mirror of
https://github.com/Swiftgram/Telegram-iOS.git
synced 2025-08-19 20:21:26 +00:00
689 lines
31 KiB
Swift
689 lines
31 KiB
Swift
import Foundation
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import SwiftSignalKit
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import sqlcipher
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public protocol PeerChatState: Coding {
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func equals(other: PeerChatState) -> Bool
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}
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public final class Modifier {
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private weak var postbox: Postbox?
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private init(postbox: Postbox) {
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self.postbox = postbox
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}
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public func addMessages(messages: [StoreMessage], location: AddMessagesLocation) {
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self.postbox?.addMessages(messages, location: location)
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}
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public func addHole(messageId: MessageId) {
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self.postbox?.addHole(messageId)
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}
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public func fillHole(hole: MessageHistoryHole, fillType: HoleFillType, tagMask: MessageTags?, messages: [StoreMessage]) {
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self.postbox?.fillHole(hole, fillType: fillType, tagMask: tagMask, messages: messages)
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}
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public func replaceChatListHole(index: MessageIndex, hole: ChatListHole?) {
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self.postbox?.replaceChatListHole(index, hole: hole)
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}
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public func deleteMessages(messageIds: [MessageId]) {
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self.postbox?.deleteMessages(messageIds)
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}
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public func deleteMessagesWithGlobalIds(ids: [Int32]) {
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if let postbox = self.postbox {
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let messageIds = postbox.messageIdsForGlobalIds(ids)
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postbox.deleteMessages(messageIds)
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}
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}
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public func resetIncomingReadStates(states: [PeerId: [MessageId.Namespace: PeerReadState]]) {
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self.postbox?.resetIncomingReadStates(states)
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}
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public func applyIncomingReadMaxId(messageId: MessageId) {
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self.postbox?.applyIncomingReadMaxId(messageId)
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}
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public func validateIncomingReadState(peerId: PeerId) {
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self.postbox?.validateIncomingReadState(peerId)
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}
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public func getState() -> Coding? {
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return self.postbox?.getState()
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}
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public func setState(state: Coding) {
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self.postbox?.setState(state)
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}
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public func getPeerChatState(id: PeerId) -> PeerChatState? {
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return self.postbox?.peerChatStateTable.get(id) as? PeerChatState
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}
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public func setPeerChatState(id: PeerId, state: PeerChatState) {
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self.postbox?.peerChatStateTable.set(id, state: state)
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}
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public func getPeer(id: PeerId) -> Peer? {
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return self.postbox?.peerTable.get(id)
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}
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public func updatePeers(peers: [Peer], update: (Peer, Peer) -> Peer?) {
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self.postbox?.updatePeers(peers, update: update)
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}
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public func updateMessage(index: MessageIndex, update: Message -> StoreMessage) {
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self.postbox?.updateMessage(index, update: update)
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}
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public func filterStoredMessageIds(messageIds: Set<MessageId>) -> Set<MessageId> {
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if let postbox = self.postbox {
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return postbox.filterStoredMessageIds(messageIds)
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}
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return Set()
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}
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}
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public final class Postbox {
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private let seedConfiguration: SeedConfiguration
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private let basePath: String
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private let globalMessageIdsNamespace: MessageId.Namespace
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private let queue = Queue(name: "org.telegram.postbox.Postbox")
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private var valueBox: ValueBox!
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private var viewTracker: ViewTracker!
