Caching for favorites

Model/Playlist.swift

@@ -40,7 +40,7 @@ struct Playlist: Identifiable, Equatable, Hashable {
     }
 
     var json: JSON {
-        return [
+        [
             "id": id,
             "title": title,
             "visibility": visibility.rawValue,
@@ -51,7 +51,7 @@ struct Playlist: Identifiable, Equatable, Hashable {
     }
 
     static func from(_ json: JSON) -> Self {
-        return .init(
+        .init(
             id: json["id"].stringValue,
             title: json["title"].stringValue,
             visibility: .init(rawValue: json["visibility"].stringValue) ?? .public,

Model/PlaylistsModel.swift

@@ -38,13 +38,15 @@ final class PlaylistsModel: ObservableObject {
     }
 
     func load(force: Bool = false, onSuccess: @escaping () -> Void = {}) {
-        guard accounts.app.supportsUserPlaylists, accounts.signedIn, let account = accounts.current else {
+        guard accounts.app.supportsUserPlaylists, let account = accounts.current else {
             playlists = []
             return
         }
 
         loadCachedPlaylists(account)
 
+        guard accounts.signedIn else { return }
+
         DispatchQueue.main.async { [weak self] in
             guard let self else { return }
             let request = force ? self.resource?.load() : self.resource?.loadIfNeeded()