/// <summary>
/// Create the <see cref="ODataFeed"/> to be written for the given feed instance.
/// </summary>
/// <param name="feedInstance">The instance representing the feed being written.</param>
/// <param name="feedType">The EDM type of the feed being written.</param>
/// <param name="writeContext">The serializer context.</param>
/// <returns>The created <see cref="ODataFeed"/> object.</returns>
public virtual ODataFeed CreateODataFeed(IEnumerable feedInstance, IEdmCollectionTypeReference feedType,
ODataSerializerContext writeContext)
{
ODataFeed feed = new ODataFeed();
if (writeContext.ExpandedEntity == null)
{
// If we have more OData format specific information apply it now, only if we are the root feed.
PageResult odataFeedAnnotations = feedInstance as PageResult;
if (odataFeedAnnotations != null)
{
feed.Count = odataFeedAnnotations.Count;
feed.NextPageLink = odataFeedAnnotations.NextPageLink;
}
else if (writeContext.Request != null)
{
feed.NextPageLink = writeContext.Request.ODataProperties().NextLink;
long?countValue = writeContext.Request.ODataProperties().TotalCount;
if (countValue.HasValue)
{
feed.Count = countValue.Value;
}
}
}
else
{
// nested feed
ITruncatedCollection truncatedCollection = feedInstance as ITruncatedCollection;
if (truncatedCollection != null && truncatedCollection.IsTruncated)
{
feed.NextPageLink = GetNestedNextPageLink(writeContext, truncatedCollection.PageSize);
}
ICountOptionCollection countOptionCollection = feedInstance as ICountOptionCollection;
if (countOptionCollection != null && countOptionCollection.TotalCount != null)
{
feed.Count = countOptionCollection.TotalCount;
}
}
return(feed);
}
/// <summary>
/// Create the <see cref="ODataResourceSet"/> to be written for the given resourceSet instance.
/// </summary>
/// <param name="resourceSetInstance">The instance representing the resourceSet being written.</param>
/// <param name="resourceSetType">The EDM type of the resourceSet being written.</param>
/// <param name="writeContext">The serializer context.</param>
/// <returns>The created <see cref="ODataResourceSet"/> object.</returns>
public virtual ODataResourceSet CreateResourceSet(IEnumerable resourceSetInstance, IEdmCollectionTypeReference resourceSetType,
ODataSerializerContext writeContext)
{
ODataResourceSet resourceSet = new ODataResourceSet
{
TypeName = resourceSetType.FullName()
};
IEdmStructuredTypeReference structuredType = GetResourceType(resourceSetType).AsStructured();
if (writeContext.NavigationSource != null && structuredType.IsEntity())
{
ResourceSetContext resourceSetContext = new ResourceSetContext
{
Request = writeContext.Request,
Context = writeContext.Context,
EntitySetBase = writeContext.NavigationSource as IEdmEntitySetBase,
Url = writeContext.Url,
ResourceSetInstance = resourceSetInstance
};
IEdmEntityType entityType = structuredType.AsEntity().EntityDefinition();
var operations = writeContext.Model.GetAvailableOperationsBoundToCollection(entityType);
var odataOperations = CreateODataOperations(operations, resourceSetContext, writeContext);
foreach (var odataOperation in odataOperations)
{
ODataAction action = odataOperation as ODataAction;
if (action != null)
{
resourceSet.AddAction(action);
}
else
{
resourceSet.AddFunction((ODataFunction)odataOperation);
}
}
}
if (writeContext.ExpandedResource == null)
{
// If we have more OData format specific information apply it now, only if we are the root feed.
PageResult odataResourceSetAnnotations = resourceSetInstance as PageResult;
if (odataResourceSetAnnotations != null)
{
resourceSet.Count = odataResourceSetAnnotations.Count;
resourceSet.NextPageLink = odataResourceSetAnnotations.NextPageLink;
}
else if (writeContext.Request != null)
{
resourceSet.NextPageLink = writeContext.Context.ODataFeature().NextLink;
long?countValue = writeContext.Context.ODataFeature().TotalCount;
if (countValue.HasValue)
{
resourceSet.Count = countValue.Value;
}
}
}
else
{
// nested resourceSet
ITruncatedCollection truncatedCollection = resourceSetInstance as ITruncatedCollection;
if (truncatedCollection != null && truncatedCollection.IsTruncated)
{
resourceSet.NextPageLink = GetNestedNextPageLink(writeContext, truncatedCollection.PageSize);
}
ICountOptionCollection countOptionCollection = resourceSetInstance as ICountOptionCollection;
if (countOptionCollection != null && countOptionCollection.TotalCount != null)
{
resourceSet.Count = countOptionCollection.TotalCount;
}
}
return(resourceSet);
}
/// <summary>
/// Create the <see cref="ODataFeed"/> to be written for the given feed instance.
/// </summary>
/// <param name="feedInstance">The instance representing the feed being written.</param>
/// <param name="feedType">The EDM type of the feed being written.</param>
/// <param name="writeContext">The serializer context.</param>
/// <returns>The created <see cref="ODataFeed"/> object.</returns>
public virtual ODataFeed CreateODataFeed(IEnumerable feedInstance, IEdmCollectionTypeReference feedType,
ODataSerializerContext writeContext)
{
ODataFeed feed = new ODataFeed();
if (writeContext.NavigationSource != null)
{
FeedContext feedContext = new FeedContext
{
Request = writeContext.Request,
RequestContext = writeContext.RequestContext,
EntitySetBase = writeContext.NavigationSource as IEdmEntitySetBase,
Url = writeContext.Url,
FeedInstance = feedInstance
};
IEdmEntityType entityType = GetEntityType(feedType).Definition as IEdmEntityType;
var operations = writeContext.Model.GetAvailableOperationsBoundToCollection(entityType);
var odataOperations = CreateODataOperations(operations, feedContext, writeContext);
foreach (var odataOperation in odataOperations)
{
ODataAction action = odataOperation as ODataAction;
if (action != null)
{
feed.AddAction(action);
}
else
{
feed.AddFunction((ODataFunction)odataOperation);
}
}
}
if (writeContext.ExpandedEntity == null)
{
// If we have more OData format specific information apply it now, only if we are the root feed.
PageResult odataFeedAnnotations = feedInstance as PageResult;
if (odataFeedAnnotations != null)
{
feed.Count = odataFeedAnnotations.Count;
feed.NextPageLink = odataFeedAnnotations.NextPageLink;
}
else if (writeContext.Request != null)
{
feed.NextPageLink = writeContext.Request.ODataProperties().NextLink;
long?countValue = writeContext.Request.ODataProperties().TotalCount;
if (countValue.HasValue)
{
feed.Count = countValue.Value;
}
}
}
else
{
// nested feed
ITruncatedCollection truncatedCollection = feedInstance as ITruncatedCollection;
if (truncatedCollection != null && truncatedCollection.IsTruncated)
{
feed.NextPageLink = GetNestedNextPageLink(writeContext, truncatedCollection.PageSize);
}
ICountOptionCollection countOptionCollection = feedInstance as ICountOptionCollection;
if (countOptionCollection != null && countOptionCollection.TotalCount != null)
{
feed.Count = countOptionCollection.TotalCount;
}
}
return(feed);
}
