Comments update

submodules/AccountContext/Sources/ChatController.swift

@@ -11,20 +11,27 @@ import TelegramPresentationData
 import TelegramUIPreferences
 
 public final class ChatMessageItemAssociatedData: Equatable {
+    public enum ChannelDiscussionGroupStatus: Equatable {
+        case unknown
+        case known(PeerId?)
+    }
+    
     public let automaticDownloadPeerType: MediaAutoDownloadPeerType
     public let automaticDownloadNetworkType: MediaAutoDownloadNetworkType
     public let isRecentActions: Bool
     public let isScheduledMessages: Bool
     public let contactsPeerIds: Set<PeerId>
+    public let channelDiscussionGroup: ChannelDiscussionGroupStatus
     public let animatedEmojiStickers: [String: [StickerPackItem]]
     public let forcedResourceStatus: FileMediaResourceStatus?
     
-    public init(automaticDownloadPeerType: MediaAutoDownloadPeerType, automaticDownloadNetworkType: MediaAutoDownloadNetworkType, isRecentActions: Bool = false, isScheduledMessages: Bool = false, contactsPeerIds: Set<PeerId> = Set(), animatedEmojiStickers: [String: [StickerPackItem]] = [:], forcedResourceStatus: FileMediaResourceStatus? = nil) {
+    public init(automaticDownloadPeerType: MediaAutoDownloadPeerType, automaticDownloadNetworkType: MediaAutoDownloadNetworkType, isRecentActions: Bool = false, isScheduledMessages: Bool = false, contactsPeerIds: Set<PeerId> = Set(), channelDiscussionGroup: ChannelDiscussionGroupStatus = .unknown, animatedEmojiStickers: [String: [StickerPackItem]] = [:], forcedResourceStatus: FileMediaResourceStatus? = nil) {
         self.automaticDownloadPeerType = automaticDownloadPeerType
         self.automaticDownloadNetworkType = automaticDownloadNetworkType
         self.isRecentActions = isRecentActions
         self.isScheduledMessages = isScheduledMessages
         self.contactsPeerIds = contactsPeerIds
+        self.channelDiscussionGroup = channelDiscussionGroup
         self.animatedEmojiStickers = animatedEmojiStickers
         self.forcedResourceStatus = forcedResourceStatus
     }
@@ -45,6 +52,9 @@ public final class ChatMessageItemAssociatedData: Equatable {
         if lhs.contactsPeerIds != rhs.contactsPeerIds {
             return false
         }
+        if lhs.channelDiscussionGroup != rhs.channelDiscussionGroup {
+            return false
+        }
         if lhs.animatedEmojiStickers != rhs.animatedEmojiStickers {
             return false
         }

submodules/PeerInfoUI/Sources/ChannelAdminController.swift

@@ -637,7 +637,7 @@ private func channelAdminControllerEntries(presentationData: PresentationData, s
                 } else if let initialParticipant = initialParticipant, case let .creator(_, maybeAdminRights, _) = initialParticipant, let adminRights = maybeAdminRights {
                     currentRightsFlags = adminRights.rights.flags
                 } else {
-                    currentRightsFlags = accountUserRightsFlags.subtracting(.canAddAdmins)
+                    currentRightsFlags = accountUserRightsFlags.subtracting(.canAddAdmins).subtracting(.canBeAnonymous)
                 }
                 
                 var index = 0
@@ -667,7 +667,7 @@ private func channelAdminControllerEntries(presentationData: PresentationData, s
                 } else if let initialParticipant = initialParticipant, case let .member(_, _, maybeAdminRights, _, _) = initialParticipant, let adminRights = maybeAdminRights {
                     currentRightsFlags = adminRights.rights.flags
                 } else {
-                    currentRightsFlags = accountUserRightsFlags.subtracting(.canAddAdmins)
+                    currentRightsFlags = accountUserRightsFlags.subtracting(.canAddAdmins).subtracting(.canBeAnonymous)
                 }
                 
                 var index = 0

submodules/PeerInfoUI/Sources/ChannelDiscussionGroupSetupController.swift

@@ -166,7 +166,7 @@ private func channelDiscussionGroupSetupControllerEntries(presentationData: Pres
     
     var entries: [ChannelDiscussionGroupSetupControllerEntry] = []
     
-    if let linkedDiscussionPeerId = cachedData.linkedDiscussionPeerId {
+    if case let .known(maybeLinkedDiscussionPeerId) = cachedData.linkedDiscussionPeerId, let linkedDiscussionPeerId = maybeLinkedDiscussionPeerId {
         if let group = view.peers[linkedDiscussionPeerId] {
             if case .group = peer.info {
                 entries.append(.header(presentationData.theme, presentationData.strings, group.displayTitle(strings: presentationData.strings, displayOrder: presentationData.nameDisplayOrder), true, presentationData.strings.Channel_DiscussionGroup_HeaderLabel))
@@ -299,7 +299,7 @@ public func channelDiscussionGroupSetupController(context: AccountContext, peerI
                 return
             }
             
-            if groupId == cachedData.linkedDiscussionPeerId {
+            if case let .known(maybeLinkedDiscussionPeerId) = cachedData.linkedDiscussionPeerId, maybeLinkedDiscussionPeerId == groupId {
                 navigateToGroupImpl?(groupId)
                 return
             }
@@ -483,7 +483,7 @@ public func channelDiscussionGroupSetupController(context: AccountContext, peerI
             let applyPeerId: PeerId
             if case .broadcast = peer.info {
                 applyPeerId = peerId
-            } else if let linkedDiscussionPeerId = cachedData.linkedDiscussionPeerId {
+            } else if case let .known(maybeLinkedDiscussionPeerId) = cachedData.linkedDiscussionPeerId, let linkedDiscussionPeerId = maybeLinkedDiscussionPeerId {
                 applyPeerId = linkedDiscussionPeerId
             } else {
                 return

submodules/PeerInfoUI/Sources/ChannelInfoController.swift

@@ -497,7 +497,7 @@ private func channelInfoEntries(account: Account, presentationData: Presentation
             
