Swiftgram/TelegramCore/FetchChatList.swift
Peter Iakovlev bfe30a0f9c no message
2018-03-13 21:40:16 +04:00

312 lines
15 KiB
Swift

import Foundation
#if os(macOS)
import PostboxMac
import SwiftSignalKitMac
import MtProtoKitMac
#else
import Postbox
import SwiftSignalKit
import MtProtoKitDynamic
#endif
enum FetchChatListLocation {
case general
case group(PeerGroupId)
}
struct ParsedDialogs {
let itemIds: [PinnedItemId]
let peers: [Peer]
let peerPresences: [PeerId: PeerPresence]
let notificationSettings: [PeerId: PeerNotificationSettings]
let readStates: [PeerId: [MessageId.Namespace: PeerReadState]]
let mentionTagSummaries: [PeerId: MessageHistoryTagNamespaceSummary]
let chatStates: [PeerId: PeerChatState]
let storeMessages: [StoreMessage]
let lowerNonPinnedIndex: MessageIndex?
let referencedFeeds: [PeerGroupId]
}
private func extractDialogsData(dialogs: Api.messages.Dialogs) -> (apiDialogs: [Api.Dialog], apiMessages: [Api.Message], apiChats: [Api.Chat], apiUsers: [Api.User], apiIsAtLowestBoundary: Bool) {
switch dialogs {
case let .dialogs(dialogs, messages, chats, users):
return (dialogs, messages, chats, users, true)
case let .dialogsSlice(_, dialogs, messages, chats, users):
return (dialogs, messages, chats, users, false)
}
}
private func extractDialogsData(peerDialogs: Api.messages.PeerDialogs) -> (apiDialogs: [Api.Dialog], apiMessages: [Api.Message], apiChats: [Api.Chat], apiUsers: [Api.User], apiIsAtLowestBoundary: Bool) {
switch peerDialogs {
case let .peerDialogs(dialogs, messages, chats, users, _):
return (dialogs, messages, chats, users, false)
}
}
private func parseDialogs(apiDialogs: [Api.Dialog], apiMessages: [Api.Message], apiChats: [Api.Chat], apiUsers: [Api.User], apiIsAtLowestBoundary: Bool) -> ParsedDialogs {
var notificationSettings: [PeerId: PeerNotificationSettings] = [:]
var readStates: [PeerId: [MessageId.Namespace: PeerReadState]] = [:]
var mentionTagSummaries: [PeerId: MessageHistoryTagNamespaceSummary] = [:]
var chatStates: [PeerId: PeerChatState] = [:]
var storeMessages: [StoreMessage] = []
var nonPinnedDialogsTopMessageIds = Set<MessageId>()
var referencedFeeds = Set<PeerGroupId>()
var itemIds: [PinnedItemId] = []
for dialog in apiDialogs {
let apiPeer: Api.Peer
let apiReadInboxMaxId: Int32
let apiReadOutboxMaxId: Int32
let apiTopMessage: Int32
let apiUnreadCount: Int32
let apiUnreadMentionsCount: Int32
var apiChannelPts: Int32?
let apiNotificationSettings: Api.PeerNotifySettings
switch dialog {
case let .dialog(flags, peer, topMessage, readInboxMaxId, readOutboxMaxId, unreadCount, unreadMentionsCount, peerNotificationSettings, pts, _):
itemIds.append(.peer(peer.peerId))
apiPeer = peer
apiTopMessage = topMessage
apiReadInboxMaxId = readInboxMaxId
apiReadOutboxMaxId = readOutboxMaxId
apiUnreadCount = unreadCount
apiUnreadMentionsCount = unreadMentionsCount
apiNotificationSettings = peerNotificationSettings
apiChannelPts = pts
let isPinned = (flags & (1 << 2)) != 0
if !isPinned {
nonPinnedDialogsTopMessageIds.insert(MessageId(peerId: peer.peerId, namespace: Namespaces.Message.Cloud, id: topMessage))
}
let peerId: PeerId
switch apiPeer {
case let .peerUser(userId):
peerId = PeerId(namespace: Namespaces.Peer.CloudUser, id: userId)
case let .peerChat(chatId):
peerId = PeerId(namespace: Namespaces.Peer.CloudGroup, id: chatId)
case let .peerChannel(channelId):
peerId = PeerId(namespace: Namespaces.Peer.CloudChannel, id: channelId)
}
if readStates[peerId] == nil {
readStates[peerId] = [:]
}
readStates[peerId]![Namespaces.Message.Cloud] = .idBased(maxIncomingReadId: apiReadInboxMaxId, maxOutgoingReadId: apiReadOutboxMaxId, maxKnownId: apiTopMessage, count: apiUnreadCount)
if apiTopMessage != 0 {
mentionTagSummaries[peerId] = MessageHistoryTagNamespaceSummary(version: 1, count: apiUnreadMentionsCount, range: MessageHistoryTagNamespaceCountValidityRange(maxId: apiTopMessage))
}
if let apiChannelPts = apiChannelPts {
chatStates[peerId] = ChannelState(pts: apiChannelPts, invalidatedPts: nil)
}
notificationSettings[peerId] = TelegramPeerNotificationSettings(apiSettings: apiNotificationSettings)
/*feed*/
/*case let .dialogFeed(_, _, _, feedId, _, _, _, _):
itemIds.append(.group(PeerGroupId(rawValue: feedId)))
referencedFeeds.insert(PeerGroupId(rawValue: feedId))*/
}
}
var lowerNonPinnedIndex: MessageIndex?
