Tusker/Tusker/API/CreateListService.swift

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//
// CreateListService.swift
// Tusker
//
// Created by Shadowfacts on 11/11/22.
// Copyright © 2022 Shadowfacts. All rights reserved.
//
import UIKit
import Pachyderm
@MainActor
class CreateListService {
private let mastodonController: MastodonController
private let present: (UIViewController) -> Void
private let didCreateList: (@MainActor (List) -> Void)?
private var createAction: UIAlertAction?
init(mastodonController: MastodonController, present: @escaping (UIViewController) -> Void, didCreateList: (@MainActor (List) -> Void)?) {
self.mastodonController = mastodonController
self.present = present
self.didCreateList = didCreateList
}
func run() {
let alert = UIAlertController(title: NSLocalizedString("New List", comment: "new list alert title"), message: NSLocalizedString("Choose a title for your new list", comment: "new list alert message"), preferredStyle: .alert)
alert.addTextField { textField in
textField.addTarget(self, action: #selector(self.alertTextFieldValueChanged), for: .editingChanged)
}
alert.addAction(UIAlertAction(title: NSLocalizedString("Cancel", comment: "new list alert cancel button"), style: .cancel, handler: nil))
createAction = UIAlertAction(title: NSLocalizedString("Create List", comment: "new list create button"), style: .default, handler: { (_) in
let textField = alert.textFields!.first!
let title = textField.text ?? ""
Task {
await self.createList(with: title)
}
})
createAction!.isEnabled = false
alert.addAction(createAction!)
present(alert)
}
@objc private func alertTextFieldValueChanged(_ textField: UITextField) {
createAction?.isEnabled = textField.text?.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty == false
}
private func createList(with title: String) async {
do {
let request = Client.createList(title: title)
let (list, _) = try await mastodonController.run(request)
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mastodonController.addedList(list)
self.didCreateList?(list)
} catch {
let alert = UIAlertController(title: "Error Creating List", message: error.localizedDescription, preferredStyle: .alert)
alert.addAction(UIAlertAction(title: "Cancel", style: .cancel))
alert.addAction(UIAlertAction(title: "Retry", style: .default, handler: { _ in
Task {
await self.createList(with: title)
}
}))
present(alert)
}
}
}