public bool BindModel(HttpActionContext actionContext, ModelBindingContext bindingContext)
{
ContentIdRecord contentIdRecord = ContentIdHelper.GetReferencedContentIdEntity(actionContext.Request);
if (contentIdRecord == null)
{
// Value doesn't exist
return(false);
}
if (bindingContext.ModelType.IsAssignableFrom(contentIdRecord.EntityType))
{
bindingContext.Model = contentIdRecord.Entity;
return(true);
}
else
{
string errorMessage = string.Format("Content-ID reference ${0} contains an entity of type {1}, which could not be converted to type {2}.",
contentIdRecord.ContentId,
contentIdRecord.EntityType,
bindingContext.ModelType);
bindingContext.ModelState.AddModelError(bindingContext.ModelName, errorMessage);
return(false);
}
}
/// <summary>
/// Sends a single OData changeset request.
/// </summary>
/// <param name="invoker">The invoker.</param>
/// <param name="request">The request.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns></returns>
private async Task <HttpResponseMessage> SendSubRequestAsync(HttpMessageInvoker invoker, HttpRequestMessage request, CancellationToken cancellationToken)
{
// Modifies the request Uri if there's a Content-ID reference (eg http://localhost/odata/$46/Messages )
ContentIdHelper.ResolveContentIdReferenceInRequestUrl(request);
HttpResponseMessage response = await invoker.SendAsync(request, cancellationToken);
ChangeSetExtensions.CopyContentIdHeaderToResponse(request, response);
ChangeSetExtensions.StoreLocationHeaderForContentId(response, _changeSetContext);
return(response);
}
public static bool ContentIdReferenceToEntity(this HttpRequestMessage request, string reference, out object referencedEntity)
{
referencedEntity = null;
int contentId;
if (!ContentIdHelper.TryParseContentIdReference(reference, out contentId))
{
return(false);
}
ChangeSetContext changeSetContext = request.GetChangeSetContext();
if (changeSetContext != null)
{
ContentIdRecord contentIdRecord = changeSetContext.GetContentIdRecord(contentId);
if (contentIdRecord != null)
{
referencedEntity = contentIdRecord.Entity;
}
}
return(referencedEntity != null);
}
