feat: implement real login and store user token

firstfm/Data/Entities/API/LoginResponse.swift

@@ -0,0 +1,17 @@
+//
+//  LoginResponse.swift
+//  firstfm
+//
+//  Created by Stanislas Lange on 17/07/2021.
+//
+
+import SwiftUI
+
+struct LoginResponse: Codable {
+    let session: Session
+}
+
+struct Session: Codable {
+    let subscriber: Int
+    let name, key: String
+}

firstfm/Data/ViewModel/AuthViewModel.swift

@@ -7,11 +7,28 @@
 
 import Foundation
 import SwiftUI
+import NotificationBannerSwift
 
 class AuthViewModel: ObservableObject {
     @AppStorage("lastfm_username") var storedUsername: String?
+    @AppStorage("lastfm_sk") var storedToken: String?
 
     func isLoggedIn() -> Bool {
         return storedUsername != nil
     }
+
+    func login(username: String, password: String) {
+        LastFMAPI.request(lastFMMethod: "auth.getMobileSession", args: ["username": username,"password": password]) { (data: LoginResponse?, error) -> Void in
+            if error != nil {
+                DispatchQueue.main.async {
+                    FloatingNotificationBanner(title: "Failed to login", subtitle: error?.localizedDescription, style: .danger).show()
+                }
+            }
+
+            if let data = data {
+                print(data)
+                self.storedToken = data.session.key
+            }
+        }
+    }
 }

firstfm/Views/LoginView.swift

@@ -45,6 +45,7 @@ struct LoginView : View {
                 .padding(.bottom, 20)
             Button(action: {
                 storedUsername = username
+                auth.login(username: username, password: password)
                 presentationMode.wrappedValue.dismiss()
                 print("login clicked")