manager-service/Manager.Framework/Business/ProfileLogic.cs

using Microsoft.Extensions.Logging;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

namespace Manager.Framework.Business
{
    public class ProfileLogic
    {
        private readonly ILogger<ProfileLogic> _logger;

        public ProfileLogic(ILogger<ProfileLogic> logger)
            : base()
        {
            _logger = logger;
        }

        public bool Authenticate(string email, string password)
        {
            if (string.IsNullOrWhiteSpace(email))
            {
                _logger.LogError($"Authenticate error: No e-mail provided");
                throw new UnauthorizedAccessException("Authentication error");
            }
            if (string.IsNullOrEmpty(password))
            {
                _logger.LogError($"Authenticate error: No password provided");
                throw new UnauthorizedAccessException("Authentication error");
            }

            return true;
        }
    }
}