Refactor SyncCore

submodules/SyncCore/Sources/ChannelState.swift

@@ -0,0 +1,48 @@
+import Postbox
+
+public final class ChannelState: PeerChatState, Equatable, CustomStringConvertible {
+    public let pts: Int32
+    public let invalidatedPts: Int32?
+    
+    public init(pts: Int32, invalidatedPts: Int32?) {
+        self.pts = pts
+        self.invalidatedPts = invalidatedPts
+    }
+    
+    public init(decoder: PostboxDecoder) {
+        self.pts = decoder.decodeInt32ForKey("pts", orElse: 0)
+        self.invalidatedPts = decoder.decodeOptionalInt32ForKey("ipts")
+    }
+    
+    public func encode(_ encoder: PostboxEncoder) {
+        encoder.encodeInt32(self.pts, forKey: "pts")
+        if let invalidatedPts = self.invalidatedPts {
+            encoder.encodeInt32(invalidatedPts, forKey: "ipts")
+        } else {
+            encoder.encodeNil(forKey: "ipts")
+        }
+    }
+    
+    public func withUpdatedPts(_ pts: Int32) -> ChannelState {
+        return ChannelState(pts: pts, invalidatedPts: self.invalidatedPts)
+    }
+    
+    public func withUpdatedInvalidatedPts(_ invalidatedPts: Int32?) -> ChannelState {
+        return ChannelState(pts: self.pts, invalidatedPts: invalidatedPts)
+    }
+    
+    public func equals(_ other: PeerChatState) -> Bool {
+        if let other = other as? ChannelState, other == self {
+            return true
+        }
+        return false
+    }
+    
+    public var description: String {
+        return "(pts: \(self.pts))"
+    }
+
+    public static func ==(lhs: ChannelState, rhs: ChannelState) -> Bool {
+	    return lhs.pts == rhs.pts && lhs.invalidatedPts == rhs.invalidatedPts
+	}
+}