index.js

const {app, BrowserWindow, ipcMain, Menu, shell, globalShortcut} = require('electron')
const path = require('path')
const url = require('url')
const fs = require('fs');

var auth = require("./auth/login.js");

var signup = require("./auth/signup.js");
var clock = require("./auth/clock")
var emp = require('./models/employees')

// 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
let confirmWin
let userDataConfig = path.join(app.getPath("userData"), "store.json");

function createWindow () {
  // Create the browser window.
  win = new BrowserWindow({width: 800, height: 600})

  // Open the DevTools.
  // win.webContents.openDevTools()

  const template = [
    {
      label: 'Edit',
      submenu: [
        {
          label: 'Clock',
          role: 'clock',
          click() { clockWindow(); }
        },
        {
          label: 'New Employee',
          role: 'New Employee',
          click() { newEmployee(); }
        },
        {
          label: 'New Admin',
          role: 'New Admin',
          click() { newAdmin(); }
        },
        {
          type: 'separator'
        },
        {
          label: 'Attendance',
          role: 'attendance',
          click() { attendance(); }
        },
        {
          label: 'Edit Employee',
          role: 'Edit Employee',
          click() { editEmployee(); }
        }
      ]
    },
    {
      label: 'Window',
      submenu: [
        {
          label: 'Logout',
          role: 'Logout',
          click() { logout(); }
        },
        {
          label: 'Quit',
          role: 'Quit',
          click() { quit(); }
        }
      ]
    },
    {
      role: 'help',
      submenu: [
        {
          label: 'Learn More',
          click () { shell.openExternal('http://electron.atom.io') }
        }
      ]
    }
  ]

  if (process.platform === 'darwin') {
    template.unshift({
      label: app.getName(),
      submenu: [
        {
          label: 'Clock',
          role: 'clock',
          click() { clockWindow(); }
        },
        {
          label: 'New Employee',
          role: 'New Employee',
          click() { newEmployee(); }
        },
        {
          label: 'New Admin',
          role: 'New Admin',
          click() { newAdmin(); }
        },
        {
          type: 'separator'
        },
        {
          label: 'Edit Employee',
          role: 'Edit Employee',
          click() { editEmployee(); }
        }
      ]
    })
    // Edit menu.
    template[1].submenu.push(
      {
        type: 'separator'
      },
      {
        label: 'Window',
        submenu: [
        {
          label: 'Logout',
          role: 'Logout',
          click() { logout(); }
        },
        {
          label: 'Quit',
          role: 'Quit',
          click() { quit(); }
        }
      ]
      }
    )
    // Window menu.
    template[3].submenu = [
      {
        label: 'Help',
        role: 'help',
        submenu: [
          {
            label: 'Learn More',
            click () { shell.openExternal('http://electron.atom.io') }
          }
        ]
    }
    ]
  }

  const menu = Menu.buildFromTemplate(template)
  Menu.setApplicationMenu(menu)


  // authenticate user before deciding the page to load.

  // and load the index.html of the app.
  var obj = parseDataFile(userDataConfig, {});
  if (obj.username && obj.password) {
    console.log("Username and password found");
    auth.login(obj.username, obj.password, checkLogin);
  } else {
    console.log("username and password not found\nCall loginWindow()...")
    loginWindow();
  }

  globalShortcut.register('CommandOrControl+R', () => {
    // Do stuff when Y and either Command/Control is pressed.
    win.reload();
  })

  globalShortcut.register('CommandOrControl+Shift+I', () => {
    // Do stuff when Y and either Command/Control is pressed.
    win.webContents.openDevTools();
  })

  // Emitted when the window is closed.
  win.on('closed', () => {
    // Dereference the window object, usually you would store windows
    // in an array if your app supports multi windows, this is the time
    // when you should delete the corresponding element.
    win = null
  })
}

// 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', createWindow)

// 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()
  }
})

