prompt to update on ios

Shared/Extension/URL.swift

@@ -9,5 +9,6 @@ extension URL {
     static let email = URL(string: "mailto:support@tokenary.io")!
     static let iosSafariGuide = URL(string: "https://tokenary.io/guide-ios")!
     static let appStore = URL(string: "https://tokenary.io/get")!
+    static let updateApp = URL(string: "https://lil.org/update")!
     
 }

Shared/Services/ConfigurationService.swift

@@ -4,7 +4,12 @@ import Foundation
 
 class ConfigurationService {
     
-    var shouldUpdateApp = Defaults.didReceiveShouldUpdateAppNotification
+    var shouldPromptToUpdate: Bool {
+        return shouldUpdateApp && !didPropmtToUpdate
+    }
+    
+    private var shouldUpdateApp = Defaults.didReceiveShouldUpdateAppNotification
+    private var didPropmtToUpdate = false
     
     private struct ConfigurationResponse: Codable {
         let shouldUpdateApp: Bool
@@ -22,6 +27,10 @@ class ConfigurationService {
         }
     }
     
+    func didPromptToUpdate() {
+        didPropmtToUpdate = true
+    }
+    
     private func getConfiguration() {
         let url = URL(string: "https://tokenary.io/t-app-configuration")!
         let dataTask = urlSession.dataTask(with: url) { [weak self] (data, _, _) in

Shared/Strings.swift

@@ -93,5 +93,8 @@ struct Strings {
     static let switchAccountTwoLines = "Switch\nAccount"
     static let unknownNetwork = "Unknown network ⚠️"
     static let addAccountToConnect = "Add %@ account to connect"
+    static let thisAppVersionIsNoLongerSupported = "this app version is no longer supported 🥺"
+    static let pleaseGetANewOne = "please get a new one"
+    static let notNow = "not now"
     
 }

Tokenary iOS/Screens/Accounts/AccountsListViewController.swift

@@ -133,6 +133,7 @@ class AccountsListViewController: UIViewController, DataStateContainer {
     override func viewWillAppear(_ animated: Bool) {
         super.viewWillAppear(animated)
         processInput()
+        requestAnUpdateIfNeeded()
         didAppear = true
         DispatchQueue.main.async { [weak self] in
             let heightBefore = self?.navigationController?.navigationBar.frame.height ?? 0
@@ -147,6 +148,20 @@ class AccountsListViewController: UIViewController, DataStateContainer {
         }
     }
     
+    private func requestAnUpdateIfNeeded() {
+        let configurationService = ConfigurationService.shared
+        guard !didAppear, configurationService.shouldPromptToUpdate else { return }
+        configurationService.didPromptToUpdate()
+        let alert = UIAlertController(title: Strings.thisAppVersionIsNoLongerSupported, message: Strings.pleaseGetANewOne, preferredStyle: .alert)
+        let notNowAction = UIAlertAction(title: Strings.notNow, style: .destructive)
+        let okAction = UIAlertAction(title: Strings.ok, style: .default) { _ in
+            UIApplication.shared.open(URL.updateApp)
+        }
+        alert.addAction(notNowAction)
+        alert.addAction(okAction)
+        present(alert, animated: true)
+    }
+    
     private func scrollToTheFirst(_ specificWalletAccounts: Set<SpecificWalletAccount>) {
         for (sectionIndex, section) in sections.enumerated() {
             for (row, cellModel) in section.items.enumerated() {