for message in apiMessages {
if let storeMessage = StoreMessage(apiMessage: message) {
var updatedStoreMessage = storeMessage
if case let .Id(id) = storeMessage.id {
if let channelState = chatStates[id.peerId] as? ChannelState {
var updatedAttributes = storeMessage.attributes
updatedAttributes.append(ChannelMessageStateVersionAttribute(pts: channelState.pts))
updatedStoreMessage = updatedStoreMessage.withUpdatedAttributes(updatedAttributes)
}
if !apiIsAtLowestBoundary, nonPinnedDialogsTopMessageIds.contains(id) {
let index = MessageIndex(id: id, timestamp: storeMessage.timestamp)
if lowerNonPinnedIndex == nil || lowerNonPinnedIndex! > index {
lowerNonPinnedIndex = index
}
}
}
storeMessages.append(updatedStoreMessage)
}
}
var peers: [Peer] = []
var peerPresences: [PeerId: PeerPresence] = [:]
for chat in apiChats {
if let groupOrChannel = parseTelegramGroupOrChannel(chat: chat) {
peers.append(groupOrChannel)
}
}
for user in apiUsers {
let telegramUser = TelegramUser(user: user)
peers.append(telegramUser)
if let presence = TelegramUserPresence(apiUser: user) {
peerPresences[telegramUser.id] = presence
}
}
return ParsedDialogs(
itemIds: itemIds,
peers: peers,
peerPresences: peerPresences,
notificationSettings: notificationSettings,
readStates: readStates,
mentionTagSummaries: mentionTagSummaries,
chatStates: chatStates,
storeMessages: storeMessages,
lowerNonPinnedIndex: lowerNonPinnedIndex,
referencedFeeds: Array(referencedFeeds)
)
}
struct FetchedChatList {
let peers: [Peer]
let peerPresences: [PeerId: PeerPresence]
let notificationSettings: [PeerId: PeerNotificationSettings]
let readStates: [PeerId: [MessageId.Namespace: PeerReadState]]
let mentionTagSummaries: [PeerId: MessageHistoryTagNamespaceSummary]
let chatStates: [PeerId: PeerChatState]
let storeMessages: [StoreMessage]
let lowerNonPinnedIndex: MessageIndex?
let pinnedItemIds: [PinnedItemId]?
let feeds: [(PeerGroupId, MessageIndex?)]
}
func fetchChatList(postbox: Postbox, network: Network, location: FetchChatListLocation, upperBound: MessageIndex) -> Signal<FetchedChatList, NoError> {
let offset: Signal<(Int32, Int32, Api.InputPeer), NoError>
if upperBound.id.peerId.namespace == Namespaces.Peer.Empty {
offset = single((0, 0, Api.InputPeer.inputPeerEmpty), NoError.self)
} else {
offset = postbox.loadedPeerWithId(upperBound.id.peerId)
|> take(1)
|> map { peer in
return (upperBound.timestamp, upperBound.id.id + 1, apiInputPeer(peer) ?? .inputPeerEmpty)
}
}
return offset
|> mapToSignal { (timestamp, id, peer) -> Signal<FetchedChatList, NoError> in
let additionalPinnedChats: Signal<Api.messages.PeerDialogs?, NoError>
if case .general = location, case .inputPeerEmpty = peer, timestamp == 0 {
additionalPinnedChats = network.request(Api.functions.messages.getPinnedDialogs())
|> retryRequest
|> map { Optional($0) }
} else {
additionalPinnedChats = .single(nil)
}
var flags: Int32 = 0
var requestFeedId: Int32?
switch location {
case .general:
break
case let .group(groupId):
/*feed*/
/*requestFeedId = groupId.rawValue
flags |= 1 << 1*/
break
}
let requestChats = network.request(Api.functions.messages.getDialogs(flags: flags/*feed*//*, feedId: requestFeedId*/, offsetDate: timestamp, offsetId: id, offsetPeer: peer, limit: 100))
|> retryRequest
return combineLatest(requestChats, additionalPinnedChats)
|> mapToSignal { remoteChats, pinnedChats -> Signal<FetchedChatList, NoError> in
let extractedRemoteDialogs = extractDialogsData(dialogs: remoteChats)
let parsedRemoteChats = parseDialogs(apiDialogs: extractedRemoteDialogs.apiDialogs, apiMessages: extractedRemoteDialogs.apiMessages, apiChats: extractedRemoteDialogs.apiChats, apiUsers: extractedRemoteDialogs.apiUsers, apiIsAtLowestBoundary: extractedRemoteDialogs.apiIsAtLowestBoundary)
var parsedPinnedChats: ParsedDialogs?
