/// <summary>
/// Updates a property in the current <see cref="ModelBindingContext.Model"/>.
/// </summary>
/// <param name="bindingContext">The <see cref="ModelBindingContext"/>.</param>
/// <param name="metadata">
/// The <see cref="ModelMetadata"/> for the model containing property to set.
/// </param>
/// <param name="propertyMetadata">The <see cref="ModelMetadata"/> for the property to set.</param>
/// <param name="result">The <see cref="ModelBindingResult"/> for the property's new value.</param>
/// <remarks>Should succeed in all cases that <see cref="CanUpdateProperty"/> returns <c>true</c>.</remarks>
protected virtual void SetProperty(
ModelBindingContext bindingContext,
ModelMetadata metadata,
ModelMetadata propertyMetadata,
ModelBindingResult result)
{
if (bindingContext == null)
{
throw new ArgumentNullException(nameof(bindingContext));
}
if (metadata == null)
{
throw new ArgumentNullException(nameof(metadata));
}
if (propertyMetadata == null)
{
throw new ArgumentNullException(nameof(propertyMetadata));
}
var bindingFlags = BindingFlags.Instance | BindingFlags.Public | BindingFlags.IgnoreCase;
var property = bindingContext.ModelType.GetProperty(propertyMetadata.PropertyName, bindingFlags);
if (property == null)
{
// Nothing to do if property does not exist.
return;
}
if (!result.IsModelSet)
{
// If we don't have a value, don't set it on the model and trounce a pre-initialized value.
return;
}
if (!property.CanWrite)
{
// Try to handle as a collection if property exists but is not settable.
AddToProperty(bindingContext, metadata, property, result);
return;
}
var value = result.Model;
try
{
propertyMetadata.PropertySetter(bindingContext.Model, value);
}
catch (Exception exception)
{
AddModelError(exception, bindingContext, result);
}
}
/// <summary>
/// Updates a property in the current <see cref="ModelBindingContext.Model"/>.
/// </summary>
/// <param name="bindingContext">The <see cref="ModelBindingContext"/>.</param>
/// <param name="modelExplorer">
/// The <see cref="ModelExplorer"/> for the model containing property to set.
/// </param>
/// <param name="propertyMetadata">The <see cref="ModelMetadata"/> for the property to set.</param>
/// <param name="dtoResult">The <see cref="ModelBindingResult"/> for the property's new value.</param>
/// <param name="requiredValidator">
/// The <see cref="IModelValidator"/> which ensures the value is not <c>null</c>. Or <c>null</c> if no such
/// requirement exists.
/// </param>
/// <remarks>Should succeed in all cases that <see cref="CanUpdateProperty"/> returns <c>true</c>.</remarks>
protected virtual void SetProperty(
[NotNull] ModelBindingContext bindingContext,
[NotNull] ModelExplorer modelExplorer,
[NotNull] ModelMetadata propertyMetadata,
[NotNull] ModelBindingResult dtoResult)
{
var bindingFlags = BindingFlags.Instance | BindingFlags.Public | BindingFlags.IgnoreCase;
var property = bindingContext.ModelType.GetProperty(
propertyMetadata.PropertyName,
bindingFlags);
if (property == null)
{
// Nothing to do if property does not exist.
return;
}
if (!property.CanWrite)
{
// Try to handle as a collection if property exists but is not settable.
AddToProperty(bindingContext, modelExplorer, property, dtoResult);
return;
}
object value = null;
if (dtoResult.IsModelSet)
{
value = dtoResult.Model;
}
if (!dtoResult.IsModelSet)
{
// If we don't have a value, don't set it on the model and trounce a pre-initialized
// value.
return;
}
try
{
propertyMetadata.PropertySetter(bindingContext.Model, value);
}
catch (Exception exception)
{
AddModelError(exception, bindingContext, dtoResult);
}
}
