protected virtual void SetProperty(ModelBindingContext bindingContext, string modelName, ModelMetadata propertyMetadata, ModelBindingResult result, ViewConfigure viewConfigure)
{
if (bindingContext == null)
{
throw new ArgumentNullException(nameof(bindingContext));
}
if (modelName == null)
{
throw new ArgumentNullException(nameof(modelName));
}
if (propertyMetadata == null)
{
throw new ArgumentNullException(nameof(propertyMetadata));
}
if (!result.IsModelSet)
{
return;
}
if (propertyMetadata.IsReadOnly)
{
return;
}
var value = result.Model;
try
{
propertyMetadata.PropertySetter(bindingContext.Model, value);
var descriptor = viewConfigure.GetViewPortDescriptor(modelName);
if (descriptor != null)
{
foreach (var valid in descriptor.Validator)
{
if (!valid.Validate(value))
{
if (valid.DisplayName == null)
{
valid.DisplayName = () => descriptor.DisplayName;
}
if (bindingContext.ModelState.ContainsKey(modelName))
{
bindingContext.ModelState[modelName].Errors.Clear();
}
bindingContext.ModelState.TryAddModelError(modelName, valid.ErrorMessage);
}
}
}
}
catch (Exception exception)
{
AddModelError(exception, modelName, bindingContext);
}
}
private async Task BindModelCoreAsync(ModelBindingContext bindingContext, ViewConfigure viewConfigure)
{
if (bindingContext.Model == null)
{
bindingContext.Model = CreateModel(bindingContext);
}
for (var i = 0; i < bindingContext.ModelMetadata.Properties.Count; i++)
{
var property = bindingContext.ModelMetadata.Properties[i];
if (!CanBindProperty(bindingContext, property))
{
continue;
}
object propertyModel = null;
if (property.PropertyGetter != null &&
property.IsComplexType &&
!property.ModelType.IsArray)
{
propertyModel = property.PropertyGetter(bindingContext.Model);
}
var fieldName = property.BinderModelName ?? property.PropertyName;
var modelName = ModelNames.CreatePropertyModelName(bindingContext.ModelName, fieldName);
ModelBindingResult result;
using (bindingContext.EnterNestedScope(
modelMetadata: property,
fieldName: fieldName,
modelName: modelName,
model: propertyModel))
{
await _modelBinderProviderContext.CreateBinder(property).BindModelAsync(bindingContext);
result = bindingContext.Result;
}
if (result.IsModelSet)
{
SetProperty(bindingContext, modelName, property, result, viewConfigure);
}
else
{
var descriptor = viewConfigure.GetViewPortDescriptor(modelName);
if (descriptor != null && bindingContext.ModelState.ContainsKey(modelName))
{
foreach (var valid in descriptor.Validator)
{
if (!valid.Validate(bindingContext.ModelState[modelName].RawValue))
{
valid.DisplayName = descriptor.DisplayName;
bindingContext.ModelState[modelName].Errors.Clear();
bindingContext.ModelState.TryAddModelError(modelName, valid.ErrorMessage);
break;
}
}
}
else if (property.IsBindingRequired)
{
var message = property.ModelBindingMessageProvider.MissingBindRequiredValueAccessor(fieldName);
bindingContext.ModelState.TryAddModelError(modelName, message);
}
}
}
bindingContext.Result = ModelBindingResult.Success(bindingContext.Model);
}
