From ff6b90f4f4c688b40d94efc40e5536f123d4bb84 Mon Sep 17 00:00:00 2001
From: Peter <>
Date: Wed, 29 May 2019 21:30:03 +0200
Subject: [PATCH] Update API

---
 .../ManageChannelDiscussionGroup.swift        | 23 +++----------------
 1 file changed, 3 insertions(+), 20 deletions(-)

diff --git a/TelegramCore/ManageChannelDiscussionGroup.swift b/TelegramCore/ManageChannelDiscussionGroup.swift
index 489775f513..46a41cab32 100644
--- a/TelegramCore/ManageChannelDiscussionGroup.swift
+++ b/TelegramCore/ManageChannelDiscussionGroup.swift
@@ -35,28 +35,9 @@ public func availableGroupsForChannelDiscussion(postbox: Postbox, network: Netwo
     }
 }
 
-public func availableChannelsForGroupDiscussion(network: Network) -> Signal<[Peer], AvailableChannelDiscussionGroupError> {
-    return network.request(Api.functions.channels.getBroadcastsForDiscussion()) |> mapError { _ in
-        return .generic
-        } |> map { result in
-            let chats:[Api.Chat]
-            switch result {
-            case let .chats(c):
-                chats = c
-            case let .chatsSlice(_, c):
-                chats = c
-            }
-            
-            let peers = chats.compactMap {
-                return parseTelegramGroupOrChannel(chat: $0)
-            }
-            
-            return peers
-    }
-}
-
 public enum ChannelDiscussionGroupError {
     case generic
+    case groupHistoryIsCurrentlyPrivate
 }
 
 public func updateGroupDiscussionForChannel(network: Network, postbox: Postbox, channelId: PeerId, groupId: PeerId?) -> Signal<Bool, ChannelDiscussionGroupError> {
@@ -88,6 +69,8 @@ public func updateGroupDiscussionForChannel(network: Network, postbox: Postbox,
         |> `catch` { error -> Signal<Bool, ChannelDiscussionGroupError> in
             if error.errorDescription == "LINK_NOT_MODIFIED" {
                 return .single(true)
+            } else if error.errorDescription == "MEGAGROUP_PREHISTORY_HIDDEN" {
+                return .fail(.groupHistoryIsCurrentlyPrivate)
             }
             return .fail(.generic)
         }