Authrepository.cs

gistfile1.txt

public async Task<ServiceResponse<string>> Verify(string email, string otp)
        {
            ServiceResponse<string> response = new ServiceResponse<string>();
            
            // Check if the provided email is valid.
            if (!IsEmailValid(email))
            {
                response.Success = false;
                response.Message = "Invalid email address.";
                return response;
            }
            var user = await _dbContext.Users.FirstOrDefaultAsync(
                u => u.Email!.ToLower() == email.ToLower()
            );

            // Check if a user with the given email was found.
            if (user != null)
            {   
                // Check if the user has exceeded the maximum OTP resend limit.
                if (user.OtpResendCount >= 3)
                {
                    response.Success = false;
                    response.Message = "Maximum OTP resend limit reached.";
                    return response;
                }

                // Check if the OTP provided matches the OTP stored for the user.
                if (user.Otp == otp)
                {
                    if (user.OtpExpiration > DateTimeOffset.UtcNow)
                    {
                        user.Otp = null;
                        user.IsVerified = true;
                        await _dbContext.SaveChangesAsync();
                        response.Success = true;
                        response.Message = "OTP verification successful.";
                        return response;
                    }
                    else
                    {
                        response.Success = false;
                        response.Message = "Your Otp has been expired , Please try again";
                    }
                }
                else
                {
                    response.Success = false;
                    response.Message = "Invalid OTP , Please try again";
                }
            }
            else
            {
                response.Success = false;
                response.Message = "Invalid Email , Please try again";
            }

            return response;
        }