/// <summary>
/// Configures the services and settings for the schema using the supplied configuration function.
/// </summary>
public void ConfigureServices()
{
// create the builder to guide the rest of the setup operations
_options = new SchemaOptions(typeof(TSchema));
_schemaBuilder.TypeReferenceAdded += this.TypeReferenced_EventHandler;
_options.TypeReferenceAdded += this.TypeReferenced_EventHandler;
_configureOptions?.Invoke(_options);
// register global directives to the schema
foreach (var type in Constants.GlobalDirectives)
{
_options.AddGraphType(type);
}
// add execution assembly for auto loading of graph types
if (_options.AutoRegisterLocalGraphEntities)
{
var assembly = Assembly.GetEntryAssembly();
_options.AddGraphAssembly(assembly);
}
// ensure some http processor is set
if (_options.QueryHandler.HttpProcessorType == null)
{
if (_options.QueryHandler.AuthenticatedRequestsOnly)
{
_options.QueryHandler.HttpProcessorType = typeof(SecureGraphQLHttpProcessor <TSchema>);
}
else
{
_options.QueryHandler.HttpProcessorType = typeof(DefaultGraphQLHttpProcessor <TSchema>);
}
}
// register the schema
_serviceCollection.TryAddSingleton(this.BuildNewSchemaInstance);
// setup default middleware for each required pipeline
var queryPipelineHelper = new QueryExecutionPipelineHelper <TSchema>(_schemaBuilder.QueryExecutionPipeline);
queryPipelineHelper.AddDefaultMiddlewareComponents(_options);
var fieldPipelineHelper = new FieldExecutionPipelineHelper <TSchema>(_schemaBuilder.FieldExecutionPipeline);
fieldPipelineHelper.AddDefaultMiddlewareComponents(_options);
var authPipelineHelper = new FieldAuthorizationPipelineHelper <TSchema>(_schemaBuilder.FieldAuthorizationPipeline);
authPipelineHelper.AddDefaultMiddlewareComponents(_options);
// register the DI entries for each pipeline
_serviceCollection.TryAddSingleton(this.CreatePipelineFactory(_schemaBuilder.FieldExecutionPipeline));
_serviceCollection.TryAddSingleton(this.CreatePipelineFactory(_schemaBuilder.FieldAuthorizationPipeline));
_serviceCollection.TryAddSingleton(this.CreatePipelineFactory(_schemaBuilder.QueryExecutionPipeline));
this.RegisterEngineComponents();
}
