private async Task GetAttributeValueAsync()

in src/Amazon.AspNetCore.Identity.Cognito/CognitoUserStore/CognitoUserStore.cs [502:526]

• 21 lines of code
• 4 McCabe index (conditional complexity)

        private async Task<string> GetAttributeValueAsync(TUser user, string attributeName, CancellationToken cancellationToken)
        {
            cancellationToken.ThrowIfCancellationRequested();

            if (user.Attributes == null)
            {
                throw new ArgumentException("user.Attributes must be initialized.");
            }

            var clientConfig = await _pool.GetUserPoolClientConfiguration().ConfigureAwait(false);
            if (!clientConfig.ReadAttributes?.Contains(attributeName) ?? true)
            {
                throw new NotAuthorizedException(string.Format("Reading attribute {0} is not allowed by the user pool client configuration.", attributeName));
            }

            // There is an edge case where an attribute might be there in the pool configuration, but not on the user profile
            if (user.Attributes.ContainsKey(attributeName))
            {
                return user.Attributes[attributeName];
            }
            else
            {
                return null;
            }
        }