325 lines
14 KiB
Swift
325 lines
14 KiB
Swift
//
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// PhoneVerificationView.swift
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// nirvana-ios
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//
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// Created by Arjun Patel on 12/17/21.
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//
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import SwiftUI
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import NavigationStack
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import Combine
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import Firebase
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import FirebaseAuth
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// user can type in a phone number and then receive a text
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struct PhoneVerificationView: View {
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@State var phoneNumber = ""
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@State var ccode = "1"
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@EnvironmentObject private var navigationStack: NavigationStack
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// Alert settings
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@State var showToast = false
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@State var toastText = ""
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@State var toastSubMessage = ""
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@State var isLoading = false
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let formatter: NumberFormatter = {
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let formatter = NumberFormatter()
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formatter.numberStyle = .decimal
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return formatter
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}()
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@FocusState private var focusedInputField: Bool
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// TODO: format the input so that it shows the parentheses and stuff (949)923-0445
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var body: some View {
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ZStack(alignment: .topLeading) {
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Color.clear
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OnboardingTemplateView(hdrText: "Let's get you verified", imgName: "undraw_my_password_d-6-kg", bottomActArea: AnyView(
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VStack {
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HStack {
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Text("+\(ccode)")
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.padding()
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.background(.ultraThinMaterial)
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.clipShape(Circle())
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.shadow(color: Color.black.opacity(0.3), radius: 20, x: 0, y: 20)
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.font(.subheadline)
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.onTapGesture {
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// tell people that we only support the United States
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self.toastText = "🇺🇸 Only U.S. supported, more countries coming soon!"
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self.showToast.toggle()
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}
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TextField("(650) 555 - 1234", text: self.$phoneNumber)
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.padding()
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.background(.ultraThinMaterial)
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.clipShape(Capsule())
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.keyboardType(.phonePad)
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.shadow(color: Color.black.opacity(0.3), radius: 20, x: 0, y: 20)
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.font(.subheadline)
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.onReceive(Just(self.phoneNumber)) {newValue in
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let filtered = newValue.filter {
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"0123456789".contains($0)
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}
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if filtered != newValue {
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self.phoneNumber = filtered
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}
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}
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.focused(self.$focusedInputField)
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Spacer()
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}
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.padding(.vertical, 20)
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// did they input a 10 digit number?
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if self.phoneNumber.count == 10 {
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Button {
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let concatPhoneNumber = "+"+self.ccode+self.phoneNumber
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//disable focused textfield...important: draw the focus field out first and then the loading screen
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self.focusedInputField.toggle()
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//show loading screen
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self.isLoading.toggle()
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print("sending sms and/or redirecting")
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// TODO: do all of this in view model
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// do auth stuff from firebase
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PhoneAuthProvider.provider()
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.verifyPhoneNumber(concatPhoneNumber, uiDelegate: nil) { verificationID, error in
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print("firebase auth done, now running my callback")
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// got a response...done loading... either error to show or next page
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self.isLoading.toggle()
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// problem verifying number showing alert...maybe fake number or something from user
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if error != nil {
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self.toastText = "⚠️ Please try again."
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self.toastSubMessage = "There was an issue validating your phone number"
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self.showToast.toggle()
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print((error?.localizedDescription)!)
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return
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}
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// use this in the next screen to verify with the code provided
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UserDefaults.standard.set(verificationID, forKey: "authVerificationID")
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self.navigationStack.push(PhoneVerificationCodeView()) // verify code page
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}
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} label: {
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VStack {
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Text("Send Verification")
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.fontWeight(.heavy)
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.foregroundColor(Color.white)
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.frame(maxWidth: .infinity)
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.padding(.vertical, 20)
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.background(NirvanaColor.teal) // show dull button if didn't enter full phone number
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.clipShape(Capsule())
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.shadow(radius:10)
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.animation(.default)
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Text("You might receive an SMS message for verification and standard rates apply.")
