/// <summary>
/// Returns whether or not the uri refers to a WebInvoke service operation call
/// </summary>
/// <param name="uri">The uri to extend</param>
/// <returns>whether or not the uri refers to a WebInvoke service operation call</returns>
public static bool IsWebInvokeServiceOperation(this ODataUri uri)
{
if (uri.IsServiceOperation())
{
ODataUriSegment functionSegment = uri.Segments.First(s => s is FunctionSegment);
return(functionSegment.CheckSegment <FunctionSegment>(f => f.Function.Annotations.OfType <LegacyServiceOperationAnnotation>().Single().Method == Http.HttpVerb.Post));
}
return(false);
}
private static bool CheckSegment <TSegment>(this ODataUriSegment segment, Func <TSegment, bool> check) where TSegment : ODataUriSegment
{
var afterCast = segment as TSegment;
if (afterCast == null)
{
return(false);
}
return(check(afterCast));
}
/// <summary>
/// Returns whether or not the uri refers to a service operation call
/// </summary>
/// <param name="uri">The uri to extend</param>
/// <returns>whether or not the uri refers to a service operation call</returns>
public static bool IsServiceOperation(this ODataUri uri)
{
ODataUriSegment functionSegment = uri.Segments.LastOrDefault(s => s is FunctionSegment);
if (functionSegment != null)
{
return(functionSegment.CheckSegment <FunctionSegment>(f => f.Function.IsServiceOperation()));
}
return(false);
}
/// <summary>
/// Returns whether or not the segment refers to a member property
/// </summary>
/// <param name="segment">The segment to extend</param>
/// <returns>whether or not the segment refers to a primitive, complex, or multivalue property</returns>
public static bool IsProperty(this ODataUriSegment segment)
{
return(segment.SegmentType == ODataUriSegmentType.PrimitiveProperty ||
segment.SegmentType == ODataUriSegmentType.ComplexProperty ||
segment.SegmentType == ODataUriSegmentType.MultiValueProperty);
}
/// <summary>
/// Find out whehter the given segment is select-all-function-segment (ContainerName.*)
/// </summary>
/// <param name="selectSegment">The segment</param>
/// <returns>Whether segment is select-all-function-segment</returns>
private bool IsSelectAllFunctionSegment(ODataUriSegment selectSegment)
{
UnrecognizedSegment selectAllFunctionSegment = selectSegment as UnrecognizedSegment;
if (selectAllFunctionSegment != null && selectAllFunctionSegment.Value == this.model.GetDefaultEntityContainer().Name + ".*")
{
return true;
}
return false;
}
/// <summary>
/// Find out whether action matches with the ODataUri select function segment
/// </summary>
/// <param name="action">The action</param>
/// <param name="selectSegment">The segment</param>
/// <returns>Whether action matches with the function segment</returns>
private bool FuctionMatchWithSelectFunctionSegment(Function action, ODataUriSegment selectSegment)
{
FunctionSegment selectFunctionSegment = selectSegment as FunctionSegment;
if (selectFunctionSegment != null && selectFunctionSegment.Function == action)
{
return true;
}
// Sometimes the $select segment is an UnrecognizedSegment
UnrecognizedSegment otherTypeOfSelectSegment = selectSegment as UnrecognizedSegment;
if (otherTypeOfSelectSegment != null && selectFunctionSegment == null)
{
string actionName = action.Name;
// Determine the if selction segment was <Action Name> or <EntityContainer>.<Action Name>
if (otherTypeOfSelectSegment.Value.Contains('.'))
{
actionName = string.Concat(action.Model.GetDefaultEntityContainer().Name, ".", actionName);
}
if (otherTypeOfSelectSegment.Value.Equals(actionName, System.StringComparison.OrdinalIgnoreCase))
{
return true;
}
}
return false;
}