80 lines
2.9 KiB
Swift
80 lines
2.9 KiB
Swift
//
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// Copyright 2022 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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//
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import Foundation
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import LibSignalClient
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extension GroupManager {
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// Serialize group updates by group ID
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private static let groupUpdateOperationQueues = AtomicValue<[Data: SerialTaskQueue]>([:], lock: .init())
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private static func operationQueue(
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forUpdatingGroup groupModel: TSGroupModel
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) -> SerialTaskQueue {
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return groupUpdateOperationQueues.update {
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if let operationQueue = $0[groupModel.groupId] {
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return operationQueue
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}
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let operationQueue = SerialTaskQueue()
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$0[groupModel.groupId] = operationQueue
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return operationQueue
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}
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}
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private enum GenericGroupUpdateOperation {
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static func run(
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groupId: Data,
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groupSecretParamsData: Data,
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updateDescription: String,
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changesBlock: @escaping (GroupsV2OutgoingChanges) -> Void
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) async throws -> TSGroupThread {
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do {
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return try await Promise.wrapAsync {
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try await self._run(groupId: groupId, groupSecretParamsData: groupSecretParamsData, changesBlock: changesBlock)
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}.timeout(seconds: GroupManager.groupUpdateTimeoutDuration, description: updateDescription) {
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return GroupsV2Error.timeout
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}.awaitable()
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} catch {
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switch error {
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case GroupsV2Error.redundantChange:
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// From an operation perspective, this is a success!
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break
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default:
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owsFailDebug("Group update failed: \(error)")
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}
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throw error
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}
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}
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private static func _run(
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groupId: Data,
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groupSecretParamsData: Data,
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changesBlock: (GroupsV2OutgoingChanges) -> Void
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) async throws -> TSGroupThread {
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try await GroupManager.ensureLocalProfileHasCommitmentIfNecessary()
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return try await SSKEnvironment.shared.groupsV2Ref.updateGroupV2(
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groupId: groupId,
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groupSecretParams: try GroupSecretParams(contents: [UInt8](groupSecretParamsData)),
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changesBlock: changesBlock
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)
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}
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}
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public static func updateGroupV2(
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groupModel: TSGroupModelV2,
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description: String,
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changesBlock: @escaping (GroupsV2OutgoingChanges) -> Void
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) async throws -> TSGroupThread {
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return try await operationQueue(forUpdatingGroup: groupModel).enqueue {
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return try await GenericGroupUpdateOperation.run(
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groupId: groupModel.groupId,
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groupSecretParamsData: groupModel.secretParamsData,
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updateDescription: description,
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changesBlock: changesBlock
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)
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}.value
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}
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}
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