private void AddResourceDefinitions(Assembly assembly, ResourceDescriptor resourceDescriptor)
{
foreach (Type resourceDefinitionInterface in ResourceDefinitionInterfaces)
{
RegisterImplementations(assembly, resourceDefinitionInterface, resourceDescriptor);
}
}
private void AddServices(Assembly assembly, ResourceDescriptor resourceDescriptor)
{
foreach (Type serviceInterface in ServiceInterfaces)
{
RegisterImplementations(assembly, serviceInterface, resourceDescriptor);
}
}
private void AddRepositories(Assembly assembly, ResourceDescriptor resourceDescriptor)
{
foreach (var repositoryInterface in RepositoryInterfaces)
{
RegisterImplementations(assembly, repositoryInterface, resourceDescriptor);
}
}
/// <summary>
/// Attempts to get a descriptor for the resource type.
/// </summary>
/// <returns>
/// <c>true</c> if the type is a valid json:api type (must implement <see cref="IIdentifiable"/>); <c>false</c>, otherwise.
/// </returns>
internal static bool TryGetResourceDescriptor(Type type, out ResourceDescriptor descriptor)
{
if (TypeHelper.IsOrImplementsInterface(type, typeof(IIdentifiable)))
{
descriptor = new ResourceDescriptor(type, GetIdType(type));
return(true);
}
descriptor = ResourceDescriptor.Empty;
return(false);
}
private void RegisterImplementations(Assembly assembly, Type interfaceType, ResourceDescriptor resourceDescriptor)
{
var genericArguments = interfaceType.GetTypeInfo().GenericTypeParameters.Length == 2 ? new[] { resourceDescriptor.ResourceType, resourceDescriptor.IdType } : new[] { resourceDescriptor.ResourceType };
var result = TypeLocator.GetGenericInterfaceImplementation(assembly, interfaceType, genericArguments);
if (result != null)
{
var(implementation, registrationInterface) = result.Value;
_services.AddScoped(registrationInterface, implementation);
}
}
private IEnumerable <ResourceDescriptor> ScanForResourceDescriptors(Assembly assembly)
{
foreach (Type type in assembly.GetTypes())
{
ResourceDescriptor resourceDescriptor = _typeLocator.TryGetResourceDescriptor(type);
if (resourceDescriptor != null)
{
yield return(resourceDescriptor);
}
}
}
private void RegisterImplementations(Assembly assembly, Type interfaceType, ResourceDescriptor resourceDescriptor)
{
Type[] genericArguments = interfaceType.GetTypeInfo().GenericTypeParameters.Length == 2
? ArrayFactory.Create(resourceDescriptor.ResourceType, resourceDescriptor.IdType)
: ArrayFactory.Create(resourceDescriptor.ResourceType);
(Type implementation, Type registrationInterface)? result =
_typeLocator.GetGenericInterfaceImplementation(assembly, interfaceType, genericArguments);
if (result != null)
{
(Type implementation, Type registrationInterface) = result.Value;
_services.AddScoped(registrationInterface, implementation);
}
}
private void AddResourceHookDefinitions(Assembly assembly, ResourceDescriptor identifiable)
{
try
{
var resourceDefinition = TypeLocator.GetDerivedGenericTypes(assembly, typeof(ResourceHooksDefinition <>), identifiable.ResourceType)
.SingleOrDefault();
if (resourceDefinition != null)
{
_services.AddScoped(typeof(ResourceHooksDefinition <>).MakeGenericType(identifiable.ResourceType), resourceDefinition);
}
}
catch (InvalidOperationException e)
{
throw new InvalidConfigurationException($"Cannot define multiple ResourceHooksDefinition<> implementations for '{identifiable.ResourceType}'", e);
}
}
private static ResourceDescriptor TryGetResourceTypeFromServiceImplementation(Type serviceType)
{
foreach (Type @interface in serviceType.GetInterfaces())
{
Type firstGenericArgument = @interface.IsGenericType ? @interface.GenericTypeArguments.First() : null;
if (firstGenericArgument != null)
{
ResourceDescriptor resourceDescriptor = TypeLocator.TryGetResourceDescriptor(firstGenericArgument);
if (resourceDescriptor != null)
{
return(resourceDescriptor);
}
}
}
return(null);
}
private static void RegisterForConstructedType(IServiceCollection services, Type implementationType, IEnumerable <Type> openGenericInterfaces)
{
bool seenCompatibleInterface = false;
ResourceDescriptor resourceDescriptor = TryGetResourceTypeFromServiceImplementation(implementationType);
if (resourceDescriptor != null)
{
foreach (Type openGenericInterface in openGenericInterfaces)
{
// A shorthand interface is one where the ID type is omitted.
// e.g. IResourceService<TResource> is the shorthand for IResourceService<TResource, TId>
bool isShorthandInterface = openGenericInterface.GetTypeInfo().GenericTypeParameters.Length == 1;
if (isShorthandInterface && resourceDescriptor.IdType != typeof(int))
{
// We can't create a shorthand for ID types other than int.
continue;
}
Type constructedType = isShorthandInterface
? openGenericInterface.MakeGenericType(resourceDescriptor.ResourceType)
: openGenericInterface.MakeGenericType(resourceDescriptor.ResourceType, resourceDescriptor.IdType);
if (constructedType.IsAssignableFrom(implementationType))
{
services.AddScoped(constructedType, implementationType);
seenCompatibleInterface = true;
}
}
}
if (!seenCompatibleInterface)
{
throw new InvalidConfigurationException($"{implementationType} does not implement any of the expected JsonApiDotNetCore interfaces.");
}
}
private void AddResource(ResourceDescriptor resourceDescriptor)
{
_resourceGraphBuilder.Add(resourceDescriptor.ResourceType, resourceDescriptor.IdType);
}
private void AddResource(Assembly assembly, ResourceDescriptor resourceDescriptor)
{
RegisterResourceDefinition(assembly, resourceDescriptor);
_resourceGraphBuilder.Add(resourceDescriptor.ResourceType, resourceDescriptor.IdType);
}
private void RegisterServiceImplementations(Assembly assembly, Type interfaceType, ResourceDescriptor resourceDescriptor)
{
if (resourceDescriptor.IdType == typeof(Guid) && interfaceType.GetTypeInfo().GenericTypeParameters.Length == 1)
{
return;
}
var genericArguments = interfaceType.GetTypeInfo().GenericTypeParameters.Length == 2 ? new[] { resourceDescriptor.ResourceType, resourceDescriptor.IdType } : new[] { resourceDescriptor.ResourceType };
var service = TypeLocator.GetGenericInterfaceImplementation(assembly, interfaceType, genericArguments);
if (service.implementation != null)
{
_services.AddScoped(service.registrationInterface, service.implementation);
}
}