public MethodResult CanBuy(House house, Entity entity)
{
if (house == null)
{
return(new MethodResult(HouseErrors.HouseNotExist));
}
if (entity == null)
{
return(new MethodResult(HouseErrors.EntityNotExist));
}
if (entity.Is(EntityTypeEnum.Citizen) == false)
{
return(new MethodResult(HouseErrors.OnlyCitizenBuyHouse));
}
if (house.SellHouse == null)
{
return(new MethodResult(HouseErrors.NotOnSell));
}
if (HaveEnoughCashToBuy(house, entity) == false)
{
return(new MethodResult(HouseErrors.NotEnoughCash));
}
if (houseRepository.HasHouseInRegion(entity.EntityID, house.RegionID))
{
return(new MethodResult(HouseErrors.AlreadyHaveHouse));
}
return(MethodResult.Success);
}
