63 lines
1.5 KiB
Go
63 lines
1.5 KiB
Go
package service
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import (
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"fmt"
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"math/rand"
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"smpp-otp/internal/config"
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smpp "smpp-otp/internal/infrastructure/interfaces"
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repository "smpp-otp/internal/repository/interfaces"
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"smpp-otp/pkg/lib/logger"
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"time"
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)
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type OTPService struct {
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repository repository.OTPRepository
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logger *logger.Loggers
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cfg *config.Config
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smppClient smpp.SMPPClient
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}
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func NewOTPService(repo repository.OTPRepository, logger *logger.Loggers, cfg *config.Config, smppClient smpp.SMPPClient) OTPService {
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return OTPService{repository: repo, logger: logger, cfg: cfg, smppClient: smppClient}
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}
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func GenerateOTP() string {
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r := rand.New(rand.NewSource(time.Now().UnixNano()))
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otp := fmt.Sprintf("%06d", r.Intn(1000000))
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return otp
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}
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func (s *OTPService) SaveAndSendOTP(phoneNumber string) error {
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otp := GenerateOTP()
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err := s.repository.SaveOTP(phoneNumber, otp)
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if err != nil {
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s.logger.ErrorLogger.Error("Error saving OTP to repository: %v", err)
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return err
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}
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err = s.smppClient.SendSMS(s.cfg, phoneNumber, otp)
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if err != nil {
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s.logger.ErrorLogger.Error("Error sending OTP via SMS: %v", err)
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return err
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}
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return nil
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}
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func (s *OTPService) ValidateOTP(phoneNumber string, otp string) error {
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storedOTP, err := s.repository.GetOTP(phoneNumber)
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if err != nil {
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if err.Error() == "redis: nil" {
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return fmt.Errorf("OTP not found or expired")
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}
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s.logger.ErrorLogger.Error("Error retrieving OTP from repository: %v", err)
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return err
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}
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if storedOTP != otp {
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return fmt.Errorf("OTP does not match")
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}
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return nil
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}
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