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private var peerPipes: [PeerId: Pipe<Peer>] = [:]
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private var currentOperationsByPeerId: [PeerId: [MessageHistoryOperation]] = [:]
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private var currentUnsentOperations: [IntermediateMessageHistoryUnsentOperation] = []
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private var currentInvalidatedReadStateOperations: [IntermediateMessageHistoryInvalidatedReadStateOperation] = []
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private var currentFilledHolesByPeerId = Set<PeerId>()
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private var currentUpdatedPeers: [PeerId: Peer] = [:]
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private var currentReplaceChatListHoles: [(MessageIndex, ChatListHole?)] = []
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private var statePipe: Pipe<Coding> = Pipe()
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private let fetchChatListHoleImpl = Promise<ChatListHole -> Signal<Void, NoError>>()
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public func setFetchChatListHole(fetch: ChatListHole -> Signal<Void, NoError>) {
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self.fetchChatListHoleImpl.set(single(fetch, NoError.self))
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}
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private let fetchMessageHistoryHoleImpl = Promise<(MessageHistoryHole, MessageTags?) -> Signal<Void, NoError>>()
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public func setFetchMessageHistoryHole(fetch: (MessageHistoryHole, MessageTags?) -> Signal<Void, NoError>) {
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self.fetchMessageHistoryHoleImpl.set(single(fetch, NoError.self))
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}
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private let sendUnsentMessageImpl = Promise<Message -> Signal<Void, NoError>>()
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public func setSendUnsentMessage(sendUnsentMessage: Message -> Signal<Void, NoError>) {
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self.sendUnsentMessageImpl.set(single(sendUnsentMessage, NoError.self))
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}
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private let validatePeerReadStateImpl = Promise<PeerId -> Signal<Void, NoError>>()
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public func setValidatePeerReadState(validatePeerReadState: PeerId -> Signal<Void, NoError>) {
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self.validatePeerReadStateImpl.set(.single(validatePeerReadState))
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}
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public let mediaBox: MediaBox
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var tables: [Table] = []
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var metadataTable: MetadataTable!
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var keychainTable: KeychainTable!
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var peerTable: PeerTable!
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var globalMessageIdsTable: GlobalMessageIdsTable!
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var messageHistoryIndexTable: MessageHistoryIndexTable!
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var messageHistoryTable: MessageHistoryTable!
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var mediaTable: MessageMediaTable!
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var mediaCleanupTable: MediaCleanupTable!
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var chatListIndexTable: ChatListIndexTable!
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var chatListTable: ChatListTable!
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var messageHistoryMetadataTable: MessageHistoryMetadataTable!
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var messageHistoryUnsentTable: MessageHistoryUnsentTable!
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var messageHistoryTagsTable: MessageHistoryTagsTable!
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var peerChatStateTable: PeerChatStateTable!
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var readStateTable: MessageHistoryReadStateTable!
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var invalidatedReadStateTable: MessageHistoryInvalidatedReadStateTable!
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public init(basePath: String, globalMessageIdsNamespace: MessageId.Namespace, seedConfiguration: SeedConfiguration) {
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self.basePath = basePath
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self.globalMessageIdsNamespace = globalMessageIdsNamespace
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self.seedConfiguration = seedConfiguration
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let _ = try? NSFileManager.defaultManager().removeItemAtPath(self.basePath + "/media")
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self.mediaBox = MediaBox(basePath: self.basePath + "/media")
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self.openDatabase()
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}
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private func debugSaveState(name: String) {
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self.queue.dispatch {
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let path = self.basePath + name
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let _ = try? NSFileManager.defaultManager().removeItemAtPath(path)
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do {
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try NSFileManager.defaultManager().copyItemAtPath(self.basePath, toPath: path)
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} catch (let e) {
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print("(Postbox debugSaveState: error \(e))")
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}
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}
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}
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private func debugRestoreState(name: String) {
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self.queue.dispatch {
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let path = self.basePath + name
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let _ = try? NSFileManager.defaultManager().removeItemAtPath(self.basePath)
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do {
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try NSFileManager.defaultManager().copyItemAtPath(path, toPath: self.basePath)
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} catch (let e) {
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print("(Postbox debugRestoreState: error \(e))")
