mirror of
https://github.com/ManyakRus/crud_generator.git
synced 2024-12-22 00:36:41 +02:00
119 lines
3.5 KiB
Go
119 lines
3.5 KiB
Go
package faker
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import (
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"fmt"
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"math"
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"reflect"
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)
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// Currency Codes | Source: https://en.wikipedia.org/wiki/ISO_4217
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var currencies = []string{
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"AED", "AFN", "ALL", "AMD", "ANG", "AOA", "ARS", "AUD", "AWG",
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"AZN", "BAM", "BBD", "BDT", "BGN", "BHD", "BIF", "BMD", "BND",
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"BOB", "BOV", "BRL", "BSD", "BTN", "BWP", "BYN", "BZD", "CAD",
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"CDF", "CHE", "CHF", "CHW", "CLF", "CLP", "CNY", "COP", "COU",
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"CRC", "CUC", "CUP", "CVE", "CZK", "DJF", "DKK", "DOP", "DZD",
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"EGP", "ERN", "ETB", "EUR", "FJD", "FKP", "GBP", "GEL", "GHS",
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"GIP", "GMD", "GNF", "GTQ", "GYD", "HKD", "HNL", "HRK", "HTG",
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"HUF", "IDR", "ILS", "INR", "IQD", "IRR", "ISK", "JMD", "JOD",
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"JPY", "KES", "KGS", "KHR", "KMF", "KPW", "KRW", "KWD", "KYD",
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"KZT", "LAK", "LBP", "LKR", "LRD", "LSL", "LYD", "MAD", "MDL",
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"MGA", "MKD", "MMK", "MNT", "MOP", "MRU", "MUR", "MVR", "MWK",
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"MXN", "MXV", "MYR", "MZN", "NAD", "NGN", "NIO", "NOK", "NPR",
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"NZD", "OMR", "PAB", "PEN", "PGK", "PHP", "PKR", "PLN", "PYG",
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"QAR", "RON", "RSD", "RUB", "RWF", "SAR", "SBD", "SCR", "SDG",
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"SEK", "SGD", "SHP", "SLL", "SOS", "SRD", "SSP", "STN", "SVC",
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"SYP", "SZL", "THB", "TJS", "TMT", "TND", "TOP", "TRY", "TTD",
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"TWD", "TZS", "UAH", "UGX", "USD", "USN", "UYI", "UYU", "UYW",
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"UZS", "VES", "VND", "VUV", "WST", "XAF", "XAG", "XAU", "XBA",
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"XBB", "XBC", "XBD", "XCD", "XDR", "XOF", "XPD", "XPF", "XPT",
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"XSU", "XTS", "XUA", "XXX", "YER", "ZAR", "ZMW", "ZWL",
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}
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// Money provides an interface to generate a custom price with or without a random currency code
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type Money interface {
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Currency(v reflect.Value) (interface{}, error)
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Amount(v reflect.Value) (interface{}, error)
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AmountWithCurrency(v reflect.Value) (interface{}, error)
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}
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// Price struct
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type Price struct {
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}
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var pri Money
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// GetPrice returns a new Money interface of Price struct
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func GetPrice() Money {
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mu.Lock()
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defer mu.Unlock()
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if pri == nil {
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pri = &Price{}
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}
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return pri
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}
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// SetPrice sets custom Money
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func SetPrice(p Money) {
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pri = p
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}
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func (p Price) currency() string {
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return randomElementFromSliceString(currencies)
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}
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// Currency returns a random currency from currencies
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func (p Price) Currency(v reflect.Value) (interface{}, error) {
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return p.currency(), nil
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}
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// Currency get fake Currency (IDR, USD)
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func Currency() string {
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return singleFakeData(CurrencyTag, func() interface{} {
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p := Price{}
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return p.currency()
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}).(string)
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}
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func (p Price) amount() float64 {
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return precision(rand.Float64()*math.Pow10(rand.Intn(8)), rand.Intn(2)+1)
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}
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// Amount returns a random floating price amount
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// with a random precision of [1,2] up to (10**8 - 1)
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func (p Price) Amount(v reflect.Value) (interface{}, error) {
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kind := v.Kind()
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val := p.amount()
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if kind == reflect.Float32 {
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v.Set(reflect.ValueOf(float32(val)))
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return float32(val), nil
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}
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v.Set(reflect.ValueOf(val))
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return val, nil
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}
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func (p Price) amountwithcurrency() string {
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val := p.amount()
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return fmt.Sprintf("%s %f", p.currency(), val)
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}
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// AmountWithCurrency combines both price and currency together
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func (p Price) AmountWithCurrency(v reflect.Value) (interface{}, error) {
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return p.amountwithcurrency(), nil
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}
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// AmountWithCurrency get fake AmountWithCurrency USD 49257.100
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func AmountWithCurrency() string {
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return singleFakeData(AmountWithCurrencyTag, func() interface{} {
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p := Price{}
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return p.amountwithcurrency()
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}).(string)
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}
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// precision | a helper function to set precision of price
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func precision(val float64, pre int) float64 {
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div := math.Pow10(pre)
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return float64(int64(val*div)) / div
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}
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