background.ts

'use strict';

import { app, BrowserWindow, protocol } from 'electron';
import { ipcMain as ipc } from 'electron';
import {
  createProtocol,
  installVueDevtools
} from 'vue-cli-plugin-electron-builder/lib';
import db from './db';
const isDevelopment = process.env.NODE_ENV !== 'production';

// Keep a global reference of the window object, if you don't, the window will
// be closed automatically when the JavaScript object is garbage collected.
let win: BrowserWindow | null;

// Standard scheme must be registered before the app is ready
protocol.registerStandardSchemes(['app'], { secure: true });
function createWindow() {
  // Create the browser window.
  win = new BrowserWindow({ width: 1200, height: 800 });

  if (process.env.WEBPACK_DEV_SERVER_URL) {
    // Load the url of the dev server if in development mode
    win.loadURL(process.env.WEBPACK_DEV_SERVER_URL as string);
    if (!process.env.IS_TEST) { win.webContents.openDevTools(); }
  } else {
    createProtocol('app');
    // Load the index.html when not in development
    win.loadURL('app://./index.html');
  }

  win.on('closed', () => {
    win = null;
  });
}

// Quit when all windows are closed.
app.on('window-all-closed', () => {
  // On macOS it is common for applications and their menu bar
  // to stay active until the user quits explicitly with Cmd + Q
  if (process.platform !== 'darwin') {
    app.quit();
  }
});

app.on('activate', () => {
  // On macOS it's common to re-create a window in the app when the
  // dock icon is clicked and there are no other windows open.
  if (win === null) {
    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', async () => {
  if (isDevelopment && !process.env.IS_TEST) {
    // Install Vue Devtools
    try {
      await installVueDevtools();
    } catch (e) {
      // tslint:disable-next-line: no-console
      console.error('Vue Devtools failed to install:', e.toString());
    }
  }
  createWindow();
});

// Exit cleanly on request from parent process in development mode.
if (isDevelopment) {
  if (process.platform === 'win32') {
    process.on('message', (data) => {
      if (data === 'graceful-exit') {
        app.quit();
      }
    });
  } else {
    process.on('SIGTERM', () => {
      app.quit();
    });
  }
}

ipc.on('testePg', (event: any, arg: any) => {
  db.query('SELECT prod_codigo, prod_descricao, prod_codbarras from produtos where prod_descricao ilike $1', [arg.descricao], (err: any, res: any) => {
    if (err) {
      console.error(err);
    }
    event.sender.send('testePg', res.rows);
  });
});