add checkbox styling, driverslicence handling and validation

internal/utils/validators.go

@@ -9,6 +9,7 @@ import (
 	"reflect"
 	"regexp"
 	"slices"
+	"strconv"
 	"strings"
 	"time"
 
@@ -80,22 +81,16 @@ func ValidateRequiredMembershipField(fl validator.FieldLevel) bool {
 	// Get the value of the field specified by RequiredMembershipField
 	fieldValue := reflect.ValueOf(membership).FieldByName(fieldName)
 
-	logger.Info.Printf("Starting fieldValue Validation for %v: %#v", fieldName, fieldValue)
-
 	// Check if the fieldValue is valid
 	if !fieldValue.IsValid() {
 		return false
 	}
 
-	logger.Info.Printf("fieldValue is valid: %#v", fieldValue)
-
 	// Check if the fieldValue is a nil pointer
 	if fieldValue.Kind() == reflect.Ptr && fieldValue.IsNil() {
 		return false
 	}
 
-	logger.Info.Println("fieldValue is not a nil pointer")
-
 	// Ensure that the fieldValue is an uint
 	var fieldUint uint
 	if fieldValue.Kind() == reflect.Uint {
@@ -104,17 +99,12 @@ func ValidateRequiredMembershipField(fl validator.FieldLevel) bool {
 		return false
 	}
 
-	logger.Info.Println("fieldValue is a int")
-
 	var membershipIDs []uint
 	if err := database.DB.Model(&models.Membership{}).Pluck("id", &membershipIDs).Error; err != nil {
 		logger.Error.Fatalf("Couldn't get SubscriptionModel names: %#v", err)
 		return false
 	}
 
-	logger.Info.Printf("found ids of members: %#v", membershipIDs)
-
-	// logger.Info.Printf("FIELD_NAME: %#v\nVALUE: %#v", fieldName, fieldValue)
 	// Check if the field value is zero (empty)
 	return slices.Contains(membershipIDs, fieldUint)
 }
@@ -134,3 +124,34 @@ func ValidateSafeContent(fl validator.FieldLevel) bool {
 	}
 	return true
 }
+
+func ValidateDriversLicence(fl validator.FieldLevel) bool {
+	fieldValue := fl.Field().String()
+	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
+}