protected override PropertyAccessResult AccessMember(Expression entity, Type entityType, string propertyName)
{
var propertyInfo = entityType.GetProperty(propertyName);
if (propertyInfo == null)
{
return(null);
}
var propertyAccess = Expression.MakeMemberAccess(entity, propertyInfo);
var result = new PropertyAccessResult(
propertyType: propertyInfo.PropertyType,
propertyAccessExpression: propertyAccess);
return(result);
}
public PropertyAccessResult Decorate(PropertyAccessResult propertyAccess)
{
if (!typeof(DateTime).IsAssignableFrom(propertyAccess.PropertyType))
{
return(propertyAccess);
}
Func <DateTime?, DateTime?> parserFunc = EntityFunctions.TruncateTime;
var castedExpression = Expression.Convert(propertyAccess.PropertyAccessExpression, typeof(DateTime?));
var decoratedPropertyExpression = Expression.Call(parserFunc.Method, castedExpression);
var result = Expression.Convert(decoratedPropertyExpression, typeof(DateTime));
return(new PropertyAccessResult(
propertyType: typeof(DateTime),
propertyAccessExpression: result));
}