refactor and cleanup [skip ci]

submodules/Postbox/Sources/MutablePeerChatInclusionView.swift

@@ -0,0 +1,37 @@
+import Foundation
+
+final class MutablePeerChatInclusionView: MutablePostboxView {
+    private let peerId: PeerId
+    fileprivate var inclusion: Bool
+    
+    init(postbox: Postbox, peerId: PeerId) {
+        self.peerId = peerId
+        
+        self.inclusion = postbox.chatListIndexTable.get(peerId: self.peerId).includedIndex(peerId: peerId) != nil
+    }
+    
+    func replay(postbox: Postbox, transaction: PostboxTransaction) -> Bool {
+        var updated = false
+        if transaction.currentUpdatedChatListInclusions[self.peerId] != nil {
+            let inclusion = postbox.chatListIndexTable.get(peerId: self.peerId).includedIndex(peerId: self.peerId) != nil
+            if self.inclusion != inclusion {
+                self.inclusion = inclusion
+                updated = true
+            }
+        }
+        
+        return updated
+    }
+    
+    func immutableView() -> PostboxView {
+        return PeerChatInclusionView(self)
+    }
+}
+
+public final class PeerChatInclusionView: PostboxView {
+    public let inclusion: Bool
+    
+    init(_ view: MutablePeerChatInclusionView) {
+        self.inclusion = view.inclusion
+    }
+}