Swiftgram/submodules/TelegramCore/Sources/State/ManagedSynchronizePinnedChatsOperations.swift
2021-06-28 20:02:50 +04:00

274 lines
13 KiB
Swift

import Foundation
import Postbox
import SwiftSignalKit
import TelegramApi
import MtProtoKit
import SyncCore
private final class ManagedSynchronizePinnedChatsOperationsHelper {
var operationDisposables: [Int32: Disposable] = [:]
func update(_ entries: [PeerMergedOperationLogEntry]) -> (disposeOperations: [Disposable], beginOperations: [(PeerMergedOperationLogEntry, MetaDisposable)]) {
var disposeOperations: [Disposable] = []
var beginOperations: [(PeerMergedOperationLogEntry, MetaDisposable)] = []
var hasRunningOperationForPeerId = Set<PeerId>()
var validMergedIndices = Set<Int32>()
for entry in entries {
if !hasRunningOperationForPeerId.contains(entry.peerId) {
hasRunningOperationForPeerId.insert(entry.peerId)
validMergedIndices.insert(entry.mergedIndex)
if self.operationDisposables[entry.mergedIndex] == nil {
let disposable = MetaDisposable()
beginOperations.append((entry, disposable))
self.operationDisposables[entry.mergedIndex] = disposable
}
}
}
var removeMergedIndices: [Int32] = []
for (mergedIndex, disposable) in self.operationDisposables {
if !validMergedIndices.contains(mergedIndex) {
removeMergedIndices.append(mergedIndex)
disposeOperations.append(disposable)
}
}
for mergedIndex in removeMergedIndices {
self.operationDisposables.removeValue(forKey: mergedIndex)
}
return (disposeOperations, beginOperations)
}
func reset() -> [Disposable] {
let disposables = Array(self.operationDisposables.values)
self.operationDisposables.removeAll()
return disposables
}
}
private func withTakenOperation(postbox: Postbox, peerId: PeerId, tagLocalIndex: Int32, _ f: @escaping (Transaction, PeerMergedOperationLogEntry?) -> Signal<Void, NoError>) -> Signal<Void, NoError> {
return postbox.transaction { transaction -> Signal<Void, NoError> in
var result: PeerMergedOperationLogEntry?
transaction.operationLogUpdateEntry(peerId: peerId, tag: OperationLogTags.SynchronizePinnedChats, tagLocalIndex: tagLocalIndex, { entry in
if let entry = entry, let _ = entry.mergedIndex, entry.contents is SynchronizePinnedChatsOperation {
result = entry.mergedEntry!
return PeerOperationLogEntryUpdate(mergedIndex: .none, contents: .none)
} else {
return PeerOperationLogEntryUpdate(mergedIndex: .none, contents: .none)
}
})
return f(transaction, result)
} |> switchToLatest
}
func managedSynchronizePinnedChatsOperations(postbox: Postbox, network: Network, accountPeerId: PeerId, stateManager: AccountStateManager) -> Signal<Void, NoError> {
return Signal { _ in
let helper = Atomic<ManagedSynchronizePinnedChatsOperationsHelper>(value: ManagedSynchronizePinnedChatsOperationsHelper())
let disposable = postbox.mergedOperationLogView(tag: OperationLogTags.SynchronizePinnedChats, limit: 10).start(next: { view in
let (disposeOperations, beginOperations) = helper.with { helper -> (disposeOperations: [Disposable], beginOperations: [(PeerMergedOperationLogEntry, MetaDisposable)]) in
return helper.update(view.entries)
}
for disposable in disposeOperations {
disposable.dispose()
}
for (entry, disposable) in beginOperations {
let signal = withTakenOperation(postbox: postbox, peerId: entry.peerId, tagLocalIndex: entry.tagLocalIndex, { transaction, entry -> Signal<Void, NoError> in
if let entry = entry {
if let operation = entry.contents as? SynchronizePinnedChatsOperation {
return synchronizePinnedChats(transaction: transaction, postbox: postbox, network: network, accountPeerId: accountPeerId, stateManager: stateManager, groupId: PeerGroupId(rawValue: Int32(entry.peerId.id._internalGetInt64Value())), operation: operation)
} else {
assertionFailure()
}
}
return .complete()
})
|> then(postbox.transaction { transaction -> Void in
let _ = transaction.operationLogRemoveEntry(peerId: entry.peerId, tag: OperationLogTags.SynchronizePinnedChats, tagLocalIndex: entry.tagLocalIndex)
})
disposable.set((signal |> delay(2.0, queue: Queue.concurrentDefaultQueue())).start())
}
})
return ActionDisposable {
let disposables = helper.with { helper -> [Disposable] in
return helper.reset()
}
for disposable in disposables {
disposable.dispose()
}
disposable.dispose()
}
}
}
private func synchronizePinnedChats(transaction: Transaction, postbox: Postbox, network: Network, accountPeerId: PeerId, stateManager: AccountStateManager, groupId: PeerGroupId, operation: SynchronizePinnedChatsOperation) -> Signal<Void, NoError> {
let initialRemoteItemIds = operation.previousItemIds
let initialRemoteItemIdsWithoutSecretChats = initialRemoteItemIds.filter { item in
switch item {
case let .peer(peerId):
return peerId.namespace != Namespaces.Peer.SecretChat
default:
return true
}
}
let localItemIds = transaction.getPinnedItemIds(groupId: groupId)
let localItemIdsWithoutSecretChats = localItemIds.filter { item in
switch item {
case let .peer(peerId):
return peerId.namespace != Namespaces.Peer.SecretChat
default:
return true
}
}
return network.request(Api.functions.messages.getPinnedDialogs(folderId: groupId.rawValue))
|> retryRequest
|> mapToSignal { dialogs -> Signal<Void, NoError> in
var storeMessages: [StoreMessage] = []
var readStates: [PeerId: [MessageId.Namespace: PeerReadState]] = [:]
var channelStates: [PeerId: Int32] = [:]
var notificationSettings: [PeerId: PeerNotificationSettings] = [:]
var remoteItemIds: [PinnedItemId] = []
var peers: [Peer] = []
var peerPresences: [PeerId: PeerPresence] = [:]
switch dialogs {
case let .peerDialogs(dialogs, messages, chats, users, _):
for chat in chats {
if let groupOrChannel = parseTelegramGroupOrChannel(chat: chat) {
peers.append(groupOrChannel)
}
}
for user in users {
let telegramUser = TelegramUser(user: user)
peers.append(telegramUser)
if let presence = TelegramUserPresence(apiUser: user) {
peerPresences[telegramUser.id] = presence
}
}
loop: for dialog in dialogs {
let apiPeer: Api.Peer
let apiReadInboxMaxId: Int32
let apiReadOutboxMaxId: Int32
let apiTopMessage: Int32
let apiUnreadCount: Int32
let apiMarkedUnread: Bool
var apiChannelPts: Int32?
