Fix voice chats in legacy groups

submodules/ChatListUI/Sources/Node/ChatListItem.swift

@@ -1424,6 +1424,12 @@ class ChatListItemNode: ItemListRevealOptionsItemNode {
                                 online = true
                             }
                             animateOnline = true
+                        } else if let group = renderedPeer.peer as? TelegramGroup {
+                            onlineIsVoiceChat = true
+                            if group.flags.contains(.hasActiveVoiceChat) && item.interaction.searchTextHighightState == nil {
+                                online = true
+                            }
+                            animateOnline = true
                         }
                     }
                     

submodules/SyncCore/Sources/TelegramGroup.swift

@@ -60,6 +60,8 @@ public struct TelegramGroupFlags: OptionSet {
     }
     
     public static let deactivated = TelegramGroupFlags(rawValue: 1 << 1)
+    public static let hasVoiceChat = TelegramGroupFlags(rawValue: 1 << 2)
+    public static let hasActiveVoiceChat = TelegramGroupFlags(rawValue: 1 << 3)
 }
 
 public struct TelegramGroupToChannelMigrationReference: Equatable {

submodules/TelegramCore/Sources/ApiGroupOrChannel.swift

@@ -51,6 +51,12 @@ func parseTelegramGroupOrChannel(chat: Api.Chat) -> Peer? {
         if (flags & (1 << 5)) != 0 {
             groupFlags.insert(.deactivated)
         }
+        if (flags & Int32(1 << 23)) != 0 {
+            groupFlags.insert(.hasVoiceChat)
+        }
+        if (flags & Int32(1 << 24)) != 0 {
+            groupFlags.insert(.hasActiveVoiceChat)
+        }
         return TelegramGroup(id: PeerId(namespace: Namespaces.Peer.CloudGroup, id: id), title: title, photo: imageRepresentationsForApiChatPhoto(photo), participantCount: Int(participantsCount), role: role, membership: left ? .Left : .Member, flags: groupFlags, defaultBannedRights: defaultBannedRights.flatMap(TelegramChatBannedRights.init(apiBannedRights:)), migrationReference: migrationReference, creationDate: date, version: Int(version))
     case let .chatEmpty(id):
         return TelegramGroup(id: PeerId(namespace: Namespaces.Peer.CloudGroup, id: id), title: "", photo: [], participantCount: 0, role: .member, membership: .Removed, flags: [], defaultBannedRights: nil, migrationReference: nil, creationDate: 0, version: 0)

submodules/TelegramCore/Sources/GroupCalls.swift

@@ -522,6 +522,15 @@ public func stopGroupCall(account: Account, peerId: PeerId, callId: Int64, acces
                     return updated
                 })
             }
+            if var peer = transaction.getPeer(peerId) as? TelegramGroup {
+                var flags = peer.flags
+                flags.remove(.hasVoiceChat)
+                flags.remove(.hasActiveVoiceChat)
+                peer = peer.updateFlags(flags: flags, version: peer.version)
+                updatePeers(transaction: transaction, peers: [peer], update: { _, updated in
+                    return updated
+                })
+            }
             
             account.stateManager.addUpdates(result)
         }

submodules/TelegramUI/Sources/PeerInfo/PeerInfoData.swift

@@ -1055,6 +1055,11 @@ func peerInfoHeaderButtons(peer: Peer?, cachedData: CachedPeerData?, isOpenedFro
         var canAddMembers = false
         var isPublic = false
         var isCreator = false
+        var hasVoiceChat = false
+        
+        if group.flags.contains(.hasVoiceChat) {
+            hasVoiceChat = true
+        }
         
         if case .creator = group.role {
             isCreator = true
@@ -1079,6 +1084,9 @@ func peerInfoHeaderButtons(peer: Peer?, cachedData: CachedPeerData?, isOpenedFro
         }
         
         result.append(.mute)
+        if hasVoiceChat {
+            result.append(.voiceChat)
+        }
         result.append(.search)
         result.append(.more)
     }

submodules/TelegramUI/Sources/PeerInfo/PeerInfoScreen.swift

@@ -3012,7 +3012,9 @@ private final class PeerInfoScreenNode: ViewControllerTracingNode, UIScrollViewD
         case .videoCall:
             self.requestCall(isVideo: true)
         case .voiceChat:
-            if let cachedData = self.data?.cachedData as? CachedChannelData, let activeCall = cachedData.activeCall {
+            if let cachedData = self.data?.cachedData as? CachedGroupData, let activeCall = cachedData.activeCall {
+                self.context.joinGroupCall(peerId: self.peerId, activeCall: activeCall)
+            } else if let cachedData = self.data?.cachedData as? CachedChannelData, let activeCall = cachedData.activeCall {
                 self.context.joinGroupCall(peerId: self.peerId, activeCall: activeCall)
             }
         case .mute:
@@ -3257,7 +3259,7 @@ private final class PeerInfoScreenNode: ViewControllerTracingNode, UIScrollViewD
                         canManageGroupCalls = true
                     }
                 }
-                if canManageGroupCalls {
+                if canManageGroupCalls, !group.flags.contains(.hasVoiceChat) {
                     items.append(ActionSheetButtonItem(title: presentationData.strings.ChannelInfo_CreateVoiceChat, color: .accent, action: { [weak self] in
                         dismissAction()