public override QueryExpression VisitMatchText(MatchTextExpression expression, object argument)
{
PropertyInfo property = expression.TargetAttribute.Fields.Last().Property;
if (IsCarId(property))
{
throw new NotSupportedException("Partial text matching on Car IDs is not possible.");
}
return(base.VisitMatchText(expression, argument));
}
public override Expression VisitMatchText(MatchTextExpression expression, Type argument)
{
Expression property = Visit(expression.TargetAttribute, argument);
if (property.Type != typeof(string))
{
throw new InvalidOperationException("Expression must be a string.");
}
Expression text = Visit(expression.TextValue, property.Type);
if (expression.MatchKind == TextMatchKind.StartsWith)
{
return(Expression.Call(property, "StartsWith", null, text));
}
if (expression.MatchKind == TextMatchKind.EndsWith)
{
return(Expression.Call(property, "EndsWith", null, text));
}
return(Expression.Call(property, "Contains", null, text));
}
