Refactor SyncCore

submodules/SyncCore/Sources/CachedStickerPack.swift

@@ -0,0 +1,40 @@
+import Postbox
+
+public final class CachedStickerPack: PostboxCoding {
+    public let info: StickerPackCollectionInfo?
+    public let items: [StickerPackItem]
+    public let hash: Int32
+    
+    public init(info: StickerPackCollectionInfo?, items: [StickerPackItem], hash: Int32) {
+        self.info = info
+        self.items = items
+        self.hash = hash
+    }
+    
+    public init(decoder: PostboxDecoder) {
+        self.info = decoder.decodeObjectForKey("in", decoder: { StickerPackCollectionInfo(decoder: $0) }) as? StickerPackCollectionInfo
+        self.items = decoder.decodeObjectArrayForKey("it").map { $0 as! StickerPackItem }
+        self.hash = decoder.decodeInt32ForKey("h", orElse: 0)
+    }
+    
+    public func encode(_ encoder: PostboxEncoder) {
+        if let info = self.info {
+            encoder.encodeObject(info, forKey: "in")
+        } else {
+            encoder.encodeNil(forKey: "in")
+        }
+        encoder.encodeObjectArray(self.items, forKey: "it")
+        encoder.encodeInt32(self.hash, forKey: "h")
+    }
+    
+    public static func cacheKey(_ id: ItemCollectionId) -> ValueBoxKey {
+        let key = ValueBoxKey(length: 4 + 8)
+        key.setInt32(0, value: id.namespace)
+        key.setInt64(4, value: id.id)
+        return key
+    }
+    
+    public static func cacheKey(shortName: String) -> ValueBoxKey {
+        return ValueBoxKey(shortName)
+    }
+}