Subversion Repositories SmartDukaan

package com.spice.profitmandi.web.processor;


import java.io.IOException;
import java.net.URISyntaxException;
import java.time.LocalDateTime;
import java.util.List;
import java.util.Random;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import com.spice.profitmandi.common.exception.ProfitMandiBusinessException;
import com.spice.profitmandi.common.util.Utils;
import com.spice.profitmandi.dao.entity.dtr.Otp;
import com.spice.profitmandi.dao.enumuration.dtr.OtpType;
import com.spice.profitmandi.dao.repository.dtr.OtpRepository;
import com.spice.profitmandi.web.res.OTPResponse;

@Component
public class OtpProcessor{

        private static final int len = 5;
        private static final String numbers ="0123456789";
        private static final String text = "Dear Customer, {0} is the OTP that you have requested to login into Profitmandi. Don't share your OTP with anyone.";

        @Autowired
        OtpRepository otpRepository;

        private String getOtp(){
                Random rndm_method = new Random();
                char[] otp = new char[len];

                for (int i = 0; i < len; i++)
                {
                        otp[i] = numbers.charAt(rndm_method.nextInt(numbers.length()));
                }
                return String.valueOf(otp);
        }

        public OTPResponse generateOtp(String email, String phone, OtpType otpType) throws Exception, ProfitMandiBusinessException{
                OTPResponse otpResponse = new OTPResponse();
                List<Otp> otps = otpRepository.getGeneratedOtpForCredentials(email, otpType);
                String otp = null;
                if (otps.size() >=5){
                        otpResponse.setReference_id(0);
                        otpResponse.setResult(false);
                        otpResponse.setMessage("Maximum limit reached for the day");
                        return otpResponse;
                }
                if (!otps.isEmpty()){
                        if (otps.get(0).getCreatedOn().isAfter(LocalDateTime.now().minusMinutes(2))){
                                otpResponse.setMessage("OTP generated less than 2 minutes ago");
                                otpResponse.setReference_id(otps.get(0).getId());
                                otpResponse.setResult(true);
                                otpResponse.setOtp(otps.get(0).getOtp());
                                return otpResponse;
                        }
                        else if(otps.get(0).getCreatedOn().isAfter(LocalDateTime.now().minusMinutes(10))){
                                otp = otps.get(0).getOtp();
                        }
                        else{
                                ;
                        }
                }
                if (otp == null || otp.isEmpty()){
                        otp = getOtp();
                }
                sendOtp(otp, phone);
                Otp otp_d = otpRepository.generateOtp(email, phone, otpType, otp);
                otpResponse.setReference_id(otp_d.getId());
                otpResponse.setMessage("OTP generated successfully");
                otpResponse.setResult(true);
                otpResponse.setOtp(otp_d.getOtp());
                return otpResponse;
        }

        public OTPResponse validateOtp(String email, int reference_id, String otp_number) throws Exception, ProfitMandiBusinessException{
                OTPResponse otpResponse = new OTPResponse();
                Otp otp = otpRepository.getById(reference_id);
                otp.setTryCount(otp.getTryCount()+1);
                otpResponse.setReference_id(reference_id);
                if (!otp.getEmail().equalsIgnoreCase(email) || !otp.getOtp().equalsIgnoreCase(otp_number)){
                        otpResponse.setMessage("Invalid otp");
                        otpResponse.setResult(false);
                        otpRepository.updateById(otp);
                        return otpResponse;
                }
                if (otp.isExpired() || otp.isVerified() || otp.getExpiryTimestamp().isBefore(LocalDateTime.now())){
                        otpResponse.setMessage("OTP expired");
                        otpResponse.setResult(false);
                        return otpResponse;
                }
                if (otp.getTryCount() >5){
                        otpResponse.setMessage("Maximum try count reached");
                        otpResponse.setResult(false);
                        return otpResponse;
                }
                otp.setExpired(true);
                otp.setVerified(true);
                otpRepository.updateById(otp);
                otpResponse.setMessage("OTP validated successfully");
                otpResponse.setResult(true);
                return otpResponse;
        }
        
        private void sendOtp(String otp_text, String phone){
                String msg = java.text.MessageFormat.format(text, otp_text);
                try {
                        Utils.sendSms(msg, phone);
                } catch (URISyntaxException e) {
                        // TODO Auto-generated catch block
                        e.printStackTrace();
                } catch (IOException e) {
                        // TODO Auto-generated catch block
                        e.printStackTrace();
                }
                
        }

}