public static EmployeeSalaryCalculationResultBuilder CalculateSocialInsurance(
this EmployeeSalaryCalculationResultBuilder builder,
EmployeeSocialInsuranceSetting setting)
{
return(builder
.Calculate(() => builder.Result.RetirementInsurance = builder.SalaryGross.GetPercent(setting.RetirementInsurancePercent))
.Calculate(() => builder.Result.DisabilityPensionInsurance = builder.SalaryGross.GetPercent(setting.DisabilityPensionInsurancePercent))
.Calculate(() => builder.Result.SicknessInsurance = builder.SalaryGross.GetPercent(setting.SicknessInsurancePercent))
.Calculate(() => builder.Result.TotalSocialInsurance = builder.SalaryGross.GetPercent(setting.TotalPercent)));
}
private static EmployeeSalaryCalculationResultBuilder CalculateCopyrightLawsDeductibles(
this EmployeeSalaryCalculationResultBuilder builder,
decimal salaryMinusSocial,
float copyrightLawsPercent)
{
var copyrightLawsValue = salaryMinusSocial.GetPercent(copyrightLawsPercent);
builder.Result.CopyrightLawsValue = copyrightLawsValue;
builder.Result.CopyrightLawsDeductibles = copyrightLawsValue.GetPercent(CopyrightLaws.DeductiblesPercent);
return(builder);
}
public static EmployeeSalaryCalculationResultBuilder CalculateTax(
this EmployeeSalaryCalculationResultBuilder builder,
decimal taxBase,
decimal taxMonthlyExemption,
decimal healthInsuranceDeductibles)
{
return(builder
.Calculate(() =>
builder.Result.Tax = Math.Round(Math.Max(0, CalculateTax(taxBase)) -
taxMonthlyExemption -
healthInsuranceDeductibles)));
}
public static EmployeeSalaryCalculationResultBuilder CalculateSalaryNett(
this EmployeeSalaryCalculationResultBuilder builder,
decimal tax,
decimal totalSocialInsurance,
decimal healthInsurance)
{
return(builder
.Calculate(() => builder.Result.SalaryNett = Math.Round(builder.SalaryGross -
tax -
totalSocialInsurance -
healthInsurance)));
}
public static EmployeeSalaryCalculationResultBuilder CalculateTaxBase(
this EmployeeSalaryCalculationResultBuilder builder,
float copyrightLawsPercent,
decimal totalSocialInsurance,
decimal employmentRelationshipDeductibles)
{
var salaryMinusSocial = builder.SalaryGross - totalSocialInsurance;
return(builder
.CalculateCopyrightLawsDeductibles(salaryMinusSocial, copyrightLawsPercent)
.Calculate(() => builder.Result.TotalDeductibles = employmentRelationshipDeductibles +
builder.Result.CopyrightLawsDeductibles +
0) //todo: context.Parameters.DriveExpenses;
.Calculate(() =>
builder.Result.TaxBase = Math.Round(salaryMinusSocial - builder.Result.TotalDeductibles)));
}
public static EmployeeSalaryCalculationResultBuilder CalculateHealthInsurance(
this EmployeeSalaryCalculationResultBuilder builder,
decimal totalSocialInsurance,
EmployeeHealthInsuranceSetting setting)
{
var salaryMinusSocial = builder.SalaryGross - totalSocialInsurance;
return(builder
.Calculate(() =>
builder.Result.HealthInsurance = salaryMinusSocial.GetPercent(setting.HealthInsurancePercent))
.Calculate(() =>
builder.Result.HealthInsuranceDeductibles =
Math.Round(salaryMinusSocial.GetPercent(setting.DeductibleHealthInsurancePercent)))
.Calculate(() =>
builder.Result.HealthInsurancePaidFromNett =
builder.Result.HealthInsurance - builder.Result.HealthInsuranceDeductibles));
}