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.font(.footnote)
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.foregroundColor(Color.black.opacity(0.5))
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}
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}
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} else {
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Text("Send Verification")
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.foregroundColor(Color.white.opacity(0.2))
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.frame(maxWidth: .infinity)
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.padding(.vertical, 20)
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.background(Color.white.opacity(0.2)) // show dull button if didn't enter full phone number
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.clipShape(Capsule())
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.shadow(radius:10)
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.animation(.default)
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}
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}
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))
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//back button to home
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Button {
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print("going back to last page")
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self.navigationStack.pop() // goes back to welcome screen
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} label: {
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Label("Back", systemImage: "chevron.left")
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.labelStyle(.iconOnly)
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.foregroundColor(NirvanaColor.teal)
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.padding()
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}
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if self.isLoading {
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SplashView()
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}
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}
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.alert(self.toastText, isPresented: self.$showToast) {
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Button("OK", role: ButtonRole.cancel) { }
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} message: {
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Text(self.toastSubMessage)
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}
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}
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}
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struct PhoneVerificationView_Previews: PreviewProvider {
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static var previews: some View {
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PhoneVerificationView().environmentObject(AuthSessionStore())
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}
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}
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// another view for user to type in the sms code
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struct PhoneVerificationCodeView: View {
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@EnvironmentObject private var navigationStack: NavigationStack
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@State var verificationCode = ""
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// Alert settings
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@State var showToast = false
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@State var toastText = ""
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@State var toastSubMessage = ""
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@State var isLoading = false
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@FocusState private var focusedInputField: Bool
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let formatter: NumberFormatter = {
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let formatter = NumberFormatter()
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formatter.numberStyle = .decimal
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return formatter
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}()
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var body: some View {
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ZStack(alignment: .topLeading) {
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Color.clear
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OnboardingTemplateView(hdrText: "Let's get you verified", imgName: "undraw_my_password_d-6-kg", bottomActArea: AnyView(
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VStack {
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TextField("Code", text: self.$verificationCode)
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.padding()
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.background(.ultraThinMaterial)
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.clipShape(Capsule())
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.shadow(color: Color.black.opacity(0.3), radius: 20, x: 0, y: 20)
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.font(.title)
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.multilineTextAlignment(.center)
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.padding(.vertical)
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.keyboardType(.phonePad)
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.focused(self.$focusedInputField)
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if self.verificationCode.count == 6 {
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Button {
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print("started verification process of code")
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//disable focused textfield
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self.focusedInputField.toggle()
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// show loading screen
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self.isLoading.toggle()
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// TODO: do all of this in view model authstore
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// get it from the previous screen but from storage
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let verificationID = UserDefaults.standard.string(forKey: "authVerificationID")
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if verificationID == nil {
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self.toastText = "There was an error validating your code."
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self.showToast.toggle()
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}
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// if we got a value, then continue with verifying their code
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let credential = PhoneAuthProvider.provider().credential(
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withVerificationID: verificationID!,
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verificationCode: self.verificationCode
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)
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// firebase will now verify the credential
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Auth.auth().signIn(with: credential) { (res, err) in
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// done with the response here, turn off loading screen
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self.isLoading.toggle()
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if err != nil {
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self.toastText = "⚠️ Error with Verification"
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self.toastSubMessage = "Code is invalid. Please try again or re-enter your phone number in the previous page."
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self.showToast.toggle()
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print((err?.localizedDescription)!)
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return
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}
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//setting in key storage
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UserDefaults.standard.set(true, forKey: "authVerificationID")
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//TODO: is the auth listener going to find that this person signed in? idk test it
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// firebase either created a new user or is giving back an existing user's id
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let userId = res?.user.uid
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let userPhoneNumber = res?.user.phoneNumber
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print("user id that was authenticated is: \(userId)")
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print("user id that was authenticated is: \(userPhoneNumber)")
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// then sending to next page
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self.navigationStack.push(PhoneVerificationCodeView()) // verify code page
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}
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} label: {
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Text("Verify")
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.bold()
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.foregroundColor(NirvanaColor.white)
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.frame(maxWidth: .infinity)
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.padding(.vertical, 20)
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.background(NirvanaColor.teal)
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.clipShape(Capsule())
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.shadow(radius:10)
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}
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} else {
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Text("Verify")
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.foregroundColor(Color.white.opacity(0.2))
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.frame(maxWidth: .infinity)
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.padding(.vertical, 20)
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.background(Color.white.opacity(0.2)) // show dull button if didn't enter full phone number
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.clipShape(Capsule())
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.shadow(radius:10)
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.animation(.default)
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}
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}
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))
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//back button to home
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Button {
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print("going back to last page")
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self.navigationStack.pop() // goes back to welcome screen
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} label: {
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Label("Back", systemImage: "chevron.left")
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.labelStyle(.iconOnly)
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.foregroundColor(NirvanaColor.teal)
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.padding()
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}
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if self.isLoading {
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SplashView()
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}
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}
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.alert(self.toastText, isPresented: self.$showToast) {
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Button("OK", role: ButtonRole.cancel) { }
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} message: {
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Text(self.toastSubMessage)
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}
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}
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}
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struct PhoneVerificationCodeView_Previews: PreviewProvider {
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static var previews: some View {
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PhoneVerificationCodeView().environmentObject(AuthSessionStore())
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}
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}
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