feat: add releases widget (#2497)

Co-authored-by: Andre Silva <asilva01@acuitysso.com>
Co-authored-by: Meier Lukas <meierschlumpf@gmail.com>
Co-authored-by: Manuel <30572287+manuel-rw@users.noreply.github.com>

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

@@ -0,0 +1,53 @@
+import { escapeForRegEx } from "@tiptap/react";
+import { z } from "zod";
+
+import { releasesRequestHandler } from "@homarr/request-handler/releases";
+
+import { createTRPCRouter, publicProcedure } from "../../trpc";
+
+const formatVersionFilterRegex = (versionFilter: z.infer<typeof _releaseVersionFilterSchema> | undefined) => {
+  if (!versionFilter) return undefined;
+
+  const escapedPrefix = versionFilter.prefix ? escapeForRegEx(versionFilter.prefix) : "";
+  const precision = "[0-9]+\\.".repeat(versionFilter.precision).slice(0, -2);
+  const escapedSuffix = versionFilter.suffix ? escapeForRegEx(versionFilter.suffix) : "";
+
+  return `^${escapedPrefix}${precision}${escapedSuffix}$`;
+};
+
+const _releaseVersionFilterSchema = z.object({
+  prefix: z.string().optional(),
+  precision: z.number(),
+  suffix: z.string().optional(),
+});
+
+export const releasesRouter = createTRPCRouter({
+  getLatest: publicProcedure
+    .input(
+      z.object({
+        repositories: z.array(
+          z.object({
+            providerKey: z.string(),
+            identifier: z.string(),
+            versionFilter: _releaseVersionFilterSchema.optional(),
+          }),
+        ),
+      }),
+    )
+    .query(async ({ input }) => {
+      const result = await Promise.all(
+        input.repositories.map(async (repository) => {
+          const innerHandler = releasesRequestHandler.handler({
+            providerKey: repository.providerKey,
+            identifier: repository.identifier,
+            versionRegex: formatVersionFilterRegex(repository.versionFilter),
+          });
+          return await innerHandler.getCachedOrUpdatedDataAsync({
+            forceUpdate: false,
+          });
+        }),
+      );
+
+      return result;
+    }),
+});