let apiNotificationSettings: Api.PeerNotifySettings
switch dialog {
case let .dialog(flags, peer, topMessage, readInboxMaxId, readOutboxMaxId, unreadCount, unreadMentionsCount, peerNotificationSettings, pts, _, _):
apiPeer = peer
apiTopMessage = topMessage
apiReadInboxMaxId = readInboxMaxId
apiReadOutboxMaxId = readOutboxMaxId
apiUnreadCount = unreadCount
apiMarkedUnread = (flags & (1 << 3)) != 0
apiNotificationSettings = peerNotificationSettings
apiChannelPts = pts
case .dialogFolder:
//assertionFailure()
continue loop
}
let peerId: PeerId = apiPeer.peerId
remoteItemIds.append(.peer(peerId))
if readStates[peerId] == nil {
readStates[peerId] = [:]
}
readStates[peerId]![Namespaces.Message.Cloud] = .idBased(maxIncomingReadId: apiReadInboxMaxId, maxOutgoingReadId: apiReadOutboxMaxId, maxKnownId: apiTopMessage, count: apiUnreadCount, markedUnread: apiMarkedUnread)
if let apiChannelPts = apiChannelPts {
channelStates[peerId] = apiChannelPts
}
notificationSettings[peerId] = TelegramPeerNotificationSettings(apiSettings: apiNotificationSettings)
}
for message in messages {
if let storeMessage = StoreMessage(apiMessage: message) {
storeMessages.append(storeMessage)
}
}
}
var resultingItemIds: [PinnedItemId]
if initialRemoteItemIds == localItemIds {
resultingItemIds = remoteItemIds
} else {
let locallyRemovedFromRemoteItemIds = Set(initialRemoteItemIdsWithoutSecretChats).subtracting(Set(localItemIdsWithoutSecretChats))
let remotelyRemovedItemIds = Set(initialRemoteItemIdsWithoutSecretChats).subtracting(Set(remoteItemIds))
resultingItemIds = localItemIds.filter { !remotelyRemovedItemIds.contains($0) }
resultingItemIds.append(contentsOf: remoteItemIds.filter { !locallyRemovedFromRemoteItemIds.contains($0) && !resultingItemIds.contains($0) })
}
return postbox.transaction { transaction -> Signal<Void, NoError> in
updatePeers(transaction: transaction, peers: peers, update: { _, updated -> Peer in
return updated
})
transaction.setPinnedItemIds(groupId: groupId, itemIds: resultingItemIds)
updatePeerPresences(transaction: transaction, accountPeerId: accountPeerId, peerPresences: peerPresences)
transaction.updateCurrentPeerNotificationSettings(notificationSettings)
var allPeersWithMessages = Set<PeerId>()
for message in storeMessages {
if !allPeersWithMessages.contains(message.id.peerId) {
allPeersWithMessages.insert(message.id.peerId)
}
}
let _ = transaction.addMessages(storeMessages, location: .UpperHistoryBlock)
transaction.resetIncomingReadStates(readStates)
for (peerId, pts) in channelStates {
if let _ = transaction.getPeerChatState(peerId) as? ChannelState {
// skip changing state
} else {
transaction.setPeerChatState(peerId, state: ChannelState(pts: pts, invalidatedPts: nil, synchronizedUntilMessageId: nil))
}
}
if remoteItemIds == resultingItemIds {
return .complete()
} else {
var inputDialogPeers: [Api.InputDialogPeer] = []
for itemId in resultingItemIds {
switch itemId {
case let .peer(peerId):
if let peer = transaction.getPeer(peerId), let inputPeer = apiInputPeer(peer) {
inputDialogPeers.append(Api.InputDialogPeer.inputDialogPeer(peer: inputPeer))
}
}
}
return network.request(Api.functions.messages.reorderPinnedDialogs(flags: 1 << 0, folderId: groupId.rawValue, order: inputDialogPeers))
|> `catch` { _ -> Signal<Api.Bool, NoError> in
return .single(Api.Bool.boolFalse)
}
|> mapToSignal { result -> Signal<Void, NoError> in
return postbox.transaction { transaction -> Void in
}
}
}
}
|> switchToLatest
}
}