feat: add pi hole summary integration (#521)

* feat: add pi hole summary integration

* feat: add pi hole summary widget

* fix: type issues with integrations and integrationIds

* feat: add middleware for integrations and improve cache redis channel

* feat: add error boundary for widgets

* fix: broken lock file

* fix: format format issues

* fix: typecheck issue

* fix: deepsource issues

* fix: widget sandbox without error boundary

* chore: address pull request feedback

* chore: remove todo comment and created issue

* fix: format issues

* fix: deepsource issue

packages/api/src/router/widgets/dns-hole.ts

@@ -0,0 +1,32 @@
+import { TRPCError } from "@trpc/server";
+
+import { PiHoleIntegration } from "@homarr/integrations";
+import type { DnsHoleSummary } from "@homarr/integrations/types";
+import { logger } from "@homarr/log";
+import { createCacheChannel } from "@homarr/redis";
+
+import { createOneIntegrationMiddleware } from "../../middlewares/integration";
+import { createTRPCRouter, publicProcedure } from "../../trpc";
+
+export const dnsHoleRouter = createTRPCRouter({
+  summary: publicProcedure.unstable_concat(createOneIntegrationMiddleware("piHole")).query(async ({ ctx }) => {
+    const cache = createCacheChannel<DnsHoleSummary>(`dns-hole-summary:${ctx.integration.id}`);
+
+    const { data } = await cache.consumeAsync(async () => {
+      const client = new PiHoleIntegration(ctx.integration);
+
+      return await client.getSummaryAsync().catch((err) => {
+        logger.error("dns-hole router - ", err);
+        throw new TRPCError({
+          code: "INTERNAL_SERVER_ERROR",
+          message: `Failed to fetch DNS Hole summary for ${ctx.integration.name} (${ctx.integration.id})`,
+        });
+      });
+    });
+
+    return {
+      ...data,
+      integrationId: ctx.integration.id,
+    };
+  }),
+});

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

@@ -1,8 +1,10 @@
 import { createTRPCRouter } from "../../trpc";
+import { dnsHoleRouter } from "./dns-hole";
 import { notebookRouter } from "./notebook";
 import { weatherRouter } from "./weather";
 
 export const widgetRouter = createTRPCRouter({
   notebook: notebookRouter,
   weather: weatherRouter,
+  dnsHole: dnsHoleRouter,
 });