diff --git a/Tusker/Screens/Explore/AddSavedHashtagViewController.swift b/Tusker/Screens/Explore/AddSavedHashtagViewController.swift index a0bcee2f93..5439e63da0 100644 --- a/Tusker/Screens/Explore/AddSavedHashtagViewController.swift +++ b/Tusker/Screens/Explore/AddSavedHashtagViewController.swift @@ -114,7 +114,63 @@ class AddSavedHashtagViewController: UIViewController, CollectionViewController } private func selectHashtag(_ hashtag: Hashtag) { - show(HashtagTimelineViewController(for: hashtag, mastodonController: mastodonController), sender: nil) + let vc = HashtagTimelineViewController(for: hashtag, mastodonController: mastodonController) + vc.loadViewIfNeeded() + + let mastodonController = mastodonController! + let context = mastodonController.persistentContainer.viewContext + let existingSaved = try? context.fetch(SavedHashtag.fetchRequest(name: hashtag.name, account: mastodonController.accountInfo!)).first + let saveItem = UIBarButtonItem() + func updateSaveItem(saved: Bool) { + saveItem.title = saved ? "Unsave Hashag" : "Save Hashtag" + saveItem.image = UIImage(systemName: saved ? "minus" : "plus") + } + saveItem.primaryAction = UIAction(handler: { [unowned self] _ in + // re-fetch this in case the button's been tapped before and the captured var would be out of date + let existingSaved = try? context.fetch(SavedHashtag.fetchRequest(name: hashtag.name, account: mastodonController.accountInfo!)).first + if let existingSaved { + context.delete(existingSaved) + } else { + _ = SavedHashtag(hashtag: hashtag, account: mastodonController.accountInfo!, context: context) + } + mastodonController.persistentContainer.save(context: context) + updateSaveItem(saved: existingSaved == nil) + if existingSaved == nil { + self.presentingViewController?.dismiss(animated: true) + } + }) + // setting primaryAction replace's the bar button's title/image with the action, so do this after + updateSaveItem(saved: existingSaved != nil) + + vc.navigationItem.rightBarButtonItems = [ + saveItem, + ] + + if mastodonController.instanceFeatures.canFollowHashtags { + let existingFollowed = mastodonController.followedHashtags.first(where: { $0.name.lowercased() == hashtag.name }) + let followItem = UIBarButtonItem() + func updateFollowItem(followed: Bool) { + followItem.title = followed ? "Unfollow Hashtag" : "Follow Hashtag" + followItem.image = UIImage(systemName: "person.badge.\(followed ? "minus" : "plus")") + } + followItem.primaryAction = UIAction(handler: { [unowned self] _ in + Task { + let success = await ToggleFollowHashtagService(hashtagName: hashtag.name, presenter: self).toggleFollow() + if success { + let followed = mastodonController.followedHashtags.contains(where: { $0.name.lowercased() == hashtag.name }) + updateFollowItem(followed: followed) + if followed { + self.presentingViewController?.dismiss(animated: true) + } + } + } + }) + updateFollowItem(followed: existingFollowed != nil) + + vc.navigationItem.rightBarButtonItems!.append(followItem) + } + + show(vc, sender: self) } // MARK: - Interaction @@ -150,3 +206,7 @@ extension AddSavedHashtagViewController: SearchResultsViewControllerDelegate { selectHashtag(hashtag) } } + +extension AddSavedHashtagViewController: TuskerNavigationDelegate { + var apiController: MastodonController! { mastodonController } +}