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nirvana-ios/nirvana-ios/Views/PhoneVerification/PhoneCodeVerificationView.swift
T

189 lines
8.7 KiB
Swift

//
// PhoneCodeVerificationView.swift
// nirvana-ios
//
// Created by Arjun Patel on 12/18/21.
//
import SwiftUI
import NavigationStack
import Combine
import Firebase
import FirebaseAuth
struct PhoneCodeVerificationView: View {
@ObservedObject private var phoneverificationViewModel = PhoneVerificationViewModel()
@EnvironmentObject private var navigationStack: NavigationStack
@State var verificationCode = ""
// Alert settings
@State var showToast = false
@State var toastText = ""
@State var toastSubMessage = ""
@State var isLoading = false
@FocusState private var focusedInputField: Bool
let formatter: NumberFormatter = {
let formatter = NumberFormatter()
formatter.numberStyle = .decimal
return formatter
}()
var body: some View {
ZStack(alignment: .topLeading) {
Color.clear
OnboardingTemplateView(hdrText: "Let's get you verified", imgName: "undraw_off_road_-9-oae", bottomActArea: AnyView(
VStack {
TextField("Code", text: self.$verificationCode)
.padding()
.background(.ultraThinMaterial)
.clipShape(Capsule())
.shadow(radius:10)
.font(.subheadline)
.multilineTextAlignment(.center)
.padding(.vertical)
.keyboardType(.phonePad)
.focused(self.$focusedInputField)
Text("Please allow up to 30 seconds to receive your code. Navigate back and re-enter phone number if you do not get the message.")
.font(.caption)
.foregroundColor(NirvanaColor.teal)
if self.verificationCode.count == 6 {
Button {
print("started verification process of code")
//disable focused textfield
self.focusedInputField = false
// show loading screen
self.isLoading.toggle()
// TODO: do all of this in view model authstore
// get it from the previous screen but from storage
let verificationID = UserDefaults.standard.string(forKey: "authVerificationID")
if verificationID == nil {
self.toastText = "There was an error validating your code."
self.showToast.toggle()
}
// if we got a value, then continue with verifying their code
let credential = PhoneAuthProvider.provider().credential(
withVerificationID: verificationID!,
verificationCode: self.verificationCode
)
// TODO: bug one: not navigating after creating user...two: creating user with a random Id
// firebase will now verify the credential
Auth.auth().signIn(with: credential) { (res, err) in
if err != nil {
self.isLoading.toggle()
self.toastText = "⚠️ Error with Verification"
self.toastSubMessage = "Code is invalid. Please try again or re-enter your phone number in the previous page."
self.showToast.toggle()
print((err?.localizedDescription)!)
return
}
//setting in key storage
UserDefaults.standard.set(true, forKey: "authVerificationID")
// firebase either created a new user or is giving back an existing user's id
let userId = res?.user.uid
let userPhoneNumber = res?.user.phoneNumber
print("firebase auth: user id that was authenticated is: \(userId)")
print("firebase auth: phone number that was authenticated is: \(userPhoneNumber)")
// if for some reason firebase couldn't get auth details
if userId == nil || userPhoneNumber == nil {
self.isLoading.toggle()
self.toastText = "⚠️ Error with Verification"
self.toastSubMessage = "Code is invalid. Please try again or re-enter your phone number in the previous page."
self.showToast.toggle()
print((err?.localizedDescription)!)
return
}
self.phoneverificationViewModel.createOrUpdateUser(userId: userId!, phoneNumber: userPhoneNumber!) {res in
switch res {
case .success(let msg):
// then sending to next page
self.navigationStack.push(OnboardingTrioView())
return
case .error(let error):
self.isLoading.toggle()
self.toastText = "⚠️ Error with Verification"
self.toastSubMessage = "Code is invalid. Please try again or re-enter your phone number in the previous page."
self.showToast.toggle()
print((err?.localizedDescription)!)
return
default: break
}
}
}
} label: {
Text("Verify")
.bold()
.foregroundColor(NirvanaColor.white)
.frame(maxWidth: .infinity)
.padding(.vertical, 20)
.background(NirvanaColor.teal)
.clipShape(Capsule())
.shadow(radius:10)
}
} else { // show dull button if didn't enter full phone number
Text("Verify")
.foregroundColor(Color.white.opacity(0.2))
.frame(maxWidth: .infinity)
.padding(.vertical, 20)
.background(Color.white.opacity(0.2))
.clipShape(Capsule())
.shadow(radius:10)
.animation(.default)
}
}
))
//back button to home
Button {
print("going back to last page")
self.navigationStack.pop() // goes back to welcome screen
} label: {
Label("Back", systemImage: "chevron.left")
.labelStyle(.iconOnly)
.foregroundColor(NirvanaColor.teal)
.padding()
}
if self.isLoading {
SplashView()
}
}
.alert(self.toastText, isPresented: self.$showToast) {
Button("OK", role: ButtonRole.cancel) { }
} message: {
Text(self.toastSubMessage)
}
}
}
struct PhoneCodeVerificationView_Previews: PreviewProvider {
static var previews: some View {
PhoneCodeVerificationView().environmentObject(AuthSessionStore())
}
}