             let discussionGroupTitle: String
             if let cachedData = view.cachedData as? CachedChannelData {
-                if let linkedDiscussionPeerId = cachedData.linkedDiscussionPeerId, let peer = view.peers[linkedDiscussionPeerId] {
+                if case let .known(maybeLinkedDiscussionPeerId) = cachedData.linkedDiscussionPeerId, let linkedDiscussionPeerId = maybeLinkedDiscussionPeerId, let peer = view.peers[linkedDiscussionPeerId] {
                     if let addressName = peer.addressName, !addressName.isEmpty {
                         discussionGroupTitle = "@\(addressName)"
                     } else {
@@ -532,7 +532,7 @@ private func channelInfoEntries(account: Account, presentationData: Presentation
             if let _ = state.editingState, let adminRights = peer.adminRights, !adminRights.isEmpty {
                 let discussionGroupTitle: String?
                 if let cachedData = view.cachedData as? CachedChannelData {
-                    if let linkedDiscussionPeerId = cachedData.linkedDiscussionPeerId, let peer = view.peers[linkedDiscussionPeerId] {
+                    if case let .known(maybeLinkedDiscussionPeerId) = cachedData.linkedDiscussionPeerId, let linkedDiscussionPeerId = maybeLinkedDiscussionPeerId, let peer = view.peers[linkedDiscussionPeerId] {
                         if let addressName = peer.addressName, !addressName.isEmpty {
                             discussionGroupTitle = "@\(addressName)"
                         } else {
@@ -951,7 +951,7 @@ public func channelInfoController(context: AccountContext, peerId: PeerId) -> Vi
                 if canEditChannel {
                     hasSomethingToEdit = true
                 } else if let adminRights = peer.adminRights, !adminRights.isEmpty {
-                    if let cachedData = view.cachedData as? CachedChannelData, let _ = cachedData.linkedDiscussionPeerId {
+                    if let cachedData = view.cachedData as? CachedChannelData, case let .known(maybeLinkedDiscussionPeerId) = cachedData.linkedDiscussionPeerId, let _ = maybeLinkedDiscussionPeerId {
                         hasSomethingToEdit = true
                     }
                 }

submodules/PeerInfoUI/Sources/GroupInfoController.swift

@@ -896,7 +896,7 @@ private func groupInfoEntries(account: Account, presentationData: PresentationDa
                 } else {
                     if cachedChannelData.flags.contains(.canChangeUsername) {
                         entries.append(GroupInfoEntry.groupTypeSetup(presentationData.theme, presentationData.strings.GroupInfo_GroupType, isPublic ? presentationData.strings.Channel_Setup_TypePublic : presentationData.strings.Channel_Setup_TypePrivate))
-                        if let linkedDiscussionPeerId = cachedChannelData.linkedDiscussionPeerId, let peer = view.peers[linkedDiscussionPeerId] {
+                        if case let .known(maybeLinkedDiscussionPeerId) = cachedChannelData.linkedDiscussionPeerId, let linkedDiscussionPeerId = maybeLinkedDiscussionPeerId, let peer = view.peers[linkedDiscussionPeerId] {
                             let peerTitle: String
                             if let addressName = peer.addressName, !addressName.isEmpty {
                                 peerTitle = "@\(addressName)"

submodules/Postbox/Sources/Postbox.swift

@@ -948,6 +948,14 @@ public final class Transaction {
         return postbox.messageHistoryTagsTable.earlierIndices(tag: tag, peerId: peerId, namespace: namespace, index: nil, includeFrom: false, count: 1000)
     }
     
+    public func getMessagesWithThreadId(peerId: PeerId, namespace: MessageId.Namespace, threadId: Int64, from: MessageIndex, includeFrom: Bool, to: MessageIndex, limit: Int) -> [Message] {
+        assert(!self.disposed)
+        guard let postbox = self.postbox else {
+            return []
+        }
+        return postbox.messageHistoryTable.fetch(peerId: peerId, namespace: namespace, tag: nil, threadId: threadId, from: from, includeFrom: includeFrom, to: to, limit: limit).map(postbox.renderIntermediateMessage(_:))
+    }
+    
     public func scanMessages(peerId: PeerId, namespace: MessageId.Namespace, tag: MessageTags, _ f: (Message) -> Bool) {
         assert(!self.disposed)
         self.postbox?.scanMessages(peerId: peerId, namespace: namespace, tag: tag, f)

submodules/SyncCore/Sources/CachedChannelData.swift

@@ -150,6 +150,11 @@ public struct PeerGeoLocation: PostboxCoding, Equatable {
 }
 
 public final class CachedChannelData: CachedPeerData {
+    public enum LinkedDiscussionPeerId: Equatable {
+        case unknown
+        case known(PeerId?)
+    }
+    
     public let isNotAccessible: Bool
     public let flags: CachedChannelFlags
     public let about: String?
@@ -161,7 +166,7 @@ public final class CachedChannelData: CachedPeerData {
     public let stickerPack: StickerPackCollectionInfo?
     public let minAvailableMessageId: MessageId?
     public let migrationReference: ChannelMigrationReference?
-    public let linkedDiscussionPeerId: PeerId?
+    public let linkedDiscussionPeerId: LinkedDiscussionPeerId
     public let peerGeoLocation: PeerGeoLocation?
     public let slowModeTimeout: Int32?
     public let slowModeValidUntilTimestamp: Int32?
@@ -190,7 +195,7 @@ public final class CachedChannelData: CachedPeerData {
         self.stickerPack = nil
         self.minAvailableMessageId = nil
         self.migrationReference = nil
-        self.linkedDiscussionPeerId = nil
+        self.linkedDiscussionPeerId = .unknown
         self.peerGeoLocation = nil
         self.slowModeTimeout = nil
         self.slowModeValidUntilTimestamp = nil
@@ -200,7 +205,7 @@ public final class CachedChannelData: CachedPeerData {
         self.photo = nil
     }
     
-    public init(isNotAccessible: Bool, flags: CachedChannelFlags, about: String?, participantsSummary: CachedChannelParticipantsSummary, exportedInvitation: ExportedInvitation?, botInfos: [CachedPeerBotInfo], peerStatusSettings: PeerStatusSettings?, pinnedMessageId: MessageId?, stickerPack: StickerPackCollectionInfo?, minAvailableMessageId: MessageId?, migrationReference: ChannelMigrationReference?, linkedDiscussionPeerId: PeerId?, peerGeoLocation: PeerGeoLocation?, slowModeTimeout: Int32?, slowModeValidUntilTimestamp: Int32?, hasScheduledMessages: Bool, statsDatacenterId: Int32, invitedBy: PeerId?, photo: TelegramMediaImage?) {
+    public init(isNotAccessible: Bool, flags: CachedChannelFlags, about: String?, participantsSummary: CachedChannelParticipantsSummary, exportedInvitation: ExportedInvitation?, botInfos: [CachedPeerBotInfo], peerStatusSettings: PeerStatusSettings?, pinnedMessageId: MessageId?, stickerPack: StickerPackCollectionInfo?, minAvailableMessageId: MessageId?, migrationReference: ChannelMigrationReference?, linkedDiscussionPeerId: LinkedDiscussionPeerId, peerGeoLocation: PeerGeoLocation?, slowModeTimeout: Int32?, slowModeValidUntilTimestamp: Int32?, hasScheduledMessages: Bool, statsDatacenterId: Int32, invitedBy: PeerId?, photo: TelegramMediaImage?) {
         self.isNotAccessible = isNotAccessible
         self.flags = flags
         self.about = about
@@ -226,8 +231,10 @@ public final class CachedChannelData: CachedPeerData {
             peerIds.insert(botInfo.peerId)
         }
         
