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using System.Collections.ObjectModel;
using System.Text.Json.Nodes;
using ArcaneLibs;
using LibMatrix;
using LibMatrix.EventTypes.Spec.State;
using LibMatrix.EventTypes.Spec.State.RoomInfo;
using LibMatrix.RoomTypes;
namespace MatrixUtils.Abstractions;
public class RoomInfo : NotifyPropertyChanged {
public required GenericRoom Room { get; set; }
public ObservableCollection<StateEventResponse?> StateEvents { get; } = new();
public async Task<StateEventResponse?> GetStateEvent(string type, string stateKey = "") {
var @event = StateEvents.FirstOrDefault(x => x.Type == type && x.StateKey == stateKey);
if (@event is not null) return @event;
@event = new StateEventResponse {
RoomId = Room.RoomId,
Type = type,
StateKey = stateKey,
Sender = null, //TODO implement
EventId = null
};
// if (Room is null) return null;
try {
@event.RawContent = await Room.GetStateAsync<JsonObject>(type, stateKey);
}
catch (MatrixException e) {
if (e is { ErrorCode: "M_NOT_FOUND" }) {
if (type == "m.room.name")
@event = new() {
Type = type,
StateKey = stateKey,
TypedContent = new RoomNameEventContent() {
Name = await Room.GetNameOrFallbackAsync()
},
//TODO implement
RoomId = null,
Sender = null,
EventId = null
};
else
@event.RawContent = default!;
}
else {
throw;
}
}
StateEvents.Add(@event);
return @event;
}
public string? RoomIcon {
get => _roomIcon ?? "https://api.dicebear.com/6.x/identicon/svg?seed=" + Room.RoomId;
set => SetField(ref _roomIcon, value);
}
public string? RoomName {
get => _roomName ?? DefaultRoomName ?? Room.RoomId;
set => SetField(ref _roomName, value);
}
public RoomCreateEventContent? CreationEventContent {
get => _creationEventContent;
set => SetField(ref _creationEventContent, value);
}
public string? RoomCreator {
get => _roomCreator;
set => SetField(ref _roomCreator, value);
}
// public string? GetRoomIcon() => (StateEvents.FirstOrDefault(x => x?.Type == RoomAvatarEventContent.EventId)?.TypedContent as RoomAvatarEventContent)?.Url ??
// "mxc://rory.gay/dgP0YPjJEWaBwzhnbyLLwGGv";
private string? _roomIcon;
private string? _roomName;
private RoomCreateEventContent? _creationEventContent;
private string? _roomCreator;
public string? DefaultRoomName { get; set; }
public RoomInfo() {
StateEvents.CollectionChanged += (_, args) => {
if (args.NewItems is { Count: > 0 })
foreach (StateEventResponse newState in args.NewItems) { // TODO: switch statement benchmark?
if (newState.Type == RoomNameEventContent.EventId && newState.TypedContent is RoomNameEventContent roomNameContent)
RoomName = roomNameContent.Name;
else if (newState is { Type: RoomAvatarEventContent.EventId, TypedContent: RoomAvatarEventContent roomAvatarContent })
RoomIcon = roomAvatarContent.Url;
else if (newState is { Type: RoomCreateEventContent.EventId, TypedContent: RoomCreateEventContent roomCreateContent }) {
CreationEventContent = roomCreateContent;
RoomCreator = newState.Sender;
}
}
};
}
}
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