getting phase one of organizing top level auth

nirvana-ios.xcodeproj/project.pbxproj

@@ -30,6 +30,7 @@
 		89288EC7276756DF00E962C4 /* FirebaseDatabase in Frameworks */ = {isa = PBXBuildFile; productRef = 89288EC6276756DF00E962C4 /* FirebaseDatabase */; };
 		89288EC9276756DF00E962C4 /* FirebaseStorage in Frameworks */ = {isa = PBXBuildFile; productRef = 89288EC8276756DF00E962C4 /* FirebaseStorage */; };
 		89288ECB27675B9F00E962C4 /* OnboardingTemplateView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 89288ECA27675B9F00E962C4 /* OnboardingTemplateView.swift */; };
+		89B46E71276893E200B74255 /* AuthSessionStore.swift in Sources */ = {isa = PBXBuildFile; fileRef = 89B46E70276893E200B74255 /* AuthSessionStore.swift */; };
 		89D99D2E2766FD6B00237814 /* Liquid in Frameworks */ = {isa = PBXBuildFile; productRef = 89D99D2D2766FD6B00237814 /* Liquid */; };
 		89F1386D2767EB19006680ED /* SignInView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 89F1386C2767EB19006680ED /* SignInView.swift */; };
 		89F138702767F55F006680ED /* GoogleSignIn in Frameworks */ = {isa = PBXBuildFile; productRef = 89F1386F2767F55F006680ED /* GoogleSignIn */; };
@@ -57,6 +58,7 @@
 		892179E52765FECD001E6C60 /* FooterControlsViewModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = FooterControlsViewModel.swift; sourceTree = "<group>"; };
 		89288EBF276755DF00E962C4 /* GoogleService-Info.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; path = "GoogleService-Info.plist"; sourceTree = "<group>"; };
 		89288ECA27675B9F00E962C4 /* OnboardingTemplateView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = OnboardingTemplateView.swift; sourceTree = "<group>"; };
+		89B46E70276893E200B74255 /* AuthSessionStore.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AuthSessionStore.swift; sourceTree = "<group>"; };
 		89F1386C2767EB19006680ED /* SignInView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SignInView.swift; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
@@ -96,6 +98,7 @@
 		891A15DF27653A7000B26659 /* nirvana-ios */ = {
 			isa = PBXGroup;
 			children = (
+				89B46E6F276893C900B74255 /* Auth */,
 				891A160C27657CD600B26659 /* Models */,
 				891A1609276572C600B26659 /* Globals */,
 				891A15F62765639B00B26659 /* Views */,
@@ -129,7 +132,7 @@
 		891A15F62765639B00B26659 /* Views */ = {
 			isa = PBXGroup;
 			children = (
-				89F1386B2767EB07006680ED /* SignInview */,
+				89F1386B2767EB07006680ED /* SignIn */,
 				892179E22765FE93001E6C60 /* FooterControlsView */,
 				891A16052765726800B26659 /* Templates */,
 				891A16042765725D00B26659 /* WelcomeView */,
@@ -201,12 +204,20 @@
 			path = FooterControlsView;
 			sourceTree = "<group>";
 		};
-		89F1386B2767EB07006680ED /* SignInview */ = {
+		89B46E6F276893C900B74255 /* Auth */ = {
+			isa = PBXGroup;
+			children = (
+				89B46E70276893E200B74255 /* AuthSessionStore.swift */,
+			);
+			path = Auth;
+			sourceTree = "<group>";
+		};
+		89F1386B2767EB07006680ED /* SignIn */ = {
 			isa = PBXGroup;
 			children = (
 				89F1386C2767EB19006680ED /* SignInView.swift */,
 			);
-			path = SignInview;
+			path = SignIn;
 			sourceTree = "<group>";
 		};
 /* End PBXGroup section */
@@ -300,6 +311,7 @@
 				892179E62765FECD001E6C60 /* FooterControlsViewModel.swift in Sources */,
 				891A15F5276557AB00B26659 /* colors.swift in Sources */,
 				89288ECB27675B9F00E962C4 /* OnboardingTemplateView.swift in Sources */,
+				89B46E71276893E200B74255 /* AuthSessionStore.swift in Sources */,
 				891A15F9276563CA00B26659 /* WelcomeView.swift in Sources */,
 				891A1611276590B000B26659 /* ChatsCarouselView.swift in Sources */,
 				891A16132765A44300B26659 /* ChatsCarouselViewModel.swift in Sources */,

