Swiftgram/submodules/TelegramCore/Sources/State/ManagedCloudChatRemoveMessagesOperations.swift
2023-12-28 00:20:23 +04:00

475 lines
21 KiB
Swift

import Foundation
import Postbox
import SwiftSignalKit
import TelegramApi
import MtProtoKit
private final class ManagedCloudChatRemoveMessagesOperationsHelper {
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.CloudChatRemoveMessages, tagLocalIndex: tagLocalIndex, { entry in
if let entry = entry, let _ = entry.mergedIndex, (entry.contents is CloudChatRemoveMessagesOperation || entry.contents is CloudChatRemoveChatOperation || entry.contents is CloudChatClearHistoryOperation) {
result = entry.mergedEntry!
return PeerOperationLogEntryUpdate(mergedIndex: .none, contents: .none)
} else {
return PeerOperationLogEntryUpdate(mergedIndex: .none, contents: .none)
}
})
return f(transaction, result)
} |> switchToLatest
}
func managedCloudChatRemoveMessagesOperations(postbox: Postbox, network: Network, stateManager: AccountStateManager) -> Signal<Void, NoError> {
return Signal { _ in
let helper = Atomic<ManagedCloudChatRemoveMessagesOperationsHelper>(value: ManagedCloudChatRemoveMessagesOperationsHelper())
let disposable = postbox.mergedOperationLogView(tag: OperationLogTags.CloudChatRemoveMessages, 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? CloudChatRemoveMessagesOperation {
if let peer = transaction.getPeer(entry.peerId) {
return removeMessages(postbox: postbox, network: network, stateManager: stateManager, peer: peer, operation: operation)
} else {
return .complete()
}
} else if let operation = entry.contents as? CloudChatRemoveChatOperation {
if let peer = transaction.getPeer(entry.peerId) {
return removeChat(transaction: transaction, postbox: postbox, network: network, stateManager: stateManager, peer: peer, operation: operation)
} else {
return .complete()
}
} else if let operation = entry.contents as? CloudChatClearHistoryOperation {
if let peer = transaction.getPeer(entry.peerId) {
return _internal_clearHistory(transaction: transaction, postbox: postbox, network: network, stateManager: stateManager, peer: peer, operation: operation)
} else {
return .complete()
}
} else {
assertionFailure()
}
}
return .complete()
})
|> then(postbox.transaction { transaction -> Void in
let _ = transaction.operationLogRemoveEntry(peerId: entry.peerId, tag: OperationLogTags.CloudChatRemoveMessages, tagLocalIndex: entry.tagLocalIndex)
})
disposable.set(signal.start())
}
})
return ActionDisposable {
let disposables = helper.with { helper -> [Disposable] in
return helper.reset()
}
for disposable in disposables {
disposable.dispose()
}
disposable.dispose()
}
}
}
private func removeMessages(postbox: Postbox, network: Network, stateManager: AccountStateManager, peer: Peer, operation: CloudChatRemoveMessagesOperation) -> Signal<Void, NoError> {
var isScheduled = false
for id in operation.messageIds {
if id.namespace == Namespaces.Message.ScheduledCloud {
isScheduled = true
break
}
}
if isScheduled {
if let inputPeer = apiInputPeer(peer) {
var signal: Signal<Void, NoError> = .complete()
for s in stride(from: 0, to: operation.messageIds.count, by: 100) {
let ids = Array(operation.messageIds[s ..< min(s + 100, operation.messageIds.count)])
let partSignal = network.request(Api.functions.messages.deleteScheduledMessages(peer: inputPeer, id: ids.map { $0.id }))
|> map { result -> Api.Updates? in
return result
}
|> `catch` { _ in
