forked from zelo72/mastodon-ios
49 lines
1.4 KiB
Swift
49 lines
1.4 KiB
Swift
//
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// AuthenticationViewModel.swift
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// Mastodon
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//
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// Created by MainasuK Cirno on 2021/2/1.
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//
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import Foundation
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import Combine
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final class AuthenticationViewModel {
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var disposeBag = Set<AnyCancellable>()
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// input
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let input = CurrentValueSubject<String, Never>("")
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// output
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let domain = CurrentValueSubject<String?, Never>(nil)
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let isSignInButtonEnabled = CurrentValueSubject<Bool, Never>(false)
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init() {
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input
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.map { input in
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let trimmed = input.trimmingCharacters(in: .whitespacesAndNewlines).lowercased()
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guard !trimmed.isEmpty else { return nil }
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let urlString = trimmed.hasPrefix("https://") ? trimmed : "https://" + trimmed
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guard let url = URL(string: urlString),
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let host = url.host else {
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return nil
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}
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let components = host.components(separatedBy: ".")
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guard (components.filter { !$0.isEmpty }).count >= 2 else { return nil }
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return host
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}
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.assign(to: \.value, on: domain)
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.store(in: &disposeBag)
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domain
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.print()
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.map { $0 != nil }
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.assign(to: \.value, on: isSignInButtonEnabled)
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.store(in: &disposeBag)
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}
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}
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