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}
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}
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}
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private func openDatabase() {
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self.queue.dispatch {
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let startTime = CFAbsoluteTimeGetCurrent()
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do {
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try NSFileManager.defaultManager().createDirectoryAtPath(self.basePath, withIntermediateDirectories: true, attributes: nil)
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} catch _ {
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}
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//let _ = try? NSFileManager.defaultManager().removeItemAtPath(self.basePath + "/media")
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//self.debugSaveState("beforeGetDiff")
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//self.debugRestoreState("beforeGetDiff")
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//self.debugRestoreState("clean")
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self.valueBox = SqliteValueBox(basePath: self.basePath + "/db")
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self.metadataTable = MetadataTable(valueBox: self.valueBox, tableId: 0)
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let userVersion: Int32? = self.metadataTable.userVersion()
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let currentUserVersion: Int32 = 1
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if userVersion != currentUserVersion {
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self.valueBox.drop()
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self.metadataTable.setUserVersion(currentUserVersion)
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}
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self.keychainTable = KeychainTable(valueBox: self.valueBox, tableId: 1)
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self.peerTable = PeerTable(valueBox: self.valueBox, tableId: 2)
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self.globalMessageIdsTable = GlobalMessageIdsTable(valueBox: self.valueBox, tableId: 3, namespace: self.globalMessageIdsNamespace)
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self.messageHistoryMetadataTable = MessageHistoryMetadataTable(valueBox: self.valueBox, tableId: 10)
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self.messageHistoryUnsentTable = MessageHistoryUnsentTable(valueBox: self.valueBox, tableId: 11)
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self.messageHistoryTagsTable = MessageHistoryTagsTable(valueBox: self.valueBox, tableId: 12)
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self.messageHistoryIndexTable = MessageHistoryIndexTable(valueBox: self.valueBox, tableId: 4, globalMessageIdsTable: self.globalMessageIdsTable, metadataTable: self.messageHistoryMetadataTable, seedConfiguration: self.seedConfiguration)
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self.mediaCleanupTable = MediaCleanupTable(valueBox: self.valueBox, tableId: 5)
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self.mediaTable = MessageMediaTable(valueBox: self.valueBox, tableId: 6, mediaCleanupTable: self.mediaCleanupTable)
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self.readStateTable = MessageHistoryReadStateTable(valueBox: self.valueBox, tableId: 14)
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self.invalidatedReadStateTable = MessageHistoryInvalidatedReadStateTable(valueBox: self.valueBox, tableId: 15)
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self.messageHistoryTable = MessageHistoryTable(valueBox: self.valueBox, tableId: 7, messageHistoryIndexTable: self.messageHistoryIndexTable, messageMediaTable: self.mediaTable, historyMetadataTable: self.messageHistoryMetadataTable, unsentTable: self.messageHistoryUnsentTable!, tagsTable: self.messageHistoryTagsTable, readStateTable: self.readStateTable, invalidatedReadStateTable: self.invalidatedReadStateTable!)
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self.chatListIndexTable = ChatListIndexTable(valueBox: self.valueBox, tableId: 8)
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self.chatListTable = ChatListTable(valueBox: self.valueBox, tableId: 9, indexTable: self.chatListIndexTable, metadataTable: self.messageHistoryMetadataTable, seedConfiguration: self.seedConfiguration)
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self.peerChatStateTable = PeerChatStateTable(valueBox: self.valueBox, tableId: 13)
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self.tables.append(self.keychainTable)
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self.tables.append(self.peerTable)
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self.tables.append(self.globalMessageIdsTable)
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self.tables.append(self.messageHistoryMetadataTable)
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self.tables.append(self.messageHistoryIndexTable)
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self.tables.append(self.mediaCleanupTable)
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self.tables.append(self.mediaTable)
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self.tables.append(self.messageHistoryTable)
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self.tables.append(self.chatListIndexTable)
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self.tables.append(self.chatListTable)
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self.tables.append(self.peerChatStateTable)
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self.tables.append(self.readStateTable)
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self.tables.append(self.invalidatedReadStateTable)
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self.viewTracker = ViewTracker(queue: self.queue, fetchEarlierHistoryEntries: self.fetchEarlierHistoryEntries, fetchLaterHistoryEntries: self.fetchLaterHistoryEntries, fetchEarlierChatEntries: self.fetchEarlierChatEntries, fetchLaterChatEntries: self.fetchLaterChatEntries, renderMessage: self.renderIntermediateMessage, fetchChatListHole: self.fetchChatListHoleWrapper, fetchMessageHistoryHole: self.fetchMessageHistoryHoleWrapper, sendUnsentMessage: self.sendUnsentMessageWrapper, unsentMessageIndices: self.messageHistoryUnsentTable!.get(), validateReadState: self.validatePeerReadStateWrapper, invalidatedReadStatePeerIds: self.invalidatedReadStateTable!.get())
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print("(Postbox initialization took \((CFAbsoluteTimeGetCurrent() - startTime) * 1000.0) ms")
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}
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}
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private var cachedState: Coding?
