fix: address mobile dashboard review findings

apps/nextjs/src/components/board/mobile/mobile-board.module.css

@@ -13,7 +13,7 @@
   padding: 0;
   margin: -1px;
   overflow: hidden;
-  clip: rect(0, 0, 0, 0);
+  clip-path: inset(50%);
   white-space: nowrap;
   border: 0;
 }

packages/api/src/router/widgets/beszel.ts

@@ -44,6 +44,7 @@ export const beszelRouter = createTRPCRouter({
           };
         },
         {
+          throwOnAllFailure: true,
           fallback: (integration, error) => ({
             integrationId: integration.id,
             integrationName: integration.name,
@@ -116,6 +117,7 @@ export const beszelRouter = createTRPCRouter({
           };
         },
         {
+          throwOnAllFailure: true,
           fallback: (integration, error) => ({
             integrationId: integration.id,
             integrationName: integration.name,

packages/api/src/settle-integrations.spec.ts

@@ -23,6 +23,22 @@ describe("settleIntegrationQueries", () => {
     expect(results).toEqual(["Second"]);
   });
 
+  it("retains fallback and successful results for a partial failure", async () => {
+    const results = await settleIntegrationQueries(
+      integrations,
+      vi.fn(async (integration) => {
+        if (integration.id === "first") throw new Error("offline");
+        return integration.name;
+      }),
+      {
+        throwOnAllFailure: true,
+        fallback: (integration) => `${integration.name} unavailable`,
+      },
+    );
+
+    expect(results).toEqual(["First unavailable", "Second"]);
+  });
+
   it("throws when every integration fails and throwOnAllFailure is enabled", async () => {
     await expect(
       settleIntegrationQueries(
@@ -35,6 +51,21 @@ describe("settleIntegrationQueries", () => {
     ).rejects.toThrow("offline");
   });
 
+  it("throws on total failure even when fallbacks are configured", async () => {
+    await expect(
+      settleIntegrationQueries(
+        integrations,
+        vi.fn(async () => {
+          throw new Error("offline");
+        }),
+        {
+          throwOnAllFailure: true,
+          fallback: (integration) => `${integration.name} unavailable`,
+        },
+      ),
+    ).rejects.toThrow("offline");
+  });
+
   it("does not treat an empty integration list as a failure", async () => {
     await expect(
       settleIntegrationQueries(

packages/widgets/src/beszel/_shared/mobile-summary.tsx

@@ -5,6 +5,7 @@ import { useI18n } from "@homarr/translation/client";
 
 import { WidgetMobileLoading, WidgetMobileSummary } from "../../common/mobile-summary";
 import { useBeszelFilteredSystems } from "./hooks";
+import { hasStaleIntegrationData } from "./query-status";
 
 interface BeszelSystemsMobileSummaryProps {
   integrationIds: string[];
@@ -18,12 +19,18 @@ export const BeszelSystemsMobileSummary = ({
   statusFilter,
 }: BeszelSystemsMobileSummaryProps) => {
   const t = useI18n();
-  const { data: results = [], error, isPending } = clientApi.widget.beszel.getSystems.useQuery({ integrationIds });
+  const {
+    data: results = [],
+    error,
+    isPending,
+    isLoadingError,
+    isRefetchError,
+  } = clientApi.widget.beszel.getSystems.useQuery({ integrationIds });
   const systems = useBeszelFilteredSystems(results, statusFilter);
   const failedResults = results.filter((result) => "error" in result);
 
   if (isPending) return <WidgetMobileLoading />;
-  if (error) throw error;
+  if (isLoadingError) throw error;
   if (results.length > 0 && failedResults.length === results.length) {
     throw new Error(String(failedResults[0]?.error ?? "Unable to connect to Beszel"));
   }
@@ -38,7 +45,7 @@ export const BeszelSystemsMobileSummary = ({
         up,
         attention: systems.length - up,
       })}
-      isStale={failedResults.length > 0}
+      isStale={hasStaleIntegrationData(isRefetchError, failedResults)}
     />
   );
 };

