385 lines
13 KiB
Swift
385 lines
13 KiB
Swift
import SwiftUI
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import Foundation
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struct ContactsTab: View {
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@State private var contacts: [Contact] = []
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@State private var isLoading = false
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@State private var loadError: String?
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@State private var pagingError: String?
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@State private var activeAlert: ContactsAlert?
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@State private var hasMore = true
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@State private var offset = 0
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private let contactsService = ContactsService()
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private let pageSize = 25
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var body: some View {
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List {
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if isLoading && contacts.isEmpty {
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loadingState
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}
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if let loadError, contacts.isEmpty {
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errorState(loadError)
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} else if contacts.isEmpty {
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emptyState
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} else {
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ForEach(Array(contacts.enumerated()), id: \.element.id) { index, contact in
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Button {
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showContactPlaceholder(for: contact)
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} label: {
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ContactRow(contact: contact)
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.contentShape(Rectangle())
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}
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.buttonStyle(.plain)
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.contextMenu {
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Button {
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handleContactAction(.edit, for: contact)
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} label: {
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Label(
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NSLocalizedString("Изменить контакт", comment: "Contacts context action edit"),
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systemImage: "square.and.pencil"
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)
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}
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Button {
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handleContactAction(.block, for: contact)
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} label: {
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Label(
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NSLocalizedString("Заблокировать контакт", comment: "Contacts context action block"),
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systemImage: "hand.raised.fill"
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)
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}
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Button(role: .destructive) {
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handleContactAction(.delete, for: contact)
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} label: {
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Label(
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NSLocalizedString("Удалить контакт", comment: "Contacts context action delete"),
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systemImage: "trash"
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)
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}
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}
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.listRowInsets(EdgeInsets(top: 0, leading: 12, bottom: 0, trailing: 12))
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.onAppear {
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if index >= contacts.count - 5 {
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Task {
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await loadContacts(reset: false)
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}
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}
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}
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}
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if isLoading && !contacts.isEmpty {
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loadingState
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} else if let pagingError, !contacts.isEmpty {
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pagingErrorState(pagingError)
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}
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}
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}
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.background(Color(UIColor.systemBackground))
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.listStyle(.plain)
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.task {
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await loadContacts(reset: false)
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}
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.refreshable {
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await refreshContacts()
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}
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.alert(item: $activeAlert) { alert in
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switch alert {
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case .error(_, let message):
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return Alert(
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title: Text(NSLocalizedString("Ошибка", comment: "Contacts load error title")),
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message: Text(message),
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dismissButton: .default(Text(NSLocalizedString("OK", comment: "Common OK")))
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)
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case .info(_, let title, let message):
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return Alert(
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title: Text(title),
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message: Text(message),
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dismissButton: .default(Text(NSLocalizedString("OK", comment: "Common OK")))
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)
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}
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}
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}
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private var loadingState: some View {
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HStack {
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Spacer()
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ProgressView()
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.progressViewStyle(CircularProgressViewStyle())
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Spacer()
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}
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.padding(.vertical, 18)
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.listRowInsets(EdgeInsets(top: 18, leading: 12, bottom: 18, trailing: 12))
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.listRowSeparator(.hidden)
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}
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private func errorState(_ message: String) -> some View {
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HStack(alignment: .center, spacing: 8) {
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Image(systemName: "exclamationmark.triangle.fill")
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.foregroundColor(.orange)
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Text(message)
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.font(.subheadline)
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.foregroundColor(.orange)
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Spacer()
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Button(action: { Task { await refreshContacts() } }) {
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Text(NSLocalizedString("Обновить", comment: "Contacts retry button"))
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.font(.subheadline)
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}
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}
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.padding(.vertical, 10)
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.listRowInsets(EdgeInsets(top: 10, leading: 12, bottom: 10, trailing: 12))
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.listRowSeparator(.hidden)
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}
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private func pagingErrorState(_ message: String) -> some View {
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HStack(alignment: .center, spacing: 8) {
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Image(systemName: "exclamationmark.triangle.fill")
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.foregroundColor(.orange)
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Text(message)
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.font(.subheadline)
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.foregroundColor(.orange)
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Spacer()
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Button(action: { Task { await loadContacts(reset: false) } }) {
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Text(NSLocalizedString("Обновить", comment: "Contacts retry button"))
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.font(.subheadline)
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}
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}
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.padding(.vertical, 10)
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.listRowInsets(EdgeInsets(top: 10, leading: 12, bottom: 10, trailing: 12))
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.listRowSeparator(.hidden)
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}
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private var emptyState: some View {
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VStack(spacing: 12) {
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Image(systemName: "person.crop.circle.badge.questionmark")
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.font(.system(size: 52))
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.foregroundColor(.secondary)
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Text(NSLocalizedString("Контактов пока нет", comment: "Contacts empty state title"))
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.font(.headline)
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.multilineTextAlignment(.center)
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Text(NSLocalizedString("Добавьте контакты, чтобы быстрее выходить на связь.", comment: "Contacts empty state subtitle"))
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.font(.subheadline)
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.foregroundColor(.secondary)
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.multilineTextAlignment(.center)
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}
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.frame(maxWidth: .infinity)
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.padding(.vertical, 28)
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.listRowInsets(EdgeInsets(top: 20, leading: 12, bottom: 20, trailing: 12))
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.listRowSeparator(.hidden)
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}
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@MainActor
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private func refreshContacts() async {
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hasMore = true
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offset = 0
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pagingError = nil
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loadError = nil
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contacts.removeAll()
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await loadContacts(reset: true)
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}
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@MainActor
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private func loadContacts(reset: Bool) async {
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if isLoading { return }
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if !reset && !hasMore { return }
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isLoading = true