nirvana-ios/Auth/AuthSessionStore.swift

@@ -0,0 +1,67 @@
+//
+//  AuthSessionStore.swift
+//  nirvana-ios
+//
+//  Created by Arjun Patel on 12/14/21.
+//
+
+import Foundation
+import Firebase
+import FirebaseAuth
+import Combine
+
+enum SessionState {
+    case isAuthenticated
+    case isLoggedOut
+}
+
+protocol SessionStore {
+    var sessionState:SessionState { get }
+    var user:User? { get }
+    
+    func signInOrCreateUser()
+    func logOut()
+    func unbind()
+}
+
+final class AuthSessionStore: ObservableObject, SessionStore {
+    @Published var user : User?
+    @Published var sessionState: SessionState = SessionState.isLoggedOut
+    
+    private var handler: AuthStateDidChangeListenerHandle?
+    
+    init() {
+        self.setupAuthListen()
+    }
+    
+    func signInOrCreateUser() {
+        
+    }
+    
+    func logOut() {
+        
+    }
+    
+    func unbind () {
+        if let handle = self.handler {
+            Auth.auth().removeStateDidChangeListener(handle)
+        }
+    }
+}
+
+private extension AuthSessionStore {
+    func setupAuthListen() {
+        // monitor authentication changes using firebase
+        self.handler = Auth.auth().addStateDidChangeListener { (auth, user) in
+            if let user = user {
+                // if we have a user, create a new user model
+                print("Got user: \(user)")
+                self.user = User(
+                    _uid: user.uid, _email: user.email, _displayName: user.displayName, _profilePic: user.photoURL, _phoneNumber: user.phoneNumber)
+            } else {
+                // if we don't have a user, set our session to nil
+                self.user = nil
+            }
+        }
+    }
+}

nirvana-ios/ContentView.swift

@@ -8,33 +8,27 @@
 import SwiftUI
 
 struct ContentView: View {
-    @EnvironmentObject var authSession: AuthSessionStore
+    @EnvironmentObject var authSessionStore: AuthSessionStore
     
     var body: some View {
         NavigationView {
-            VStack {
-                NavigationLink(destination: WelcomeView()) {
-                    Text("Welcome Page")
+            ZStack {
+                switch self.authSessionStore.sessionState {
+                    case SessionState.isAuthenticated:
+                        HomeView()
+                    case SessionState.isLoggedOut:
+                        WelcomeView()
                 }
+//                NavigationLink("Welcome Page", isActive: self.authSessionStore.sessionState == SessionState.isLoggedOut, WelcomeView())
+//                NavigationLink("HomePage", isActive: self.authSessionStore.sessionState == SessionState.isAuthenticated, destination: HomeView())
                 
-                NavigationLink(destination: HomeView()) {
-                    Text("Home Page")
-                }
-            }
-            .navigationBarTitle("View All Pages", displayMode: .inline)
-        }.onAppear(perform: self.getUser)
-        
-//        .navigationViewStyle(StackNavigationViewStyle())
-//        .environmentObject()//can pass anything to send to all views within navigation view
-    }
-    
-    func getUser () {
-        authSession.listen()
+            }.navigationBarHidden(true)
+        }
     }
 }
 
 struct ContentView_Previews: PreviewProvider {
     static var previews: some View {
-        ContentView()
+        ContentView().environmentObject(AuthSessionStore())
     }
 }

nirvana-ios/Views/SignIn/SignInView.swift

@@ -69,8 +69,8 @@ struct SignInView: View {
         GIDSignIn.sharedInstance.signIn(with: config, presenting: getRootViewController())
             {[self] user, err in
                 
-                if let error = err {
-                    print(err)
+                if err != nil {
+                    print(err!.localizedDescription)
                     return
                 }
                 
@@ -85,8 +85,8 @@ struct SignInView: View {
                                                                accessToken: authentication.accessToken)
                 
                 Auth.auth().signIn(with: credential) { result, error in
-                    if let error = error {
-                        print(error.localizedDescription)
+                    if error != nil {
+                        print(error!.localizedDescription)
                     }
                     
                     guard let user = result?.user else {
@@ -94,8 +94,7 @@ struct SignInView: View {
                     }
                     
                     print(user.displayName ?? "Success!")
-                    print(user.photoURL)
-                    print(user.phoneNumber)
+                    print(user)
                     // User is signed in
                     // ...
                 }

nirvana-ios/nirvana_iosApp.swift

@@ -11,10 +11,12 @@ import GoogleSignIn
 
 @main
 struct nirvana_iosApp: App {
+    @StateObject var authSessionStore: AuthSessionStore = AuthSessionStore()
+    
     @UIApplicationDelegateAdaptor private var appDelegate: AppDelegate
       var body: some Scene {
         WindowGroup {
-          ContentView()
+            ContentView().environmentObject(authSessionStore)
         }
       }
 }