Add update notifications on app start

dev-app-update.yml

@@ -0,0 +1,3 @@
+owner: rkclark
+repo: pullp
+provider: github

src/electron-starter.js

@@ -3,8 +3,11 @@ const isDev = require('electron-is-dev');
 const path = require('path');
 const url = require('url');
 const electron = require('electron');
+const { autoUpdater } = require('electron-updater');
 
-const { app, shell, Menu } = electron;
+autoUpdater.autoDownload = false;
+
+const { app, shell, Menu, dialog } = electron;
 
 // Set server port depending on electron environment
 let serverPort = isDev ? '9821' : '9822';
@@ -88,6 +91,11 @@ app.on('ready', () => {
     installExtension(REDUX_DEVTOOLS)
       .then(name => console.log(`Added Extension:  ${name}`))
       .catch(err => console.log('An error occurred: ', err));
+
+    // eslint-disable-next-line global-require
+    const logger = require('electron-log');
+    autoUpdater.logger = logger;
+    autoUpdater.logger.transports.file.level = 'info';
   }
   const template = [
     {
@@ -159,6 +167,26 @@ app.on('ready', () => {
     } // eslint-disable-line
   );
   createMainWindow();
+  autoUpdater.checkForUpdates();
+
+  const linkToUpdatePage = response => {
+    if (response === 0) {
+      shell.openExternal('https://github.com/rkclark/pullp/releases');
+    }
+  };
+
+  autoUpdater.on('update-available', info => {
+    dialog.showMessageBox(
+      mainWindow,
+      {
+        type: 'info',
+        title: 'Update Available',
+        message: `Version ${info.version} of Pullp is now available!`,
+        buttons: ['Get the update', 'Skip for now'],
+      },
+      linkToUpdatePage,
+    );
+  });
 });
 
 // Quit when all windows are closed.