// In this file you can include the rest of your app's specific main process
// code. You can also put them in separate files and require them here.
// exports.auth = require("./auth/login.js");

function quit() {
  app.quit();
}

function logout() {
  console.log("LOGOUT");
  var obj = parseDataFile(userDataConfig, {});
  obj.username = "";
  obj.password = "";
  storeDataFile(obj);
  loginWindow();
}

function editEmployee() {
  console.log("new employee");
}

function newAdmin() {
  console.log("new admin");
}

function newEmployee() {
  console.log("new employee")
  win.setMenuBarVisibility(true);
  win.loadURL(url.format({
      pathname: path.join(__dirname + "/pages/", 'newemployee.html'), // load the new employee form page
      protocol: 'file:',
      slashes: true
    }));
}

function attendance() {
  console.log("attendance...");
  win.setMenuBarVisibility(true);
  win.loadURL(url.format({
      pathname: path.join(__dirname + "/pages/", 'attendance.html'), // load the attendance page
      protocol: 'file:',
      slashes: true
    }));
}

function parseDataFile(filePath, defaults) {
  console.log("parsing data file from ", userDataConfig);
  // We'll try/catch it in case the file doesn't exist yet, which will be the case on the first application run.
  // `fs.readFileSync` will return a JSON string which we then parse into a Javascript object
  try {
    return JSON.parse(fs.readFileSync(filePath));
  } catch(error) {
    // if there was some kind of error, return the passed in defaults instead.
    return defaults;
  }
}

function storeDataFile(data) {
  console.log("storing data file to ", userDataConfig);
  fs.writeFileSync(userDataConfig, JSON.stringify(data));
}

function clockWindow() {
  console.log("loading clock window");
  win.setMenuBarVisibility(true);
    win.loadURL(url.format({
      pathname: path.join(__dirname + "/pages/", 'clock.html'), // load the clock in/out page
      protocol: 'file:',
      slashes: true
    }));
}

function loginWindow() {
  console.log("loading login window");
    win.loadURL(url.format({
      pathname: path.join(__dirname + "/pages/", 'index.html'),
      protocol: 'file:',
      slashes: true
    }))
    win.setMenuBarVisibility(false);
}

function confirmWindow(clock) {
  console.log("loading confirm window");
  confirmWin = new BrowserWindow({width: 450, height: 300, parent: win, modal: true});
  confirmWin.setMenuBarVisibility(false);
  if(clock == "in") {
      confirmWin.loadURL(url.format({
        pathname: path.join(__dirname + "/pages/", 'confirmin.html'),
        protocol: 'file:',
        slashes: true
      }))
  } else if (clock == "out") {
      confirmWin.loadURL(url.format({
        pathname: path.join(__dirname + "/pages/", 'confirmout.html'),
        protocol: 'file:',
        slashes: true
      }))
  }

  confirmWin.on("close", () => {
    confirmWin = null;
  })

}

function checkLogin(msg, uname, pass) {
  console.log("checking if login was successful...");
  if(msg == "ok") {
    var obj = parseDataFile(userDataConfig, {});
    obj.username = uname;
    obj.password = pass;
    storeDataFile(obj);
    clockWindow();
    return;      
  } else {
    loginWindow();
  }
}

function clockin(id, callback) {
  console.log("clockin()");
  clock.clockIN(id, callback);
}

// function clockout(id, callback) {
//   console.log("clockout()");
//   clock.clockOUT(id, callback);
// }

ipcMain.on('login', (event, arg) => {
    console.log("username:", arg.username);
    console.log("password:", arg.password);
    auth.login(arg.username, arg.password, checkLogin);
    // event.returnValue = "logged in";
});

ipcMain.on('clockin', (event, arg) => {
    console.log("request to clock in");
    clockin(arg.emp_id, function(message) {
      console.log("send :", message, ": to confirmin.html");
      event.sender.send("clockin", message);
    });
    // event.returnValue = "clocked in";
});

ipcMain.on('clockout', (event, arg) => {
    console.log("request to clock out");
    clock.clockOUT(arg.emp_id, function(message) {
      console.log("send :", message, ": to confirmout.html");
      event.sender.send("clockout", message);
    })
});

// employees currently plugged in
ipcMain.on('present', (event, arg) => {
    console.log("request for present employees");
    emp.getPresentEmployees(function(result) {
      event.sender.send("present", result);
    });
    // event.returnValue = "clocked Out";
});

ipcMain.on('signup', (event, emp) => {
  console.log("calling signup of employee");
  signup(emp, function(msg){
    event.sender.send("signup", msg);
  });
})

module.exports.confirmWindow = confirmWindow;
module.exports.clockin = clockin;
// module.exports.clockout = clockout;
module.exports.fprint = emp.fprint;