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if offset == 0 {
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loadError = nil
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}
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pagingError = nil
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do {
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let payload = try await contactsService.fetchContacts(limit: pageSize, offset: offset)
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let newContacts = payload.items.map(Contact.init)
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if reset {
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contacts = newContacts
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} else {
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contacts.append(contentsOf: newContacts)
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}
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offset += newContacts.count
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hasMore = payload.hasMore
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} catch {
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let message = error.localizedDescription
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if contacts.isEmpty {
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loadError = message
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} else {
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pagingError = message
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}
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if AppConfig.DEBUG { print("[ContactsTab] load contacts failed: \(error)") }
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}
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isLoading = false
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}
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private func showContactPlaceholder(for contact: Contact) {
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activeAlert = .info(
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title: NSLocalizedString("Скоро", comment: "Contacts placeholder title"),
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message: String(
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format: NSLocalizedString("Просмотр \"%1$@\" появится позже.", comment: "Contacts placeholder message"),
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contact.displayName
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)
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)
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}
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private func handleContactAction(_ action: ContactAction, for contact: Contact) {
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activeAlert = .info(
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title: NSLocalizedString("Скоро", comment: "Contacts placeholder title"),
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message: action.placeholderMessage(for: contact)
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)
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}
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}
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private struct ContactRow: View {
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let contact: Contact
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var body: some View {
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HStack(alignment: .top, spacing: 10) {
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Circle()
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.fill(Color.accentColor.opacity(0.15))
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.frame(width: 40, height: 40)
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.overlay(
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Text(contact.initials)
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.font(.headline)
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.foregroundColor(.accentColor)
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)
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VStack(alignment: .leading, spacing: 3) {
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HStack(alignment: .firstTextBaseline) {
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Text(contact.displayName)
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.font(.subheadline.weight(.semibold))
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.foregroundColor(.primary)
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Spacer()
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Text(contact.formattedCreatedAt)
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.font(.caption2)
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.foregroundColor(.secondary)
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}
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if let handle = contact.handle {
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Text(handle)
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.font(.caption2)
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.foregroundColor(.secondary)
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}
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if contact.friendCode {
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friendCodeBadge
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}
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}
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.frame(maxWidth: .infinity, alignment: .leading)
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}
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.padding(.vertical, 6)
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}
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private var friendCodeBadge: some View {
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Text(NSLocalizedString("Код дружбы", comment: "Friend code badge"))
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.font(.caption2.weight(.medium))
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.foregroundColor(Color.accentColor)
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.padding(.horizontal, 6)
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.padding(.vertical, 3)
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.background(Color.accentColor.opacity(0.12))
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.clipShape(Capsule())
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}
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}
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private struct Contact: Identifiable, Equatable {
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let id: UUID
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let login: String
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let fullName: String?
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let customName: String?
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let friendCode: Bool
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let createdAt: Date
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let displayName: String
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let handle: String?
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var initials: String {
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let components = displayName.split(separator: " ")
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let nameInitials = components.prefix(2).compactMap { $0.first }
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if !nameInitials.isEmpty {
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return nameInitials
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.map { String($0).uppercased() }
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.joined()
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}
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let filtered = login.filter { $0.isLetter }.prefix(2)
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if !filtered.isEmpty {
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return filtered.uppercased()
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}
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return "??"
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}
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var formattedCreatedAt: String {
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Self.relativeFormatter.localizedString(for: createdAt, relativeTo: Date())
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}
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init(payload: ContactPayload) {
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self.id = payload.userId
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self.login = payload.login
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self.fullName = payload.fullName
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self.customName = payload.customName
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self.friendCode = payload.friendCode
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self.createdAt = payload.createdAt
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if let customName = payload.customName, !customName.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty {
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self.displayName = customName
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} else if let fullName = payload.fullName, !fullName.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty {
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self.displayName = fullName
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} else {
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self.displayName = payload.login
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}
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if !payload.login.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty {
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self.handle = "@\(payload.login)"
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} else {
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self.handle = nil
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}
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}
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private static let relativeFormatter: RelativeDateTimeFormatter = {
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let formatter = RelativeDateTimeFormatter()
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formatter.unitsStyle = .short
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return formatter
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}()
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}
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private enum ContactsAlert: Identifiable {
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case error(id: UUID = UUID(), message: String)
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case info(id: UUID = UUID(), title: String, message: String)
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var id: String {
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switch self {
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case .error(let id, _), .info(let id, _, _):
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return id.uuidString
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}
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}
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}
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private enum ContactAction {
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case edit
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case block
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case delete
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func placeholderMessage(for contact: Contact) -> String {
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switch self {
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case .edit:
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return String(
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format: NSLocalizedString("Изменение контакта \"%1$@\" появится позже.", comment: "Contacts edit placeholder message"),
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contact.displayName
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)
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case .block:
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return String(
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format: NSLocalizedString("Блокировка контакта \"%1$@\" появится позже.", comment: "Contacts block placeholder message"),
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contact.displayName
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)
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case .delete:
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return String(
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format: NSLocalizedString("Удаление контакта \"%1$@\" появится позже.", comment: "Contacts delete placeholder message"),
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contact.displayName
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)
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}
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}
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}
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