private int CalculateRequiredNumberOfLicences(UserInstallationRequirement userInstallationRequirements)
{
decimal desktopLicencesRequired = GetCountPerComputerType(userInstallationRequirements, ComputerType.Desktop);
decimal laptopLicencesRequired = GetCountPerComputerType(userInstallationRequirements, ComputerType.Laptop);
if (desktopLicencesRequired >= laptopLicencesRequired)
{
return((int)desktopLicencesRequired);
}
var additionalLicencesRequired = (int)Math.Ceiling((laptopLicencesRequired - desktopLicencesRequired) / 2);
return((int)desktopLicencesRequired + additionalLicencesRequired);
}
private int GetCountPerComputerType(UserInstallationRequirement installationRequirement, ComputerType type) => installationRequirement.Installations.Where(i => i.Computer.ComputerType == type).Count();