private string GetFilterValue(OperatorId operatorId, string[] values)
{
if (values.Length == 0)
{
return(null);
}
switch (operatorId)
{
case OperatorId.Equals:
case OperatorId.MatchPrefix:
if (values.Length > 1)
{
throw new InvalidParametersCountException($"Operator {operatorId.GetAttribute<EnumMemberAttribute>().Value} can not have more than one value");
}
return(values[0]);
case OperatorId.LessThan:
if (values.Length > 1)
{
throw new InvalidParametersCountException($"Operator {operatorId.GetAttribute<EnumMemberAttribute>().Value} can not have more than one value");
}
return($"lt{values[0]}");
case OperatorId.GreaterThan:
if (values.Length > 1)
{
throw new InvalidParametersCountException($"Operator {operatorId.GetAttribute<EnumMemberAttribute>().Value} can not have more than one value");
}
return($"gt{values[0]}");
case OperatorId.IsIn:
return(string.Join(",", values));
case OperatorId.Range:
if (values.Length != 2)
{
throw new InvalidParametersCountException($"Operator {operatorId.GetAttribute<EnumMemberAttribute>().Value} can have only two values");
}
return($"gt{values[0]},lt{values[1]}");
default:
return(null);
}
}