private static IServiceCollection InjectCognitoUser()

in src/Amazon.AspNetCore.Identity.Cognito/Extensions/CognitoServiceCollectionExtensions.cs [47:83]
34 lines of code
4 McCabe index (conditional complexity)

        private static IServiceCollection InjectCognitoUser<TUser>(this IServiceCollection services, Action<IdentityOptions> identityOptions = null) where TUser : CognitoUser
        {
            if (identityOptions != null)
            {
                services.Configure(identityOptions);
                services.AddIdentity<CognitoUser, CognitoRole>()
                    .AddDefaultTokenProviders()
                    .AddPasswordValidator<CognitoPasswordValidator>();
            }
            else
            {
                services.AddIdentity<CognitoUser, CognitoRole>()
                    .AddDefaultTokenProviders()
                    .AddPasswordValidator<CognitoPasswordValidator>();
                var passwordValidators = services.Where(s => s.ServiceType.Equals(typeof(IPasswordValidator<CognitoUser>)));
                foreach (var validator in passwordValidators.ToArray())
                {
                    if (Equals(validator.ImplementationType, typeof(PasswordValidator<CognitoUser>)))
                    {
                        services.Remove(validator);
                    }
                }
            }

            // Overrides the managers/stores with Cognito specific ones.
            services.AddScoped<UserManager<TUser>, CognitoUserManager<TUser>>();
            services.AddScoped<SignInManager<TUser>, CognitoSignInManager<TUser>>();
            services.AddScoped<IUserStore<TUser>, CognitoUserStore<TUser>>();
            services.AddScoped<IRoleStore<CognitoRole>, CognitoRoleStore<CognitoRole>>();
            services.AddScoped<IUserClaimStore<TUser>, CognitoUserStore<TUser>>();
            services.AddScoped<IUserClaimsPrincipalFactory<TUser>, CognitoUserClaimsPrincipalFactory<TUser>>();
            services.AddSingleton<CognitoKeyNormalizer, CognitoKeyNormalizer>();
            services.AddSingleton<IdentityErrorDescriber, CognitoIdentityErrorDescriber>();

            services.AddHttpContextAccessor();
            return services;
        }