packages/widgets/src/beszel/_shared/query-status.spec.ts

@@ -0,0 +1,11 @@
+import { describe, expect, test } from "vitest";
+
+import { hasStaleIntegrationData } from "./query-status";
+
+describe("Beszel query status", () => {
+  test("marks cached data stale after outer or per-integration failures", () => {
+    expect(hasStaleIntegrationData(true, [])).toBe(true);
+    expect(hasStaleIntegrationData(false, [{ error: "offline" }])).toBe(true);
+    expect(hasStaleIntegrationData(false, [])).toBe(false);
+  });
+});

packages/widgets/src/beszel/_shared/query-status.ts

@@ -0,0 +1,2 @@
+export const hasStaleIntegrationData = (isRefetchError: boolean, failedResults: readonly unknown[]) =>
+  isRefetchError || failedResults.length > 0;

packages/widgets/src/filter-storage-volumes.ts

@@ -28,7 +28,7 @@ export const toScopedStorageVolumeValue = (integrationId: string, value: string)
   return `${integrationId}:${volumeName}`;
 };
 
-const storageDeviceNamesMatch = (leftDeviceName: string, rightDeviceName: string): boolean => {
+export const storageDeviceNamesMatch = (leftDeviceName: string, rightDeviceName: string): boolean => {
   return (
     leftDeviceName === rightDeviceName ||
     normalizeStorageDeviceName(leftDeviceName) === normalizeStorageDeviceName(rightDeviceName)

packages/widgets/src/system-disks/mobile-summary.spec.ts

@@ -0,0 +1,15 @@
+import { describe, expect, test } from "vitest";
+
+import { formatDiskTemperature } from "./mobile-summary";
+
+describe("formatDiskTemperature", () => {
+  test("preserves a valid zero-degree reading", () => {
+    expect(formatDiskTemperature(0, true)).toBe("0°C");
+  });
+
+  test("omits unavailable or disabled readings", () => {
+    expect(formatDiskTemperature(null, true)).toBeUndefined();
+    expect(formatDiskTemperature(undefined, true)).toBeUndefined();
+    expect(formatDiskTemperature(20, false)).toBeUndefined();
+  });
+});

packages/widgets/src/system-disks/mobile-summary.ts

@@ -0,0 +1,2 @@
+export const formatDiskTemperature = (temperature: number | null | undefined, shouldShow: boolean) =>
+  shouldShow && temperature != null ? `${temperature}°C` : undefined;

packages/widgets/src/weather/temperature.spec.ts

@@ -0,0 +1,20 @@
+import { describe, expect, test } from "vitest";
+
+import { getPreferredUnit } from "./temperature";
+
+describe("getPreferredUnit", () => {
+  test("preserves zero in Celsius and Fahrenheit", () => {
+    expect(getPreferredUnit(0)).toBe("0.0°C");
+    expect(getPreferredUnit(0, true)).toBe("32.0°F");
+  });
+
+  test("only uses the unavailable placeholder for missing values", () => {
+    expect(getPreferredUnit(undefined)).toBe("?");
+  });
+
+  test("respects the decimal preference", () => {
+    expect(getPreferredUnit(0, false, true)).toBe("0°C");
+    expect(getPreferredUnit(0, true, true)).toBe("32°F");
+    expect(getPreferredUnit(12.6, false, true)).toBe("13°C");
+  });
+});

packages/widgets/src/weather/temperature.ts

@@ -0,0 +1,6 @@
+export const getPreferredUnit = (value?: number, isFahrenheit = false, disableTemperatureDecimals = false): string =>
+  value !== undefined
+    ? isFahrenheit
+      ? `${(value * (9 / 5) + 32).toFixed(disableTemperatureDecimals ? 0 : 1)}°F`
+      : `${value.toFixed(disableTemperatureDecimals ? 0 : 1)}°C`
+    : "?";