/// <summary>
/// Binds date related functions to create a LINQ <see cref="Expression"/>.
/// </summary>
/// <param name="node">The query node to bind.</param>
/// <param name="context">The query binder context.</param>
/// <returns>The LINQ <see cref="Expression"/> created.</returns>
protected virtual Expression BindDateRelatedProperty(SingleValueFunctionCallNode node, QueryBinderContext context)
{
CheckArgumentNull(node, context);
Expression[] arguments = BindArguments(node.Parameters, context);
Contract.Assert(arguments.Length == 1 && ExpressionBinderHelper.IsDateRelated(arguments[0].Type));
// We should support DateTime & DateTimeOffset even though DateTime is not part of OData v4 Spec.
Expression parameter = arguments[0];
PropertyInfo property;
if (ExpressionBinderHelper.IsDate(parameter.Type))
{
Contract.Assert(ClrCanonicalFunctions.DateProperties.ContainsKey(node.Name));
property = ClrCanonicalFunctions.DateProperties[node.Name];
}
#if NET6_0
else if (parameter.Type.IsDateOnly())
{
Contract.Assert(ClrCanonicalFunctions.DateOnlyProperties.ContainsKey(node.Name));
property = ClrCanonicalFunctions.DateOnlyProperties[node.Name];
}
#endif
else if (ExpressionBinderHelper.IsDateTime(parameter.Type))
{
Contract.Assert(ClrCanonicalFunctions.DateTimeProperties.ContainsKey(node.Name));
property = ClrCanonicalFunctions.DateTimeProperties[node.Name];
}
else
{
Contract.Assert(ClrCanonicalFunctions.DateTimeOffsetProperties.ContainsKey(node.Name));
property = ClrCanonicalFunctions.DateTimeOffsetProperties[node.Name];
}
return(ExpressionBinderHelper.MakeFunctionCall(property, context.QuerySettings, parameter));
}
