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generator.go
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/
generator.go
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package generator
import (
"crypto/rand"
"crypto/sha256"
"encoding/base64"
"math/big"
"strings"
"github.com/AmirSoleimani/VoucherCodeGenerator/vcgen"
"github.com/coretrix/hitrix/pkg/helper"
)
type Generator interface {
GenerateRandomRangeNumber(int64, int64) int64
GenerateSha256Hash(string) string
GenerateUUID() string
GenerateRandomCode(*vcgen.Generator) string
}
type SimpleGenerator struct {
}
func (g *SimpleGenerator) GenerateRandomRangeNumber(min, max int64) int64 {
bg := big.NewInt(max - min)
n, err := rand.Int(rand.Reader, bg)
if err != nil {
panic(err)
}
return n.Int64() + min
}
func (g *SimpleGenerator) GenerateSha256Hash(input string) string {
sha256Hash := sha256.New()
sha256Hash.Write([]byte(input))
return base64.StdEncoding.EncodeToString(sha256Hash.Sum(nil))
}
func (g *SimpleGenerator) GenerateUUID() string {
return helper.GenerateUUID()
}
func (g *SimpleGenerator) GenerateRandomCode(generator *vcgen.Generator) string {
vc := vcgen.New(generator)
result, err := vc.Run()
if err != nil {
panic(err)
}
return strings.Join(*result, "")
}