-        if let linkedDiscussionPeerId = linkedDiscussionPeerId {
+        if case let .known(linkedDiscussionPeerIdValue) = linkedDiscussionPeerId {
-            peerIds.insert(linkedDiscussionPeerId)
+            if let linkedDiscussionPeerIdValue = linkedDiscussionPeerIdValue {
+                peerIds.insert(linkedDiscussionPeerIdValue)
+            }
         }
         
         if let invitedBy = invitedBy {
@@ -288,7 +295,7 @@ public final class CachedChannelData: CachedPeerData {
         return CachedChannelData(isNotAccessible: self.isNotAccessible, flags: self.flags, about: self.about, participantsSummary: self.participantsSummary, exportedInvitation: self.exportedInvitation, botInfos: self.botInfos, peerStatusSettings: self.peerStatusSettings, pinnedMessageId: self.pinnedMessageId, stickerPack: self.stickerPack, minAvailableMessageId: self.minAvailableMessageId, migrationReference: migrationReference, linkedDiscussionPeerId: self.linkedDiscussionPeerId, peerGeoLocation: self.peerGeoLocation, slowModeTimeout: self.slowModeTimeout, slowModeValidUntilTimestamp: self.slowModeValidUntilTimestamp, hasScheduledMessages: self.hasScheduledMessages, statsDatacenterId: self.statsDatacenterId, invitedBy: self.invitedBy, photo: self.photo)
     }
     
-    public func withUpdatedLinkedDiscussionPeerId(_ linkedDiscussionPeerId: PeerId?) -> CachedChannelData {
+    public func withUpdatedLinkedDiscussionPeerId(_ linkedDiscussionPeerId: LinkedDiscussionPeerId) -> CachedChannelData {
         return CachedChannelData(isNotAccessible: self.isNotAccessible, flags: self.flags, about: self.about, participantsSummary: self.participantsSummary, exportedInvitation: self.exportedInvitation, botInfos: self.botInfos, peerStatusSettings: self.peerStatusSettings, pinnedMessageId: self.pinnedMessageId, stickerPack: self.stickerPack, minAvailableMessageId: self.minAvailableMessageId, migrationReference: self.migrationReference, linkedDiscussionPeerId: linkedDiscussionPeerId, peerGeoLocation: self.peerGeoLocation, slowModeTimeout: self.slowModeTimeout, slowModeValidUntilTimestamp: self.slowModeValidUntilTimestamp, hasScheduledMessages: self.hasScheduledMessages, statsDatacenterId: self.statsDatacenterId, invitedBy: self.invitedBy, photo: self.photo)
     }
     
@@ -361,9 +368,13 @@ public final class CachedChannelData: CachedPeerData {
         }
         
         if let linkedDiscussionPeerId = decoder.decodeOptionalInt64ForKey("dgi") {
-            self.linkedDiscussionPeerId = PeerId(linkedDiscussionPeerId)
+            if linkedDiscussionPeerId == 0 {
+                self.linkedDiscussionPeerId = .known(nil)
+            } else {
+                self.linkedDiscussionPeerId = .known(PeerId(linkedDiscussionPeerId))
+            }
         } else {
-            self.linkedDiscussionPeerId = nil
+            self.linkedDiscussionPeerId = .unknown
         }
         
         if let peerGeoLocation = decoder.decodeObjectForKey("pgl", decoder: { PeerGeoLocation(decoder: $0) }) as? PeerGeoLocation {
@@ -385,8 +396,10 @@ public final class CachedChannelData: CachedPeerData {
             self.photo = nil
         }
         
-        if let linkedDiscussionPeerId = self.linkedDiscussionPeerId {
+        if case let .known(linkedDiscussionPeerIdValue) = self.linkedDiscussionPeerId {
-            peerIds.insert(linkedDiscussionPeerId)
+            if let linkedDiscussionPeerIdValue = linkedDiscussionPeerIdValue {
+                peerIds.insert(linkedDiscussionPeerIdValue)
+            }
         }
         
         self.peerIds = peerIds
@@ -446,10 +459,15 @@ public final class CachedChannelData: CachedPeerData {
         } else {
             encoder.encodeNil(forKey: "mr")
         }
-        if let linkedDiscussionPeerId = self.linkedDiscussionPeerId {
+        switch self.linkedDiscussionPeerId {
-            encoder.encodeInt64(linkedDiscussionPeerId.toInt64(), forKey: "dgi")
+        case .unknown:
-        } else {
             encoder.encodeNil(forKey: "dgi")
+        case let .known(value):
+            if let value = value {
+                encoder.encodeInt64(value.toInt64(), forKey: "dgi")
+            } else {
+                encoder.encodeInt64(0, forKey: "dgi")
+            }
         }
         if let peerGeoLocation = self.peerGeoLocation {
             encoder.encodeObject(peerGeoLocation, forKey: "pgl")

