public async Task <Ship> PurchaseNewShip(string shipType)
{
if (kingdom.Id > 0 &&
kingdom.Buildings.Any(b => b.Type == BuildingType.barracks) &&
restrictionsService.FoodRateProduction(kingdom.Id) &&
await restrictionsService.GoldAvailableForShips(kingdom.Id, shipType)
)
{
return(await shipService.CreateNewShip(shipType));
}
return(null);
}