MovieMapper/main.js
Jarian Cottingham 102167a365 Fix episode range format to include E prefix on both episodes
- Changed S05E01-03 to S05E01-E03 (proper format with E prefix on end episode)
- File now names correctly as 'Demon Slayer S05E01-E03 - 1080p.mkv'
2026-02-25 00:34:16 -06:00

901 lines
29 KiB
JavaScript

const { app, BrowserWindow, dialog, ipcMain } = require('electron');
const path = require('path');
const { scanDirectory, extractFileMetadata } = require('./utils/fileUtils');
const dotenv = require('dotenv');
// Load environment variables from .env file
dotenv.config();
// Check if a directory was passed as command line argument
const commandLineDirectory = process.argv.find(arg => arg.startsWith('--dir=') || arg.startsWith('-d='))?.split('=')[1];
// Debug: Log command line arguments
console.log('Command line arguments:', process.argv);
console.log('Parsed directory:', commandLineDirectory);
// Handle creating/removing shortcuts on Windows when installing/uninstalling.
try {
if (require('electron-squirrel-startup')) {
app.quit();
}
} catch (error) {
// electron-squirrel-startup not available on non-Windows platforms
console.log('electron-squirrel-startup not available (expected on non-Windows platforms)');
}
let mainWindow;
// Create the browser window.
function createWindow() {
mainWindow = new BrowserWindow({
width: 1200,
height: 800,
webPreferences: {
nodeIntegration: true,
contextIsolation: false,
enableRemoteModule: true,
},
});
// and load the index.html of the app.
mainWindow.loadFile('index.html');
// If a directory was provided in command line, automatically select it
if (commandLineDirectory) {
console.log('Auto-selecting directory:', commandLineDirectory);
// Send a message to the renderer to automatically select the directory
setTimeout(() => {
mainWindow.webContents.send('auto-select-directory', commandLineDirectory);
}, 1000);
}
}
// IPC handler for selecting directory
ipcMain.handle('select-directory', async () => {
try {
const result = await dialog.showOpenDialog({
properties: ['openDirectory']
});
if (result.canceled) {
return { success: false, error: 'No directory selected' };
}
return {
success: true,
directory: result.filePaths[0]
};
} catch (error) {
return { success: false, error: error.message };
}
});
// IPC handler for scanning directory
ipcMain.handle('scan-directory', async (event, directoryPath) => {
try {
if (!directoryPath) {
return { success: false, error: 'No directory path provided' };
}
// Progress callback to send updates to renderer
const progressCallback = (current, total, fileName) => {
if (mainWindow && mainWindow.webContents) {
mainWindow.webContents.send('scan-progress', { current, total, fileName });
}
};
const files = await scanDirectory(directoryPath, progressCallback);
return { success: true, files: files };
} catch (error) {
return { success: false, error: error.message };
}
});
// Enhanced logging for debugging problematic files
ipcMain.handle('log-file-info', async (event, filePath) => {
try {
const fs = require('fs');
const stats = fs.statSync(filePath);
return {
success: true,
fileInfo: {
path: filePath,
size: stats.size,
modified: stats.mtime,
isFile: stats.isFile(),
isDirectory: stats.isDirectory()
}
};
} catch (error) {
return { success: false, error: error.message };
}
});
// IPC handler for renaming file
ipcMain.handle('rename-file', async (event, { oldPath, newName }) => {
try {
const fs = require('fs');
const newPath = path.join(path.dirname(oldPath), newName);
// Check if file exists
if (!fs.existsSync(oldPath)) {
return { success: false, error: 'Original file does not exist' };
}
// Check if file is writable
try {
fs.accessSync(oldPath, fs.constants.W_OK);
} catch (err) {
return { success: false, error: 'File is not writable' };
}
// Rename the file
fs.renameSync(oldPath, newPath);
// Write audit log
const fileDir = path.dirname(oldPath);
writeAuditLog(fileDir, 'rename_file', {
oldPath: oldPath,
newPath: newPath,
oldName: path.basename(oldPath),
newName: newName
});
return { success: true, message: 'File renamed successfully' };
} catch (error) {
return { success: false, error: error.message };
}
});
// Create log file for debugging
const fs = require('fs');
// Ensure log file exists at startup
const logFilePath = path.join(__dirname, 'app-debug.log');
try {
// Try to create or truncate the log file
fs.writeFileSync(logFilePath, `=== Application started at ${new Date().toISOString()} ===\n`);
console.log('Debug log file created successfully at:', logFilePath);
} catch (error) {
console.error('Failed to create debug log file:', error.message);
throw new Error('Cannot create debug log file - check permissions');
}
function writeLog(message) {
const timestamp = new Date().toISOString();
const logEntry = `[${timestamp}] ${message}\n`;
try {
fs.appendFileSync(logFilePath, logEntry);
console.log(logEntry.trim());
