taxes

Documentation

Overview

Package taxes provides functionality for calculating taxes.

Index

• Variables
• type Response
  • func Calc(income models.Money, taxType TaxType) (Response, error)
• type TaxRate
  • func AllTaxRates() ([]TaxRate, error)
  • func (t TaxRate) String() string
• type TaxType
  • func AllTaxTypes() []TaxType
  • func ParseTaxType(raw string) (TaxType, error)
  • func (i TaxType) Rate() (TaxRate, error)
  • func (i TaxType) String() string
  • func (i TaxType) Valid() bool

Variables

var (
	// ErrTaxRateNotFound returned when no tax rate found in taxrates.
	ErrTaxRateNotFound = errors.New("tax rate not found")
	// ErrTaxTypeNotSupported returned when TaxType has invalid value.
	ErrTaxTypeNotSupported = errors.New("tax type not supported")
)

var ErrInvalidTaxType = errors.New("invalid tax type")

ErrInvalidTaxType returned when tax type is invalid.

Types

type Response

type Response struct {
	Money models.Money
	Rate  TaxRate
}

Response represents result of Calc.

func Calc

func Calc(income models.Money, taxType TaxType) (Response, error)

Calc returns sum of tax for income according to TaxType.

type TaxRate

type TaxRate struct {
	Type TaxType
	Rate float64
}

TaxRate represents tuple TaxType - rate.

func AllTaxRates

func AllTaxRates() ([]TaxRate, error)

AllTaxRates returns all supported TaxRate.

func (TaxRate) String

func (t TaxRate) String() string

type TaxType

type TaxType uint

TaxType represents tax type for calculation.

const (

	// TaxTypeIndividualEntrepreneur is Individual Entrepreneur tax type.
	TaxTypeIndividualEntrepreneur TaxType // Individual Entrepreneur
	// TaxTypeSmallBusiness is Small Business tax type.
	TaxTypeSmallBusiness // Small Business
	// TaxTypeEmployment is Employment tax type.
	TaxTypeEmployment // Employment

)

func AllTaxTypes

func AllTaxTypes() []TaxType

AllTaxTypes returns all supported TaxType.

func ParseTaxType

func ParseTaxType(raw string) (TaxType, error)

ParseTaxType parses TaxType from string.

func (TaxType) Rate

func (i TaxType) Rate() (TaxRate, error)

Rate convert TaxType to TaxRate.

func (TaxType) String

func (i TaxType) String() string

func (TaxType) Valid

func (i TaxType) Valid() bool

Valid checks if value of TaxType is in valid borders.