150 lines
5.2 KiB
Swift
150 lines
5.2 KiB
Swift
//
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// NotificationView+ViewModel.swift
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//
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//
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// Created by MainasuK on 2022-1-21.
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//
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import os.log
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import UIKit
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import Combine
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import Meta
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import MastodonSDK
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import MastodonAsset
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import MastodonLocalization
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import MastodonExtension
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extension NotificationView {
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public final class ViewModel: ObservableObject {
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public var disposeBag = Set<AnyCancellable>()
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let logger = Logger(subsystem: "NotificationView", category: "ViewModel")
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@Published public var userIdentifier: UserIdentifier? // me
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@Published public var notificationIndicatorText: MetaContent?
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@Published public var authorAvatarImage: UIImage?
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@Published public var authorAvatarImageURL: URL?
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@Published public var authorName: MetaContent?
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@Published public var authorUsername: String?
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@Published public var isMyself = false
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@Published public var isMuting = false
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@Published public var isBlocking = false
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@Published public var timestamp: Date?
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let timestampUpdatePublisher = Timer.publish(every: 1.0, on: .main, in: .common)
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.autoconnect()
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.share()
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.eraseToAnyPublisher()
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}
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}
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extension NotificationView.ViewModel {
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func bind(notificationView: NotificationView) {
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bindAuthor(notificationView: notificationView)
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bindAuthorMenu(notificationView: notificationView)
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$userIdentifier
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.assign(to: \.userIdentifier, on: notificationView.statusView.viewModel)
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.store(in: &disposeBag)
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$userIdentifier
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.assign(to: \.userIdentifier, on: notificationView.quoteStatusView.viewModel)
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.store(in: &disposeBag)
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}
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private func bindAuthor(notificationView: NotificationView) {
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// avatar
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Publishers.CombineLatest(
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$authorAvatarImage,
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$authorAvatarImageURL
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)
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.sink { image, url in
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let configuration: AvatarImageView.Configuration = {
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if let image = image {
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return AvatarImageView.Configuration(image: image)
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} else {
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return AvatarImageView.Configuration(url: url)
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}
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}()
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notificationView.avatarButton.avatarImageView.configure(configuration: configuration)
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notificationView.avatarButton.avatarImageView.configure(cornerConfiguration: .init(corner: .fixed(radius: 12)))
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}
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.store(in: &disposeBag)
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// name
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$authorName
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.sink { metaContent in
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let metaContent = metaContent ?? PlaintextMetaContent(string: " ")
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notificationView.authorNameLabel.configure(content: metaContent)
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}
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.store(in: &disposeBag)
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// username
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$authorUsername
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.map { text -> String in
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guard let text = text else { return "" }
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return "@\(text)"
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}
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.sink { username in
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let metaContent = PlaintextMetaContent(string: username)
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notificationView.authorUsernameLabel.configure(content: metaContent)
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}
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.store(in: &disposeBag)
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// timestamp
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Publishers.CombineLatest(
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$timestamp,
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timestampUpdatePublisher.prepend(Date()).eraseToAnyPublisher()
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)
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.sink { [weak self] timestamp, _ in
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guard let self = self else { return }
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guard let timestamp = timestamp else {
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notificationView.dateLabel.configure(content: PlaintextMetaContent(string: ""))
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return
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}
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let text = timestamp.localizedTimeAgoSinceNow
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notificationView.dateLabel.configure(content: PlaintextMetaContent(string: text))
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}
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.store(in: &disposeBag)
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// notification type indicator
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$notificationIndicatorText
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.sink { text in
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if let text = text {
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notificationView.notificationTypeIndicatorLabel.configure(content: text)
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} else {
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notificationView.notificationTypeIndicatorLabel.reset()
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}
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}
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.store(in: &disposeBag)
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}
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private func bindAuthorMenu(notificationView: NotificationView) {
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Publishers.CombineLatest4(
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$authorName,
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$isMuting,
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$isBlocking,
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$isMyself
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)
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.sink { authorName, isMuting, isBlocking, isMyself in
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guard let name = authorName?.string else {
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notificationView.menuButton.menu = nil
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return
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}
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let menuContext = NotificationView.AuthorMenuContext(
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name: name,
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isMuting: isMuting,
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isBlocking: isBlocking,
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isMyself: isMyself
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)
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notificationView.menuButton.menu = notificationView.setupAuthorMenu(menuContext: menuContext)
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notificationView.menuButton.showsMenuAsPrimaryAction = true
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notificationView.menuButton.isHidden = menuContext.isMyself
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}
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.store(in: &disposeBag)
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}
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}
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