get wallpapers in order

Pocket Poster/Extensions/Reorderable.swift

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+//
+//  Reorderable.swift
+//  Pocket Poster
+//
+//  Created by lemin on 6/22/25.
+//
+
+import Foundation
+
+protocol Reorderable {
+    associatedtype OrderElement: Equatable
+    var orderElement: OrderElement { get }
+}
+
+extension Array where Element: Reorderable {
+
+    func reorder(by preferredOrder: [Element.OrderElement]) -> [Element] {
+        sorted {
+            guard let first = preferredOrder.firstIndex(of: $0.orderElement) else {
+                return false
+            }
+
+            guard let second = preferredOrder.firstIndex(of: $1.orderElement) else {
+                return true
+            }
+
+            return first < second
+        }
+    }
+}