Use @Published for preferences and manually encode/decode

Tusker/Preferences/Preferences.swift

@@ -35,34 +35,70 @@ class Preferences: Codable, ObservableObject {
     
     private init() {}
     
+    required init(from decoder: Decoder) throws {
+        let container = try decoder.container(keyedBy: CodingKeys.self)
+        
+        self.showRepliesInProfiles = try container.decode(Bool.self, forKey: .showRepliesInProfiles)
+        self.avatarStyle = try container.decode(AvatarStyle.self, forKey: .avatarStyle)
+        self.hideCustomEmojiInUsernames = try container.decode(Bool.self, forKey: .hideCustomEmojiInUsernames)
+        
+        self.defaultPostVisibility = try container.decode(Status.Visibility.self, forKey: .defaultPostVisibility)
+        self.automaticallySaveDrafts = try container.decode(Bool.self, forKey: .automaticallySaveDrafts)
+        self.contentWarningCopyMode = try container.decode(ContentWarningCopyMode.self, forKey: .contentWarningCopyMode)
+        self.openLinksInApps = try container.decode(Bool.self, forKey: .openLinksInApps)
+        
+        self.silentActions = try container.decode([String: Permission].self, forKey: .silentActions)
+        self.statusContentType = try container.decode(StatusContentType.self, forKey: .statusContentType)
+    }
+    
+    func encode(to encoder: Encoder) throws {
+        var container = encoder.container(keyedBy: CodingKeys.self)
+        
+        try container.encode(showRepliesInProfiles, forKey: .showRepliesInProfiles)
+        try container.encode(avatarStyle, forKey: .avatarStyle)
+        try container.encode(hideCustomEmojiInUsernames, forKey: .hideCustomEmojiInUsernames)
+        
+        try container.encode(defaultPostVisibility, forKey: .defaultPostVisibility)
+        try container.encode(automaticallySaveDrafts, forKey: .automaticallySaveDrafts)
+        try container.encode(contentWarningCopyMode, forKey: .contentWarningCopyMode)
+        try container.encode(openLinksInApps, forKey: .openLinksInApps)
+        
+        try container.encode(silentActions, forKey: .silentActions)
+        try container.encode(statusContentType, forKey: .statusContentType)
+    }
+    
     typealias ObjectWillChangePublisher = PassthroughSubject<Preferences, Never>
     let objectWillChange = PassthroughSubject<Preferences, Never>()
     
     // MARK: - Appearance
-    var showRepliesInProfiles = false { willSet { objectWillChange.send(self) } }
-    var avatarStyle = AvatarStyle.roundRect { willSet { objectWillChange.send(self) } }
-    var hideCustomEmojiInUsernames = false { willSet { objectWillChange.send(self) } }
+    @Published var showRepliesInProfiles = false
+    @Published var avatarStyle = AvatarStyle.roundRect
+    @Published var hideCustomEmojiInUsernames = false
     
     // MARK: - Behavior
-    var defaultPostVisibility = Status.Visibility.public { willSet { objectWillChange.send(self) } }
-    var automaticallySaveDrafts = true { willSet { objectWillChange.send(self) } }
-    var contentWarningCopyMode = ContentWarningCopyMode.asIs { willSet { objectWillChange.send(self) } }
-    var openLinksInApps = true { willSet { objectWillChange.send(self) } }
+    @Published var defaultPostVisibility = Status.Visibility.public
+    @Published var automaticallySaveDrafts = true
+    @Published var contentWarningCopyMode = ContentWarningCopyMode.asIs
+    @Published var openLinksInApps = true
     
     // MARK: - Advanced
-    var silentActions: [String: Permission] = [:] { willSet { objectWillChange.send(self) } }
-    var statusContentType: StatusContentType = .plain { willSet { objectWillChange.send(self) } }
+    @Published var silentActions: [String: Permission] = [:]
+    @Published var statusContentType: StatusContentType = .plain
 
+    enum CodingKeys: String, CodingKey {
+        case showRepliesInProfiles
+        case avatarStyle
+        case hideCustomEmojiInUsernames
+        
+        case defaultPostVisibility
+        case automaticallySaveDrafts
+        case contentWarningCopyMode
+        case openLinksInApps
+        
+        case silentActions
+        case statusContentType
     }
     
-extension PassthroughSubject: Codable {
-    public convenience init(from decoder: Decoder) throws {
-        self.init()
-    }
-    
-    public func encode(to encoder: Encoder) throws {
-        
-    }
 }
 
 extension Preferences {