} catch (error) {
console.error('Failed to write to log file:', error.message);
}
}
// Function to write audit log to directory-specific audit file
function writeAuditLog(directoryPath, action, details) {
const auditFileName = '.audit';
const auditFilePath = path.join(directoryPath, auditFileName);
const timestamp = new Date().toISOString();
const auditEntry = {
timestamp: timestamp,
action: action,
details: details
};
try {
const entryString = JSON.stringify(auditEntry) + '\n';
fs.appendFileSync(auditFilePath, entryString);
writeLog(`Audit entry written: ${action} - ${JSON.stringify(details)}`);
} catch (error) {
writeLog(`Failed to write audit entry: ${error.message}`);
console.error('Failed to write audit entry:', error.message);
}
}
// IPC handler for moving file to folder
ipcMain.handle('move-file-to-folder', async (event, { filePath, folderName }) => {
try {
writeLog(`Move file request received: ${filePath} to ${folderName}`);
// Note: fs and path are already required at the top level
// Check if file exists
if (!fs.existsSync(filePath)) {
const error = 'File does not exist';
writeLog(`ERROR: ${error}`);
return { success: false, error: error };
}
// Validate folder name and map to actual folder names
// "extra" maps to "extras" for Jellyfin compatibility
const validFolders = ['extra', 'commentary', 'delete'];
if (!validFolders.includes(folderName)) {
const error = 'Invalid folder name. Must be "extra", "commentary", or "delete"';
writeLog(`ERROR: ${error}`);
return { success: false, error: error };
}
// Map folder names to actual directory names
let actualFolderName;
if (folderName === 'extra') {
actualFolderName = 'extras';
} else {
actualFolderName = folderName; // 'commentary' and 'delete' stay as-is
}
// Get directory containing the file
const fileDir = path.dirname(filePath);
const targetFolder = path.join(fileDir, actualFolderName);
writeLog(`Moving file from: ${filePath}`);
writeLog(`Target folder: ${targetFolder}`);
// Create the target folder if it doesn't exist
if (!fs.existsSync(targetFolder)) {
writeLog(`Creating target folder: ${targetFolder}`);
fs.mkdirSync(targetFolder, { recursive: true });
}
// Generate new file path
const fileName = path.basename(filePath);
const newFilePath = path.join(targetFolder, fileName);
writeLog(`New file path: ${newFilePath}`);
// Check if file with same name already exists in target folder
if (fs.existsSync(newFilePath)) {
const error = 'File with same name already exists in target folder';
writeLog(`ERROR: ${error}`);
return { success: false, error: error };
}
// Move the file
writeLog('Moving file...');
fs.renameSync(filePath, newFilePath);
writeLog(`File moved successfully to: ${newFilePath}`);
// Write audit log
writeAuditLog(fileDir, 'move_file', {
originalPath: filePath,
newPath: newFilePath,
folder: folderName
});
return { success: true, message: `File moved to ${folderName} folder successfully` };
} catch (error) {
writeLog(`CRITICAL ERROR in move-file-to-folder: ${error.message}`);
writeLog(`Stack trace: ${error.stack}`);
return { success: false, error: error.message };
}
});
// IPC handler for beginning the mapping process
ipcMain.handle('begin-mapping', async (event, { directory, files, tvdbId }) => {
writeLog(`[BEGIN-MAPPING] Starting mapping for ${files.length} files in ${directory}`);
try {
const fs = require('fs');
const path = require('path');
// Get season folder name (direct parent of files)
const seasonFolder = path.basename(directory);
// Get show folder (parent of season folder)
const showFolderPath = path.dirname(directory);
const showFolderName = path.basename(showFolderPath);
// Extract season number from folder name (e.g., "Season 01" -> 1, "S01" -> 1)
const seasonMatch = seasonFolder.match(/(?:season\s*|s)(\d+)/i);
const seasonNumber = seasonMatch ? parseInt(seasonMatch[1]) : 1;
writeLog(`[BEGIN-MAPPING] Show folder: ${showFolderName}, Season: ${seasonNumber}`);
// Extract clean show name (without tvdbid bracket if present)
// Matches [tvdbid-XXXXX] or [tvdbid-series-XXXXX] formats
// Also removes leading semicolons or other problematic characters
let showName = showFolderName.replace(/\s*\[tvdbid-[^\]]+\]/, '').trim();
showName = showName.replace(/^[;:]+/, '').trim();
// Rename each file first (using original paths)
let successCount = 0;
let errorCount = 0;
for (const file of files) {
try {
const oldPath = file.filePath;
const ext = path.extname(oldPath);
const seasonNum = String(seasonNumber).padStart(2, '0');
// Handle episode ranges (e.g., "1-3" for multiple episodes)
const episodeStart = file.episodeStart || file.episodeNumber || 1;
const episodeEnd = file.episodeEnd !== undefined ? file.episodeEnd : episodeStart;
// If range is valid (start < end), create multi-episode files
if (episodeEnd > episodeStart) {
// Multi-episode range (e.g., "ShowName S01E01-E03 - 1080p.ext")
