feat: add PeaNUT integration and UPS monitoring widget (#5862)

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

@@ -31,4 +31,5 @@ export const widgetRouter = createTRPCRouter({
   tracearr: lazy(() => import("./tracearr").then((mod) => mod.tracearrRouter)),
   speedtestTracker: lazy(() => import("./speedtest-tracker").then((mod) => mod.speedtestTrackerRouter)),
   umami: lazy(() => import("./umami").then((mod) => mod.umamiRouter)),
+  ups: lazy(() => import("./ups").then((mod) => mod.upsRouter)),
 });

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

@@ -0,0 +1,51 @@
+import { observable } from "@trpc/server/observable";
+
+import { getIntegrationKindsByCategory } from "@homarr/definitions";
+import type { UpsSummary } from "@homarr/integrations/types";
+import { upsSummariesRequestHandler } from "@homarr/request-handler/ups";
+
+import { createManyIntegrationMiddleware } from "../../middlewares/integration";
+import { createTRPCRouter, publicProcedure } from "../../trpc";
+
+export const upsRouter = createTRPCRouter({
+  getSummaries: publicProcedure
+    .concat(createManyIntegrationMiddleware("query", ...getIntegrationKindsByCategory("ups")))
+    .query(async ({ ctx }) => {
+      const results = await Promise.all(
+        ctx.integrations.map(async (integration) => {
+          const innerHandler = upsSummariesRequestHandler.handler(integration, {});
+          const { data, timestamp } = await innerHandler.getCachedOrUpdatedDataAsync({ forceUpdate: false });
+
+          return {
+            integrationId: integration.id,
+            integrationName: integration.name,
+            integrationUrl: integration.url,
+            summaries: data,
+            updatedAt: timestamp,
+          };
+        }),
+      );
+
+      return results;
+    }),
+  subscribeSummaries: publicProcedure
+    .concat(createManyIntegrationMiddleware("query", ...getIntegrationKindsByCategory("ups")))
+    .subscription(({ ctx }) => {
+      return observable<{ integrationId: string; summaries: UpsSummary[]; timestamp: Date }>((emit) => {
+        const unsubscribes = ctx.integrations.map((integration) => {
+          const innerHandler = upsSummariesRequestHandler.handler(integration, {});
+          return innerHandler.subscribe((summaries) => {
+            emit.next({
+              integrationId: integration.id,
+              summaries,
+              timestamp: new Date(),
+            });
+          });
+        });
+
+        return () => {
+          unsubscribes.forEach((unsubscribe) => unsubscribe());
+        };
+      });
+    }),
+});