Files
GoMembership/internal/validation/DriversLicence_validation.go
2024-11-04 17:21:55 +01:00

53 lines
1.1 KiB
Go

package validation
import (
"GoMembership/internal/models"
"strconv"
"time"
"github.com/go-playground/validator/v10"
)
func validateDriverslicence(sl validator.StructLevel) {
dl := sl.Current().Interface().(models.User).Licence
if !validateLicence(dl.Number) {
sl.ReportError(dl.Number, "licence_number", "", "invalid", "")
}
if dl.IssuedDate.After(time.Now()) {
sl.ReportError(dl.IssuedDate, "issued_date", "", "invalid", "")
}
if dl.ExpirationDate.Before(time.Now().AddDate(0, 0, 3)) {
sl.ReportError(dl.ExpirationDate, "expiration_date", "", "too_soon", "")
}
}
func validateLicence(fieldValue string) bool {
if len(fieldValue) != 11 {
return false
}
id, tenthChar := string(fieldValue[:9]), string(fieldValue[9])
if tenthChar == "X" {
tenthChar = "10"
}
tenthValue, _ := strconv.ParseInt(tenthChar, 10, 8)
// for readability
weights := []int{9, 8, 7, 6, 5, 4, 3, 2, 1}
sum := 0
for i := 0; i < 9; i++ {
char := string(id[i])
value, _ := strconv.ParseInt(char, 36, 64)
sum += int(value) * weights[i]
}
calcCheckDigit := sum % 11
if calcCheckDigit != int(tenthValue) {
return false
}
return true
}