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private func setState(state: Coding) {
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self.queue.dispatch {
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self.cachedState = state
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self.metadataTable.setState(state)
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self.statePipe.putNext(state)
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}
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}
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private func getState() -> Coding? {
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if let cachedState = self.cachedState {
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return cachedState
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} else {
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if let state = self.metadataTable.state() {
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self.cachedState = state
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return state
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}
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return nil
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}
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}
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public func state() -> Signal<Coding?, NoError> {
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return Signal { subscriber in
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let disposable = MetaDisposable()
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self.queue.dispatch {
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subscriber.putNext(self.getState())
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disposable.set(self.statePipe.signal().start(next: { next in
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subscriber.putNext(next)
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}))
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}
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return disposable
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}
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}
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public func keychainEntryForKey(key: String) -> NSData? {
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return self.keychainTable.get(key)
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}
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public func setKeychainEntryForKey(key: String, value: NSData) {
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self.keychainTable.set(key, value: value)
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}
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public func removeKeychainEntryForKey(key: String) {
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self.keychainTable.remove(key)
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}
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private func addMessages(messages: [StoreMessage], location: AddMessagesLocation) {
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self.messageHistoryTable.addMessages(messages, location: location, operationsByPeerId: &self.currentOperationsByPeerId, unsentMessageOperations: ¤tUnsentOperations, invalidatedReadStateOperations: &self.currentInvalidatedReadStateOperations)
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}
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private func addHole(id: MessageId) {
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self.messageHistoryTable.addHoles([id], operationsByPeerId: &self.currentOperationsByPeerId, unsentMessageOperations: ¤tUnsentOperations, invalidatedReadStateOperations: &self.currentInvalidatedReadStateOperations)
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}
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private func fillHole(hole: MessageHistoryHole, fillType: HoleFillType, tagMask: MessageTags?, messages: [StoreMessage]) {
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self.messageHistoryTable.fillHole(hole.id, fillType: fillType, tagMask: tagMask, messages: messages, operationsByPeerId: &self.currentOperationsByPeerId, unsentMessageOperations: ¤tUnsentOperations, invalidatedReadStateOperations: &self.currentInvalidatedReadStateOperations)
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self.currentFilledHolesByPeerId.insert(hole.id.peerId)
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}
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private func replaceChatListHole(index: MessageIndex, hole: ChatListHole?) {
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self.currentReplaceChatListHoles.append((index, hole))
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}
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private func deleteMessages(messageIds: [MessageId]) {
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self.messageHistoryTable.removeMessages(messageIds, operationsByPeerId: &self.currentOperationsByPeerId, unsentMessageOperations: ¤tUnsentOperations, invalidatedReadStateOperations: &self.currentInvalidatedReadStateOperations)
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}
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private func resetIncomingReadStates(states: [PeerId: [MessageId.Namespace: PeerReadState]]) {
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self.messageHistoryTable.resetIncomingReadStates(states, operationsByPeerId: &self.currentOperationsByPeerId, invalidatedReadStateOperations: &self.currentInvalidatedReadStateOperations)
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}
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private func applyIncomingReadMaxId(messageId: MessageId) {
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self.messageHistoryTable.applyIncomingReadMaxId(messageId, operationsByPeerId: &self.currentOperationsByPeerId, invalidatedReadStateOperations: &self.currentInvalidatedReadStateOperations)
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}
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private func validateIncomingReadState(peerId: PeerId) {
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self.invalidatedReadStateTable.remove(peerId, operations: &self.currentInvalidatedReadStateOperations)
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}
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private func fetchEarlierHistoryEntries(peerId: PeerId, index: MessageIndex?, count: Int, tagMask: MessageTags? = nil) -> [MutableMessageHistoryEntry] {
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let intermediateEntries: [IntermediateMessageHistoryEntry]
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if let tagMask = tagMask {
