Authrepository.cs

gistfile1.txt

 //Forgot Password method for resetting the password
        public async Task<ServiceResponse<string>> ForgotPassword(string email)
        {
            var response = new ServiceResponse<string>();
            var user = await _dbContext.Users.FirstOrDefaultAsync(
                u => u.Email!.ToLower() == email.ToLower()
            );

            // Check if the provided email is valid.
            if (!IsEmailValid(email))
            {
                response.Success = false;
                response.Message = "Invalid email address.";
                return response;
            }
            // Check if the provided email exists in the database.
            if (!await EmailExists(email))
            {
                response.Success = false;
                response.Message = "Email does not exists";
                return response;
            }

            //If email exists generate OTP
            OtpGenerator otpGenerator = new OtpGenerator();
            string otp = otpGenerator.GenerateOtp();

            // Get the current Indian time
            DateTimeOffset indianTime = DateTimeOffset.UtcNow.ToOffset(
                TimeZoneInfo.FindSystemTimeZoneById("India Standard Time").BaseUtcOffset
            );

            // Add the expiration time in minutes
            DateTimeOffset otpExpiration = indianTime.AddMinutes(3);

            user.Otp = otp;
            user.OtpExpiration = otpExpiration;
            user.IsVerified = false;
            await _dbContext.SaveChangesAsync();

            var otpMessage = new Message(
                new string[] { email },
                "Stint360 - Password Reset OTP",
                $"Dear {email},\n\nYou have requested a password reset for your Stint360 account.\n\nYour OTP (One-Time Password) is: {otp}"
                    + $"\n\nPlease use this OTP to reset your password within the specified time limit.\n\nIf you did not request this password reset, "
                    + $"please ignore this message.\n\nThank you!"
            );

            _emailSender.SendEmail(otpMessage);
            response.Data = "Please check your email for OTP.";
            return response;
        }