Nice if statements

gistfile1.txt

if (channel != null)
{
    if (channel is EmailNotificationChannel)
    {
        if (status.HasFlag(NotificationChannelStatus.All))
        {
            query = query.Where(x =>
                x.EmailChannelStatus == NotificationChannelStatus.Displayed.ToString() |
                x.EmailChannelStatus == NotificationChannelStatus.New.ToString() |
                x.EmailChannelStatus == NotificationChannelStatus.Read.ToString() |
                x.EmailChannelStatus == NotificationChannelStatus.Sent.ToString());
        }
        else if (status == NotificationChannelStatus.Displayed)
        {
            query = query.Where(x => x.EmailChannelStatus == NotificationChannelStatus.Displayed.ToString());
        }
        else if (status == NotificationChannelStatus.New)
        {
            query = query.Where(x => x.EmailChannelStatus == NotificationChannelStatus.New.ToString());
        }
        else if (status == NotificationChannelStatus.Read)
        {
            query = query.Where(x => x.EmailChannelStatus == NotificationChannelStatus.Read.ToString());
        }
        else if (status == NotificationChannelStatus.Sent)
        {
            query = query.Where(x => x.EmailChannelStatus == NotificationChannelStatus.Sent.ToString());
        }
        else if (status == NotificationChannelStatus.Displayed || status == NotificationChannelStatus.New || status == NotificationChannelStatus.Read)
        {
            query = query.Where(x =>
                x.EmailChannelStatus == NotificationChannelStatus.Displayed.ToString() |
                x.EmailChannelStatus == NotificationChannelStatus.New.ToString() |
                x.EmailChannelStatus == NotificationChannelStatus.Read.ToString());
        }
        else if (status == NotificationChannelStatus.Displayed || status == NotificationChannelStatus.New || status == NotificationChannelStatus.Sent)
        {
            query = query.Where(x =>
                x.EmailChannelStatus == NotificationChannelStatus.Displayed.ToString() |
                x.EmailChannelStatus == NotificationChannelStatus.New.ToString() |
                x.EmailChannelStatus == NotificationChannelStatus.Sent.ToString());
        }
        else if (status == NotificationChannelStatus.Displayed || status == NotificationChannelStatus.Read || status == NotificationChannelStatus.Sent)
        {
            query = query.Where(x =>
                x.EmailChannelStatus == NotificationChannelStatus.Displayed.ToString() |
                x.EmailChannelStatus == NotificationChannelStatus.Read.ToString() |
                x.EmailChannelStatus == NotificationChannelStatus.Sent.ToString());
        }
        else if (status == NotificationChannelStatus.Displayed || status == NotificationChannelStatus.New)
        {
            query = query.Where(x =>
                x.EmailChannelStatus == NotificationChannelStatus.Displayed.ToString() |
                x.EmailChannelStatus == NotificationChannelStatus.New.ToString());
        }
        else if (status == NotificationChannelStatus.Displayed || status == NotificationChannelStatus.Read)
        {
            query = query.Where(x =>
                x.EmailChannelStatus == NotificationChannelStatus.New.ToString() |
                x.EmailChannelStatus == NotificationChannelStatus.Read.ToString());
        }
        else if (status == NotificationChannelStatus.Displayed || status == NotificationChannelStatus.Sent)
        {
            query = query.Where(x =>
                x.EmailChannelStatus == NotificationChannelStatus.Displayed.ToString() |
                x.EmailChannelStatus == NotificationChannelStatus.Sent.ToString());
        }
        else if (status == NotificationChannelStatus.New || status == NotificationChannelStatus.Read || status == NotificationChannelStatus.Sent)
        {
            query = query.Where(x =>
                x.EmailChannelStatus == NotificationChannelStatus.New.ToString() |
                x.EmailChannelStatus == NotificationChannelStatus.Read.ToString() |
                x.EmailChannelStatus == NotificationChannelStatus.Sent.ToString());
        }
        else if (status == NotificationChannelStatus.New || status == NotificationChannelStatus.Read)
        {
            query = query.Where(x =>
                x.EmailChannelStatus == NotificationChannelStatus.New.ToString() |
                x.EmailChannelStatus == NotificationChannelStatus.Read.ToString());
        }
        else if (status == NotificationChannelStatus.New || status == NotificationChannelStatus.Sent)
        {
            query = query.Where(x =>
                x.EmailChannelStatus == NotificationChannelStatus.New.ToString() |
                x.EmailChannelStatus == NotificationChannelStatus.Sent.ToString());
        }
        else if (status == NotificationChannelStatus.Read || status == NotificationChannelStatus.Sent)
        {
            query = query.Where(x =>
                x.EmailChannelStatus == NotificationChannelStatus.Read.ToString() |
                x.EmailChannelStatus == NotificationChannelStatus.Sent.ToString());
        }
    }

