mirror of
https://github.com/Swiftgram/Telegram-iOS.git
synced 2025-06-16 05:55:20 +00:00
343 lines
15 KiB
Swift
343 lines
15 KiB
Swift
import Foundation
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import ValueBox
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import Table
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import PostboxCoding
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import PostboxDataTypes
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import Buffers
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private enum MetadataPrefix: Int8 {
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case ChatListInitialized = 0
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case PeerNextMessageIdByNamespace = 2
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case NextStableMessageId = 3
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case ChatListTotalUnreadState = 4
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case NextPeerOperationLogIndex = 5
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case ChatListGroupInitialized = 6
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case GroupFeedIndexInitialized = 7
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case ShouldReindexUnreadCounts = 8
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case PeerHistoryInitialized = 9
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}
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public enum ChatListTotalUnreadStateCategory: Int32 {
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case filtered = 0
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case raw = 1
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}
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public enum ChatListTotalUnreadStateStats: Int32 {
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case messages = 0
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case chats = 1
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}
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private struct InitializedChatListKey: Hashable {
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let groupId: PeerGroupId
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}
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public final class MessageHistoryMetadataTable: Table {
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public static func tableSpec(_ id: Int32) -> ValueBoxTable {
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return ValueBoxTable(id: id, keyType: .binary, compactValuesOnCreation: true)
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}
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private let sharedPeerHistoryInitializedKey = ValueBoxKey(length: 8 + 1)
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private let sharedGroupFeedIndexInitializedKey = ValueBoxKey(length: 4 + 1)
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private let sharedChatListGroupHistoryInitializedKey = ValueBoxKey(length: 4 + 1)
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private let sharedPeerNextMessageIdByNamespaceKey = ValueBoxKey(length: 8 + 1 + 4)
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private let sharedBuffer = WriteBuffer()
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private var initializedChatList = Set<InitializedChatListKey>()
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private var initializedHistoryPeerIds = Set<PeerId>()
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private var initializedGroupFeedIndexIds = Set<PeerGroupId>()
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private var peerNextMessageIdByNamespace: [PeerId: [MessageId.Namespace: MessageId.Id]] = [:]
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private var updatedPeerNextMessageIdByNamespace: [PeerId: Set<MessageId.Namespace>] = [:]
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private var nextMessageStableId: UInt32?
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private var nextMessageStableIdUpdated = false
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private var chatListTotalUnreadState: ChatListTotalUnreadState?
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private var chatListTotalUnreadStateUpdated = false
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private var nextPeerOperationLogIndex: UInt32?
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private var nextPeerOperationLogIndexUpdated = false
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private var currentPinnedChatPeerIds: Set<PeerId>?
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private var currentPinnedChatPeerIdsUpdated = false
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private func peerHistoryInitializedKey(_ id: PeerId) -> ValueBoxKey {
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self.sharedPeerHistoryInitializedKey.setInt64(0, value: id.toInt64())
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self.sharedPeerHistoryInitializedKey.setInt8(8, value: MetadataPrefix.PeerHistoryInitialized.rawValue)
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return self.sharedPeerHistoryInitializedKey
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}
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private func groupFeedIndexInitializedKey(_ id: PeerGroupId) -> ValueBoxKey {
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self.sharedGroupFeedIndexInitializedKey.setInt32(0, value: id.rawValue)
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self.sharedGroupFeedIndexInitializedKey.setInt8(4, value: MetadataPrefix.GroupFeedIndexInitialized.rawValue)
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return self.sharedGroupFeedIndexInitializedKey
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}
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private func chatListGroupInitializedKey(_ key: InitializedChatListKey) -> ValueBoxKey {
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self.sharedChatListGroupHistoryInitializedKey.setInt32(0, value: key.groupId.rawValue)
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self.sharedChatListGroupHistoryInitializedKey.setInt8(4, value: MetadataPrefix.ChatListGroupInitialized.rawValue)
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return self.sharedChatListGroupHistoryInitializedKey
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}
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private func peerNextMessageIdByNamespaceKey(_ id: PeerId, namespace: MessageId.Namespace) -> ValueBoxKey {
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self.sharedPeerNextMessageIdByNamespaceKey.setInt64(0, value: id.toInt64())
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self.sharedPeerNextMessageIdByNamespaceKey.setInt8(8, value: MetadataPrefix.PeerNextMessageIdByNamespace.rawValue)
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self.sharedPeerNextMessageIdByNamespaceKey.setInt32(8 + 1, value: namespace)
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return self.sharedPeerNextMessageIdByNamespaceKey
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}
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private func key(_ prefix: MetadataPrefix) -> ValueBoxKey {
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let key = ValueBoxKey(length: 1)
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key.setInt8(0, value: prefix.rawValue)
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return key
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}
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public func setInitializedChatList(groupId: PeerGroupId) {
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switch groupId {
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case .root:
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self.valueBox.set(self.table, key: self.key(MetadataPrefix.ChatListInitialized), value: MemoryBuffer())
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case .group:
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self.valueBox.set(self.table, key: self.chatListGroupInitializedKey(InitializedChatListKey(groupId: groupId)), value: MemoryBuffer())
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}
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self.initializedChatList.insert(InitializedChatListKey(groupId: groupId))
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}
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public func isInitializedChatList(groupId: PeerGroupId) -> Bool {
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let key = InitializedChatListKey(groupId: groupId)
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if self.initializedChatList.contains(key) {
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return true
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} else {
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switch groupId {
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case .root:
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if self.valueBox.exists(self.table, key: self.key(MetadataPrefix.ChatListInitialized)) {
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self.initializedChatList.insert(key)
