From 5bf0c15d3e96e8a42d9d653c13b1342ea72abd92 Mon Sep 17 00:00:00 2001
From: Mikael Finstad <finstaden@gmail.com>
Date: Sat, 17 Feb 2018 15:15:30 +0100
Subject: [PATCH] =?UTF-8?q?Implement=20version=20check=20=E2=9C=85?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 package.json          |  1 +
 src/index.js          |  9 ++++++++-
 src/menu.js           | 15 ++++++++++++++-
 src/update-checker.js | 26 ++++++++++++++++++++++++++
 4 files changed, 49 insertions(+), 2 deletions(-)
 create mode 100644 src/update-checker.js

diff --git a/package.json b/package.json
index c226a734..8f6d6284 100644
--- a/package.json
+++ b/package.json
@@ -56,6 +56,7 @@
     "electron-is-dev": "^0.1.2",
     "execa": "^0.5.0",
     "file-type": "^4.1.0",
+    "github-api": "^3.0.0",
     "jquery": "^3.1.1",
     "keyboardjs": "^2.3.3",
     "lodash": "^4.16.4",
diff --git a/src/index.js b/src/index.js
index 2011c6d4..6383322b 100644
--- a/src/index.js
+++ b/src/index.js
@@ -5,6 +5,8 @@ const url = require('url');
 
 const menu = require('./menu');
 
+const { checkNewVersion } = require('./update-checker');
+
 const app = electron.app;
 const BrowserWindow = electron.BrowserWindow;
 
@@ -37,9 +39,14 @@ function createWindow() {
 // This method will be called when Electron has finished
 // initialization and is ready to create browser windows.
 // Some APIs can only be used after this event occurs.
-app.on('ready', () => {
+app.on('ready', async () => {
   createWindow();
   menu(app, mainWindow);
+
+  const newVersion = await checkNewVersion();
+  if (newVersion) {
+    menu(app, mainWindow, newVersion);
+  }
 });
 
 // Quit when all windows are closed.
diff --git a/src/menu.js b/src/menu.js
index da8b4fa5..3fee38d1 100644
--- a/src/menu.js
+++ b/src/menu.js
@@ -5,8 +5,9 @@ const Menu = electron.Menu;
 const dialog = electron.dialog;
 
 const homepage = 'https://github.com/mifi/lossless-cut';
+const releasesPage = 'https://github.com/mifi/lossless-cut/releases';
 
-module.exports = (app, mainWindow) => {
+module.exports = (app, mainWindow, newVersion) => {
   const menu = defaultMenu(app, electron.shell);
 
   const editMenuIndex = menu.findIndex(item => item.Label === 'Edit');
@@ -40,5 +41,17 @@ module.exports = (app, mainWindow) => {
     });
   }
 
+  if (newVersion) {
+    menu.push({
+      label: 'New version!',
+      submenu: [
+        {
+          label: `Download ${newVersion}`,
+          click() { electron.shell.openExternal(releasesPage); },
+        },
+      ],
+    });
+  }
+
   Menu.setApplicationMenu(Menu.buildFromTemplate(menu));
 };
diff --git a/src/update-checker.js b/src/update-checker.js
new file mode 100644
index 00000000..5c689eaa
--- /dev/null
+++ b/src/update-checker.js
@@ -0,0 +1,26 @@
+const GitHub = require('github-api');
+const electron = require('electron');
+
+const app = electron.app;
+
+const gh = new GitHub();
+const repo = gh.getRepo('mifi', 'lossless-cut');
+
+async function checkNewVersion() {
+  try {
+    const res = (await repo.getRelease('latest')).data;
+    const tagName = res.tag_name;
+    console.log(tagName);
+
+    const currentVersion = app.getVersion();
+    // const currentVersion = '1.8.0';
+
+    if (tagName !== `v${currentVersion}`) return tagName;
+    return undefined;
+  } catch (e) {
+    console.error('Failed to check github version');
+    return undefined;
+  }
+}
+
+module.exports = { checkNewVersion };