45 lines
898 B
Go
45 lines
898 B
Go
package helpers
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import (
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random "crypto/rand"
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"fmt"
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"github.com/google/uuid"
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"math/big"
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"math/rand/v2"
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)
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func GenerateID() string {
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return uuid.New().String()
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}
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func GenerateOTP() string {
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num := 100000 + rand.UintN(899999)
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return fmt.Sprintf("%d", num) // 6 digit random number [100,000 - 999,999]
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}
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func GenerateFastCode() string {
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const letters = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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var code string
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for i := 0; i < 6; i++ {
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code += string(letters[rand.UintN(uint(len(letters)))])
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}
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return code
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}
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func GenerateCashoutID() (string, error) {
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const chars = "abcdefghijklmnopqrstuvwxyz0123456789"
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const length int = 13
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charLen := big.NewInt(int64(len(chars)))
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result := make([]byte, length)
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for i := 0; i < length; i++ {
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index, err := random.Int(random.Reader, charLen)
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if err != nil {
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return "", err
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}
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result[i] = chars[index.Int64()]
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}
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return string(result), nil
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}
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