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mastodon-app-ufficiale-ipho.../MastodonSDK/Sources/MastodonUI/View/Content/ProfileCardView+ViewModel.swift

231 lines
8.7 KiB
Swift

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