53 lines
1.7 KiB
Swift
53 lines
1.7 KiB
Swift
//
|
|
// Copyright 2024 Signal Messenger, LLC
|
|
// SPDX-License-Identifier: AGPL-3.0-only
|
|
//
|
|
|
|
import Foundation
|
|
public import LibSignalClient
|
|
|
|
public indirect enum GroupUpdateSource: Equatable {
|
|
/// No source found.
|
|
case unknown
|
|
|
|
/// Source known to be the local user. The original source
|
|
/// cannot itself be localUser or unknown.
|
|
case localUser(originalSource: GroupUpdateSource)
|
|
|
|
/// Legacy update (pre-GV2) with only an e164.
|
|
case legacyE164(E164)
|
|
|
|
/// Standard case. Most updates come from an ACI.
|
|
case aci(Aci)
|
|
|
|
/// A user who was invited by PNI rejected the invite.
|
|
///
|
|
/// This case will refer to the ``GroupsProtoGroupChangeActionsDeletePendingMemberAction``,
|
|
/// when the pending member in question is identified by a PNI.
|
|
///
|
|
/// This is, at the time of writing, the only case in which the best
|
|
/// identifier we have for the group update source is a PNI.
|
|
case rejectedInviteToPni(Pni)
|
|
|
|
/// If future updates introduce additional cases in which a PNI is the
|
|
/// best/only identifier for the group update source, add them here. These
|
|
/// cases are rare exceptions to the rule, so we prefer to enumerate them so
|
|
/// as to make it easier for callers to understand exactly when they might
|
|
/// be dealing with a PNI.
|
|
|
|
public func serviceIdUnsafeForLocalUserComparison() -> ServiceId? {
|
|
switch self {
|
|
case .unknown:
|
|
return nil
|
|
case .legacyE164:
|
|
return nil
|
|
case .aci(let aci):
|
|
return aci
|
|
case .rejectedInviteToPni(let pni):
|
|
return pni
|
|
case .localUser(let originalSource):
|
|
return originalSource.serviceIdUnsafeForLocalUserComparison()
|
|
}
|
|
}
|
|
}
|