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using System.Runtime.Intrinsics.X86;
using LibMatrix.EventTypes.Spec.State.RoomInfo;
using LibMatrix.Homeservers;
using LibMatrix.Responses;
using LibMatrix.RoomTypes;
namespace LibMatrix.Helpers;
public class RoomBuilder {
public string? Type { get; set; }
public string Version { get; set; } = "11";
public RoomNameEventContent Name { get; set; } = new();
public RoomTopicEventContent Topic { get; set; } = new();
public RoomAvatarEventContent Avatar { get; set; } = new();
public RoomCanonicalAliasEventContent CanonicalAlias { get; set; } = new();
public string AliasLocalPart { get; set; } = string.Empty;
public bool IsFederatable { get; set; } = true;
public long OwnPowerLevel { get; set; } = MatrixConstants.MaxSafeJsonInteger;
public RoomJoinRulesEventContent JoinRules { get; set; } = new() {
JoinRule = RoomJoinRulesEventContent.JoinRules.Public
};
public RoomHistoryVisibilityEventContent HistoryVisibility { get; set; } = new() {
HistoryVisibility = RoomHistoryVisibilityEventContent.HistoryVisibilityTypes.Shared
};
/// <summary>
/// State events to be sent *before* room access is configured. Keep this small!
/// </summary>
public List<StateEvent> ImportantState { get; set; } = [];
/// <summary>
/// State events to be sent *after* room access is configured, but before invites are sent.
/// </summary>
public List<StateEvent> InitialState { get; set; } = [];
/// <summary>
/// Users to invite, with optional reason
/// </summary>
public Dictionary<string, string?> Invites { get; set; } = new();
public RoomPowerLevelEventContent PowerLevels { get; init; } = new() {
EventsDefault = 0,
UsersDefault = 0,
Kick = 50,
Invite = 50,
Ban = 50,
Redact = 50,
StateDefault = 50,
NotificationsPl = new() {
Room = 50
},
Users = [],
Events = new Dictionary<string, long> {
{ RoomAvatarEventContent.EventId, 50 },
{ RoomCanonicalAliasEventContent.EventId, 50 },
{ RoomEncryptionEventContent.EventId, 100 },
{ RoomHistoryVisibilityEventContent.EventId, 100 },
{ RoomNameEventContent.EventId, 50 },
{ RoomPowerLevelEventContent.EventId, 100 },
{ RoomServerAclEventContent.EventId, 100 },
{ RoomTombstoneEventContent.EventId, 100 },
{ RoomPolicyServerEventContent.EventId, 100 }
}
};
public async Task<GenericRoom> Create(AuthenticatedHomeserverGeneric homeserver) {
var crq = new CreateRoomRequest() {
PowerLevelContentOverride = new() {
EventsDefault = 1000000,
UsersDefault = 1000000,
Kick = 1000000,
Invite = 1000000,
Ban = 1000000,
Redact = 1000000,
StateDefault = 1000000,
NotificationsPl = new() {
Room = 1000000
},
Users = new Dictionary<string, long>() {
{ homeserver.WhoAmI.UserId, MatrixConstants.MaxSafeJsonInteger }
},
Events = new Dictionary<string, long> {
{ RoomAvatarEventContent.EventId, 1000000 },
{ RoomCanonicalAliasEventContent.EventId, 1000000 },
{ RoomEncryptionEventContent.EventId, 1000000 },
{ RoomHistoryVisibilityEventContent.EventId, 1000000 },
{ RoomNameEventContent.EventId, 1000000 },
{ RoomPowerLevelEventContent.EventId, 1000000 },
{ RoomServerAclEventContent.EventId, 1000000 },
{ RoomTombstoneEventContent.EventId, 1000000 },
{ RoomPolicyServerEventContent.EventId, 1000000 }
}
},
Visibility = "private",
RoomVersion = Version
};
if (!string.IsNullOrWhiteSpace(Type))
crq.CreationContent.Add("type", Type);
if (!IsFederatable)
crq.CreationContent.Add("m.federate", false);
var room = await homeserver.CreateRoom(crq);
await SetBasicRoomInfoAsync(room);
await SetStatesAsync(room, ImportantState);
await SetAccessAsync(room);
await SetStatesAsync(room, InitialState);
await SendInvites(room);
return room;
}
private async Task SendInvites(GenericRoom room) {
if (Invites.Count == 0) return;
var inviteTasks = Invites.Select(async kvp => {
try {
await room.InviteUserAsync(kvp.Key, kvp.Value);
}
catch (MatrixException e) {
Console.Error.WriteLine("Failed to invite {0} to {1}: {2}", kvp.Key, room.RoomId, e.Message);
}
});
await Task.WhenAll(inviteTasks);
}
private async Task SetStatesAsync(GenericRoom room, List<StateEvent> state) {
foreach (var ev in state) {
await (string.IsNullOrWhiteSpace(ev.StateKey)
? room.SendStateEventAsync(ev.Type, ev.RawContent)
: room.SendStateEventAsync(ev.Type, ev.StateKey, ev.RawContent));
}
}
private async Task SetBasicRoomInfoAsync(GenericRoom room) {
if (!string.IsNullOrWhiteSpace(Name.Name))
await room.SendStateEventAsync(RoomNameEventContent.EventId, Name);
if (!string.IsNullOrWhiteSpace(Topic.Topic))
await room.SendStateEventAsync(RoomTopicEventContent.EventId, Topic);
if (!string.IsNullOrWhiteSpace(Avatar.Url))
await room.SendStateEventAsync(RoomAvatarEventContent.EventId, Avatar);
if (!string.IsNullOrWhiteSpace(AliasLocalPart))
CanonicalAlias.Alias = $"#{AliasLocalPart}:{room.Homeserver.ServerName}";
if (!string.IsNullOrWhiteSpace(CanonicalAlias.Alias)) {
await room.Homeserver.SetRoomAliasAsync(CanonicalAlias.Alias!, room.RoomId);
await room.SendStateEventAsync(RoomCanonicalAliasEventContent.EventId, CanonicalAlias);
}
}
private async Task SetAccessAsync(GenericRoom room) {
PowerLevels.Users![room.Homeserver.WhoAmI.UserId] = OwnPowerLevel;
await room.SendStateEventAsync(RoomPowerLevelEventContent.EventId, PowerLevels);
if (!string.IsNullOrWhiteSpace(HistoryVisibility.HistoryVisibility))
await room.SendStateEventAsync(RoomHistoryVisibilityEventContent.EventId, HistoryVisibility);
if (!string.IsNullOrWhiteSpace(JoinRules.JoinRuleValue))
await room.SendStateEventAsync(RoomJoinRulesEventContent.EventId, JoinRules);
}
}
public class MatrixConstants {
public const long MaxSafeJsonInteger = 9007199254740991L; // 2^53 - 1
}
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