Question

我已经使用Firestore创建了一个用户，但是无法将其保存到一个结构中，以后再获取该标签的用户名。我该如何解决？

//create the user
Auth.auth().createUser(withEmail: email, password: password) { (result, err) in
    print(result)
    //check for errors
    if err != nil {
        //there was an error while creating user
        self.showError("Error creating user")
    }//end if
    else {
        //user was created successfully, store name, last name and email
        let db = Firestore.firestore()
        db.collection("users").addDocument(data: ["firstName": firstName, "lastName": lastName, "age": age!, "imageUrl": imageUrl, "email": email, "uid": result!.user.uid]) { (error) in

            if error != nil {
                //show error message
                self.showError("Account created, but database couldn't save name")
            }//end of if
        }//end of db collection

        //save current user
        //This is where I would like to save my user to my struct

        //transition to homescreen
        self.transitionToTabBarVC()
    }//end else

}//end of create user

Answer 1

您可以像这样检索用户的个人资料信息：

let user = Auth.auth().currentUser
if let user = user {
  let uid = user.uid
  let email = user.email
  let photoURL = user.photoURL
  let displayName = user.displayName
}

如果您想存储其他特定于应用程序的配置文件信息（例如，他们喜欢的颜色或您应用程序特有的其他颜色），我建议将其存储在不是 命名为users，以防止混淆。例如，将其命名为profiles。

然后，创建一个ProfileRepository类，以如下方式获取用户的个人资料：

import FirebaseFirestoreSwift struct UserProfile: Codable { var favouriteColour: String } class ProfileRepository { func getUserProfile(completion: @escaping (_ profile: UserProfile) -> Void) { if let uid = Auth.auth().currentUser?.uid { let profileRef = Firestore.firestore().collection("profiles").document(uid) profileRef.getDocument { (documentSnapshot, error) in do { if let profile = try documentSnapshot?.data(as: UserProfile.self) { completion(profile) } } catch { print(error) } } } } }

请记住，由于大多数Firebase API是异步的，因此您需要使用回调机制将配置文件返回给调用方。在这里，我使用了闭包（我个人比委托更喜欢闭包）。

我还利用了Firebase对Codable的支持，因此您必须将此行添加到Podfile：

pod 'FirebaseFirestoreSwift'

将用户信息保存到Firestore

1 个答案: