apollo-clipboard.swift

func checkClipboardForRedditURL() {
    guard let url = UIPasteboard.general.url else { return }
    guard url != UserDefaults.standard.url(forKey: DefaultsKeys.previouslyAskedLaunchURL) && url != UserDefaults.standard.url(forKey: DefaultsKeys.mostRecentSharedURLSoNotToAskOnLaunch) else { return }
    guard let contentType = ContentIdentifier.shared.contentType(forURL: url, link: nil, moreTimeNeededHandler: nil), contentType.isRedditType else { return }

    let alertController = ApolloUIAlertController(title: "Reddit Link Detected", message: "You have a Reddit link on your clipboard. Would you like to open it?", preferredStyle: .alert)

    alertController.addAction(UIAlertAction(title: "Open", style: .default, handler: { [weak self] (action) in
        guard let self = self else { return }

        switch contentType {
        case .redditComments(let linkID, let subreddit, let commentID, let context):
            let commentsViewController = CommentsViewController(linkID: linkID, commentID: commentID, subreddit: subreddit, context: context)
            self.open(viewController: commentsViewController)
        case .redditUser(let username):
            let profileViewController = ProfileViewController(profileType: .user(username: username))
            self.open(viewController: profileViewController)
        case .subreddit(let subredditName):
            let postsViewController = PostsViewController(initialPostsType: .subreddit(subredditName: subredditName))
            self.open(viewController: postsViewController)
        case .multireddit(let username, let name):
            let postsViewController = PostsViewController(initialPostsType: .multireddit(multiredditName: name, username: username))
            self.open(viewController: postsViewController)
        default:
            return
        }
    }))

    alertController.addAction(UIAlertAction(title: "Cancel", style: .cancel, handler: nil))

    visibleViewController()?.present(alertController, animated: true, completion: nil)

    UserDefaults.standard.set(url, forKey: DefaultsKeys.previouslyAskedLaunchURL)
}