feat: kavenegar sdk, otp generation and verifying

internal/usecase/auth_service.go

@@ -4,6 +4,7 @@ import (
 	"backend/config"
 	"backend/internal/domain"
 	"backend/pkg/jwt"
+	"backend/pkg/sms"
 	"backend/pkg/validate/common"
 	"backend/pkg/zohal"
 	"context"
@@ -12,6 +13,7 @@ import (
 	"time"
 
 	jwt2 "github.com/golang-jwt/jwt/v5"
+	"github.com/kavenegar/kavenegar-go"
 
 	"github.com/google/uuid"
 )
@@ -25,7 +27,9 @@ type authService struct {
 	userRepo      domain.UserRepo
 	sessionRepo   domain.SessionRepo
 	challengeRepo domain.ChallengeRepo
+	otpRepo       domain.OTPRepo
 	zohal         *zohal.Zohal
+	smsProvider   *sms.Kavenegar
 	challengeExp  uint
 	cfg           config.Config
 }
@@ -41,15 +45,19 @@ func NewAuthService(
 	sessionRepo domain.SessionRepo,
 	challengeRepo domain.ChallengeRepo,
 	challengeExp uint,
+	otpRepo domain.OTPRepo,
 	zohal *zohal.Zohal,
+	smsProvider *sms.Kavenegar,
 	cfg config.Config,
 ) AuthService {
 	return &authService{
 		userRepo:      userRepo,
 		sessionRepo:   sessionRepo,
 		challengeRepo: challengeRepo,
+		otpRepo:       otpRepo,
 		challengeExp:  challengeExp,
 		zohal:         zohal,
+		smsProvider:   smsProvider,
 		cfg:           cfg,
 	}
 }
@@ -190,6 +198,38 @@ func (s *authService) VerifyKYC(ctx context.Context, userID, nationalID, birthDa
 		shahkarResp.StatusCode, identityResp.StatusCode)
 }
 
-func (*authService) SendOTPVerifaction(ctx context.Context, phone string) (string, error) {
-	return "", nil
+func (s *authService) SendOTPCode(ctx context.Context, phone string) (string, error) {
+	otp := domain.NewOTP(phone)
+	if err := s.otpRepo.Create(ctx, phone, otp); err != nil {
+		return "", err
+	}
+	otpMsg := &sms.OTPMsg{
+		Receptor: otp.Phone,
+		Token:    otp.Code,
+		Template: s.cfg.Kavenegar.Template,
+		// TODO: make sure when use VerfiyLookup Params
+		Params: kavenegar.VerifyLookupParam{},
+	}
+	err := s.smsProvider.OTP(otpMsg)
+	if err != nil {
+		return "", err
+	}
+
+	return otp.Code, err
+}
+
+func (s *authService) VerifyOTP(ctx context.Context, phone, code string) error {
+	otp, err := s.otpRepo.Get(ctx, phone)
+	if err != nil {
+		return err
+	}
+
+	if otp == nil {
+		return errors.New("otp code not found or expired")
+	}
+
+	if code != otp.Code {
+		return errors.New("otp code is not valid")
+	}
+	return nil
 }