Refactor SyncCore

submodules/SyncCore/Sources/StickerPackItem.swift

@@ -0,0 +1,42 @@
+import Postbox
+
+public final class StickerPackItem: ItemCollectionItem, Equatable {
+    public let index: ItemCollectionItemIndex
+    public let file: TelegramMediaFile
+    public let indexKeys: [MemoryBuffer]
+    
+    public init(index: ItemCollectionItemIndex, file: TelegramMediaFile, indexKeys: [MemoryBuffer]) {
+        self.index = index
+        self.file = file
+        self.indexKeys = indexKeys
+    }
+    
+    public init(decoder: PostboxDecoder) {
+        self.index = ItemCollectionItemIndex(index: decoder.decodeInt32ForKey("i.n", orElse: 0), id: decoder.decodeInt64ForKey("i.i", orElse: 0))
+        self.file = decoder.decodeObjectForKey("f") as! TelegramMediaFile
+        self.indexKeys = decoder.decodeBytesArrayForKey("s")
+    }
+    
+    public func encode(_ encoder: PostboxEncoder) {
+        encoder.encodeInt32(self.index.index, forKey: "i.n")
+        encoder.encodeInt64(self.index.id, forKey: "i.i")
+        encoder.encodeObject(self.file, forKey: "f")
+        encoder.encodeBytesArray(self.indexKeys, forKey: "s")
+    }
+    
+    public static func ==(lhs: StickerPackItem, rhs: StickerPackItem) -> Bool {
+        return lhs.index == rhs.index && lhs.file == rhs.file && lhs.indexKeys == rhs.indexKeys
+    }
+    
+    public func getStringRepresentationsOfIndexKeys() -> [String] {
+        var stringRepresentations: [String] = []
+        for key in self.indexKeys {
+            key.withDataNoCopy { data in
+                if let string = String(data: data, encoding: .utf8) {
+                    stringRepresentations.append(string)
+                }
+            }
+        }
+        return stringRepresentations
+    }
+}