public async Task InvokerAsync()
{
var controllerType = ActionContext.ActionDiscriptor.MethodInfo.DeclaringType;
var serviceProvider = ActionContext.HttpContext.RequestServices;
var controller = (Controller)ActivatorUtilities.CreateInstance(serviceProvider, controllerType);
controller.ActionContext = ActionContext;
var executor = serviceProvider.GetRequiredService <IActionMethodExecutor>();
var valueFactories = serviceProvider.GetServices <IValueProviderFactory>();
var valueProviders = valueFactories.Select(item => item.CreateValueProvider(ActionContext)).ToArray();
var valueProvider = new CompositeValueProvider(valueProviders);
var parameters = ActionContext.ActionDiscriptor.MethodInfo.GetParameters();
var arguments = new object[parameters.Length];
var modelBinderFactory = serviceProvider.GetRequiredService <IModelBinderFactory>();
for (var index = 0; index < arguments.Length; index++)
{
var metadata = ModelMetadata.Create(parameters[index]);
var binder = modelBinderFactory.CreateModelBinder(metadata);
var binderContext = valueProvider.ContainsPrefix(metadata.ModelName)
? new ModelBindingContext(ActionContext, metadata, valueProvider, metadata.ModelName)
: new ModelBindingContext(ActionContext, metadata, valueProvider, "");
await binder.BindAsync(binderContext);
arguments[index] = binderContext.Model;
}
var result = executor.Convert(controller, ActionContext, arguments);
//var result = executor.Convert(controller, ActionContext, new object[0]);
var converter = serviceProvider.GetRequiredService <IActionResultConvertor>();
var actionResult = converter.Convert(result, ActionContext);
await actionResult.ExcuteResultAsync(ActionContext);
}
public async Task BindAsync(ModelBindingContext modelBindingContext)
{
var metaData = modelBindingContext.ModelMetadata;
var model = Activator.CreateInstance(metaData.ModelType);
foreach (var property in metaData.ModelType.GetProperties().Where(p => p.SetMethod != null))
{
var propertyMetaData = ModelMetadata.Create(property);
var binderFactory = modelBindingContext.ActionContext.HttpContext.RequestServices.GetRequiredService <IModelBinderFactory>();
var binder = binderFactory.CreateModelBinder(propertyMetaData);
var modelName = string.IsNullOrWhiteSpace(modelBindingContext.ModelName)
? property.Name
: $"{metaData.ModelName}.{property.Name}";
var propertyContext = new ModelBindingContext(modelBindingContext.ActionContext, propertyMetaData, modelBindingContext.ValueProvider, modelName);
await binder.BindAsync(propertyContext);
if (propertyContext.IsModelSet)
{
property.SetValue(model, propertyContext.Model);
}
}
modelBindingContext.Bind(model);
}