if let pinnedChats = pinnedChats {
let extractedPinnedChats = extractDialogsData(peerDialogs: pinnedChats)
parsedPinnedChats = parseDialogs(apiDialogs: extractedPinnedChats.apiDialogs, apiMessages: extractedPinnedChats.apiMessages, apiChats: extractedPinnedChats.apiChats, apiUsers: extractedPinnedChats.apiUsers, apiIsAtLowestBoundary: extractedPinnedChats.apiIsAtLowestBoundary)
}
var combinedReferencedFeeds = Set<PeerGroupId>()
combinedReferencedFeeds.formUnion(parsedRemoteChats.referencedFeeds)
if let parsedPinnedChats = parsedPinnedChats {
combinedReferencedFeeds.formUnion(parsedPinnedChats.referencedFeeds)
}
var feedSignals: [Signal<(PeerGroupId, ParsedDialogs), NoError>] = []
if case .general = location {
/*feed*/
/*for groupId in combinedReferencedFeeds {
let flags: Int32 = 1 << 1
let requestFeed = network.request(Api.functions.messages.getDialogs(flags: flags, feedId: groupId.rawValue, offsetDate: 0, offsetId: 0, offsetPeer: .inputPeerEmpty, limit: 4))
|> retryRequest
|> map { result -> (PeerGroupId, ParsedDialogs) in
let extractedData = extractDialogsData(dialogs: result)
let parsedChats = parseDialogs(apiDialogs: extractedData.apiDialogs, apiMessages: extractedData.apiMessages, apiChats: extractedData.apiChats, apiUsers: extractedData.apiUsers, apiIsAtLowestBoundary: extractedData.apiIsAtLowestBoundary)
return (groupId, parsedChats)
}
feedSignals.append(requestFeed)
}*/
}
return combineLatest(feedSignals)
|> map { feeds -> FetchedChatList in
var peers: [Peer] = []
var peerPresences: [PeerId: PeerPresence] = [:]
var notificationSettings: [PeerId: PeerNotificationSettings] = [:]
var readStates: [PeerId: [MessageId.Namespace: PeerReadState]] = [:]
var mentionTagSummaries: [PeerId: MessageHistoryTagNamespaceSummary] = [:]
var chatStates: [PeerId: PeerChatState] = [:]
var storeMessages: [StoreMessage] = []
peers.append(contentsOf: parsedRemoteChats.peers)
peerPresences.merge(parsedRemoteChats.peerPresences, uniquingKeysWith: { _, updated in updated })
notificationSettings.merge(parsedRemoteChats.notificationSettings, uniquingKeysWith: { _, updated in updated })
readStates.merge(parsedRemoteChats.readStates, uniquingKeysWith: { _, updated in updated })
mentionTagSummaries.merge(parsedRemoteChats.mentionTagSummaries, uniquingKeysWith: { _, updated in updated })
chatStates.merge(parsedRemoteChats.chatStates, uniquingKeysWith: { _, updated in updated })
storeMessages.append(contentsOf: parsedRemoteChats.storeMessages)
if let parsedPinnedChats = parsedPinnedChats {
peers.append(contentsOf: parsedPinnedChats.peers)
peerPresences.merge(parsedPinnedChats.peerPresences, uniquingKeysWith: { _, updated in updated })
notificationSettings.merge(parsedPinnedChats.notificationSettings, uniquingKeysWith: { _, updated in updated })
readStates.merge(parsedPinnedChats.readStates, uniquingKeysWith: { _, updated in updated })
mentionTagSummaries.merge(parsedPinnedChats.mentionTagSummaries, uniquingKeysWith: { _, updated in updated })
chatStates.merge(parsedPinnedChats.chatStates, uniquingKeysWith: { _, updated in updated })
storeMessages.append(contentsOf: parsedPinnedChats.storeMessages)
}
for (_, feedChats) in feeds {
peers.append(contentsOf: feedChats.peers)
peerPresences.merge(feedChats.peerPresences, uniquingKeysWith: { _, updated in updated })
notificationSettings.merge(feedChats.notificationSettings, uniquingKeysWith: { _, updated in updated })
readStates.merge(feedChats.readStates, uniquingKeysWith: { _, updated in updated })
mentionTagSummaries.merge(feedChats.mentionTagSummaries, uniquingKeysWith: { _, updated in updated })
chatStates.merge(feedChats.chatStates, uniquingKeysWith: { _, updated in updated })
storeMessages.append(contentsOf: feedChats.storeMessages)
}
return FetchedChatList(
peers: peers,
peerPresences: peerPresences,
notificationSettings: notificationSettings,
readStates: readStates,
mentionTagSummaries: mentionTagSummaries,
chatStates: chatStates,
storeMessages: storeMessages,
lowerNonPinnedIndex: parsedRemoteChats.lowerNonPinnedIndex,
pinnedItemIds: parsedPinnedChats.flatMap { $0.itemIds },
feeds: feeds.map { ($0.0, $0.1.lowerNonPinnedIndex) }
)
}
}
}
}