submodules/TelegramCore/Sources/Holes.swift

@@ -138,9 +138,49 @@ func fetchMessageHistoryHole(accountPeerId: PeerId, source: FetchMessageHistoryH
     }
     |> take(1)
     |> mapToSignal { _ -> Signal<IndexSet, NoError> in
-        return postbox.loadedPeerWithId(peerId)
+        return postbox.transaction { transaction -> (Peer?, Int32) in
-        |> take(1)
+            var hash: Int32 = 0
-        |> mapToSignal { peer in
+            switch space {
+            case .everywhere:
+                if let threadId = threadId {
+                    let offsetId: Int32
+                    let addOffset: Int32
+                    let selectedLimit = count
+                    let maxId: Int32
+                    let minId: Int32
+                    
+                    switch direction {
+                        case let .range(start, end):
+                            if start.id <= end.id {
+                                offsetId = start.id <= 1 ? 1 : (start.id - 1)
+                                addOffset = Int32(-selectedLimit)
+                                maxId = end.id
+                                minId = start.id - 1
+                            } else {
+                                offsetId = start.id == Int32.max ? start.id : (start.id + 1)
+                                addOffset = 0
+                                maxId = start.id == Int32.max ? start.id : (start.id + 1)
+                                minId = end.id
+                            }
+                        case let .aroundId(id):
+                            offsetId = id.id
+                            addOffset = Int32(-selectedLimit / 2)
+                            maxId = Int32.max
+                            minId = 1
+                    }
+                    
+                    //request = source.request(Api.functions.messages.getReplies(peer: inputPeer, msgId: threadId.id, offsetId: offsetId, addOffset: addOffset, limit: Int32(selectedLimit), maxId: maxId, minId: minId, hash: 0))
+                }
+            default:
+                break
+            }
+            
+            return (transaction.getPeer(peerId), hash)
+        }
+        |> mapToSignal { (peer, hash) -> Signal<IndexSet, NoError> in
+            guard let peer = peer else {
+                return .single(IndexSet())
+            }
             if let inputPeer = forceApiInputPeer(peer) {
                 print("fetchMessageHistoryHole for \(peer.id) \(peer.debugDisplayTitle) \(direction) space \(space)")
                 Logger.shared.log("fetchMessageHistoryHole", "fetch for \(peer.id) \(peer.debugDisplayTitle) \(direction) space \(space)")
@@ -197,7 +237,7 @@ func fetchMessageHistoryHole(accountPeerId: PeerId, source: FetchMessageHistoryH
                                     minMaxRange = 1 ... (Int32.max - 1)
                             }
                             
-                            request = source.request(Api.functions.messages.getReplies(peer: inputPeer, msgId: threadId.id, offsetId: offsetId, addOffset: addOffset, limit: Int32(selectedLimit), maxId: maxId, minId: minId, hash: 0))
+                            request = source.request(Api.functions.messages.getReplies(peer: inputPeer, msgId: threadId.id, offsetId: offsetId, addOffset: addOffset, limit: Int32(selectedLimit), maxId: maxId, minId: minId, hash: hash))
                         } else {
                             let offsetId: Int32
                             let addOffset: Int32

submodules/TelegramCore/Sources/ManageChannelDiscussionGroup.swift

@@ -72,30 +72,30 @@ public func updateGroupDiscussionForChannel(network: Network, postbox: Postbox,
         if result {
             return postbox.transaction { transaction in
                 if let channelId = channelId {
-                    var previousGroupId: PeerId?
+                    var previousGroupId: CachedChannelData.LinkedDiscussionPeerId?
                     transaction.updatePeerCachedData(peerIds: Set([channelId]), update: { (_, current) -> CachedPeerData? in
                         let current: CachedChannelData = current as? CachedChannelData ?? CachedChannelData()
                         previousGroupId = current.linkedDiscussionPeerId
-                        return current.withUpdatedLinkedDiscussionPeerId(groupId)
+                        return current.withUpdatedLinkedDiscussionPeerId(.known(groupId))
                     })
-                    if let previousGroupId = previousGroupId, previousGroupId != groupId {
+                    if case let .known(maybeValue) = previousGroupId, let value = maybeValue, value != groupId {
-                        transaction.updatePeerCachedData(peerIds: Set([previousGroupId]), update: { (_, current) -> CachedPeerData? in
+                        transaction.updatePeerCachedData(peerIds: Set([value]), update: { (_, current) -> CachedPeerData? in
                             let cachedData = (current as? CachedChannelData ?? CachedChannelData())
-                            return cachedData.withUpdatedLinkedDiscussionPeerId(nil)
+                            return cachedData.withUpdatedLinkedDiscussionPeerId(.known(nil))
                         })
                     }
                 }
                 if let groupId = groupId {
-                    var previousChannelId: PeerId?
+                    var previousChannelId: CachedChannelData.LinkedDiscussionPeerId?
                     transaction.updatePeerCachedData(peerIds: Set([groupId]), update: { (_, current) -> CachedPeerData? in
                         let current: CachedChannelData = current as? CachedChannelData ?? CachedChannelData()
                         previousChannelId = current.linkedDiscussionPeerId
-                        return current.withUpdatedLinkedDiscussionPeerId(channelId)
+                        return current.withUpdatedLinkedDiscussionPeerId(.known(channelId))
                     })
-                    if let previousChannelId = previousChannelId, previousChannelId != channelId {
+                    if case let .known(maybeValue) = previousChannelId, let value = maybeValue, value != channelId {
-                        transaction.updatePeerCachedData(peerIds: Set([previousChannelId]), update: { (_, current) -> CachedPeerData? in
+                        transaction.updatePeerCachedData(peerIds: Set([value]), update: { (_, current) -> CachedPeerData? in
                             let cachedData = (current as? CachedChannelData ?? CachedChannelData())
-                            return cachedData.withUpdatedLinkedDiscussionPeerId(nil)
+                            return cachedData.withUpdatedLinkedDiscussionPeerId(.known(nil))
                         })
                     }
                 }

submodules/TelegramCore/Sources/UpdateCachedPeerData.swift

@@ -498,7 +498,7 @@ func fetchAndUpdateCachedPeerData(accountPeerId: PeerId, peerId rawPeerId: PeerI
                                                     .withUpdatedStickerPack(stickerPack)
                                                     .withUpdatedMinAvailableMessageId(minAvailableMessageId)
                                                     .withUpdatedMigrationReference(migrationReference)
-                                                    .withUpdatedLinkedDiscussionPeerId(linkedDiscussionPeerId)
+                                                    .withUpdatedLinkedDiscussionPeerId(.known(linkedDiscussionPeerId))
                                                     .withUpdatedPeerGeoLocation(peerGeoLocation)
                                                     .withUpdatedSlowModeTimeout(slowmodeSeconds)
                                                     .withUpdatedSlowModeValidUntilTimestamp(slowmodeNextSendDate)

submodules/TelegramUI/Sources/ChatChannelSubscriberInputPanelNode.swift

@@ -182,7 +182,7 @@ final class ChatChannelSubscriberInputPanelNode: ChatInputPanelNode {
                 self.badgeBackground.image = PresentationResourcesChatList.badgeBackgroundActive(interfaceState.theme, diameter: 20.0)
             }
             
