namespace GServer.Server.Business.Services; public interface IAuthService { /// <summary> /// Checks whether a given email and password combination match. /// </summary> /// <param name="email"></param> /// <param name="password"></param> /// <returns></returns> bool IsPasswordCorrect(string email, string password); } public class AuthService : IAuthService { public bool IsPasswordCorrect(string username, string password) { // TODO: Check DB return username == "aaronyarbz" && password == "password123"; } }