Add basic update notifications (#9)

src/main/index.ts

@@ -8,6 +8,7 @@ import "./ipc";
 
 import { app, BrowserWindow } from "electron";
 import { join } from "path";
+import { checkUpdates } from "updater/main";
 
 import { ICON_PATH } from "../shared/paths";
 import { once } from "../shared/utils/once";
@@ -40,6 +41,7 @@ if (!app.requestSingleInstanceLock()) {
     });
 
     app.whenReady().then(async () => {
+        checkUpdates();
         if (process.platform === "win32") app.setAppUserModelId("dev.vencord.desktop");
         else if (process.platform === "darwin") app.dock.setIcon(ICON_PATH);
 

src/main/ipc.ts

@@ -52,8 +52,12 @@ ipcMain.handle(IpcEvents.SHOW_ITEM_IN_FOLDER, (_, path) => {
     shell.showItemInFolder(path);
 });
 
-ipcMain.handle(IpcEvents.FOCUS, () => {
-    mainWin?.focus();
+ipcMain.handle(IpcEvents.FOCUS, e => {
+    e.sender.focus();
+});
+
+ipcMain.handle(IpcEvents.CLOSE, e => {
+    e.sender.close();
 });
 
 ipcMain.handle(IpcEvents.SELECT_VENCORD_DIR, async () => {

src/main/splash.ts

@@ -6,18 +6,11 @@
 
 import { BrowserWindow } from "electron";
 import { join } from "path";
+import { SplashProps } from "shared/browserWinProperties";
 import { STATIC_DIR } from "shared/paths";
 
 export function createSplashWindow() {
-    const splash = new BrowserWindow({
-        transparent: true,
-        frame: false,
-        height: 350,
-        width: 300,
-        center: true,
-        resizable: false,
-        maximizable: false
-    });
+    const splash = new BrowserWindow(SplashProps);
 
     splash.loadFile(join(STATIC_DIR, "splash.html"));
 

src/main/utils/vencordLoader.ts

@@ -11,10 +11,20 @@ import { join } from "path";
 import { USER_AGENT, VENCORD_FILES_DIR } from "../constants";
 import { downloadFile, simpleGet } from "./http";
 
-const API_BASE = "https://api.github.com/repos/Vendicated/Vencord";
+const API_BASE = "https://api.github.com";
 
 const FILES_TO_DOWNLOAD = ["vencordDesktopMain.js", "preload.js", "vencordDesktopRenderer.js", "renderer.css"];
 
+export interface ReleaseData {
+    name: string;
+    tag_name: string;
+    html_url: string;
+    assets: Array<{
+        name: string;
+        browser_download_url: string;
+    }>;
+}
+
 export async function githubGet(endpoint: string) {
     const opts: RequestOptions = {
         headers: {
@@ -29,13 +39,9 @@ export async function githubGet(endpoint: string) {
 }
 
 export async function downloadVencordFiles() {
-    const release = await githubGet("/releases/latest");
+    const release = await githubGet("/repos/Vendicated/Vencord/releases/latest");
 
-    const data = JSON.parse(release.toString("utf-8"));
-    const assets = data.assets as Array<{
-        name: string;
-        browser_download_url: string;
-    }>;
+    const { assets } = JSON.parse(release.toString("utf-8")) as ReleaseData;
 
     await Promise.all(
         assets

src/preload/VencordDesktopNative.ts

@@ -4,19 +4,11 @@
  * Copyright (c) 2023 Vendicated and Vencord contributors
  */
 
-import { ipcRenderer } from "electron";
 import type { Settings } from "shared/settings";
 import type { LiteralUnion } from "type-fest";
 
 import { IpcEvents } from "../shared/IpcEvents";
-
-function invoke<T = any>(event: IpcEvents, ...args: any[]) {
-    return ipcRenderer.invoke(event, ...args) as Promise<T>;
-}
-
-function sendSync<T = any>(event: IpcEvents, ...args: any[]) {
-    return ipcRenderer.sendSync(event, ...args) as T;
-}
+import { invoke, sendSync } from "./typedIpcs";
 
 export const VencordDesktopNative = {
     app: {

src/preload/typedIpcs.ts

@@ -0,0 +1,16 @@
+/*
+ * SPDX-License-Identifier: GPL-3.0
+ * Vencord Desktop, a desktop app aiming to give you a snappier Discord Experience
+ * Copyright (c) 2023 Vendicated and Vencord contributors
+ */
+
+import { ipcRenderer } from "electron";
+import { IpcEvents } from "shared/IpcEvents";
+
+export function invoke<T = any>(event: IpcEvents, ...args: any[]) {
+    return ipcRenderer.invoke(event, ...args) as Promise<T>;
+}
+
+export function sendSync<T = any>(event: IpcEvents, ...args: any[]) {
+    return ipcRenderer.sendSync(event, ...args) as T;
+}

src/shared/IpcEvents.ts

@@ -19,5 +19,11 @@ export const enum IpcEvents {
     GET_SETTINGS = "VCD_GET_SETTINGS",
     SET_SETTINGS = "VCD_SET_SETTINGS",
 