-            if previousState?.peerDiscussionId != interfaceState.peerDiscussionId {
+            /*if previousState?.peerDiscussionId != interfaceState.peerDiscussionId {
                 let signal: Signal<Int?, NoError>
                 if let peerDiscussionId = interfaceState.peerDiscussionId, let context = self.context {
                     let key = PostboxViewKey.unreadCounts(items: [.peer(peerDiscussionId)])
@@ -226,9 +226,9 @@ final class ChatChannelSubscriberInputPanelNode: ChatInputPanelNode {
                         strongSelf.badgeText.isHidden = false
                     }
                 }))
-            }
+            }*/
             
-            if let peer = interfaceState.renderedPeer?.peer, previousState?.renderedPeer?.peer == nil || !peer.isEqual(previousState!.renderedPeer!.peer!) || previousState?.theme !== interfaceState.theme || previousState?.strings !== interfaceState.strings || previousState?.peerIsMuted != interfaceState.peerIsMuted || previousState?.peerDiscussionId != interfaceState.peerDiscussionId {
+            if let peer = interfaceState.renderedPeer?.peer, previousState?.renderedPeer?.peer == nil || !peer.isEqual(previousState!.renderedPeer!.peer!) || previousState?.theme !== interfaceState.theme || previousState?.strings !== interfaceState.strings || previousState?.peerIsMuted != interfaceState.peerIsMuted /*|| previousState?.peerDiscussionId != interfaceState.peerDiscussionId*/ {
                 if let action = actionForPeer(peer: peer, isMuted: interfaceState.peerIsMuted) {
                     self.action = action
                     let (title, color) = titleAndColorForAction(action, theme: interfaceState.theme, strings: interfaceState.strings)
@@ -237,12 +237,12 @@ final class ChatChannelSubscriberInputPanelNode: ChatInputPanelNode {
                     self.action = nil
                 }
                 
-                if interfaceState.peerDiscussionId != nil {
+                /*if interfaceState.peerDiscussionId != nil {
                     self.discussButtonText.attributedText = NSAttributedString(string: interfaceState.strings.Channel_DiscussionGroup_HeaderLabel, font: Font.regular(17.0), textColor: interfaceState.theme.chat.inputPanel.panelControlAccentColor)
                     self.discussButton.isHidden = false
-                } else {
+                } else {*/
                     self.discussButton.isHidden = true
-                }
+                //}
             }
         }
         

submodules/TelegramUI/Sources/ChatController.swift

@@ -2488,7 +2488,9 @@ public final class ChatControllerImpl: TelegramBaseController, ChatController, G
                         var peerGeoLocation: PeerGeoLocation?
                         if let peer = peerView.peers[peerView.peerId] as? TelegramChannel, let cachedData = peerView.cachedData as? CachedChannelData {
                             if case .broadcast = peer.info {
-                                peerDiscussionId = cachedData.linkedDiscussionPeerId
+                                if case let .known(value) = cachedData.linkedDiscussionPeerId {
+                                    peerDiscussionId = value
+                                }
                             } else {
                                 peerGeoLocation = cachedData.peerGeoLocation
                             }
@@ -2691,7 +2693,9 @@ public final class ChatControllerImpl: TelegramBaseController, ChatController, G
                         var peerGeoLocation: PeerGeoLocation?
                         if let peer = peerView.peers[peerView.peerId] as? TelegramChannel, let cachedData = peerView.cachedData as? CachedChannelData {
                             if case .broadcast = peer.info {
-                                peerDiscussionId = cachedData.linkedDiscussionPeerId
+                                if case let .known(value) = cachedData.linkedDiscussionPeerId {
+                                    peerDiscussionId = value
+                                }
                             } else {
                                 peerGeoLocation = cachedData.peerGeoLocation
                             }
@@ -3217,7 +3221,14 @@ public final class ChatControllerImpl: TelegramBaseController, ChatController, G
             guard let strongSelf = self, let combinedInitialData = combinedInitialData else {
                 return
             }
-            if let interfaceState = combinedInitialData.initialData?.chatInterfaceState as? ChatInterfaceState {
+            if var interfaceState = combinedInitialData.initialData?.chatInterfaceState as? ChatInterfaceState {
+                switch strongSelf.chatLocation {
+                case .peer:
+                    break
+                default:
+                    interfaceState = ChatInterfaceState()
+                }
+                
                 var pinnedMessageId: MessageId?
                 var peerIsBlocked: Bool = false
                 var callsAvailable: Bool = true

submodules/TelegramUI/Sources/ChatHistoryListNode.swift

@@ -343,6 +343,7 @@ private final class ChatHistoryTransactionOpaqueState {
 private func extractAssociatedData(chatLocation: ChatLocation, view: MessageHistoryView, automaticDownloadNetworkType: MediaAutoDownloadNetworkType, animatedEmojiStickers: [String: [StickerPackItem]], isScheduledMessages: Bool) -> ChatMessageItemAssociatedData {
     var automaticMediaDownloadPeerType: MediaAutoDownloadPeerType = .channel
     var contactsPeerIds: Set<PeerId> = Set()
+    var channelDiscussionGroup: ChatMessageItemAssociatedData.ChannelDiscussionGroupStatus = .unknown
     if case let .peer(peerId) = chatLocation {
         if peerId.namespace == Namespaces.Peer.CloudUser || peerId.namespace == Namespaces.Peer.SecretChat {
             var isContact = false
@@ -367,7 +368,15 @@ private func extractAssociatedData(chatLocation: ChatLocation, view: MessageHist
                     if let channel = value as? TelegramChannel, case .group = channel.info {
                         automaticMediaDownloadPeerType = .group
                     }
-                    break
+                } else if case let .cachedPeerData(dataPeerId, cachedData) = entry, dataPeerId == peerId {
+                    if let cachedData = cachedData as? CachedChannelData {
+                        switch cachedData.linkedDiscussionPeerId {
+                        case let .known(value):
+                            channelDiscussionGroup = .known(value)
+                        case .unknown:
+                            channelDiscussionGroup = .unknown
+                        }
+                    }
                 }
             }
             if automaticMediaDownloadPeerType == .group {
@@ -379,7 +388,7 @@ private func extractAssociatedData(chatLocation: ChatLocation, view: MessageHist
             }
         }
     }
-    let associatedData = ChatMessageItemAssociatedData(automaticDownloadPeerType: automaticMediaDownloadPeerType, automaticDownloadNetworkType: automaticDownloadNetworkType, isRecentActions: false, isScheduledMessages: isScheduledMessages, contactsPeerIds: contactsPeerIds, animatedEmojiStickers: animatedEmojiStickers)
+    let associatedData = ChatMessageItemAssociatedData(automaticDownloadPeerType: automaticMediaDownloadPeerType, automaticDownloadNetworkType: automaticDownloadNetworkType, isRecentActions: false, isScheduledMessages: isScheduledMessages, contactsPeerIds: contactsPeerIds, channelDiscussionGroup: channelDiscussionGroup, animatedEmojiStickers: animatedEmojiStickers)
     return associatedData
 }
 
