/// <inheritdoc />
public override bool TryTranslate(ODataTemplateTranslateContext context)
{
if (context == null)
{
throw Error.ArgumentNull(nameof(context));
}
// If the function has no parameter, we don't need to do anything and just return an operation import segment.
if (ParameterMappings.Count == 0)
{
context.Segments.Add(new OperationImportSegment(FunctionImport, NavigationSource as IEdmEntitySetBase));
return(true);
}
if (HasOptionalMissing())
{
// If this function template has the optional parameter missing,
// for example: ~/GetSalary(min={min},max={max}), without ave={ave}
// We should avoid this template matching with "~/GetSalary(min=1,max=2,ave=3)"
// In this request, the comming route data has:
// min = 1
// max = 2,ave=3
// so, let's combine the route data together and separate them using "," again.
if (!SegmentTemplateHelpers.IsMatchParameters(context.RouteValues, ParameterMappings))
{
return(false);
}
}
IList <OperationSegmentParameter> parameters = SegmentTemplateHelpers.Match(context, FunctionImport.Function, ParameterMappings);
if (parameters == null)
{
return(false);
}
context.Segments.Add(new OperationImportSegment(FunctionImport, NavigationSource as IEdmEntitySetBase, parameters));
return(true);
}