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intermediateEntries = self.messageHistoryTable.earlierEntries(tagMask, peerId: peerId, index: index, count: count)
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} else {
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intermediateEntries = self.messageHistoryTable.earlierEntries(peerId, index: index, count: count)
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}
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var entries: [MutableMessageHistoryEntry] = []
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for entry in intermediateEntries {
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switch entry {
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case let .Message(message):
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entries.append(.IntermediateMessageEntry(message))
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case let .Hole(index):
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entries.append(.HoleEntry(index))
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}
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}
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return entries
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}
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private func fetchAroundHistoryEntries(index: MessageIndex, count: Int, tagMask: MessageTags? = nil) -> (entries: [MutableMessageHistoryEntry], lower: MutableMessageHistoryEntry?, upper: MutableMessageHistoryEntry?) {
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let intermediateEntries: [IntermediateMessageHistoryEntry]
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let intermediateLower: IntermediateMessageHistoryEntry?
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let intermediateUpper: IntermediateMessageHistoryEntry?
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if let tagMask = tagMask {
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(intermediateEntries, intermediateLower, intermediateUpper) = self.messageHistoryTable.entriesAround(tagMask, index: index, count: count)
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} else {
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(intermediateEntries, intermediateLower, intermediateUpper) = self.messageHistoryTable.entriesAround(index, count: count)
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}
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var entries: [MutableMessageHistoryEntry] = []
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for entry in intermediateEntries {
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switch entry {
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case let .Message(message):
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entries.append(.IntermediateMessageEntry(message))
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case let .Hole(index):
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entries.append(.HoleEntry(index))
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}
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}
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var lower: MutableMessageHistoryEntry?
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if let intermediateLower = intermediateLower {
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switch intermediateLower {
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case let .Message(message):
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lower = .IntermediateMessageEntry(message)
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case let .Hole(index):
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lower = .HoleEntry(index)
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}
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}
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var upper: MutableMessageHistoryEntry?
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if let intermediateUpper = intermediateUpper {
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switch intermediateUpper {
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case let .Message(message):
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upper = .IntermediateMessageEntry(message)
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case let .Hole(index):
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upper = .HoleEntry(index)
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}
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}
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return (entries: entries, lower: lower, upper: upper)
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}
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private func fetchLaterHistoryEntries(peerId: PeerId, index: MessageIndex?, count: Int, tagMask: MessageTags? = nil) -> [MutableMessageHistoryEntry] {
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let intermediateEntries: [IntermediateMessageHistoryEntry]
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if let tagMask = tagMask {
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intermediateEntries = self.messageHistoryTable.laterEntries(tagMask, peerId: peerId, index: index, count: count)
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} else {
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intermediateEntries = self.messageHistoryTable.laterEntries(peerId, index: index, count: count)
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}
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var entries: [MutableMessageHistoryEntry] = []
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for entry in intermediateEntries {
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switch entry {
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case let .Message(message):
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entries.append(.IntermediateMessageEntry(message))
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case let .Hole(index):
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entries.append(.HoleEntry(index))
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}
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}
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return entries
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}
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private func fetchAroundChatEntries(index: MessageIndex, count: Int) -> (entries: [MutableChatListEntry], earlier: MutableChatListEntry?, later: MutableChatListEntry?) {
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let (intermediateEntries, intermediateLower, intermediateUpper) = self.chatListTable.entriesAround(index, messageHistoryTable: self.messageHistoryTable, count: count)
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var entries: [MutableChatListEntry] = []
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var lower: MutableChatListEntry?