@@ -1051,6 +1060,10 @@ public final class ChatHistoryListNode: ListView, ChatHistoryNode {
                                 if message.id.namespace == Namespaces.Message.Cloud {
                                     messageIdsWithViewCount.append(message.id)
                                 }
+                            } else if attribute is ReplyThreadMessageAttribute {
+                                if message.id.namespace == Namespaces.Message.Cloud {
+                                    messageIdsWithViewCount.append(message.id)
+                                }
                             } else if let attribute = attribute as? ConsumableContentMessageAttribute, !attribute.consumed {
                                 hasUnconsumedContent = true
                             } else if let _ = attribute as? ContentRequiresValidationMessageAttribute {
@@ -1095,6 +1108,10 @@ public final class ChatHistoryListNode: ListView, ChatHistoryNode {
                                     if message.id.namespace == Namespaces.Message.Cloud {
                                         messageIdsWithViewCount.append(message.id)
                                     }
+                                } else if attribute is ReplyThreadMessageAttribute {
+                                    if message.id.namespace == Namespaces.Message.Cloud {
+                                        messageIdsWithViewCount.append(message.id)
+                                    }
                                 } else if let attribute = attribute as? ConsumableContentMessageAttribute, !attribute.consumed {
                                     hasUnconsumedContent = true
                                 }

submodules/TelegramUI/Sources/ChatMessageBubbleContentNode.swift

@@ -41,9 +41,14 @@ enum ChatMessageBubbleMergeStatus {
 }
 
 enum ChatMessageBubbleRelativePosition {
+    enum NeighbourType {
+        case media
+        case freeform
+    }
+    
     case None(ChatMessageBubbleMergeStatus)
     case BubbleNeighbour
-    case Neighbour(Bool)
+    case Neighbour(Bool, NeighbourType)
 }
 
 enum ChatMessageBubbleContentMosaicNeighbor {

submodules/TelegramUI/Sources/ChatMessageBubbleItemNode.swift

@@ -46,11 +46,11 @@ private func contentNodeMessagesAndClassesForItem(_ item: ChatMessageItem) -> [(
         
         inner: for media in message.media {
             if let _ = media as? TelegramMediaImage {
-                result.append((message, ChatMessageMediaBubbleContentNode.self, itemAttributes, false))
+                result.append((message, ChatMessageMediaBubbleContentNode.self, itemAttributes, true))
             } else if let file = media as? TelegramMediaFile {
                 let isVideo = file.isVideo || (file.isAnimated && file.dimensions != nil)
                 if isVideo {
-                    result.append((message, ChatMessageMediaBubbleContentNode.self, itemAttributes, false))
+                    result.append((message, ChatMessageMediaBubbleContentNode.self, itemAttributes, true))
                 } else {
                     result.append((message, ChatMessageFileBubbleContentNode.self, itemAttributes, false))
                 }
@@ -62,7 +62,7 @@ private func contentNodeMessagesAndClassesForItem(_ item: ChatMessageItem) -> [(
                     result.append((message, ChatMessageActionBubbleContentNode.self, itemAttributes, false))
                 }
             } else if let _ = media as? TelegramMediaMap {
-                result.append((message, ChatMessageMapBubbleContentNode.self, itemAttributes, false))
+                result.append((message, ChatMessageMapBubbleContentNode.self, itemAttributes, true))
             } else if let _ = media as? TelegramMediaGame {
                 skipText = true
                 result.append((message, ChatMessageGameBubbleContentNode.self, itemAttributes, false))
@@ -134,8 +134,34 @@ private func contentNodeMessagesAndClassesForItem(_ item: ChatMessageItem) -> [(
     }
     
     let firstMessage = item.content.firstMessage
-    if !isAction, let channel = firstMessage.peers[firstMessage.id.peerId] as? TelegramChannel, case let .broadcast(info) = channel.info, info.flags.contains(.hasDiscussionGroup) {
+    if !isAction {
-        result.append((firstMessage, ChatMessageCommentFooterContentNode.self, ChatMessageEntryAttributes(), true))
+        var hasDiscussion = false
+        if let channel = firstMessage.peers[firstMessage.id.peerId] as? TelegramChannel, case let .broadcast(info) = channel.info, info.flags.contains(.hasDiscussionGroup) {
+            hasDiscussion = true
+        }
+        
+        if hasDiscussion {
+            var canComment = false
+            if firstMessage.id.namespace == Namespaces.Message.Local {
+                canComment = true
+            } else {
+                for attribute in firstMessage.attributes {
+                    if let attribute = attribute as? ReplyThreadMessageAttribute, let commentsPeerId = attribute.commentsPeerId {
+                        switch item.associatedData.channelDiscussionGroup {
+                        case .unknown:
+                            canComment = true
+                        case let .known(groupId):
+                            canComment = groupId == commentsPeerId
+                        }
+                        break
+                    }
+                }
+            }
+            
+            if canComment {
+                result.append((firstMessage, ChatMessageCommentFooterContentNode.self, ChatMessageEntryAttributes(), false))
+            }
+        }
     }
     
     return result
@@ -1074,8 +1100,12 @@ class ChatMessageBubbleItemNode: ChatMessageItemView, ChatMessagePrevewItemNode
             let topPosition: ChatMessageBubbleRelativePosition
             let bottomPosition: ChatMessageBubbleRelativePosition
             
-            topPosition = .Neighbour(false)
+            if index != 0 && contentPropertiesAndPrepareLayouts[index - 1].3 {
-            bottomPosition = .Neighbour(false)
+                topPosition = .Neighbour(true, .freeform)
+            } else {
+                topPosition = .Neighbour(false, .freeform)
+            }
+            bottomPosition = .Neighbour(false, .freeform)
             
             let prepareContentPosition: ChatMessageBubblePreparePosition
             if let mosaicRange = mosaicRange, mosaicRange.contains(index) {
@@ -1208,7 +1238,7 @@ class ChatMessageBubbleItemNode: ChatMessageItemView, ChatMessagePrevewItemNode
         
         let firstNodeTopPosition: ChatMessageBubbleRelativePosition
         if displayHeader {
-            firstNodeTopPosition = .Neighbour(false)
+            firstNodeTopPosition = .Neighbour(false, .freeform)
         } else {
             firstNodeTopPosition = .None(topNodeMergeStatus)
         }
@@ -1502,7 +1532,7 @@ class ChatMessageBubbleItemNode: ChatMessageItemView, ChatMessagePrevewItemNode
                 if mosaicRange.upperBound - 1 == contentNodeCount - 1 {
                     lastMosaicBottomPosition = lastNodeTopPosition
                 } else {
-                    lastMosaicBottomPosition = .Neighbour(false)
+                    lastMosaicBottomPosition = .Neighbour(false, .freeform)
                 }
                 
                 if position.contains(.bottom), case .Neighbour = lastMosaicBottomPosition {
@@ -1567,22 +1597,22 @@ class ChatMessageBubbleItemNode: ChatMessageItemView, ChatMessagePrevewItemNode
 