-    SELECT_VENCORD_DIR = "VCD_SELECT_VENCORD_DIR"
+    SELECT_VENCORD_DIR = "VCD_SELECT_VENCORD_DIR",
+
+    UPDATER_GET_DATA = "VCD_UPDATER_GET_DATA",
+    UPDATER_DOWNLOAD = "VCD_UPDATER_DOWNLOAD",
+    UPDATE_IGNORE = "VCD_UPDATE_IGNORE",
+
+    CLOSE = "VCD_CLOSE"
 }

src/shared/browserWinProperties.ts

@@ -0,0 +1,18 @@
+/*
+ * SPDX-License-Identifier: GPL-3.0
+ * Vencord Desktop, a desktop app aiming to give you a snappier Discord Experience
+ * Copyright (c) 2023 Vendicated and Vencord contributors
+ */
+
+import type { BrowserWindowConstructorOptions } from "electron";
+
+export const SplashProps: BrowserWindowConstructorOptions = {
+    transparent: true,
+    frame: false,
+    height: 350,
+    width: 300,
+    center: true,
+    resizable: false,
+    maximizable: false,
+    alwaysOnTop: true
+};

src/shared/settings.d.ts

@@ -16,4 +16,5 @@ export interface Settings {
     disableMinSize?: boolean;
     tray?: boolean;
     minimizeToTray?: boolean;
+    skippedUpdate?: string;
 }

src/updater/main.ts

@@ -0,0 +1,98 @@
+/*
+ * SPDX-License-Identifier: GPL-3.0
+ * Vencord Desktop, a desktop app aiming to give you a snappier Discord Experience
+ * Copyright (c) 2023 Vendicated and Vencord contributors
+ */
+
+import { app, BrowserWindow, ipcMain, shell } from "electron";
+import { Settings } from "main/settings";
+import { githubGet, ReleaseData } from "main/utils/vencordLoader";
+import { join } from "path";
+import { SplashProps } from "shared/browserWinProperties";
+import { IpcEvents } from "shared/IpcEvents";
+import { STATIC_DIR } from "shared/paths";
+
+export interface UpdateData {
+    currentVersion: string;
+    latestVersion: string;
+    release: ReleaseData;
+}
+
+let updateData: UpdateData;
+
+ipcMain.handle(IpcEvents.UPDATER_GET_DATA, () => updateData);
+ipcMain.handle(IpcEvents.UPDATER_DOWNLOAD, () => {
+    const { assets } = updateData.release;
+    const url = (() => {
+        switch (process.platform) {
+            case "win32":
+                return assets.find(a => a.name.endsWith(".exe"))!.browser_download_url;
+            case "darwin":
+                return assets.find(a => a.name.endsWith(".dmg"))!.browser_download_url;
+            case "linux":
+                return updateData.release.html_url;
+            default:
+                throw new Error(`Unsupported platform: ${process.platform}`);
+        }
+    })();
+
+    shell.openExternal(url);
+});
+
+ipcMain.handle(IpcEvents.UPDATE_IGNORE, () => {
+    Settings.store.skippedUpdate = updateData.latestVersion;
+});
+
+function isOutdated(oldVersion: string, newVersion: string) {
+    const oldParts = oldVersion.split(".");
+    const newParts = newVersion.split(".");
+
+    if (oldParts.length !== newParts.length)
+        throw new Error(`Incompatible version strings (old: ${oldVersion}, new: ${newVersion})`);
+
+    for (let i = 0; i < oldParts.length; i++) {
+        const oldPart = Number(oldParts[i]);
+        const newPart = Number(newParts[i]);
+
+        if (isNaN(oldPart) || isNaN(newPart))
+            throw new Error(`Invalid version string (old: ${oldVersion}, new: ${newVersion})`);
+
+        if (oldPart < newPart) return true;
+        if (oldPart > newPart) return false;
+    }
+
+    return false;
+}
+
+export async function checkUpdates() {
+    // if (IS_DEV) return;
+    try {
+        const raw = await githubGet("/repos/Vencord/Desktop/releases/latest");
+        const data = JSON.parse(raw.toString("utf-8")) as ReleaseData;
+
+        const oldVersion = app.getVersion();
+        const newVersion = data.tag_name.replace(/^v/, "");
+        if (Settings.store.skippedUpdate !== newVersion && isOutdated(oldVersion, newVersion)) {
+            updateData = {
+                currentVersion: oldVersion,
+                latestVersion: newVersion,
+                release: data
+            };
+
+            openNewUpdateWindow();
+        }
+    } catch (e) {
+        console.error("AppUpdater: Failed to check for updates\n", e);
+    }
+}
+
+function openNewUpdateWindow() {
+    const win = new BrowserWindow({
+        ...SplashProps,
+        webPreferences: {
+            preload: join(__dirname, "updaterPreload.js")
+        }
+    });
+
+    win.loadFile(join(STATIC_DIR, "updater.html"));
+}

src/updater/preload.ts

@@ -0,0 +1,21 @@
+/*
+ * SPDX-License-Identifier: GPL-3.0
+ * Vencord Desktop, a desktop app aiming to give you a snappier Discord Experience
+ * Copyright (c) 2023 Vendicated and Vencord contributors
+ */
+
+import { contextBridge } from "electron";
+import { invoke } from "preload/typedIpcs";
+import { IpcEvents } from "shared/IpcEvents";
+
+import type { UpdateData } from "./main";
+
+contextBridge.exposeInMainWorld("Updater", {
+    getData: () => invoke<UpdateData>(IpcEvents.UPDATER_GET_DATA),
+    download: () => {
+        invoke<void>(IpcEvents.UPDATER_DOWNLOAD);
+        invoke<void>(IpcEvents.CLOSE);
+    },
+    ignore: () => invoke<void>(IpcEvents.UPDATE_IGNORE),
+    close: () => invoke<void>(IpcEvents.CLOSE)
+});