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var upper: MutableChatListEntry?
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for entry in intermediateEntries {
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switch entry {
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case let .Message(message):
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entries.append(.IntermediateMessageEntry(message, self.readStateTable.getCombinedState(message.id.peerId)))
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case let .Hole(hole):
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entries.append(.HoleEntry(hole))
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case let .Nothing(index):
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entries.append(.Nothing(index))
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}
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}
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if let intermediateLower = intermediateLower {
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switch intermediateLower {
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case let .Message(message):
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lower = .IntermediateMessageEntry(message, self.readStateTable.getCombinedState(message.id.peerId))
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case let .Hole(hole):
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lower = .HoleEntry(hole)
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case let .Nothing(index):
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lower = .Nothing(index)
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}
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}
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if let intermediateUpper = intermediateUpper {
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switch intermediateUpper {
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case let .Message(message):
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upper = .IntermediateMessageEntry(message, self.readStateTable.getCombinedState(message.id.peerId))
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case let .Hole(hole):
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upper = .HoleEntry(hole)
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case let .Nothing(index):
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upper = .Nothing(index)
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}
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}
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return (entries, lower, upper)
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|
}
|
|
|
|
private func fetchEarlierChatEntries(index: MessageIndex?, count: Int) -> [MutableChatListEntry] {
|
|
let intermediateEntries = self.chatListTable.earlierEntries(index, messageHistoryTable: self.messageHistoryTable, count: count)
|
|
var entries: [MutableChatListEntry] = []
|
|
for entry in intermediateEntries {
|
|
switch entry {
|
|
case let .Message(message):
|
|
entries.append(.IntermediateMessageEntry(message, self.readStateTable.getCombinedState(message.id.peerId)))
|
|
case let .Hole(hole):
|
|
entries.append(.HoleEntry(hole))
|
|
case let .Nothing(index):
|
|
entries.append(.Nothing(index))
|
|
}
|
|
}
|
|
return entries
|
|
}
|
|
|
|
private func fetchLaterChatEntries(index: MessageIndex?, count: Int) -> [MutableChatListEntry] {
|
|
let intermediateEntries = self.chatListTable.laterEntries(index, messageHistoryTable: self.messageHistoryTable, count: count)
|
|
var entries: [MutableChatListEntry] = []
|
|
for entry in intermediateEntries {
|
|
switch entry {
|
|
case let .Message(message):
|
|
