_points) > 11 do
 			tremove(item_record.data_points)
 		end