                         if i == 0 {
                             topPosition = firstNodeTopPosition
+                        } else if i == contentNodeCount - 1 && i != 0 && contentPropertiesAndLayouts[i - 1].3 {
+                            topPosition = .Neighbour(true, .freeform)
                         } else {
-                            topPosition = .Neighbour(false)
+                            topPosition = .Neighbour(false, .freeform)
                         }
                         
                         if i == contentNodeCount - 1 {
                             bottomPosition = lastNodeTopPosition
-                        } else if i == contentNodeCount - 2 && contentPropertiesAndLayouts[contentNodeCount - 1].3 {
-                            bottomPosition = .Neighbour(true)
                         } else {
-                            bottomPosition = .Neighbour(false)
+                            bottomPosition = .Neighbour(false, .freeform)
                         }
                     
                         contentPosition = .linear(top: topPosition, bottom: bottomPosition)
                     case .mosaic:
                         assertionFailure()
-                        contentPosition = .linear(top: .Neighbour(false), bottom: .Neighbour(false))
+                        contentPosition = .linear(top: .Neighbour(false, .freeform), bottom: .Neighbour(false, .freeform))
                 }
                 let (contentNodeWidth, contentNodeFinalize) = contentNodeLayout(CGSize(width: maximumNodeWidth, height: CGFloat.greatestFiniteMagnitude), contentPosition)
                 #if DEBUG

submodules/TelegramUI/Sources/ChatMessageCommentFooterContentNode.swift

@@ -87,9 +87,16 @@ final class ChatMessageCommentFooterContentNode: ChatMessageBubbleContentNode {
     override func asyncLayoutContent() -> (_ item: ChatMessageBubbleContentItem, _ layoutConstants: ChatMessageItemLayoutConstants, _ preparePosition: ChatMessageBubblePreparePosition, _ messageSelection: Bool?, _ constrainedSize: CGSize) -> (ChatMessageBubbleContentProperties, CGSize?, CGFloat, (CGSize, ChatMessageBubbleContentPosition) -> (CGFloat, (CGFloat) -> (CGSize, (ListViewItemUpdateAnimation, Bool) -> Void))) {
         let textLayout = TextNode.asyncLayout(self.textNode)
         
-        return { item, layoutConstants, _, _, constrainedSize in
+        return { item, layoutConstants, preparePosition, _, constrainedSize in
             let contentProperties = ChatMessageBubbleContentProperties(hidesSimpleAuthorHeader: false, headerSpacing: 0.0, hidesBackground: .never, forceFullCorners: false, forceAlignment: .none)
             
+            let displaySeparator: Bool
+            if case let .linear(top, _) = preparePosition, case .Neighbour(true, _) = top {
+                displaySeparator = false
+            } else {
+                displaySeparator = true
+            }
+            
             return (contentProperties, nil, CGFloat.greatestFiniteMagnitude, { constrainedSize, position in
                 let incoming = item.message.effectivelyIncoming(item.context.account.peerId)
                 
@@ -132,9 +139,9 @@ final class ChatMessageCommentFooterContentNode: ChatMessageBubbleContentNode {
                 
                 var textLeftInset: CGFloat = 0.0
                 if replyPeers.isEmpty {
-                    textLeftInset = 32.0
+                    textLeftInset = 41.0
                 } else {
-                    textLeftInset = 8.0 + imageSize * min(1.0, CGFloat(replyPeers.count)) + imageSpacing * max(0.0, min(2.0, CGFloat(replyPeers.count - 1)))
+                    textLeftInset = 15.0 + imageSize * min(1.0, CGFloat(replyPeers.count)) + (imageSpacing) * max(0.0, min(2.0, CGFloat(replyPeers.count - 1)))
                 }
                 
                 let textConstrainedSize = CGSize(width: min(maxTextWidth, constrainedSize.width - horizontalInset - textLeftInset - 20.0), height: constrainedSize.height)
@@ -154,7 +161,7 @@ final class ChatMessageCommentFooterContentNode: ChatMessageBubbleContentNode {
                 var textFrame = CGRect(origin: CGPoint(x: -textInsets.left + textLeftInset, y: -textInsets.top + 5.0), size: textLayout.size)
                 var textFrameWithoutInsets = CGRect(origin: CGPoint(x: textFrame.origin.x + textInsets.left, y: textFrame.origin.y + textInsets.top), size: CGSize(width: textFrame.width - textInsets.left - textInsets.right, height: textFrame.height - textInsets.top - textInsets.bottom))
                 
-                textFrame = textFrame.offsetBy(dx: layoutConstants.text.bubbleInsets.left, dy: layoutConstants.text.bubbleInsets.top - 2.0)
+                textFrame = textFrame.offsetBy(dx: layoutConstants.text.bubbleInsets.left, dy: layoutConstants.text.bubbleInsets.top - 5.0 + UIScreenPixel)
                 textFrameWithoutInsets = textFrameWithoutInsets.offsetBy(dx: layoutConstants.text.bubbleInsets.left, dy: layoutConstants.text.bubbleInsets.top)
 
                 var suggestedBoundingWidth: CGFloat
@@ -169,7 +176,7 @@ final class ChatMessageCommentFooterContentNode: ChatMessageBubbleContentNode {
                     
                     boundingSize = textFrameWithoutInsets.size
                     boundingSize.width += layoutConstants.text.bubbleInsets.left + layoutConstants.text.bubbleInsets.right
-                    boundingSize.height = 42.0
+                    boundingSize.height = 40.0
                     
                     return (boundingSize, { [weak self] animation, synchronousLoad in
                         if let strongSelf = self {
@@ -205,23 +212,24 @@ final class ChatMessageCommentFooterContentNode: ChatMessageBubbleContentNode {
                             
