AddPeerMember: added new bot-related errors

Telegram-iOS/en.lproj/Localizable.strings

@@ -4468,3 +4468,6 @@ Any member of this group will be able to see messages in the channel.";
 "Appearance.TintAllColors" = "Tint All Colors";
 
 "Contacts.DeselectAll" = "Deselect All";
+
+"Channel.TooMuchBots" = "Sorry, there are already too many bots in this group. Please remove some of the bots you're not using first.";
+"Channel.BotDoesntSupportGroups" = "Sorry, this bot is telling us it doesn't want to be added to groups. You can't add this bot unless its developers change their mind.";

submodules/TelegramCore/TelegramCore/AddPeerMember.swift

@@ -77,6 +77,8 @@ public enum AddChannelMemberError {
     case limitExceeded
     case tooMuchJoined
     case bot(PeerId)
+    case botDoesntSupportGroups
+    case tooMuchBots
 }
 
 public func addChannelMember(account: Account, peerId: PeerId, memberId: PeerId) -> Signal<(ChannelParticipant?, RenderedChannelParticipant), AddChannelMemberError> {
@@ -106,6 +108,10 @@ public func addChannelMember(account: Account, peerId: PeerId, memberId: PeerId)
                                 return .fail(.restricted)
                             case "USER_BOT":
                                 return .fail(.bot(memberId))
+                            case "BOT_GROUPS_BLOCKED":
+                                return .fail(.botDoesntSupportGroups)
+                            case "BOTS_TOO_MUCH":
+                                return .fail(.tooMuchBots)
                             default:
                                 return .fail(.generic)
                         }

submodules/TelegramUI/TelegramUI/ChannelMembersController.swift

@@ -409,6 +409,10 @@ public func channelMembersController(context: AccountContext, peerId: PeerId) ->
                             contactsController?.dismiss()
                         })
                         return
+                    case .botDoesntSupportGroups:
+                        text = presentationData.strings.Channel_BotDoesntSupportGroups
+                    case .tooMuchBots:
+                        text = presentationData.strings.Channel_TooMuchBots
                 }
                 presentControllerImpl?(textAlertController(context: context, title: nil, text: text, actions: [TextAlertAction(type: .defaultAction, title: presentationData.strings.Common_OK, action: {})]), nil)
                 contactsController?.dismiss()