first commit

internal/models/validation.go

@@ -0,0 +1,106 @@
+package models
+
+import (
+	"regexp"
+	"strings"
+	"time"
+
+	"github.com/go-playground/validator/v10"
+)
+
+// CustomValidator wraps the validator
+type CustomValidator struct {
+	Validator *validator.Validate
+}
+
+// Validate validates struct
+func (cv *CustomValidator) Validate(i interface{}) error {
+	return cv.Validator.Struct(i)
+}
+
+// RegisterCustomValidations registers custom validation rules
+func RegisterCustomValidations(v *validator.Validate) {
+	// Validate Indonesian phone number
+	v.RegisterValidation("indonesian_phone", validateIndonesianPhone)
+
+	// Validate BPJS card number format
+	v.RegisterValidation("bpjs_card", validateBPJSCard)
+
+	// Validate Indonesian NIK
+	v.RegisterValidation("indonesian_nik", validateIndonesianNIK)
+
+	// Validate date format YYYY-MM-DD
+	v.RegisterValidation("date_format", validateDateFormat)
+
+	// Validate ICD-10 code format
+	v.RegisterValidation("icd10", validateICD10)
+
+	// Validate ICD-9-CM procedure code
+	v.RegisterValidation("icd9cm", validateICD9CM)
+}
+
+func validateIndonesianPhone(fl validator.FieldLevel) bool {
+	phone := fl.Field().String()
+	if phone == "" {
+		return true // Optional field
+	}
+
+	// Indonesian phone number pattern: +62, 62, 08, or 8
+	pattern := `^(\+?62|0?8)[1-9][0-9]{7,11}$`
+	matched, _ := regexp.MatchString(pattern, phone)
+	return matched
+}
+
+func validateBPJSCard(fl validator.FieldLevel) bool {
+	card := fl.Field().String()
+	if len(card) != 13 {
+		return false
+	}
+
+	// BPJS card should be numeric
+	pattern := `^\d{13}$`
+	matched, _ := regexp.MatchString(pattern, card)
+	return matched
+}
+
+func validateIndonesianNIK(fl validator.FieldLevel) bool {
+	nik := fl.Field().String()
+	if len(nik) != 16 {
+		return false
+	}
+
+	// NIK should be numeric
+	pattern := `^\d{16}$`
+	matched, _ := regexp.MatchString(pattern, nik)
+	return matched
+}
+
+func validateDateFormat(fl validator.FieldLevel) bool {
+	dateStr := fl.Field().String()
+	_, err := time.Parse("2006-01-02", dateStr)
+	return err == nil
+}
+
+func validateICD10(fl validator.FieldLevel) bool {
+	code := fl.Field().String()
+	if code == "" {
+		return true
+	}
+
+	// Basic ICD-10 pattern: Letter followed by 2 digits, optional dot and more digits
+	pattern := `^[A-Z]\d{2}(\.\d+)?$`
+	matched, _ := regexp.MatchString(pattern, strings.ToUpper(code))
+	return matched
+}
+
+func validateICD9CM(fl validator.FieldLevel) bool {
+	code := fl.Field().String()
+	if code == "" {
+		return true
+	}
+
+	// Basic ICD-9-CM procedure pattern: 2-4 digits with optional decimal
+	pattern := `^\d{2,4}(\.\d+)?$`
+	matched, _ := regexp.MatchString(pattern, code)
+	return matched
+}