                             if let iconImage = iconImage {
                                 strongSelf.iconNode.image = iconImage
-                                strongSelf.iconNode.frame = CGRect(origin: CGPoint(x: 10.0, y: 7.0), size: iconImage.size)
+                                strongSelf.iconNode.frame = CGRect(origin: CGPoint(x: 15.0, y: 6.0), size: iconImage.size)
                             }
 
                             if let arrowImage = arrowImage {
                                 strongSelf.arrowNode.image = arrowImage
-                                strongSelf.arrowNode.frame = CGRect(origin: CGPoint(x: boundingWidth - 27.0, y: 8.0), size: arrowImage.size)
+                                strongSelf.arrowNode.frame = CGRect(origin: CGPoint(x: boundingWidth - 27.0, y: 6.0), size: arrowImage.size)
                             }
 
                             strongSelf.iconNode.isHidden = !replyPeers.isEmpty
                             
-                            let avatarsFrame = CGRect(origin: CGPoint(x: 10.0, y: 5.0), size: CGSize(width: imageSize * 3.0, height: imageSize))
+                            let avatarsFrame = CGRect(origin: CGPoint(x: 13.0, y: 3.0), size: CGSize(width: imageSize * 3.0, height: imageSize))
                             strongSelf.avatarsNode.frame = avatarsFrame
                             strongSelf.avatarsNode.updateLayout(size: avatarsFrame.size)
-                            strongSelf.avatarsNode.update(context: item.context, peers: replyPeers, synchronousLoad: synchronousLoad, imageSize: imageSize, imageSpacing: imageSpacing, borderWidth: 2.0)
+                            strongSelf.avatarsNode.update(context: item.context, peers: replyPeers, synchronousLoad: synchronousLoad, imageSize: imageSize, imageSpacing: imageSpacing, borderWidth: 2.0 - UIScreenPixel)
                             
                             strongSelf.separatorNode.backgroundColor = messageTheme.polls.separator
-                            strongSelf.separatorNode.frame = CGRect(origin: CGPoint(x: 0.0, y: -1.0), size: CGSize(width: boundingWidth, height: UIScreenPixel))
+                            strongSelf.separatorNode.isHidden = !displaySeparator
+                            strongSelf.separatorNode.frame = CGRect(origin: CGPoint(x: layoutConstants.bubble.strokeInsets.left, y: -3.0), size: CGSize(width: boundingWidth - layoutConstants.bubble.strokeInsets.left - layoutConstants.bubble.strokeInsets.right, height: UIScreenPixel))
                             
                             strongSelf.buttonNode.frame = CGRect(origin: CGPoint(x: 0.0, y: 0.0), size: CGSize(width: boundingWidth, height: boundingSize.height))
                         }

submodules/TelegramUI/Sources/ChatMessageMapBubbleContentNode.swift

@@ -157,7 +157,7 @@ class ChatMessageMapBubbleContentNode: ChatMessageBubbleContentNode {
                 if activeLiveBroadcastingTimeout != nil || selectedMedia?.venue != nil {
                     var relativePosition = position
                     if case let .linear(top, _) = position {
-                        relativePosition = .linear(top: top, bottom: .Neighbour(false))
+                        relativePosition = .linear(top: top, bottom: .Neighbour(false, .freeform))
                     }
                     imageCorners = chatMessageBubbleImageContentCorners(relativeContentPosition: relativePosition, normalRadius: layoutConstants.image.defaultCornerRadius, mergedRadius: layoutConstants.image.mergedCornerRadius, mergedWithAnotherContentRadius: layoutConstants.image.contentMergedCornerRadius, layoutConstants: layoutConstants, chatPresentationData: item.presentationData)
                     

submodules/TelegramUI/Sources/ChatMessageTextBubbleContentNode.swift

@@ -143,7 +143,7 @@ class ChatMessageTextBubbleContentNode: ChatMessageBubbleContentNode {
                     case let .linear(_, neighbor):
                         if case .None = neighbor {
                             displayStatus = true
-                        } else if case .Neighbour(true) = neighbor {
+                        } else if case .Neighbour(true, _) = neighbor {
                             displayStatus = true
                         }
                     default:

submodules/TelegramUI/Sources/PeerInfo/PeerInfoData.swift

@@ -638,7 +638,7 @@ func peerInfoScreenData(context: AccountContext, peerId: PeerId, strings: Presen
                 }
                 
                 var discussionPeer: Peer?
-                if let linkedDiscussionPeerId = (peerView.cachedData as? CachedChannelData)?.linkedDiscussionPeerId, let peer = peerView.peers[linkedDiscussionPeerId] {
+                if case let .known(maybeLinkedDiscussionPeerId) = (peerView.cachedData as? CachedChannelData)?.linkedDiscussionPeerId, let linkedDiscussionPeerId = maybeLinkedDiscussionPeerId, let peer = peerView.peers[linkedDiscussionPeerId] {
                     discussionPeer = peer
                 }
                 
@@ -767,7 +767,7 @@ func peerInfoScreenData(context: AccountContext, peerId: PeerId, strings: Presen
                 }
                 
                 var discussionPeer: Peer?
-                if let linkedDiscussionPeerId = (peerView.cachedData as? CachedChannelData)?.linkedDiscussionPeerId, let peer = peerView.peers[linkedDiscussionPeerId] {
+                if case let .known(maybeLinkedDiscussionPeerId) = (peerView.cachedData as? CachedChannelData)?.linkedDiscussionPeerId, let linkedDiscussionPeerId = maybeLinkedDiscussionPeerId, let peer = peerView.peers[linkedDiscussionPeerId] {
                     discussionPeer = peer
                 }
                 

submodules/TelegramUI/Sources/PeerInfo/PeerInfoScreen.swift

@@ -2825,7 +2825,7 @@ private final class PeerInfoScreenNode: ViewControllerTracingNode, UIScrollViewD
                 })
             }
         case .discussion:
-            if let cachedData = self.data?.cachedData as? CachedChannelData, let linkedDiscussionPeerId = cachedData.linkedDiscussionPeerId {
+            if let cachedData = self.data?.cachedData as? CachedChannelData, case let .known(maybeLinkedDiscussionPeerId) = cachedData.linkedDiscussionPeerId, let linkedDiscussionPeerId = maybeLinkedDiscussionPeerId {
                 if let navigationController = controller.navigationController as? NavigationController {
                     self.context.sharedContext.navigateToChatController(NavigateToChatControllerParams(navigationController: navigationController, context: self.context, chatLocation: .peer(linkedDiscussionPeerId)))
                 }