feat: adding auto refresh of download sources

src/main/workers/download-source.worker.ts

@@ -0,0 +1,49 @@
+import { downloadSourceSchema } from "@main/events/helpers/validators";
+import { DownloadSourceStatus } from "@shared";
+import type { DownloadSource } from "@types";
+import axios, { AxiosError, AxiosHeaders } from "axios";
+import { z } from "zod";
+
+export type DownloadSourceResponse = z.infer<typeof downloadSourceSchema> & {
+  etag: string | null;
+  status: DownloadSourceStatus;
+};
+
+export const getUpdatedRepacks = async (downloadSources: DownloadSource[]) => {
+  const results: DownloadSourceResponse[] = [];
+
+  for (const downloadSource of downloadSources) {
+    const headers = new AxiosHeaders();
+
+    if (downloadSource.etag) {
+      headers.set("If-None-Match", downloadSource.etag);
+    }
+
+    try {
+      const response = await axios.get(downloadSource.url, {
+        headers,
+      });
+
+      const source = downloadSourceSchema.parse(response.data);
+
+      results.push({
+        ...downloadSource,
+        downloads: source.downloads,
+        etag: response.headers["etag"],
+        status: DownloadSourceStatus.UpToDate,
+      });
+    } catch (err: unknown) {
+      const isNotModified = (err as AxiosError).response?.status === 304;
+
+      results.push({
+        ...downloadSource,
+        downloads: [],
+        status: isNotModified
+          ? DownloadSourceStatus.UpToDate
+          : DownloadSourceStatus.Errored,
+      });
+    }
+  }
+
+  return results;
+};

src/main/workers/index.ts

@@ -1,6 +1,7 @@
 import path from "node:path";
 import steamGamesWorkerPath from "./steam-games.worker?modulePath";
 import repacksWorkerPath from "./repacks.worker?modulePath";
+import downloadSourceWorkerPath from "./download-source.worker?modulePath";
 
 import Piscina from "piscina";
 
@@ -16,3 +17,7 @@ export const steamGamesWorker = new Piscina({
 export const repacksWorker = new Piscina({
   filename: repacksWorkerPath,
 });
+
+export const downloadSourceWorker = new Piscina({
+  filename: downloadSourceWorkerPath,
+});