    if (channel is WebNotificationChannel)
    {
        if (status.HasFlag(NotificationChannelStatus.All))
        {
            query = query.Where(x =>
                x.WebChannelStatus == NotificationChannelStatus.Displayed.ToString() |
                x.WebChannelStatus == NotificationChannelStatus.New.ToString() |
                x.WebChannelStatus == NotificationChannelStatus.Read.ToString() |
                x.WebChannelStatus == NotificationChannelStatus.Sent.ToString());
        }
        else if (status == NotificationChannelStatus.Displayed)
        {
            query = query.Where(x => x.WebChannelStatus == NotificationChannelStatus.Displayed.ToString());
        }
        else if (status == NotificationChannelStatus.New)
        {
            query = query.Where(x => x.WebChannelStatus == NotificationChannelStatus.New.ToString());
        }
        else if (status == NotificationChannelStatus.Read)
        {
            query = query.Where(x => x.WebChannelStatus == NotificationChannelStatus.Read.ToString());
        }
        else if (status == NotificationChannelStatus.Sent)
        {
            query = query.Where(x => x.WebChannelStatus == NotificationChannelStatus.Sent.ToString());
        }
        else if (status == NotificationChannelStatus.Displayed || status == NotificationChannelStatus.New || status == NotificationChannelStatus.Read)
        {
            query = query.Where(x =>
                x.WebChannelStatus == NotificationChannelStatus.Displayed.ToString() |
                x.WebChannelStatus == NotificationChannelStatus.New.ToString() |
                x.WebChannelStatus == NotificationChannelStatus.Read.ToString());
        }
        else if (status == NotificationChannelStatus.Displayed || status == NotificationChannelStatus.New || status == NotificationChannelStatus.Sent)
        {
            query = query.Where(x =>
                x.WebChannelStatus == NotificationChannelStatus.Displayed.ToString() |
                x.WebChannelStatus == NotificationChannelStatus.New.ToString() |
                x.WebChannelStatus == NotificationChannelStatus.Sent.ToString());
        }
        else if (status == NotificationChannelStatus.Displayed || status == NotificationChannelStatus.Read || status == NotificationChannelStatus.Sent)
        {
            query = query.Where(x =>
                x.WebChannelStatus == NotificationChannelStatus.Displayed.ToString() |
                x.WebChannelStatus == NotificationChannelStatus.Read.ToString() |
                x.WebChannelStatus == NotificationChannelStatus.Sent.ToString());
        }
        else if (status == NotificationChannelStatus.Displayed || status == NotificationChannelStatus.New)
        {
            query = query.Where(x =>
                x.WebChannelStatus == NotificationChannelStatus.Displayed.ToString() |
                x.WebChannelStatus == NotificationChannelStatus.New.ToString());
        }
        else if (status == NotificationChannelStatus.Displayed || status == NotificationChannelStatus.Read)
        {
            query = query.Where(x =>
                x.WebChannelStatus == NotificationChannelStatus.New.ToString() |
                x.WebChannelStatus == NotificationChannelStatus.Read.ToString());
        }
        else if (status == NotificationChannelStatus.Displayed || status == NotificationChannelStatus.Sent)
        {
            query = query.Where(x =>
                x.WebChannelStatus == NotificationChannelStatus.Displayed.ToString() |
                x.WebChannelStatus == NotificationChannelStatus.Sent.ToString());
        }
        else if (status == NotificationChannelStatus.New || status == NotificationChannelStatus.Read || status == NotificationChannelStatus.Sent)
        {
            query = query.Where(x =>
                x.WebChannelStatus == NotificationChannelStatus.New.ToString() |
                x.WebChannelStatus == NotificationChannelStatus.Read.ToString() |
                x.WebChannelStatus == NotificationChannelStatus.Sent.ToString());
        }
        else if (status == NotificationChannelStatus.New || status == NotificationChannelStatus.Read)
        {
            query = query.Where(x =>
                x.WebChannelStatus == NotificationChannelStatus.New.ToString() |
                x.WebChannelStatus == NotificationChannelStatus.Read.ToString());
        }
        else if (status == NotificationChannelStatus.New || status == NotificationChannelStatus.Sent)
        {
            query = query.Where(x =>
                x.WebChannelStatus == NotificationChannelStatus.New.ToString() |
                x.WebChannelStatus == NotificationChannelStatus.Sent.ToString());
        }
        else if (status == NotificationChannelStatus.Read || status == NotificationChannelStatus.Sent)
        {
            query = query.Where(x =>
                x.WebChannelStatus == NotificationChannelStatus.Read.ToString() |
                x.WebChannelStatus == NotificationChannelStatus.Sent.ToString());
        }
    }
}