149 lines
4.3 KiB
Swift
149 lines
4.3 KiB
Swift
//
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// Copyright 2021-2024 New Vector Ltd.
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//
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// SPDX-License-Identifier: AGPL-3.0-only
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// Please see LICENSE in the repository root for full details.
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//
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import SwiftUI
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struct PollHistory: View {
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@Environment(\.theme) private var theme
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@ObservedObject var viewModel: PollHistoryViewModel.Context
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var body: some View {
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VStack {
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SegmentedPicker(
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segments: PollHistoryMode.allCases,
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selection: $viewModel.mode,
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interSegmentSpacing: 14
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)
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.frame(maxWidth: .infinity, alignment: .leading)
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.padding(.horizontal, 16)
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content
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}
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.padding(.top, 32)
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.frame(maxWidth: .infinity, maxHeight: .infinity)
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.background(theme.colors.background.ignoresSafeArea())
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.accentColor(theme.colors.accent)
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.navigationTitle(VectorL10n.pollHistoryTitle)
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.onAppear {
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viewModel.send(viewAction: .viewAppeared)
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}
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.onChange(of: viewModel.mode) { _ in
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viewModel.send(viewAction: .segmentDidChange)
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}
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.alert(item: $viewModel.alertInfo) {
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$0.alert
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}
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}
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@ViewBuilder
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private var content: some View {
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if viewModel.viewState.polls == nil {
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loadingView
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} else if viewModel.viewState.polls?.isEmpty == true {
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noPollsView
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} else {
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pollListView
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}
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}
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private var pollListView: some View {
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ScrollView {
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LazyVStack(spacing: 32) {
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ForEach(viewModel.viewState.polls ?? []) { pollData in
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Button(action: {
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viewModel.send(viewAction: .showPollDetail(poll: pollData))
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}) {
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PollListItem(pollData: pollData)
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}
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}
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.frame(maxWidth: .infinity, alignment: .leading)
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loadMoreButton
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.frame(maxWidth: .infinity, alignment: .leading)
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}
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.padding(.top, 32)
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.padding(.horizontal, 16)
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}
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}
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@ViewBuilder
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private var loadMoreButton: some View {
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if viewModel.viewState.canLoadMoreContent {
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HStack(spacing: 8) {
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if viewModel.viewState.isLoading {
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spinner
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}
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Button {
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viewModel.send(viewAction: .loadMoreContent)
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} label: {
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Text(VectorL10n.pollHistoryLoadMore)
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.font(theme.fonts.body)
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}
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.accessibilityIdentifier("PollHistory.loadMore")
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.disabled(viewModel.viewState.isLoading)
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}
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}
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}
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private var spinner: some View {
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ProgressView()
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.progressViewStyle(CircularProgressViewStyle())
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}
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private var noPollsView: some View {
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VStack(spacing: 32) {
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Text(viewModel.emptyPollsText)
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.font(theme.fonts.body)
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.multilineTextAlignment(.center)
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.foregroundColor(theme.colors.secondaryContent)
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.padding(.horizontal, 16)
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.accessibilityIdentifier("PollHistory.emptyText")
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if viewModel.viewState.canLoadMoreContent {
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loadMoreButton
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}
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}
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.frame(maxHeight: .infinity)
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}
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private var loadingView: some View {
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HStack(spacing: 8) {
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spinner
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Text(VectorL10n.pollHistoryLoadingText)
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.font(theme.fonts.body)
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.foregroundColor(theme.colors.secondaryContent)
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.frame(maxHeight: .infinity)
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.accessibilityIdentifier("PollHistory.loadingText")
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}
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.padding(.horizontal, 16)
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}
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}
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extension PollHistoryMode: CustomStringConvertible {
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var description: String {
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switch self {
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case .active:
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return VectorL10n.pollHistoryActiveSegmentTitle
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case .past:
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return VectorL10n.pollHistoryPastSegmentTitle
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}
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}
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}
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// MARK: - Previews
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struct PollHistory_Previews: PreviewProvider {
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static let stateRenderer = MockPollHistoryScreenState.stateRenderer
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static var previews: some View {
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stateRenderer.screenGroup()
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}
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}
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