harden system status and app reliabilityv2.13.1

2 files changed, 64 insertions, 2 deletions

diff --git a/Hutch/Views/More/MoreView.swift b/Hutch/Views/More/MoreView.swift
index 284b1ad..6325954 100644
--- a/Hutch/Views/More/MoreView.swift
+++ b/Hutch/Views/More/MoreView.swift
@@ -7,6 +7,7 @@ struct MoreView: View {
         ("chat.sr.ht", SRHTWebURL.chat)
     ]
 
+    @State private var viewModel: MoreViewModel?
     @State private var showAccountSwitcher = false
 
     var body: some View {
@@ -29,9 +30,14 @@ struct MoreView: View {
                 NavigationLink(value: MoreRoute.pastes) {
                     Label("Pastes", systemImage: "doc.on.clipboard")
                 }
-                
+
                 NavigationLink(value: MoreRoute.systemStatus) {
-                    Label("System Status", systemImage: "server.rack")
+                    SystemStatusSummaryRow(
+                        snapshot: viewModel?.systemStatusSnapshot,
+                        isLoading: viewModel?.isLoadingSystemStatus ?? true,
+                        errorMessage: viewModel?.systemStatusErrorMessage,
+                        isShowingStaleData: viewModel?.isShowingStaleSystemStatus ?? false
+                    )
                 }
             }
 
@@ -58,6 +64,12 @@ struct MoreView: View {
             }
         }
         .navigationTitle("More")
+        .refreshable {
+            await ensureViewModel().loadSystemStatus(forceRefresh: true)
+        }
+        .task {
+            await ensureViewModel().loadIfNeeded()
+        }
         .toolbar {
             ToolbarItem(placement: .topBarTrailing) {
                 Button {
@@ -71,4 +83,15 @@ struct MoreView: View {
             AccountSwitcherView()
         }
     }
+
+    @MainActor
+    private func ensureViewModel() -> MoreViewModel {
+        if let viewModel {
+            return viewModel
+        }
+
+        let newViewModel = MoreViewModel(repository: appState.systemStatusRepository)
+        viewModel = newViewModel
+        return newViewModel
+    }
 }
diff --git a/Hutch/Views/More/MoreViewModel.swift b/Hutch/Views/More/MoreViewModel.swift
new file mode 100644
index 0000000..8f23975
--- /dev/null
+++ b/Hutch/Views/More/MoreViewModel.swift
@@ -0,0 +1,39 @@
+import Foundation
+
+@Observable
+@MainActor
+final class MoreViewModel {
+    private let repository: SystemStatusRepository
+
+    private(set) var systemStatusSnapshot: SystemStatusSnapshot?
+    private(set) var isLoadingSystemStatus = false
+    private(set) var isShowingStaleSystemStatus = false
+    private(set) var systemStatusErrorMessage: String?
+
+    init(repository: SystemStatusRepository) {
+        self.repository = repository
+    }
+
+    func loadIfNeeded() async {
+        guard systemStatusSnapshot == nil, !isLoadingSystemStatus else { return }
+        await loadSystemStatus()
+    }
+
+    func loadSystemStatus(forceRefresh: Bool = false) async {
+        isLoadingSystemStatus = true
+        defer { isLoadingSystemStatus = false }
+        isShowingStaleSystemStatus = false
+        systemStatusErrorMessage = nil
+
+        do {
+            let result = try await repository.snapshotResult(forceRefresh: forceRefresh)
+            systemStatusSnapshot = result.value
+            isShowingStaleSystemStatus = result.isStale
+            systemStatusErrorMessage = result.isStale ? result.refreshErrorMessage : nil
+        } catch {
+            if systemStatusSnapshot == nil {
+                systemStatusErrorMessage = error.userFacingMessage
+            }
+        }
+    }
+}