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return true
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} else {
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return false
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}
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case .group:
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if self.valueBox.exists(self.table, key: self.chatListGroupInitializedKey(key)) {
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self.initializedChatList.insert(key)
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return true
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} else {
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return false
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}
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}
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}
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}
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public func setShouldReindexUnreadCounts(value: Bool) {
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if value {
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self.valueBox.set(self.table, key: self.key(MetadataPrefix.ShouldReindexUnreadCounts), value: MemoryBuffer())
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} else {
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self.valueBox.remove(self.table, key: self.key(MetadataPrefix.ShouldReindexUnreadCounts), secure: false)
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}
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}
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public func shouldReindexUnreadCounts() -> Bool {
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if self.valueBox.exists(self.table, key: self.key(MetadataPrefix.ShouldReindexUnreadCounts)) {
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return true
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} else {
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return false
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}
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}
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public func setInitialized(_ peerId: PeerId) {
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self.initializedHistoryPeerIds.insert(peerId)
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self.sharedBuffer.reset()
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self.valueBox.set(self.table, key: self.peerHistoryInitializedKey(peerId), value: self.sharedBuffer)
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}
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public func isInitialized(_ peerId: PeerId) -> Bool {
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if self.initializedHistoryPeerIds.contains(peerId) {
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return true
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} else {
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if self.valueBox.exists(self.table, key: self.peerHistoryInitializedKey(peerId)) {
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self.initializedHistoryPeerIds.insert(peerId)
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return true
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} else {
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return false
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}
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}
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}
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public func setGroupFeedIndexInitialized(_ groupId: PeerGroupId) {
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self.initializedGroupFeedIndexIds.insert(groupId)
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self.sharedBuffer.reset()
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self.valueBox.set(self.table, key: self.groupFeedIndexInitializedKey(groupId), value: self.sharedBuffer)
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}
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public func isGroupFeedIndexInitialized(_ groupId: PeerGroupId) -> Bool {
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if self.initializedGroupFeedIndexIds.contains(groupId) {
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return true
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} else {
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if self.valueBox.exists(self.table, key: self.groupFeedIndexInitializedKey(groupId)) {
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self.initializedGroupFeedIndexIds.insert(groupId)
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return true
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} else {
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return false
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}
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}
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}
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public func getNextMessageIdAndIncrement(_ peerId: PeerId, namespace: MessageId.Namespace) -> MessageId {
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if let messageIdByNamespace = self.peerNextMessageIdByNamespace[peerId] {
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if let nextId = messageIdByNamespace[namespace] {
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self.peerNextMessageIdByNamespace[peerId]![namespace] = nextId + 1
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if updatedPeerNextMessageIdByNamespace[peerId] != nil {
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updatedPeerNextMessageIdByNamespace[peerId]!.insert(namespace)
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} else {
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updatedPeerNextMessageIdByNamespace[peerId] = Set<MessageId.Namespace>([namespace])
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}
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return MessageId(peerId: peerId, namespace: namespace, id: nextId)
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} else {
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var nextId: Int32 = 1
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if let value = self.valueBox.get(self.table, key: self.peerNextMessageIdByNamespaceKey(peerId, namespace: namespace)) {
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value.read(&nextId, offset: 0, length: 4)
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}
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self.peerNextMessageIdByNamespace[peerId]![namespace] = nextId + 1
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if updatedPeerNextMessageIdByNamespace[peerId] != nil {
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updatedPeerNextMessageIdByNamespace[peerId]!.insert(namespace)
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} else {
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updatedPeerNextMessageIdByNamespace[peerId] = Set<MessageId.Namespace>([namespace])
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}
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return MessageId(peerId: peerId, namespace: namespace, id: nextId)
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}
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} else {
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var nextId: Int32 = 1
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if let value = self.valueBox.get(self.table, key: self.peerNextMessageIdByNamespaceKey(peerId, namespace: namespace)) {
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value.read(&nextId, offset: 0, length: 4)
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}
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self.peerNextMessageIdByNamespace[peerId] = [namespace: nextId + 1]
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if updatedPeerNextMessageIdByNamespace[peerId] != nil {
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updatedPeerNextMessageIdByNamespace[peerId]!.insert(namespace)
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} else {
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updatedPeerNextMessageIdByNamespace[peerId] = Set<MessageId.Namespace>([namespace])
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}
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return MessageId(peerId: peerId, namespace: namespace, id: nextId)
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}
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}
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public func getNextStableMessageIndexId() -> UInt32 {
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if let nextId = self.nextMessageStableId {
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self.nextMessageStableId = nextId + 1
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self.nextMessageStableIdUpdated = true
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return nextId
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} else {
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if let value = self.valueBox.get(self.table, key: self.key(.NextStableMessageId)) {
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var nextId: UInt32 = 0
