public Task BindModelAsync(ModelBindingContext bindingContext)
{
if (bindingContext == null)
{
throw Error.ArgumentNull(nameof(bindingContext));
}
if (bindingContext.ModelMetadata == null)
{
throw Error.Argument(nameof(bindingContext), SRResources.ModelBinderUtil_ModelMetadataCannotBeNull);
}
ValueProviderResult valueProviderResult = ValueProviderResult.None;
string modelName = ODataParameterValue.ParameterValuePrefix + bindingContext.ModelName;
try
{
// Look in route data for a ODataParameterValue.
object valueAsObject = null;
if (!bindingContext.HttpContext.Request.ODataFeature().RoutingConventionsStore.TryGetValue(modelName, out valueAsObject))
{
bindingContext.ActionContext.RouteData.Values.TryGetValue(modelName, out valueAsObject);
}
if (valueAsObject != null)
{
StringValues stringValues = new StringValues(valueAsObject.ToString());
valueProviderResult = new ValueProviderResult(stringValues);
bindingContext.ModelState.SetModelValue(bindingContext.ModelName, valueProviderResult);
ODataParameterValue paramValue = valueAsObject as ODataParameterValue;
if (paramValue != null)
{
HttpRequest request = bindingContext.HttpContext.Request;
object model = ConvertTo(paramValue, bindingContext, request.GetSubServiceProvider());
bindingContext.Result = ModelBindingResult.Success(model);
return(Task.CompletedTask);
}
}
else
{
// If not in the route data, ask the value provider.
valueProviderResult = bindingContext.ValueProvider.GetValue(modelName);
if (valueProviderResult == ValueProviderResult.None)
{
valueProviderResult = bindingContext.ValueProvider.GetValue(bindingContext.ModelName);
}
if (valueProviderResult != ValueProviderResult.None)
{
bindingContext.ModelState.SetModelValue(bindingContext.ModelName, valueProviderResult);
HttpRequest request = bindingContext.HttpContext.Request;
TimeZoneInfo timeZone = request.GetTimeZoneInfo();
object model = ODataModelBinderConverter.ConvertTo(valueProviderResult.FirstValue, bindingContext.ModelType, timeZone);
if (model != null)
{
bindingContext.Result = ModelBindingResult.Success(model);
return(Task.CompletedTask);
}
}
}
// No matches, binding failed.
bindingContext.Result = ModelBindingResult.Failed();
}
catch (ODataException ex)
{
bindingContext.ModelState.AddModelError(bindingContext.ModelName, ex.Message);
bindingContext.Result = ModelBindingResult.Failed();
}
catch (ValidationException ex)
{
bindingContext.ModelState.AddModelError(bindingContext.ModelName, Error.Format(SRResources.ValueIsInvalid, valueProviderResult.FirstValue, ex.Message));
bindingContext.Result = ModelBindingResult.Failed();
}
catch (FormatException ex)
{
bindingContext.ModelState.AddModelError(bindingContext.ModelName, Error.Format(SRResources.ValueIsInvalid, valueProviderResult.FirstValue, ex.Message));
bindingContext.Result = ModelBindingResult.Failed();
}
catch (Exception e)
{
bindingContext.ModelState.AddModelError(bindingContext.ModelName, e.Message);
bindingContext.Result = ModelBindingResult.Failed();
}
return(Task.CompletedTask);
}