entries.append(.IntermediateMessageEntry(message, self.readStateTable.getCombinedState(message.id.peerId)))
|
|
case let .Nothing(index):
|
|
entries.append(.Nothing(index))
|
|
case let .Hole(index):
|
|
entries.append(.HoleEntry(index))
|
|
}
|
|
}
|
|
return entries
|
|
}
|
|
|
|
private func renderIntermediateMessage(message: IntermediateMessage) -> Message {
|
|
return self.messageHistoryTable.renderMessage(message, peerTable: self.peerTable)
|
|
}
|
|
|
|
private func fetchChatListHoleWrapper(hole: ChatListHole) -> Disposable {
|
|
return (self.fetchChatListHoleImpl.get() |> mapToSignal { fetch in
|
|
return fetch(hole)
|
|
}).start()
|
|
}
|
|
|
|
private func fetchMessageHistoryHoleWrapper(hole: MessageHistoryHole, tagMask: MessageTags?) -> Disposable {
|
|
return (self.fetchMessageHistoryHoleImpl.get() |> mapToSignal { fetch in
|
|
return fetch(hole, tagMask)
|
|
}).start()
|
|
}
|
|
|
|
private func sendUnsentMessageWrapper(index: MessageIndex) -> Disposable {
|
|
return (self.sendUnsentMessageImpl.get() |> deliverOn(self.queue) |> mapToSignal { send -> Signal<Void, NoError> in
|
|
if let intermediateMessage = self.messageHistoryTable.getMessage(index) {
|
|
let message = self.renderIntermediateMessage(intermediateMessage)
|
|
return send(message)
|
|
} else {
|
|
return never(Void.self, NoError.self)
|
|
}
|
|
}).start()
|
|
}
|
|
|
|
private func validatePeerReadStateWrapper(peerId: PeerId) -> Disposable {
|
|
return (self.validatePeerReadStateImpl.get() |> mapToSignal { validate -> Signal<Void, NoError> in
|
|
return validate(peerId)
|
|
}).start()
|
|
}
|
|
|
|
private func beforeCommit() {
|
|
var chatListOperations: [ChatListOperation] = []
|
|
self.chatListTable.replay(self.currentOperationsByPeerId, messageHistoryTable: self.messageHistoryTable, operations: &chatListOperations)
|
|
for (index, hole) in self.currentReplaceChatListHoles {
|
|
self.chatListTable.replaceHole(index, hole: hole, operations: &chatListOperations)
|
|
}
|
|
|
|
self.viewTracker.updateViews(currentOperationsByPeerId: self.currentOperationsByPeerId, peerIdsWithFilledHoles: self.currentFilledHolesByPeerId, chatListOperations: chatListOperations, currentUpdatedPeers: self.currentUpdatedPeers, unsentMessageOperations: self.currentUnsentOperations, invalidatedReadStateOperations: self.currentInvalidatedReadStateOperations)
|
|
|
|
self.currentOperationsByPeerId.removeAll()
|
|
self.currentFilledHolesByPeerId.removeAll()
|
|
self.currentUpdatedPeers.removeAll()
|
|
self.currentReplaceChatListHoles.removeAll()
|
|
self.currentUnsentOperations.removeAll()
|
|
self.currentInvalidatedReadStateOperations.removeAll()
|
|
|
|
for table in self.tables {
|
|
table.beforeCommit()
|
|
}
|
|
}
|
|
|
|
private func messageIdsForGlobalIds(ids: [Int32]) -> [MessageId] {
|
|
var result: [MessageId] = []
|
|
for globalId in ids {
|
|
if let id = self.globalMessageIdsTable.get(globalId) {
|
|
result.append(id)
|
|
}
|
|
}
|
|
return result
|
|
}
|
|
|
|
private func updatePeers(peers: [Peer], update: (Peer, Peer) -> Peer?) {
|
|
for peer in peers {
|
|
if let currentPeer = self.peerTable.get(peer.id) {
|
|
if let updatedPeer = update(currentPeer, peer) {
|
|
self.peerTable.set(updatedPeer)
|
|
self.currentUpdatedPeers[updatedPeer.id] = updatedPeer
|
|
}
|
|
} else {
|
|
self.peerTable.set(peer)
|
|
}
|
|
}
|
|
}
|
|
|
|
private func updateMessage(index: MessageIndex, update: Message -> StoreMessage) {
|
|
if let intermediateMessage = self.messageHistoryTable.getMessage(index) {
|
|
let message = self.renderIntermediateMessage(intermediateMessage)
|
|
self.messageHistoryTable.updateMessage(index.id, message: update(message), operationsByPeerId: &self.currentOperationsByPeerId, unsentMessageOperations: &self.currentUnsentOperations, invalidatedReadStateOperations: &self.currentInvalidatedReadStateOperations)