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value.read(&nextId, offset: 0, length: 4)
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self.nextMessageStableId = nextId + 1
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self.nextMessageStableIdUpdated = true
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return nextId
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} else {
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let nextId: UInt32 = 1
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self.nextMessageStableId = nextId + 1
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self.nextMessageStableIdUpdated = true
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return nextId
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}
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}
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}
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public func getNextPeerOperationLogIndex() -> UInt32 {
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if let nextId = self.nextPeerOperationLogIndex {
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self.nextPeerOperationLogIndex = nextId + 1
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self.nextPeerOperationLogIndexUpdated = true
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return nextId
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} else {
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if let value = self.valueBox.get(self.table, key: self.key(.NextPeerOperationLogIndex)) {
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var nextId: UInt32 = 0
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value.read(&nextId, offset: 0, length: 4)
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self.nextPeerOperationLogIndex = nextId + 1
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self.nextPeerOperationLogIndexUpdated = true
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return nextId
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} else {
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let nextId: UInt32 = 1
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self.nextPeerOperationLogIndex = nextId + 1
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self.nextPeerOperationLogIndexUpdated = true
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return nextId
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}
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}
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}
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public func getChatListTotalUnreadState() -> ChatListTotalUnreadState {
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if let cached = self.chatListTotalUnreadState {
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return cached
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} else {
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if let value = self.valueBox.get(self.table, key: self.key(.ChatListTotalUnreadState)), let state = PostboxDecoder(buffer: value).decodeObjectForKey("_", decoder: {
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ChatListTotalUnreadState(decoder: $0)
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}) as? ChatListTotalUnreadState {
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self.chatListTotalUnreadState = state
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return state
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} else {
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let state = ChatListTotalUnreadState(absoluteCounters: [:], filteredCounters: [:])
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self.chatListTotalUnreadState = state
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return state
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}
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}
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}
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public func setChatListTotalUnreadState(_ state: ChatListTotalUnreadState) {
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let current = self.getChatListTotalUnreadState()
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if current != state {
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self.chatListTotalUnreadState = state
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self.chatListTotalUnreadStateUpdated = true
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}
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}
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override public func clearMemoryCache() {
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self.initializedChatList.removeAll()
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self.initializedHistoryPeerIds.removeAll()
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self.peerNextMessageIdByNamespace.removeAll()
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self.updatedPeerNextMessageIdByNamespace.removeAll()
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self.nextMessageStableId = nil
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self.nextMessageStableIdUpdated = false
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self.chatListTotalUnreadState = nil
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self.chatListTotalUnreadStateUpdated = false
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}
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override public func beforeCommit() {
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let sharedBuffer = WriteBuffer()
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for (peerId, namespaces) in self.updatedPeerNextMessageIdByNamespace {
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for namespace in namespaces {
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if let messageIdByNamespace = self.peerNextMessageIdByNamespace[peerId], let maxId = messageIdByNamespace[namespace] {
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sharedBuffer.reset()
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var mutableMaxId = maxId
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sharedBuffer.write(&mutableMaxId, offset: 0, length: 4)
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self.valueBox.set(self.table, key: self.peerNextMessageIdByNamespaceKey(peerId, namespace: namespace), value: sharedBuffer)
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} else {
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self.valueBox.remove(self.table, key: self.peerNextMessageIdByNamespaceKey(peerId, namespace: namespace), secure: false)
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}
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}
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}
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self.updatedPeerNextMessageIdByNamespace.removeAll()
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if self.nextMessageStableIdUpdated {
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if let nextMessageStableId = self.nextMessageStableId {
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var nextId: UInt32 = nextMessageStableId
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self.valueBox.set(self.table, key: self.key(.NextStableMessageId), value: MemoryBuffer(memory: &nextId, capacity: 4, length: 4, freeWhenDone: false))
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self.nextMessageStableIdUpdated = false
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}
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}
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if self.nextPeerOperationLogIndexUpdated {
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if let nextPeerOperationLogIndex = self.nextPeerOperationLogIndex {
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var nextId: UInt32 = nextPeerOperationLogIndex
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self.valueBox.set(self.table, key: self.key(.NextPeerOperationLogIndex), value: MemoryBuffer(memory: &nextId, capacity: 4, length: 4, freeWhenDone: false))
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self.nextPeerOperationLogIndexUpdated = false
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}
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}
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if self.chatListTotalUnreadStateUpdated {
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if let state = self.chatListTotalUnreadState {
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let buffer = PostboxEncoder()
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buffer.encodeObject(state, forKey: "_")
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self.valueBox.set(self.table, key: self.key(.ChatListTotalUnreadState), value: buffer.readBufferNoCopy())
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}
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self.chatListTotalUnreadStateUpdated = false
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}
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}
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}
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