LibMatrix.EventTypes/Spec/RoomMessageEventContent.cs


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using System.Text.Json.Serialization;

namespace LibMatrix.EventTypes.Spec;

[MatrixEvent(EventName = EventId)]
public class RoomMessageEventContent : TimelineEventContent {
    public const string EventId = "m.room.message";

    public RoomMessageEventContent(string messageType = "m.notice", string? body = null) {
        MessageType = messageType;
        Body = body ?? "";
    }

    [JsonPropertyName("body")]
    public string Body { get; set; }

    [JsonPropertyName("msgtype")]
    public string MessageType { get; set; } = "m.notice";

    [JsonPropertyName("formatted_body")]
    public string? FormattedBody { get; set; }

    [JsonPropertyName("format")]
    public string? Format { get; set; }

    /// <summary>
    /// Media URI for this message, if any
    /// </summary>
    [JsonPropertyName("url")]
    public string? Url { get; set; }

    public string? FileName { get; set; }

    [JsonPropertyName("info")]
    public FileInfoStruct? FileInfo { get; set; }
    
    [JsonIgnore]
    public string BodyWithoutReplyFallback => Body.Split('\n').SkipWhile(x => x.StartsWith(">")).SkipWhile(x=>x.Trim().Length == 0).Aggregate((x, y) => $"{x}\n{y}");

    public class FileInfoStruct {
        [JsonPropertyName("mimetype")]
        public string? MimeType { get; set; }

        [JsonPropertyName("size")]
        public long Size { get; set; }

        [JsonPropertyName("thumbnail_url")]
        public string? ThumbnailUrl { get; set; }
    }
}