Данные хранятся локально, и это приводит к сбою моего приложения (ошибка: невозможно инициализировать тип проверки со словарем [...])

Question

Когда я изменил поле в базе данных обзора в Firestore (и, очевидно, также изменил его в коде), приложение вылетает. В окне журнала написано:

невозможно инициализировать тип Просмотр со словарем [...]

(в этом словаре отображается старое поле, хотя оно не существуетв базе данных больше!). Похоже, что приложение хранит старые данные где-то локально и не извлекает новые данные из базы данных.

localCollection.swift

public protocol DocumentSerializable {


 init?(document: QueryDocumentSnapshot)


 init?(document: DocumentSnapshot)

 var documentID: String { get }


 var documentData: [String: Any] { get }

 }





 final class LocalCollection<T: DocumentSerializable> {

   private(set) var items: [T]

  private(set) var documents: [DocumentSnapshot] = []

  let query: Query

     private let updateHandler: ([DocumentChange]) -> ()



  private var listener: ListenerRegistration? {

   didSet {
    oldValue?.remove()
     }

 }


func listen() {

  guard listener == nil else { return }

  listener = query.addSnapshotListener { [unowned self] querySnapshot, error in
    guard let snapshot = querySnapshot else {
      print("Error fetching snapshot results: \(error!)")
      return
    }
    let models = snapshot.documents.map { (document) -> T in
      if let model = T(document: document) {
        return model
      } else {
        // handle error
          print("Imen")
        fatalError("Unable to initialize type \(T.self) with dictionary \(document.data())")
      }
    }
    self.items = models

    self.documents = snapshot.documents
    self.updateHandler(snapshot.documentChanges)
  }

}



  var count: Int {

return self.items.count

 }


  subscript(index: Int) -> T {

return self.items[index]

 }


     init(query: Query, updateHandler: @escaping ([DocumentChange]) ->     ()) {

self.items = []
self.query = query
self.updateHandler = updateHandler

 }


 func index(of document: DocumentSnapshot) -> Int? {

for i in 0 ..< documents.count {
  if documents[i].documentID == document.documentID {
    return i
  }

}

return nil
}



 func stopListening() {
listener?.remove()
listener = nil
 }



 deinit {
stopListening()
}


 }

Review.swift

 struct Review {

var documentID: String
var restaurantID: String
var restaurantName: String
var stars: Bool
var userInfo: User

}
extension Review : DocumentSerializable {

var documentData: [String : Any] {
     return [
             "restaurant ID": restaurantID,
             "restaurant Name": restaurantName,
             "stars": stars,
             "User Info": userInfo.documentData
           ]
}




private init?(documentID: String, dictionary: [String : Any]) {
   guard let restaurantID = dictionary["restaurant ID"] as? String,
       let restaurantName = dictionary["restaurant Name"] as? String,

       let stars = dictionary["stars"] as? Bool,
       let userInfo = dictionary["userInfo"] as? [String: Any] else {
        return nil }
   guard let user = User(dictionary: userInfo) else {
    return nil }
   self.init(documentID: documentID,
             restaurantID: restaurantID,
             restaurantName: restaurantName,
             stars: stars,
             userInfo: user)

 }

public init?(document: QueryDocumentSnapshot) {
  self.init(documentID: document.documentID, dictionary: document.data())
}

public init?(document: DocumentSnapshot) {
  guard let data = document.data() else { return nil }
  self.init(documentID: document.documentID, dictionary: data)
}

public init?(
            restaurantID: String,
            restaurantName: String,
            stars: Bool,
            userInfo: User) {
  let document = Firestore.firestore().reviews.document()
  self.init(documentID: document.documentID,
            restaurantID: restaurantID,
            restaurantName: restaurantName,
            stars: stars,
            userInfo: userInfo)
}






 }

User.swift

struct User {


 var userID: String


 var name: String

 var photoURL: URL


  }


extension User: DocumentSerializable {

var documentID: String {
  return userID
}

// The default URL for profile images.
static let defaultPhotoURL =
    URL(string:"")!https://firebasestorage.googleapis.com/v0/b/Restaurant/o/x.png?alt=media&token=7e95c1fb-f402-4611-90d4-cb9c2362fbff
// Initializes a User from document snapshot data.
 private init?(documentID: String, dictionary: [String : Any]) {
   guard let userID = dictionary["UserID"] as? String else { return nil }
    precondition(userID == documentID)

    self.init(dictionary: dictionary)

}

public init?(dictionary: [String: Any]) {
  guard let userID = dictionary["UserID"] as? String,
    let name = dictionary["Name"] as? String,
    let photoURLString = dictionary["PhotoURL"] as? String else { return nil }
  guard let photoURL = URL(string: photoURLString) else { return nil }

    self.init(userID: userID, name: name, photoURL: photoURL)
}

public init?(document: QueryDocumentSnapshot) {
  self.init(documentID: document.documentID, dictionary: document.data())
}

public init?(document: DocumentSnapshot) {
  guard let data = document.data() else { return nil }
  self.init(documentID: document.documentID, dictionary: data)
}



/// Returns a new User, providing a default name and photoURL if passed nil or left unspecified.
public init(userID: String,
            name: String? = "Eater",
            photoURL: URL? = User.defaultPhotoURL) {
  self.init(userID: userID,
            name: name ?? "eater",
            photoURL: photoURL ?? User.defaultPhotoURL)
}

public init() {
  let uid = UUID().uuidString
  self.init(userID: uid)
}

/// A user object's representation in Firestore.
public var documentData: [String: Any] {
  return [
    "UserID": userID,
    "Name": name,
    "PhotoURL": photoURL.absoluteString
  ]
}
}