return .single(nil)
}
|> mapToSignal { updates -> Signal<Void, NoError> in
if let updates = updates {
stateManager.addUpdates(updates)
}
return .complete()
}
signal = signal
|> then(partSignal)
}
return signal
} else {
return .complete()
}
} else if peer.id.namespace == Namespaces.Peer.CloudChannel {
if let inputChannel = apiInputChannel(peer) {
var signal: Signal<Void, NoError> = .complete()
for s in stride(from: 0, to: operation.messageIds.count, by: 100) {
let ids = Array(operation.messageIds[s ..< min(s + 100, operation.messageIds.count)])
let partSignal = network.request(Api.functions.channels.deleteMessages(channel: inputChannel, id: ids.map { $0.id }))
|> map { result -> Api.messages.AffectedMessages? in
return result
}
|> `catch` { _ in
return .single(nil)
}
|> mapToSignal { result -> Signal<Void, NoError> in
if let result = result {
switch result {
case let .affectedMessages(pts, ptsCount):
stateManager.addUpdateGroups([.updateChannelPts(channelId: peer.id.id._internalGetInt64Value(), pts: pts, ptsCount: ptsCount)])
}
}
return .complete()
}
signal = signal
|> then(partSignal)
}
return signal
} else {
return .complete()
}
} else {
var flags: Int32
switch operation.type {
case .forEveryone:
flags = (1 << 0)
default:
flags = 0
}
var signal: Signal<Void, NoError> = .complete()
for s in stride(from: 0, to: operation.messageIds.count, by: 100) {
let ids = Array(operation.messageIds[s ..< min(s + 100, operation.messageIds.count)])
let partSignal = network.request(Api.functions.messages.deleteMessages(flags: flags, id: ids.map { $0.id }))
|> map { result -> Api.messages.AffectedMessages? in
return result
}
|> `catch` { _ in
return .single(nil)
}
|> mapToSignal { result -> Signal<Void, NoError> in
if let result = result {
switch result {
case let .affectedMessages(pts, ptsCount):
stateManager.addUpdateGroups([.updatePts(pts: pts, ptsCount: ptsCount)])
}
}
return .complete()
}
signal = signal
|> then(partSignal)
}
return signal
}
}
private func removeChat(transaction: Transaction, postbox: Postbox, network: Network, stateManager: AccountStateManager, peer: Peer, operation: CloudChatRemoveChatOperation) -> Signal<Void, NoError> {
if peer.id.namespace == Namespaces.Peer.CloudChannel {
if let inputChannel = apiInputChannel(peer) {
let signal: Signal<Api.Updates, MTRpcError>
if operation.deleteGloballyIfPossible {
signal = network.request(Api.functions.channels.deleteChannel(channel: inputChannel))
|> `catch` { _ -> Signal<Api.Updates, MTRpcError> in
return network.request(Api.functions.channels.leaveChannel(channel: inputChannel))
}
} else {
signal = network.request(Api.functions.channels.leaveChannel(channel: inputChannel))
}
let reportSignal: Signal<Api.Bool, NoError>
if let inputPeer = apiInputPeer(peer), operation.reportChatSpam {
reportSignal = network.request(Api.functions.messages.reportSpam(peer: inputPeer))
|> `catch` { _ -> Signal<Api.Bool, NoError> in
return .single(.boolFalse)
}
} else {
reportSignal = .single(.boolTrue)
}
return combineLatest(signal
|> map { result -> Api.Updates? in
return result
}
|> `catch` { _ in
return .single(nil)
}, reportSignal)
|> mapToSignal { updates, _ in
if let updates = updates {
stateManager.addUpdates(updates)
}
return .complete()
}
} else {
return .complete()
}
} else if peer.id.namespace == Namespaces.Peer.CloudGroup {
let deleteUser: Signal<Void, NoError>
if operation.deleteGloballyIfPossible {
