Improving Installer and Updater Process

src/main/updates/update-dialogs.ts

@@ -41,6 +41,22 @@ export async function askToInstallUpdate(update: ReleaseUpdate, parentWindow: Br
   return result.response === 0;
 }
 
+export async function showDownloadFailedDialog(
+  update: ReleaseUpdate,
+  error: unknown,
+  parentWindow: BrowserWindow | null,
+): Promise<void> {
+  const errorMessage = error instanceof Error ? error.message : String(error);
+  await showMessageBox(parentWindow, {
+    type: "error",
+    title: "Error de descarga",
+    message: `No se pudo descargar la actualización para Scoreko ${update.version}.`,
+    detail: `Detalles del error: ${errorMessage}\n\nPor favor, comprueba tu conexión a internet e inténtalo de nuevo.`,
+    buttons: ["Aceptar"],
+    defaultId: 0,
+  });
+}
+
 function showMessageBox(
   parentWindow: BrowserWindow | null,
   options: MessageBoxOptions,

src/main/updates/update-download.ts

@@ -23,6 +23,13 @@ export async function downloadInstaller(update: ReleaseUpdate, config: UpdateDow
   const targetPath = getSafeChildPath(downloadDirectory, safeFileName);
   const stagingPath = getSafeChildPath(downloadDirectory, `${safeFileName}.${process.pid}.${Date.now()}.download`);
 
+  if (fs.existsSync(targetPath)) {
+    const stats = fs.statSync(targetPath);
+    if (typeof update.installer.size === "number" && stats.size === update.installer.size) {
+      return targetPath;
+    }
+  }
+
   fs.mkdirSync(downloadDirectory, { recursive: true });
   fs.rmSync(stagingPath, { force: true });
 

src/main/updates/update-service.ts

@@ -1,7 +1,7 @@
 import { app, BrowserWindow, shell } from "electron";
 
 import { AppRuntimeConfig } from "../config/runtime-config";
-import { askToDownloadUpdate, askToInstallUpdate } from "./update-dialogs";
+import { askToDownloadUpdate, askToInstallUpdate, showDownloadFailedDialog } from "./update-dialogs";
 import { loadUpdateSettings, UpdateSettings } from "./update-config";
 import { downloadInstaller } from "./update-download";
 import { buildReleaseUpdate, GiteaRelease, parseGiteaRelease } from "./update-schema";
@@ -76,10 +76,17 @@ async function checkForUpdates({
       return;
     }
 
-    const installerPath = await downloadInstaller(update, {
-      tempDirectory: app.getPath("temp"),
-      allowInsecureHttp: protocolPolicy.allowInsecureHttp,
-    });
+    let installerPath: string;
+    try {
+      installerPath = await downloadInstaller(update, {
+        tempDirectory: app.getPath("temp"),
+        allowInsecureHttp: protocolPolicy.allowInsecureHttp,
+      });
+    } catch (error) {
+      log("Update installer download failed.", error);
+      await showDownloadFailedDialog(update, error, getParentWindow());
+      return;
+    }
     const shouldInstall = await askToInstallUpdate(update, getParentWindow());
     if (!shouldInstall) {
       await shell.showItemInFolder(installerPath);