Authrepository.cs

gistfile1.txt

public async Task<ServiceResponse<string>> Login(string username, string password)
        {
            var response = new ServiceResponse<string>();
            var user = await _dbContext.Users.FirstOrDefaultAsync(
                u => u.UserName!.ToLower() == username.ToLower()
            );

            //If user is null  response message as User not found
            if (user == null)
            {
                response.Success = false;
                response.Message = "User Not Found";
            }

            //If user is not null verify password and if returns false set response as Incorrect Password 
            else if (!VerifyPasswordHash(password, user.PasswordHash!, user.PasswordSalt!))
            {
                response.Success = false;
                response.Message = "Incorrect Password";
            }
            else
            {
                //If the manager is appointed generate JWT Token if not return false
                if (user.Role == UserRole.Manager)
                {
                    var manager = await _dbContext.Managers.FindAsync(user.UserID);
                    if (manager.IsAppointed == false)
                    {
                        response.Success = false;
                        response.Message = "User Not Found";
                        return response;
                    }
                }
                response.Data = _jwtUtils.GenerateJwtToken(user);
            }
            return response;
        }