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import SwiftUI
struct TimelineView: View {
@Environment(\.appDensity) private var appDensity
@Bindable var viewModel: DomainViewModel
let domain: String
@State private var presentedDiff: DomainDiff?
@State private var focusedSectionID: String?
private var timelineSections: [TimelineSection] {
viewModel.timelineSections(for: domain)
}
private var compareButtonDisabled: Bool {
viewModel.selectedSnapshots.count != 2 && viewModel.historyEntries(for: domain).count < 2
}
var body: some View {
List {
ForEach(timelineSections) { section in
Section(section.title) {
ForEach(section.entries) { summary in
if let entry = viewModel.historyEntry(withID: summary.historyEntryID) {
NavigationLink {
HistoryDetailView(viewModel: viewModel, entry: entry)
} label: {
TimelineRow(summary: summary, entry: entry)
}
.swipeActions(edge: .trailing, allowsFullSwipe: false) {
Button {
viewModel.toggleSnapshotSelection(entry)
} label: {
Label(
viewModel.selectedSnapshotIDs.contains(entry.id) ? "Selected" : "Compare",
systemImage: viewModel.selectedSnapshotIDs.contains(entry.id) ? "checkmark.circle.fill" : "arrow.left.arrow.right"
)
}
Button(role: .destructive) {
viewModel.removeHistoryEntries(withIDs: [entry.id])
} label: {
Label("Delete", systemImage: "trash")
}
}
}
}
.listRowBackground(Color(.appSurface))
}
}
}
.scrollContentBackground(.hidden)
.background(Color(.appBackground))
.navigationTitle(domain)
.toolbar {
ToolbarItemGroup(placement: .topBarTrailing) {
Menu {
Picker("Grouping", selection: $viewModel.timelineGrouping) {
ForEach(TimelineGroupingOption.allCases) { option in
Text(option.title).tag(option)
}
}
} label: {
Image(systemName: "line.3.horizontal.decrease.circle")
}
Button("Compare") {
if viewModel.selectedSnapshots.count == 2 {
presentedDiff = viewModel.generateDiffForSelectedSnapshots()
} else {
let entries = viewModel.historyEntries(for: domain)
guard entries.count >= 2 else { return }
presentedDiff = viewModel.generateDiff(from: entries[1], to: entries[0])
}
focusedSectionID = viewModel.currentDiffTargetSectionID
}
.disabled(compareButtonDisabled)
Menu("Export") {
Button("Export TXT") {
ExportPresenter.share(
filename: "\(domain)-timeline.txt",
contents: viewModel.exportTimelineText(domain: domain, includeDiffSummary: true)
)
}
Button("Export JSON") {
guard let data = viewModel.exportTimelineJSONData(domain: domain, includeDiffSummary: true) else { return }
ExportPresenter.share(filename: "\(domain)-timeline.json", data: data)
}
}
}
}
.sheet(item: $presentedDiff) { diff in
NavigationStack {
TimelineDiffView(viewModel: viewModel, diff: diff, focusedSectionID: $focusedSectionID)
}
}
}
}
private struct TimelineRow: View {
@Environment(\.appDensity) private var appDensity
let summary: SnapshotSummary
let entry: HistoryEntry
var body: some View {
VStack(alignment: .leading, spacing: appDensity.metrics.rowSpacing + 1) {
HStack(alignment: .center, spacing: 8) {
Text(summary.timestamp.formatted(date: .abbreviated, time: .shortened))
.font(appDensity.font(.callout))
.foregroundStyle(.primary)
Spacer()
if let severity = summary.severitySummary {
AppStatusBadgeView(
model: .init(
title: severity.title,
systemImage: "arrow.triangle.2.circlepath",
foregroundColor: severity == .high ? Color(.statusCritical) : Color(.statusWarning),
backgroundColor: (severity == .high ? Color(.statusCritical) : Color(.statusWarning)).opacity(0.16)
)
)
}
}
Text(summary.changeSummaryMessage ?? "No change summary")
.font(appDensity.font(.caption))
.foregroundStyle(Color(.appTextSecondary))
.lineLimit(2)
HStack(spacing: 8) {
AppStatusBadgeView(model: AppStatusFactory.availability(summary.availability))
if let riskScore = summary.riskScore {
Text("Risk \(riskScore)")
.lineLimit(1)
.minimumScaleFactor(0.85)
}
}
.font(appDensity.font(.caption2))
.foregroundStyle(Color(.appTextSecondary))
if !entry.intelligenceTimeline.isEmpty {
VStack(alignment: .leading, spacing: 4) {
ForEach(Array(entry.intelligenceTimeline.prefix(2))) { event in
Text("\(event.title): \(event.detail)")
.font(appDensity.font(.caption2))
.foregroundStyle(Color(.appTextSecondary))
.lineLimit(1)
}
}
}
HStack(spacing: 8) {
if let primaryIP = summary.primaryIP {
Text(primaryIP)
.lineLimit(1)
.truncationMode(.middle)
}
Spacer(minLength: 8)
Text(summary.timestamp.formatted(date: .abbreviated, time: .shortened))
.lineLimit(1)
}
.font(appDensity.font(.caption2))
.foregroundStyle(Color(.appTextSecondary))
}
}
}
struct TimelineDiffView: View {
@Bindable var viewModel: DomainViewModel
let diff: DomainDiff
@Binding var focusedSectionID: String?
var body: some View {
ScrollViewReader { proxy in
ScrollView {
VStack(alignment: .leading, spacing: 12) {
HStack {
Button("Previous Change") {
viewModel.moveToPreviousDiffChange()
focusedSectionID = viewModel.currentDiffTargetSectionID
scroll(proxy: proxy)
}
.disabled(viewModel.activeDiffChangeIndex == 0)
Button("Next Change") {
viewModel.moveToNextDiffChange()
focusedSectionID = viewModel.currentDiffTargetSectionID
scroll(proxy: proxy)
}
.disabled(viewModel.activeDomainDiff?.changedSectionIDs.isEmpty != false || viewModel.currentDiffTargetSectionID == viewModel.activeDomainDiff?.changedSectionIDs.last)
Spacer()
}
DomainDiffView(
title: "Snapshot Diff",
sections: diff.sections,
contextNote: diff.contextNote,
showsUnchanged: false,
highlightedSectionID: focusedSectionID
)
}
.padding()
}
.background(Color(.appBackground))
.navigationTitle("Compare Snapshots")
.navigationBarTitleDisplayMode(.inline)
.onAppear {
scroll(proxy: proxy)
}
.onChange(of: focusedSectionID) { _, _ in
scroll(proxy: proxy)
}
}
}
private func scroll(proxy: ScrollViewProxy) {
guard let focusedSectionID else { return }
withAnimation {
proxy.scrollTo(focusedSectionID, anchor: .top)
}
}
}
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