Use Kingfisher to fetch the notification album art

Persephone/Components/Shared/UserNotificationsController.swift

@@ -8,8 +8,11 @@
 
 import Foundation
 import ReSwift
+import Kingfisher
 
 class UserNotificationsController {
+  let cache = ImageCache.default
+
   init() {
     App.store.subscribe(self) {
       $0.select { $0.playerState.currentSong }
@@ -18,18 +21,28 @@ class UserNotificationsController {
 
   func notifyTrack(_ state: Song?) {
     guard let currentSong = state,
+      let coverArtFilePath = currentSong.album.coverArtFilePath,
       let status = App.mpdClient.status,
       status.state == .playing
       else { return }
-//
-//    let coverArtService = CoverArtService(path: currentSong.mpdSong.path, album: currentSong.album)
-//
-//    coverArtService.fetchBigCoverArt()
-//      .done() {
-//        SongNotifierService(song: currentSong, image: $0)
-//          .deliver()
-//      }
-//      .cauterize()
+
+    let imageURL = URL(fileURLWithPath: coverArtFilePath)
+    let provider = LocalFileImageDataProvider(fileURL: imageURL)
+    _ = KingfisherManager.shared.retrieveImage(
+      with: .provider(provider),
+      options: [
+        .processor(DownsamplingImageProcessor(size: NSSize(width: 180, height: 180))),
+        .scaleFactor(2),
+      ]
+    ) { result in
+      switch result {
+      case .success(let value):
+        SongNotifierService(song: currentSong, image: value.image)
+          .deliver()
+      case .failure:
+        break
+      }
+    }
   }
 }
 

Persephone/State/Actions/PlayerActions.swift

@@ -9,10 +9,6 @@
 import AppKit
 import ReSwift
 
-struct UpdateCurrentCoverArtAction: Action {
-  var coverArt: NSImage?
-}
-
 struct UpdateCurrentSongAction: Action {
   var currentSong: Song?
 }

Persephone/State/Reducers/PlayerReducer.swift

@@ -39,9 +39,6 @@ func playerReducer(action: Action, state: PlayerState?) -> PlayerState {
   case let action as UpdateCurrentSongAction:
     state.currentSong = action.currentSong
 
-  case let action as UpdateCurrentCoverArtAction:
-    break
-
   case let action as UpdateElapsedTimeAction:
     state.elapsedTimeMs = action.elapsedTimeMs