deleteUser = network.request(Api.functions.messages.deleteChat(chatId: peer.id.id._internalGetInt64Value()))
|> `catch` { _ in
return .single(.boolFalse)
}
|> mapToSignal { _ in
return .complete()
}
} else {
deleteUser = network.request(Api.functions.messages.deleteChatUser(flags: 0, chatId: peer.id.id._internalGetInt64Value(), userId: Api.InputUser.inputUserSelf))
|> map { result -> Api.Updates? in
return result
}
|> `catch` { _ in
return .single(nil)
}
|> mapToSignal { updates in
if let updates = updates {
stateManager.addUpdates(updates)
}
return .complete()
}
}
let reportSignal: Signal<Void, NoError>
if let inputPeer = apiInputPeer(peer), operation.reportChatSpam {
reportSignal = network.request(Api.functions.messages.reportSpam(peer: inputPeer))
|> mapToSignal { _ -> Signal<Void, MTRpcError> in
return .complete()
}
|> `catch` { _ -> Signal<Void, NoError> in
return .complete()
}
} else {
reportSignal = .complete()
}
let deleteMessages: Signal<Void, NoError>
if let inputPeer = apiInputPeer(peer), let topMessageId = operation.topMessageId ?? transaction.getTopPeerMessageId(peerId: peer.id, namespace: Namespaces.Message.Cloud) {
deleteMessages = requestClearHistory(postbox: postbox, network: network, stateManager: stateManager, inputPeer: inputPeer, maxId: topMessageId.id, justClear: false, minTimestamp: nil, maxTimestamp: nil, type: operation.deleteGloballyIfPossible ? .forEveryone : .forLocalPeer)
} else {
deleteMessages = .complete()
}
return deleteMessages
|> then(deleteUser)
|> then(reportSignal)
|> then(postbox.transaction { transaction -> Void in
_internal_clearHistory(transaction: transaction, mediaBox: postbox.mediaBox, peerId: peer.id, threadId: nil, namespaces: .all)
})
} else if peer.id.namespace == Namespaces.Peer.CloudUser {
if let inputPeer = apiInputPeer(peer) {
let reportSignal: Signal<Void, NoError>
if let inputPeer = apiInputPeer(peer), operation.reportChatSpam {
reportSignal = network.request(Api.functions.messages.reportSpam(peer: inputPeer))
|> mapToSignal { _ -> Signal<Void, MTRpcError> in
return .complete()
}
|> `catch` { _ -> Signal<Void, NoError> in
return .complete()
}
} else {
reportSignal = .complete()
}
return requestClearHistory(postbox: postbox, network: network, stateManager: stateManager, inputPeer: inputPeer, maxId: operation.topMessageId?.id ?? Int32.max - 1, justClear: false, minTimestamp: nil, maxTimestamp: nil, type: operation.deleteGloballyIfPossible ? .forEveryone : .forLocalPeer)
|> then(reportSignal)
|> then(postbox.transaction { transaction -> Void in
_internal_clearHistory(transaction: transaction, mediaBox: postbox.mediaBox, peerId: peer.id, threadId: nil, namespaces: .not(Namespaces.Message.allScheduled))
})
} else {
return .complete()
}
} else {
return .complete()
}
}
private func requestClearHistory(postbox: Postbox, network: Network, stateManager: AccountStateManager, inputPeer: Api.InputPeer, maxId: Int32, justClear: Bool, minTimestamp: Int32?, maxTimestamp: Int32?, type: CloudChatClearHistoryType) -> Signal<Void, NoError> {
var flags: Int32 = 0
if justClear {
flags |= 1 << 0
}
if case .forEveryone = type {
flags |= 1 << 1
}
var updatedMaxId = maxId
if minTimestamp != nil {
flags |= 1 << 2
updatedMaxId = 0
}
if maxTimestamp != nil {
flags |= 1 << 3
updatedMaxId = 0
}
let signal = network.request(Api.functions.messages.deleteHistory(flags: flags, peer: inputPeer, maxId: updatedMaxId, minDate: minTimestamp, maxDate: maxTimestamp))