|
|
}
|
|
}
|
|
|
|
private func filterStoredMessageIds(messageIds: Set<MessageId>) -> Set<MessageId> {
|
|
var filteredIds = Set<MessageId>()
|
|
|
|
for id in messageIds {
|
|
if self.messageHistoryIndexTable.exists(id) {
|
|
filteredIds.insert(id)
|
|
}
|
|
}
|
|
|
|
return filteredIds
|
|
}
|
|
|
|
public func modify<T>(f: Modifier -> T) -> Signal<T, NoError> {
|
|
return Signal { subscriber in
|
|
self.queue.dispatch {
|
|
//self.valueBox.beginStats()
|
|
self.valueBox.begin()
|
|
let result = f(Modifier(postbox: self))
|
|
self.beforeCommit()
|
|
self.valueBox.commit()
|
|
|
|
subscriber.putNext(result)
|
|
subscriber.putCompletion()
|
|
}
|
|
return EmptyDisposable
|
|
}
|
|
}
|
|
|
|
public func tailMessageHistoryViewForPeerId(peerId: PeerId, count: Int, tagMask: MessageTags? = nil) -> Signal<(MessageHistoryView, ViewUpdateType), NoError> {
|
|
return self.aroundMessageHistoryViewForPeerId(peerId, index: MessageIndex.upperBound(peerId), count: count, tagMask: tagMask)
|
|
}
|
|
|
|
public func aroundMessageHistoryViewForPeerId(peerId: PeerId, index: MessageIndex, count: Int, tagMask: MessageTags? = nil) -> Signal<(MessageHistoryView, ViewUpdateType), NoError> {
|
|
return Signal { subscriber in
|
|
let disposable = MetaDisposable()
|
|
|
|
self.queue.dispatch {
|
|
let (entries, earlier, later) = self.fetchAroundHistoryEntries(index, count: count, tagMask: tagMask)
|
|
|
|
let mutableView = MutableMessageHistoryView(combinedReadState: self.readStateTable.getCombinedState(peerId), earlier: earlier, entries: entries, later: later, tagMask: tagMask, count: count)
|
|
mutableView.render(self.renderIntermediateMessage)
|
|
subscriber.putNext((MessageHistoryView(mutableView), .Generic))
|
|
|
|
let (index, signal) = self.viewTracker.addMessageHistoryView(peerId, view: mutableView)
|
|
|
|
let pipeDisposable = signal.start(next: { next in
|
|
subscriber.putNext(next)
|
|
})
|
|
|
|
disposable.set(ActionDisposable { [weak self] in
|
|
pipeDisposable.dispose()
|
|
|
|
if let strongSelf = self {
|
|
strongSelf.queue.dispatch {
|
|
strongSelf.viewTracker.removeMessageHistoryView(peerId, index: index)
|
|
}
|
|
}
|
|
return
|
|
})
|
|
}
|
|
|
|
return disposable
|
|
}
|
|
}
|
|
|
|
public func tailChatListView(count: Int) -> Signal<(ChatListView, ViewUpdateType), NoError> {
|
|
return self.aroundChatListView(MessageIndex.absoluteUpperBound(), count: count)
|
|
}
|
|
|
|
public func aroundChatListView(index: MessageIndex, count: Int) -> Signal<(ChatListView, ViewUpdateType), NoError> {
|
|
return Signal { subscriber in
|
|
let disposable = MetaDisposable()
|
|
|
|
self.queue.dispatch {
|
|
let (entries, earlier, later) = self.fetchAroundChatEntries(index, count: count)
|
|
|
|
let mutableView = MutableChatListView(earlier: earlier, entries: entries, later: later, count: count)
|
|
mutableView.render(self.renderIntermediateMessage)
|
|
subscriber.putNext((ChatListView(mutableView), .Generic))
|
|
|
|
let (index, signal) = self.viewTracker.addChatListView(mutableView)
|
|
|
|
let pipeDisposable = signal.start(next: { next in
|
|
subscriber.putNext(next)
|
|
})
|
|
|
|
disposable.set(ActionDisposable { [weak self] in
|
|
pipeDisposable.dispose()
|
|
|
|
if let strongSelf = self {
|
|
strongSelf.queue.dispatch {
|
|
strongSelf.viewTracker.removeChatListView(index)
|
|
}
|
|
}
|
|
return
|
|
})
|
|
}
|
|
|
|
return disposable
|
|
}
|
|
}
|
|
|
|
public func peerWithId(id: PeerId) -> Signal<Peer, NoError> {
|
|
return Signal { subscriber in
|
|
let disposable = MetaDisposable()
|
|
self.queue.dispatch {
|
|
if let peer: Peer = self.peerTable.get(id) {
|
|
subscriber.putNext(peer)
|
|
}
|
|
}
|
|
return disposable
|
|
}
|
|
}
|
|
}
|