Fix updating watch history

Shared/Videos/WatchView.swift

@@ -0,0 +1,67 @@
+import Defaults
+import Foundation
+import SwiftUI
+
+struct WatchView: View {
+    var watch: Watch?
+    var videoID: Video.ID
+    var duration: Double
+
+    @Default(.watchedVideoBadgeColor) private var watchedVideoBadgeColor
+
+    var backgroundContext = PersistenceController.shared.container.newBackgroundContext()
+
+    var body: some View {
+        #if os(tvOS)
+            if finished {
+                image
+            }
+        #else
+            Button(action: toggleWatch) {
+                image
+            }
+            .opacity(finished ? 1 : 0.4)
+            .buttonStyle(.plain)
+        #endif
+    }
+
+    var image: some View {
+        Image(systemName: imageSystemName)
+            .foregroundColor(Color(
+                watchedVideoBadgeColor == .colorSchemeBased ? "WatchProgressBarColor" :
+                    watchedVideoBadgeColor == .red ? "AppRedColor" : "AppBlueColor"
+            ))
+            .background(backgroundColor)
+            .clipShape(Circle())
+            .imageScale(.large)
+    }
+
+    func toggleWatch() {
+        if finished, let watch {
+            PlayerModel.shared.removeWatch(watch)
+        } else {
+            Watch.markAsWatched(videoID: watch?.videoID ?? videoID, account: AccountsModel.shared.current, duration: watch?.videoDuration ?? duration, context: backgroundContext)
+        }
+
+        FeedModel.shared.calculateUnwatchedFeed()
+    }
+
+    var imageSystemName: String {
+        finished ? "checkmark.circle.fill" : "circle"
+    }
+
+    var backgroundColor: Color {
+        finished ? .white : .clear
+    }
+
+    var finished: Bool {
+        guard let watch else { return false }
+        return watch.finished
+    }
+}
+
+struct WatchView_Previews: PreviewProvider {
+    static var previews: some View {
+        WatchView(videoID: "abc", duration: 10)
+    }
+}