|> map { result -> Api.messages.AffectedHistory? in
return result
}
|> `catch` { _ -> Signal<Api.messages.AffectedHistory?, Bool> in
return .fail(true)
}
|> mapToSignal { result -> Signal<Void, Bool> in
if let result = result {
switch result {
case let .affectedHistory(pts, ptsCount, offset):
stateManager.addUpdateGroups([.updatePts(pts: pts, ptsCount: ptsCount)])
if offset == 0 {
return .fail(true)
} else {
return .complete()
}
}
} else {
return .fail(true)
}
}
return (signal |> restart)
|> `catch` { _ -> Signal<Void, NoError> in
return .complete()
}
}
private func _internal_clearHistory(transaction: Transaction, postbox: Postbox, network: Network, stateManager: AccountStateManager, peer: Peer, operation: CloudChatClearHistoryOperation) -> Signal<Void, NoError> {
if peer.id.namespace == Namespaces.Peer.CloudGroup || peer.id.namespace == Namespaces.Peer.CloudUser {
if let inputPeer = apiInputPeer(peer) {
if peer.id == stateManager.accountPeerId, let threadId = operation.threadId {
guard let inputSubPeer = transaction.getPeer(PeerId(threadId)).flatMap(apiInputPeer) else {
return .complete()
}
var flags: Int32 = 0
var updatedMaxId = operation.topMessageId.id
if operation.minTimestamp != nil {
flags |= 1 << 2
updatedMaxId = 0
}
if operation.maxTimestamp != nil {
flags |= 1 << 3
updatedMaxId = 0
}
let signal = network.request(Api.functions.messages.deleteSavedHistory(flags: flags, peer: inputSubPeer, maxId: updatedMaxId, minDate: operation.minTimestamp, maxDate: operation.maxTimestamp))
|> map { result -> Api.messages.AffectedHistory? in
return result
}
|> `catch` { _ -> Signal<Api.messages.AffectedHistory?, Bool> in
return .fail(true)
}
|> mapToSignal { result -> Signal<Void, Bool> in
if let result = result {
switch result {
case let .affectedHistory(pts, ptsCount, offset):
stateManager.addUpdateGroups([.updatePts(pts: pts, ptsCount: ptsCount)])
if offset == 0 {
return .fail(true)
} else {
return .complete()
}
}
} else {
return .fail(true)
}
}
return (signal |> restart)
|> `catch` { _ -> Signal<Void, NoError> in
return .complete()
}
} else {
return requestClearHistory(postbox: postbox, network: network, stateManager: stateManager, inputPeer: inputPeer, maxId: operation.topMessageId.id, justClear: true, minTimestamp: operation.minTimestamp, maxTimestamp: operation.maxTimestamp, type: operation.type)
}
} else {
return .complete()
}
} else if peer.id.namespace == Namespaces.Peer.CloudChannel, let inputChannel = apiInputChannel(peer) {
if operation.minTimestamp != nil {
return .complete()
} else {
if let threadId = operation.threadId {
return network.request(Api.functions.channels.deleteTopicHistory(channel: inputChannel, topMsgId: Int32(clamping: threadId)))
|> map(Optional.init)
|> `catch` { _ -> Signal<Api.messages.AffectedHistory?, NoError> in
return .single(nil)
}
|> mapToSignal { result -> Signal<Void, NoError> in
if let _ = result {
}
return .complete()
}
} else {
var flags: Int32 = 0
if operation.type == .forEveryone {
flags |= 1 << 0
}
return network.request(Api.functions.channels.deleteHistory(flags: flags, channel: inputChannel, maxId: operation.topMessageId.id))
|> map(Optional.init)
|> `catch` { _ -> Signal<Api.Updates?, NoError> in
return .single(nil)
}
|> mapToSignal { updates -> Signal<Void, NoError> in
if let updates = updates {
stateManager.addUpdates(updates)
}
return .complete()
}
}
}
} else {
assertionFailure()
return .complete()
}
}