private static IEnumerable <Message> ApplyOrFilter(MsgFilterObj filterObj)
{
return(filterObj.Messages.Where(msg => CheckUser(msg, filterObj.User) ||
(filterObj.MessageText != null && filterObj.MessageText != string.Empty && msg.Text.Contains(filterObj.MessageText, StringComparison.OrdinalIgnoreCase)) ||
(filterObj.StartTime != null && filterObj.StartTime <= msg.ReceivingTime) ||
(filterObj.EndTime != null && filterObj.EndTime <= msg.ReceivingTime)));
}
private static IEnumerable <Message> ApplyAndFilter(MsgFilterObj filterObj)
{
return(filterObj.Messages.Where(msg => CheckUser(msg, filterObj.User) &&
(filterObj.MessageText == null || filterObj.MessageText == string.Empty || msg.Text.Contains(filterObj.MessageText, StringComparison.OrdinalIgnoreCase)) &&
(filterObj.StartTime == null || filterObj.StartTime <= msg.ReceivingTime) &&
(filterObj.EndTime == null || filterObj.EndTime >= msg.ReceivingTime)));
}
public static IEnumerable <Message> ApplyFilter(MsgFilterObj filterObj)
{
if (filterObj.UseAndForCond)
{
return(ApplyAndFilter(filterObj));
}
return(ApplyOrFilter(filterObj));
}