231 lines
8.7 KiB
Swift
231 lines
8.7 KiB
Swift
//
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// ProfileCardView+ViewModel.swift
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//
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//
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// Created by MainasuK on 2022-4-14.
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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 AlamofireImage
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import CoreDataStack
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import MastodonLocalization
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import MastodonAsset
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import MastodonSDK
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extension ProfileCardView {
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public class ViewModel: ObservableObject {
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let logger = Logger(subsystem: "ProfileCardView", category: "ViewModel")
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var disposeBag = Set<AnyCancellable>()
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public let relationshipViewModel = RelationshipViewModel()
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@Published public var userInterfaceStyle: UIUserInterfaceStyle?
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@Published public var backgroundColor: UIColor?
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// Author
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@Published public var authorBannerImageURL: URL?
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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 bioContent: MetaContent?
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@Published public var statusesCount: Int?
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@Published public var followingCount: Int?
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@Published public var followersCount: Int?
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@Published public var isUpdating = false
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@Published public var isFollowedBy = 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 isBlockedBy = false
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@Published public var groupedAccessibilityLabel = ""
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@Published public var familiarFollowers: Mastodon.Entity.FamiliarFollowers?
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init() {
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backgroundColor = ThemeService.shared.currentTheme.value.systemBackgroundColor
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Publishers.CombineLatest(
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ThemeService.shared.currentTheme,
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$userInterfaceStyle
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)
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.sink { [weak self] theme, userInterfaceStyle in
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guard let self = self else { return }
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guard let userInterfaceStyle = userInterfaceStyle else { return }
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switch userInterfaceStyle {
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case .dark:
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self.backgroundColor = theme.systemBackgroundColor
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case .light, .unspecified:
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self.backgroundColor = Asset.Scene.Discovery.profileCardBackground.color
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@unknown default:
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self.backgroundColor = Asset.Scene.Discovery.profileCardBackground.color
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assertionFailure()
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// do nothing
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}
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}
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.store(in: &disposeBag)
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}
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}
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}
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extension ProfileCardView.ViewModel {
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func bind(view: ProfileCardView) {
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bindAppearacne(view: view)
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bindHeader(view: view)
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bindUser(view: view)
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bindBio(view: view)
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bindRelationship(view: view)
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bindDashboard(view: view)
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bindFamiliarFollowers(view: view)
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bindAccessibility(view: view)
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}
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private func bindAppearacne(view: ProfileCardView) {
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userInterfaceStyle = view.traitCollection.userInterfaceStyle
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$backgroundColor
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.assign(to: \.backgroundColor, on: view.container)
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.store(in: &disposeBag)
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$backgroundColor
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.assign(to: \.backgroundColor, on: view.avatarButtonBackgroundView)
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.store(in: &disposeBag)
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}
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private func bindHeader(view: ProfileCardView) {
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$authorBannerImageURL
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.sink { url in
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guard let url = url else { return }
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view.bannerImageView.af.setImage(
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withURL: url,
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placeholderImage: .placeholder(color: .systemGray3),
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imageTransition: .crossDissolve(0.3)
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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 bindUser(view: ProfileCardView) {
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$authorAvatarImageURL
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.sink { url in
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view.avatarButton.avatarImageView.configure(
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configuration: .init(
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url: url,
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placeholder: .placeholder(color: .systemGray3)
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)
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)
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view.avatarButton.avatarImageView.configure(
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cornerConfiguration: .init(corner: .fixed(radius: 12))
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)
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}
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.store(in: &disposeBag)
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// name
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$authorName
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.sink { metaContent in
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let metaContent = metaContent ?? PlaintextMetaContent(string: " ")
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view.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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view.authorUsernameLabel.configure(content: metaContent)
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}
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.store(in: &disposeBag)
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}
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private func bindBio(view: ProfileCardView) {
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$bioContent
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.sink { metaContent in
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let metaContent = metaContent ?? PlaintextMetaContent(string: " ")
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view.bioMetaText.configure(content: metaContent)
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}
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.store(in: &disposeBag)
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}
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private func bindRelationship(view: ProfileCardView) {
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relationshipViewModel.$optionSet
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.receive(on: DispatchQueue.main)
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.sink { relationshipActionSet in
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let relationshipActionSet = relationshipActionSet ?? .follow
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view.relationshipActionButton.configure(actionOptionSet: relationshipActionSet)
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}
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.store(in: &disposeBag)
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}
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private func bindDashboard(view: ProfileCardView) {
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$statusesCount
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.receive(on: DispatchQueue.main)
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.sink { count in
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let text = count.flatMap { MastodonMetricFormatter().string(from: $0) } ?? "-"
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view.statusDashboardView.postDashboardMeterView.numberLabel.text = text
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view.statusDashboardView.postDashboardMeterView.isAccessibilityElement = true
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view.statusDashboardView.postDashboardMeterView.accessibilityLabel = L10n.Plural.Count.post(count ?? 0)
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}
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.store(in: &disposeBag)
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$followingCount
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.receive(on: DispatchQueue.main)
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.sink { count in
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let text = count.flatMap { MastodonMetricFormatter().string(from: $0) } ?? "-"
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view.statusDashboardView.followingDashboardMeterView.numberLabel.text = text
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view.statusDashboardView.followingDashboardMeterView.isAccessibilityElement = true
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view.statusDashboardView.followingDashboardMeterView.accessibilityLabel = L10n.Plural.Count.following(count ?? 0)
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}
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.store(in: &disposeBag)
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$followersCount
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.receive(on: DispatchQueue.main)
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.sink { count in
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let text = count.flatMap { MastodonMetricFormatter().string(from: $0) } ?? "-"
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view.statusDashboardView.followersDashboardMeterView.numberLabel.text = text
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view.statusDashboardView.followersDashboardMeterView.isAccessibilityElement = true
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view.statusDashboardView.followersDashboardMeterView.accessibilityLabel = L10n.Plural.Count.follower(count ?? 0)
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}
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.store(in: &disposeBag)
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}
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private func bindFamiliarFollowers(view: ProfileCardView) {
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$familiarFollowers
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.sink { familiarFollowers in
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view.familiarFollowersDashboardViewAdaptiveMarginContainerView.isHidden = familiarFollowers.flatMap { $0.accounts.isEmpty } ?? true
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view.familiarFollowersDashboardView.configure(familiarFollowers: familiarFollowers)
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}
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.store(in: &disposeBag)
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$backgroundColor
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.assign(to: \.backgroundColor, on: view.familiarFollowersDashboardView.viewModel)
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.store(in: &disposeBag)
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}
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private func bindAccessibility(view: ProfileCardView) {
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let authorAccessibilityLabel = Publishers.CombineLatest(
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$authorName,
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$bioContent
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)
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.map { authorName, bioContent -> String? in
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var strings: [String?] = []
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strings.append(authorName?.string)
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strings.append(bioContent?.string)
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return strings.compactMap { $0 }.joined(separator: ", ")
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}
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authorAccessibilityLabel
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.map { $0 ?? "" }
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.assign(to: &$groupedAccessibilityLabel)
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$groupedAccessibilityLabel
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.sink { accessibilityLabel in
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view.accessibilityLabel = accessibilityLabel
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}
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.store(in: &disposeBag)
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}
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}
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