Refactor SyncCore

submodules/SyncCore/Sources/OutgoingScheduleInfoMessageAttribute.swift

@@ -0,0 +1,37 @@
+import Foundation
+#if os(macOS)
+    import PostboxMac
+#else
+    import Postbox
+#endif
+
+public class OutgoingScheduleInfoMessageAttribute: MessageAttribute {
+    public let scheduleTime: Int32
+    
+    public init(scheduleTime: Int32) {
+        self.scheduleTime = scheduleTime
+    }
+    
+    required public init(decoder: PostboxDecoder) {
+        self.scheduleTime = decoder.decodeInt32ForKey("t", orElse: 0)
+    }
+    
+    public func encode(_ encoder: PostboxEncoder) {
+        encoder.encodeInt32(scheduleTime, forKey: "t")
+    }
+    
+    public func withUpdatedScheduleTime(_ scheduleTime: Int32) -> OutgoingScheduleInfoMessageAttribute {
+        return OutgoingScheduleInfoMessageAttribute(scheduleTime: scheduleTime)
+    }
+}
+
+public extension Message {
+    var scheduleTime: Int32? {
+        for attribute in self.attributes {
+            if let attribute = attribute as? OutgoingScheduleInfoMessageAttribute {
+                return attribute.scheduleTime
+            }
+        }
+        return nil
+    }
+}