DiscordChatExporter/DiscordChatExporter.Core/Exporting/Filtering/BinaryExpressionMessageFilter.cs

using System;
using DiscordChatExporter.Core.Discord.Data;

namespace DiscordChatExporter.Core.Exporting.Filtering;

internal class BinaryExpressionMessageFilter : MessageFilter
{
    private readonly MessageFilter _first;
    private readonly MessageFilter _second;
    private readonly BinaryExpressionKind _kind;

    public BinaryExpressionMessageFilter(MessageFilter first, MessageFilter second, BinaryExpressionKind kind)
    {
        _first = first;
        _second = second;
        _kind = kind;
    }

    public override bool IsMatch(Message message) => _kind switch
    {
        BinaryExpressionKind.Or => _first.IsMatch(message) || _second.IsMatch(message),
        BinaryExpressionKind.And => _first.IsMatch(message) && _second.IsMatch(message),
        _ => throw new InvalidOperationException($"Unknown binary expression kind '{_kind}'.")
    };
}