Update suggestions (IOS-190)

Mastodon/Coordinator/SceneCoordinator.swift

@@ -562,18 +562,29 @@ private extension SceneCoordinator {
 //MARK: - Loading
 
 public extension SceneCoordinator {
+
     @MainActor
     func showLoading() {
-        guard let rootViewController else { return }
+        showLoading(on: rootViewController)
+    }
 
-        MBProgressHUD.showAdded(to: rootViewController.view, animated: true)
+    @MainActor
+    func showLoading(on viewController: UIViewController?) {
+        guard let viewController else { return }
+
+        MBProgressHUD.showAdded(to: viewController.view, animated: true)
     }
 
     @MainActor
     func hideLoading() {
-        guard let rootViewController else { return }
+        hideLoading(on: rootViewController)
+    }
 
-        MBProgressHUD.hide(for: rootViewController.view, animated: true)
+    @MainActor
+    func hideLoading(on viewController: UIViewController?) {
+        guard let viewController else { return }
+
+        MBProgressHUD.hide(for: viewController.view, animated: true)
     }
 }
 

Mastodon/Scene/SuggestionAccount/SuggestionAccountViewController.swift

@@ -38,7 +38,6 @@ class SuggestionAccountViewController: UIViewController, NeedsDependency {
         setupNavigationBarAppearance()
         defer { setupNavigationBarBackgroundView() }
 
-
         title = L10n.Scene.SuggestionAccount.title
         navigationItem.rightBarButtonItem = UIBarButtonItem(
             barButtonSystemItem: UIBarButtonItem.SystemItem.done,
@@ -72,6 +71,8 @@ class SuggestionAccountViewController: UIViewController, NeedsDependency {
         navigationItem.largeTitleDisplayMode = .automatic
 
         tableView.deselectRow(with: transitionCoordinator, animated: animated)
+
+        viewModel.updateSuggestions()
     }
 
     //MARK: - Actions
@@ -122,8 +123,9 @@ extension SuggestionAccountViewController: SuggestionAccountTableViewCellDelegat
 
 extension SuggestionAccountViewController: SuggestionAccountTableViewFooterDelegate {
     func followAll(_ footerView: SuggestionAccountTableViewFooter) {
-        viewModel.followAllSuggestedAccounts(self) {
+        viewModel.followAllSuggestedAccounts(self, presentedOn: self.navigationController) {
             DispatchQueue.main.async {
+                self.coordinator.hideLoading(on: self.navigationController)
                 self.dismiss(animated: true)
             }
         }

Mastodon/Scene/SuggestionAccount/SuggestionAccountViewModel.swift

@@ -42,7 +42,11 @@ final class SuggestionAccountViewModel: NSObject {
 
         super.init()
 
-        // fetch recommended users
+        updateSuggestions()
+    }
+
+
+    func updateSuggestions() {
         Task {
             var suggestedAccounts: [Mastodon.Entity.V2.SuggestionAccount] = []
             do {
@@ -106,11 +110,12 @@ final class SuggestionAccountViewModel: NSObject {
             .store(in: &disposeBag)
     }
 
-    func followAllSuggestedAccounts(_ dependency: NeedsDependency & AuthContextProvider, completion: (() -> Void)? = nil) {
+    func followAllSuggestedAccounts(_ dependency: NeedsDependency & AuthContextProvider, presentedOn: UIViewController?, completion: (() -> Void)? = nil) {
 
         let tmpAccounts = accounts.compactMap { $0.account }
 
         Task {
+            await dependency.coordinator.showLoading(on: presentedOn)
             await withTaskGroup(of: Void.self, body: { taskGroup in
                 for account in tmpAccounts {
                     taskGroup.addTask {