/// <summary>
/// Generates a qualified <see cref="IGraphOperationRequest" /> with the given message
/// wrapped as a graphql error allowing it to be processed
/// by the client as a formatted, albeit errored, query response. When overridden in a child class this method
/// allows the child to generate a custom <see cref="IGraphOperationResult" /> in response to the message.
/// </summary>
/// <param name="message">The error message to wrap.</param>
/// <param name="errorCode">The error code to assign to the message.</param>
/// <returns>IActionResult.</returns>
protected virtual IGraphOperationResult ErrorMessageAsGraphQLResponse(
string message,
string errorCode = Constants.ErrorCodes.GENERAL_ERROR)
{
var response = new GraphOperationResult(this.GraphQLRequest);
response.Messages.Add(GraphMessageSeverity.Critical, message, errorCode);
return(response);
}
/// <inheritdoc />
public async Task <IGraphOperationResult> ExecuteRequest(
GraphQueryExecutionContext context,
CancellationToken cancelToken = default)
{
Validation.ThrowIfNull(context, nameof(context));
// *******************************
// Primary query execution
// *******************************
await _pipeline.InvokeAsync(context, cancelToken).ConfigureAwait(false);
// *******************************
// Response Generation
// *******************************
var queryResponse = context.Result;
if (queryResponse == null)
{
queryResponse = new GraphOperationResult(context.Request);
queryResponse.Messages.Add(GraphMessageSeverity.Critical, ERROR_NO_RESPONSE, Constants.ErrorCodes.GENERAL_ERROR);
}
return(queryResponse);
}
