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import SwiftUI
struct SystemStatusView: View {
@Environment(AppState.self) private var appState
@State private var viewModel: SystemStatusViewModel?
var body: some View {
Group {
if let viewModel {
content(viewModel)
} else {
SRHTLoadingStateView(message: "Loading system status…")
}
}
.navigationTitle("System Status")
.navigationBarTitleDisplayMode(.inline)
.task {
let vm: SystemStatusViewModel
if let viewModel {
vm = viewModel
} else {
let newViewModel = SystemStatusViewModel(repository: appState.systemStatusRepository)
viewModel = newViewModel
vm = newViewModel
}
await vm.load()
}
}
@ViewBuilder
private func content(_ viewModel: SystemStatusViewModel) -> some View {
List {
if viewModel.isShowingStaleData, let staleDataMessage = viewModel.staleDataMessage {
Section {
Label(staleDataMessage, systemImage: "clock.arrow.trianglehead.counterclockwise.rotate.90")
.font(.subheadline)
.foregroundStyle(.secondary)
.themedRow()
}
}
if let snapshot = viewModel.snapshot {
summarySection(snapshot)
servicesSection(snapshot)
activeIncidentsSection(snapshot.activeIncidents)
}
recentIncidentsSection(viewModel.recentIncidents)
}
.themedList()
.listStyle(.insetGrouped)
.refreshable {
await viewModel.load(forceRefresh: true)
}
.overlay {
if viewModel.isLoading && !viewModel.hasContent {
SRHTLoadingStateView(message: "Loading system status…")
} else if !viewModel.isLoading && !viewModel.hasContent, let errorMessage = viewModel.errorMessage {
SRHTErrorStateView(
title: "Couldn’t Load System Status",
message: errorMessage,
retryAction: { await viewModel.load(forceRefresh: true) }
)
} else if !viewModel.isLoading && !viewModel.hasContent {
ContentUnavailableView(
"No Status Data",
systemImage: "server.rack",
description: Text("System status information is not available right now.")
)
}
}
.connectivityOverlay(hasContent: viewModel.hasContent) {
await viewModel.load(forceRefresh: true)
}
.srhtErrorBanner(error: Binding(
get: { viewModel.errorMessage },
set: { viewModel.errorMessage = $0 }
))
}
@ViewBuilder
private func summarySection(_ snapshot: SystemStatusSnapshot) -> some View {
Section {
VStack(alignment: .leading, spacing: 12) {
HStack(spacing: 10) {
Image(systemName: snapshot.hasDisruption ? "exclamationmark.triangle.fill" : "checkmark.circle.fill")
.foregroundStyle(snapshot.hasDisruption ? .orange : .green)
VStack(alignment: .leading, spacing: 4) {
Text(snapshot.overallStatusText)
.font(.headline)
Text("Updated \(snapshot.lastUpdated.relativeDescription)")
.font(.subheadline)
.foregroundStyle(.secondary)
}
}
Link(destination: SRHTWebURL.status) {
Label("Open status.sr.ht", systemImage: "safari")
}
.font(.subheadline.weight(.medium))
}
.padding(.vertical, 4)
.themedRow()
}
}
@ViewBuilder
private func servicesSection(_ snapshot: SystemStatusSnapshot) -> some View {
Section("Services") {
ForEach(snapshot.services) { service in
HStack(spacing: 12) {
StatusLevelBadge(level: service.status)
VStack(alignment: .leading, spacing: 4) {
Text(service.name)
.font(.subheadline.weight(.medium))
Text(service.status.displayName)
.font(.caption)
.foregroundStyle(.secondary)
}
Spacer()
}
.padding(.vertical, 2)
}
.themedRow()
}
}
@ViewBuilder
private func activeIncidentsSection(_ incidents: [StatusIncident]) -> some View {
if !incidents.isEmpty {
Section("Active Incidents") {
ForEach(incidents) { incident in
incidentRow(incident)
}
.themedRow()
}
}
}
@ViewBuilder
private func recentIncidentsSection(_ incidents: [StatusIncident]) -> some View {
Section("Recent Incidents") {
if incidents.isEmpty {
ContentUnavailableView(
"No Recent Incidents",
systemImage: "clock.arrow.trianglehead.counterclockwise.rotate.90",
description: Text("The status feed didn’t return any recent incidents.")
)
.themedRow()
} else {
ForEach(incidents) { incident in
incidentRow(incident)
}
.themedRow()
}
}
}
@ViewBuilder
private func incidentRow(_ incident: StatusIncident) -> some View {
if let url = incident.url {
Link(destination: url) {
StatusIncidentRow(incident: incident)
}
} else {
StatusIncidentRow(incident: incident)
}
}
}
private struct StatusIncidentRow: View {
let incident: StatusIncident
var body: some View {
VStack(alignment: .leading, spacing: 6) {
HStack(alignment: .top, spacing: 8) {
Text(incident.title)
.font(.subheadline.weight(.medium))
.foregroundStyle(.primary)
Spacer(minLength: 8)
if incident.url != nil {
Image(systemName: "arrow.up.right.square")
.font(.caption)
.foregroundStyle(.secondary)
}
}
Text(timestampText)
.font(.caption)
.foregroundStyle(.secondary)
if let summary = incident.summary, !summary.isEmpty {
Text(summary)
.font(.caption)
.foregroundStyle(.secondary)
.lineLimit(3)
}
}
.padding(.vertical, 2)
}
private var timestampText: String {
if let updatedAt = incident.updatedAt {
return "Published \(incident.publishedAt.relativeDescription) • Updated \(updatedAt.relativeDescription)"
}
return "Published \(incident.publishedAt.relativeDescription)"
}
}
private struct StatusLevelBadge: View {
let level: StatusLevel
var body: some View {
HStack(spacing: 6) {
Circle()
.fill(color)
.frame(width: 8, height: 8)
Text(level.displayName)
.font(.caption.weight(.medium))
.foregroundStyle(.primary)
}
.padding(.horizontal, 10)
.padding(.vertical, 6)
.background(color.opacity(0.14), in: Capsule())
}
private var color: Color {
switch level {
case .operational:
.green
case .degraded:
.orange
case .majorOutage:
.red
case .maintenance:
.blue
case .unknown:
.gray
}
}
}
|
