Refactoring

submodules/TelegramCore/Sources/TelegramEngine/Peers/RemovePeerMember.swift

@@ -0,0 +1,55 @@
+import Foundation
+import Postbox
+import SwiftSignalKit
+import TelegramApi
+import MtProtoKit
+
+import SyncCore
+
+func _internal_removePeerMember(account: Account, peerId: PeerId, memberId: PeerId) -> Signal<Void, NoError> {
+    if peerId.namespace == Namespaces.Peer.CloudChannel {
+        return _internal_updateChannelMemberBannedRights(account: account, peerId: peerId, memberId: memberId, rights: TelegramChatBannedRights(flags: [.banReadMessages], untilDate: 0))
+        |> mapToSignal { _ -> Signal<Void, NoError> in
+            return .complete()
+        }
+    }
+    
+    return account.postbox.transaction { transaction -> Signal<Void, NoError> in
+        if let peer = transaction.getPeer(peerId), let memberPeer = transaction.getPeer(memberId), let inputUser = apiInputUser(memberPeer) {
+            if let group = peer as? TelegramGroup {
+                return account.network.request(Api.functions.messages.deleteChatUser(flags: 0, chatId: group.id.id._internalGetInt32Value(), userId: inputUser))
+                |> mapError { error -> Void in
+                    return Void()
+                }
+                |> `catch` { _ -> Signal<Api.Updates, NoError> in
+                    return .complete()
+                }
+                |> mapToSignal { result -> Signal<Void, NoError> in
+                    account.stateManager.addUpdates(result)
+                    
+                    return account.postbox.transaction { transaction -> Void in
+                        transaction.updatePeerCachedData(peerIds: Set([peerId]), update: { _, cachedData -> CachedPeerData? in
+                            if let cachedData = cachedData as? CachedGroupData, let participants = cachedData.participants {
+                                var updatedParticipants = participants.participants
+                                for i in 0 ..< participants.participants.count {
+                                    if participants.participants[i].peerId == memberId {
+                                        updatedParticipants.remove(at: i)
+                                        break
+                                    }
+                                }
+                                
+                                return cachedData.withUpdatedParticipants(CachedGroupParticipants(participants: updatedParticipants, version: participants.version))
+                            } else {
+                                return cachedData
+                            }
+                        })
+                    }
+                }
+            } else {
+                return .complete()
+            }
+        } else {
+            return .complete()
+        }
+    } |> switchToLatest
+}