init: init proj

DDYSClient/Services/WatchProgressStore.swift

@@ -0,0 +1,69 @@
+import Foundation
+
+@Observable
+final class WatchProgressStore {
+    static let shared = WatchProgressStore()
+
+    private let defaults = UserDefaults.standard
+    private let progressKey = "ddys_watch_progress"
+
+    private var progressMap: [String: WatchProgress] {
+        get {
+            guard let data = defaults.data(forKey: progressKey),
+                  let map = try? JSONDecoder().decode([String: WatchProgress].self, from: data) else {
+                return [:]
+            }
+            return map
+        }
+        set {
+            if let data = try? JSONEncoder().encode(newValue) {
+                defaults.set(data, forKey: progressKey)
+            }
+        }
+    }
+
+    private init() {}
+
+    func getProgress(for contentId: String, episodeId: Int = 0) -> WatchProgress? {
+        let key = "\(contentId)_\(episodeId)"
+        return progressMap[key]
+    }
+
+    func saveProgress(contentId: String, episodeId: Int = 0, currentTime: Double, duration: Double) {
+        let key = "\(contentId)_\(episodeId)"
+        let progress = WatchProgress(
+            contentId: contentId,
+            episodeId: episodeId,
+            currentTime: currentTime,
+            duration: duration,
+            lastWatched: Date()
+        )
+        var map = progressMap
+        map[key] = progress
+        progressMap = map
+    }
+
+    func clearAll() {
+        defaults.removeObject(forKey: progressKey)
+    }
+
+    func recentlyWatched(limit: Int = 20) -> [WatchProgress] {
+        progressMap.values
+            .sorted { $0.lastWatched > $1.lastWatched }
+            .prefix(limit)
+            .map { $0 }
+    }
+}
+
+struct WatchProgress: Codable {
+    let contentId: String
+    let episodeId: Int
+    let currentTime: Double
+    let duration: Double
+    let lastWatched: Date
+
+    var percentage: Double {
+        guard duration > 0 else { return 0 }
+        return currentTime / duration
+    }
+}