private static ICode GenerateInternalMethodBody(
CSharpSyntaxGeneratorSettings settings,
DependencyInjectionDescriptor descriptor,
TransportProfile profile)
{
var rootNamespace = descriptor.ClientDescriptor.RuntimeType.Namespace;
var hasSubscriptions =
descriptor.Operations.OfType <SubscriptionOperationDescriptor>().Any();
var hasQueries =
descriptor.Operations.OfType <QueryOperationDescriptor>().Any();
var hasMutations =
descriptor.Operations.OfType <MutationOperationDescriptor>().Any();
CodeBlockBuilder body = CodeBlockBuilder
.New()
.AddCode(CreateBaseCode(settings));
var generatedConnections = new HashSet <TransportType>();
if (hasSubscriptions)
{
generatedConnections.Add(profile.Subscription);
body.AddCode(
RegisterConnection(profile.Subscription, descriptor.Name));
}
if (hasQueries && !generatedConnections.Contains(profile.Query))
{
generatedConnections.Add(profile.Query);
body.AddCode(RegisterConnection(profile.Query, descriptor.Name));
}
if (hasMutations && !generatedConnections.Contains(profile.Mutation))
{
generatedConnections.Add(profile.Mutation);
body.AddCode(RegisterConnection(profile.Mutation, descriptor.Name));
}
body.AddEmptyLine();
foreach (var typeDescriptor in descriptor.TypeDescriptors
.OfType <INamedTypeDescriptor>())
{
if (typeDescriptor.Kind == TypeKind.Entity && !typeDescriptor.IsInterface())
{
INamedTypeDescriptor namedTypeDescriptor =
(INamedTypeDescriptor)typeDescriptor.NamedType();
NameString className = namedTypeDescriptor.ExtractMapperName();
var interfaceName =
TypeNames.IEntityMapper.WithGeneric(
namedTypeDescriptor.ExtractType().ToString(),
$"{rootNamespace}.{typeDescriptor.RuntimeType.Name}");
body.AddMethodCall()
.SetMethodName(TypeNames.AddSingleton)
.AddGeneric(interfaceName)
.AddGeneric($"{CreateStateNamespace(rootNamespace)}.{className}")
.AddArgument(_services);
}
}
body.AddEmptyLine();
foreach (var enumType in descriptor.EnumTypeDescriptor)
{
body.AddMethodCall()
.SetMethodName(TypeNames.AddSingleton)
.AddGeneric(TypeNames.ISerializer)
.AddGeneric(CreateEnumParserName($"{rootNamespace}.{enumType.Name}"))
.AddArgument(_services);
}
foreach (var serializer in _serializers)
{
body.AddMethodCall()
.SetMethodName(TypeNames.AddSingleton)
.AddGeneric(TypeNames.ISerializer)
.AddGeneric(serializer)
.AddArgument(_services);
}
RuntimeTypeInfo stringTypeInfo = new RuntimeTypeInfo(TypeNames.String);
foreach (var scalar in descriptor.TypeDescriptors.OfType <ScalarTypeDescriptor>())
{
if (scalar.RuntimeType.Equals(stringTypeInfo) &&
scalar.SerializationType.Equals(stringTypeInfo) &&
!BuiltInScalarNames.IsBuiltInScalar(scalar.Name))
{
body.AddMethodCall()
.SetMethodName(TypeNames.AddSingleton)
.AddGeneric(TypeNames.ISerializer)
.AddArgument(_services)
.AddArgument(MethodCallBuilder
.Inline()
.SetNew()
.SetMethodName(TypeNames.StringSerializer)
.AddArgument(scalar.Name.AsStringToken()));
}
}
foreach (var inputTypeDescriptor in descriptor.TypeDescriptors
.Where(x => x.Kind is TypeKind.Input))
{
var formatter =
CreateInputValueFormatter(
(InputObjectTypeDescriptor)inputTypeDescriptor.NamedType());
body.AddMethodCall()
.SetMethodName(TypeNames.AddSingleton)
.AddGeneric(TypeNames.ISerializer)
.AddGeneric($"{rootNamespace}.{formatter}")
.AddArgument(_services);
}
body.AddCode(RegisterSerializerResolver());
body.AddEmptyLine();
foreach (var operation in descriptor.Operations)
{
if (!(operation.ResultTypeReference is InterfaceTypeDescriptor typeDescriptor))
{
continue;
}
TransportType operationKind = operation switch
{
SubscriptionOperationDescriptor => profile.Subscription,
QueryOperationDescriptor => profile.Query,
MutationOperationDescriptor => profile.Mutation,
_ => throw ThrowHelper.DependencyInjection_InvalidOperationKind(operation)
};
string connectionKind = operationKind switch
{
TransportType.Http => TypeNames.IHttpConnection,
TransportType.WebSocket => TypeNames.IWebSocketConnection,
TransportType.InMemory => TypeNames.IInMemoryConnection,
{ } v => throw ThrowHelper.DependencyInjection_InvalidTransportType(v)
};
string operationName = operation.Name;
string fullName = operation.RuntimeType.ToString();
string operationInterfaceName = operation.InterfaceType.ToString();
string resultInterface = typeDescriptor.RuntimeType.ToString();
// The factories are generated based on the concrete result type, which is the
// only implementee of the result type interface.
var factoryName =
CreateResultFactoryName(
typeDescriptor.ImplementedBy.First().RuntimeType.Name);
var builderName = CreateResultBuilderName(operationName);
body.AddCode(
RegisterOperation(
settings,
connectionKind,
fullName,
operationInterfaceName,
resultInterface,
$"{CreateStateNamespace(operation.RuntimeType.Namespace)}.{factoryName}",
$"{CreateStateNamespace(operation.RuntimeType.Namespace)}.{builderName}"));
}
if (settings.IsStoreEnabled())
{
body.AddCode(
MethodCallBuilder
.New()
.SetMethodName(TypeNames.AddSingleton)
.AddGeneric(TypeNames.IEntityIdSerializer)
.AddGeneric(descriptor.EntityIdFactoryDescriptor.Type.ToString())
.AddArgument(_services));
}
body.AddCode(
MethodCallBuilder
.New()
.SetMethodName(TypeNames.AddSingleton)
.AddGeneric(descriptor.ClientDescriptor.RuntimeType.ToString())
.AddArgument(_services));
body.AddCode(
MethodCallBuilder
.New()
.SetMethodName(TypeNames.AddSingleton)
.AddGeneric(descriptor.ClientDescriptor.InterfaceType.ToString())
.AddArgument(_services)
.AddArgument(LambdaBuilder
.New()
.AddArgument(_sp)
.SetCode(MethodCallBuilder
.Inline()
.SetMethodName(TypeNames.GetRequiredService)
.AddGeneric(descriptor.ClientDescriptor.RuntimeType.ToString())
.AddArgument(_sp))));
body.AddLine($"return {_services};");
return(body);
}