feat: add calendar widget (#663)

* feat: add calendar widget

* feat: add artifacts to gitignore

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

@@ -0,0 +1,20 @@
+import type { CalendarEvent } from "@homarr/integrations/types";
+import { createItemWithIntegrationChannel } from "@homarr/redis";
+
+import { createManyIntegrationOfOneItemMiddleware } from "../../middlewares/integration";
+import { createTRPCRouter, publicProcedure } from "../../trpc";
+
+export const calendarRouter = createTRPCRouter({
+  findAllEvents: publicProcedure
+    .unstable_concat(createManyIntegrationOfOneItemMiddleware("sonarr", "radarr", "readarr", "lidarr"))
+    .query(async ({ ctx }) => {
+      return await Promise.all(
+        ctx.integrations.flatMap(async (integration) => {
+          for (const item of integration.items) {
+            const cache = createItemWithIntegrationChannel<CalendarEvent[]>(item.itemId, integration.id);
+            return await cache.getAsync();
+          }
+        }),
+      );
+    }),
+});

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

@@ -1,5 +1,6 @@
 import { createTRPCRouter } from "../../trpc";
 import { appRouter } from "./app";
+import { calendarRouter } from "./calendar";
 import { dnsHoleRouter } from "./dns-hole";
 import { notebookRouter } from "./notebook";
 import { smartHomeRouter } from "./smart-home";
@@ -11,4 +12,5 @@ export const widgetRouter = createTRPCRouter({
   app: appRouter,
   dnsHole: dnsHoleRouter,
   smartHome: smartHomeRouter,
+  calendar: calendarRouter,
 });