1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
|
using System.Collections.Concurrent;
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.Homeservers;
using LibMatrix.RoomTypes;
namespace MatrixUtils.Abstractions;
public class RoomInfo : NotifyPropertyChanged {
public RoomInfo(GenericRoom room) {
Room = room;
_fallbackIcon = identiconGenerator.GenerateAsDataUri(room.RoomId);
RegisterEventListener();
}
public RoomInfo(GenericRoom room, List<StateEventResponse>? stateEvents) {
Room = room;
_fallbackIcon = identiconGenerator.GenerateAsDataUri(room.RoomId);
if (stateEvents is { Count: > 0 }) StateEvents = new(stateEvents!);
RegisterEventListener();
ProcessNewItems(stateEvents!);
}
public readonly GenericRoom Room;
public ObservableCollection<StateEventResponse?> StateEvents { get; private set; } = new();
public ObservableCollection<StateEventResponse?> Timeline { get; private set; } = new();
private static ConcurrentBag<AuthenticatedHomeserverGeneric> homeserversWithoutEventFormatSupport = new();
private static SvgIdenticonGenerator identiconGenerator = new();
public async Task<StateEventResponse?> GetStateEvent(string type, string stateKey = "") {
if (homeserversWithoutEventFormatSupport.Contains(Room.Homeserver)) return await GetStateEventForged(type, stateKey);
var @event = StateEvents.FirstOrDefault(x => x?.Type == type && x.StateKey == stateKey);
if (@event is not null) return @event;
try {
@event = await Room.GetStateEventOrNullAsync(type, stateKey);
StateEvents.Add(@event);
}
catch (Exception e) {
if (e is InvalidDataException) {
homeserversWithoutEventFormatSupport.Add(Room.Homeserver);
return await GetStateEventForged(type, stateKey);
}
Console.Error.WriteLine(e);
await Task.Delay(1000);
return await GetStateEvent(type, stateKey);
}
return @event;
}
private async Task<StateEventResponse?> GetStateEventForged(string type, string stateKey = "") {
var @event = new StateEventResponse {
RoomId = Room.RoomId,
Type = type,
StateKey = stateKey,
Sender = null, //TODO implement
EventId = 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;
}
}
catch (Exception e) {
await Task.Delay(1000);
return await GetStateEvent(type, stateKey);
}
return @event;
}
public string? RoomIcon {
get => _roomIcon ?? _fallbackIcon;
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);
}
private string? _roomCreator;
public string? RoomCreator {
get => _roomCreator;
set => SetField(ref _roomCreator, value);
}
private string? _roomIcon;
private readonly string _fallbackIcon;
private string? _roomName;
private RoomCreateEventContent? _creationEventContent;
private string? _overrideRoomType;
private string? _defaultRoomName;
private RoomMemberEventContent? _ownMembership;
public string? DefaultRoomName {
get => _defaultRoomName;
set {
if (SetField(ref _defaultRoomName, value)) OnPropertyChanged(nameof(RoomName));
}
}
public string? OverrideRoomType {
get => _overrideRoomType;
set {
if (SetField(ref _overrideRoomType, value)) OnPropertyChanged(nameof(RoomType));
}
}
public string? RoomType => OverrideRoomType ?? CreationEventContent?.Type;
public RoomMemberEventContent? OwnMembership {
get => _ownMembership;
set => SetField(ref _ownMembership, value);
}
private void RegisterEventListener() {
StateEvents.CollectionChanged += (_, args) => {
if (args.NewItems is { Count: > 0 })
ProcessNewItems(args.NewItems.OfType<StateEventResponse>());
};
}
private void ProcessNewItems(IEnumerable<StateEventResponse?> newItems) {
foreach (StateEventResponse? newState in newItems) {
if (newState is null) continue;
// TODO: Benchmark switch statement
if(newState.StateKey != "") continue;
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;
}
}
}
public async Task FetchAllStateAsync() {
var stateEvents = Room.GetFullStateAsync();
await foreach (var stateEvent in stateEvents) {
StateEvents.Add(stateEvent);
}
}
}
|
