ساخت اپلیکیشن با Firebase و SwiftUI — از صفر تا صد

1{
2  "rules": {
3    "$uid": {
4      ".write": "$uid === auth.uid",
5      ".read": "$uid === auth.uid"
6   }
7 }
8}

1func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
2   //Firebase
3   FirebaseApp.configure()
4   return true
5}

1# Pods for TODO
2pod 'Firebase'
3pod 'Firebase/Auth'
4pod 'Firebase/Analytics'
5pod 'Firebase/Database'

1class User {
2    
3    var uid: String
4    var email: String?
5    var displayName: String?
6    
7    init(uid: String, displayName: String?, email: String?) {
8        self.uid = uid
9        self.email = email
10        self.displayName = displayName
11    }
12}

1struct TODOS: Identifiable {
2    
3    let ref: DatabaseReference?
4    let key: String
5    let todo: String
6    let isComplete: String
7    let id: String
8    
9    init(todo: String, isComplete: String, key: String = "") {
10        self.ref = nil
11        self.key = key
12        self.todo = todo
13        self.isComplete = isComplete
14        self.id = key
15    }
16    init?(snapshot: DataSnapshot) {
17        guard
18            let value = snapshot.value as? [String: AnyObject],
19            let todo = value["todo"] as? String,
20            let isComplete = value["isComplete"] as? String
21            else {
22                return nil
23            }
24        self.ref = snapshot.ref
25        self.key = snapshot.key
26        self.todo = todo
27        self.isComplete = isComplete
28        self.id = snapshot.key
29    }
30    
31    func toAnyObject() -> Any {
32        return [
33            "todo": todo,
34            "isComplete": isComplete,  
35        ]
36    }
37}

1func listen() {
2        _ = Auth.auth().addStateDidChangeListener { (auth, user) in
3            if let user = user {
4                self.session = User(uid: user.uid, displayName: user.displayName, email: user.email)
5            }
6        }
7    }
8    
9    func logIn(email: String, password: String, handler: @escaping AuthDataResultCallback) {
10        Auth.auth().signIn(withEmail: email, password: password, completion: handler)
11    }
12    
13    func logOut() {
14            try! Auth.auth().signOut()
15    }
16    
17    func signUp(email: String, password: String, handler: @escaping AuthDataResultCallback) {
18        Auth.auth().createUser(withEmail: email, password: password, completion: handler)
19    }
20    
21    func getTODOS() {
22        ref.observe(DataEventType.value) { (snapshot) in
23            self.items = []
24            for child in snapshot.children {
25                if let snapshot = child as? DataSnapshot,
26                    let toDo = TODOS(snapshot: snapshot) {
27                    self.items.append(toDo)
28                }
29            }
30        }
31    }
32    
33    func uploadTODO(todo: String) {
34        //Generates number going up as time goes on, sets order of TODO's by how old they are.
35        let number = Int(Date.timeIntervalSinceReferenceDate * 1000)
36        
37        let postRef = ref.child(String(number))
38        let post = TODOS(todo: todo, isComplete: "false")
39        postRef.setValue(post.toAnyObject())
40    }
41    
42    func updateTODO(key: String, todo: String, isComplete: String) {
43        let update = ["todo": todo, "isComplete": isComplete]
44        let childUpdate = ["\(key)": update]
45        ref.updateChildValues(childUpdate)
46    }

1    var body: some View {
2        
3        NavigationView {
4            Group {
5                if session.session != nil {
6                    VStack {
7                        NavigationLink(destination: NewTODOView()) {
8                            Text("Add TODO")
9                        }
10                        
11                        List {
12                            ForEach(self.session.items) { todo in
13                                NavigationLink(destination: TODODetailView(todo: todo)) {
14                                    Text(todo.todo)
15                                }
16                            }
17                        }
18                        .navigationBarItems(trailing: Button(action: {
19                            self.session.logOut()
20                                
21                        }) {
22                            Text("Logout")
23                        })
24                    }
25                } else {
26                    LoginView()
27                    .navigationBarItems(trailing: Text(""))
28                }
29            }
30            .onAppear(perform: getUser)
31            .navigationBarTitle(Text("TODO"))
32            .padding()
33        }
34    }