const startEpNum = String(episodeStart).padStart(2, '0');
const endEpNum = String(episodeEnd).padStart(2, '0');
let newFileName = `${showName} S${seasonNum}E${startEpNum}-E${endEpNum}`;
if (file.quality && file.quality !== 'N/A' && file.quality !== '-') {
newFileName += ` - ${file.quality}`;
}
newFileName += ext;
const newPath = path.join(path.dirname(oldPath), newFileName);
writeLog(`[BEGIN-MAPPING] Processing range: ${episodeStart}-${episodeEnd}, new filename: ${newFileName}`);
// Check if target already exists
if (fs.existsSync(newPath)) {
writeLog(`[BEGIN-MAPPING] Target exists, skipping: ${newFileName}`);
errorCount++;
continue;
}
fs.renameSync(oldPath, newPath);
writeLog(`[BEGIN-MAPPING] Renamed range: ${path.basename(oldPath)} -> ${newFileName}`);
successCount++;
} else {
// Single episode (original logic)
const epNum = String(episodeStart).padStart(2, '0');
let newFileName = `${showName} S${seasonNum}E${epNum}`;
if (file.quality && file.quality !== 'N/A' && file.quality !== '-') {
newFileName += ` - ${file.quality}`;
}
newFileName += ext;
const newPath = path.join(path.dirname(oldPath), newFileName);
// Skip if file already has the correct name
if (oldPath === newPath) {
writeLog(`[BEGIN-MAPPING] File already mapped: ${path.basename(oldPath)}`);
successCount++;
continue;
}
// Check if target already exists
if (fs.existsSync(newPath)) {
writeLog(`[BEGIN-MAPPING] Target exists, skipping: ${newFileName}`);
errorCount++;
continue;
}
fs.renameSync(oldPath, newPath);
writeLog(`[BEGIN-MAPPING] Renamed: ${path.basename(oldPath)} -> ${newFileName}`);
successCount++;
}
} catch (fileErr) {
writeLog(`[BEGIN-MAPPING] Error renaming file: ${fileErr.message}`);
errorCount++;
}
}
// Now rename show folder at the end (if needed)
let newDirectory = directory;
if (tvdbId && !showFolderName.includes('[tvdbid-')) {
const newShowFolderName = `${showFolderName} [tvdbid-${tvdbId}]`;
const newShowFolderPath = path.join(path.dirname(showFolderPath), newShowFolderName);
try {
fs.renameSync(showFolderPath, newShowFolderPath);
writeLog(`[BEGIN-MAPPING] Renamed show folder to: ${newShowFolderName}`);
newDirectory = path.join(newShowFolderPath, seasonFolder);
writeLog(`[BEGIN-MAPPING] New directory path: ${newDirectory}`);
} catch (renameErr) {
writeLog(`[BEGIN-MAPPING] Could not rename show folder: ${renameErr.message}`);
}
}
writeLog(`[BEGIN-MAPPING] Complete. Success: ${successCount}, Errors: ${errorCount}`);
return { success: true, renamed: successCount, errors: errorCount, newDirectory: newDirectory };
} catch (error) {
writeLog(`[BEGIN-MAPPING] Critical error: ${error.message}`);
return { success: false, error: error.message };
}
});
// Function to test moving files (for debugging purposes)
function testMoveFunction() {
// This is for testing the function directly from main process
console.log('Testing move function directly...');
const fs = require('fs');
const path = require('path');
const testDir = path.join(__dirname, 'test_debug');
const testFilePath = path.join(testDir, 'test_video.mp4');
// Clean up test dir
if (fs.existsSync(testDir)) {
fs.rmSync(testDir, { recursive: true });
}
// Create test dir and file
fs.mkdirSync(testDir, { recursive: true });
fs.writeFileSync(testFilePath, 'test content');
console.log('Created test file:', testFilePath);
// Test moving to extra
const targetFolder = path.join(testDir, 'extra');
fs.mkdirSync(targetFolder, { recursive: true });
const newFilePath = path.join(targetFolder, 'test_video.mp4');
fs.renameSync(testFilePath, newFilePath);
console.log('Test move completed successfully');
console.log('File now at:', newFilePath);
}
// IPC handler for searching TVDB
ipcMain.handle('search-tvdb', async (event, query) => {
try {
// Import required modules
const axios = require('axios');
// Get API key from environment
const apiKey = process.env.TVDB_API_KEY || process.env.API_KEY;
if (!apiKey) {
throw new Error('TVDB_API_KEY not found in environment variables');
}
// For TVDB v4 API, we need to first get an authentication token
// The token is valid for 1 month
let token = null;
// Try to get token from cache or login
try {
const loginResponse = await axios.post('https://api4.thetvdb.com/v4/login', {
apikey: apiKey
}, {
headers: {
'Content-Type': 'application/json',
'Accept': 'application/json'
}
});
token = loginResponse.data.data.token;
} catch (loginError) {
console.error('TVDB Login Error:', loginError.message);
throw new Error('Failed to authenticate with TVDB API: ' + loginError.message);
}
// Make API request to TheTVDB v4 search endpoint
const response = await axios.get('https://api4.thetvdb.com/v4/search', {
headers: {
'Authorization': `Bearer ${token}`,
'Content-Type': 'application/json',
'Accept': 'application/json'
},
params: {
query: query
}
});
// Process the results - v4 API returns different structure
const results = response.data.data.map(show => ({
id: show.id,
seriesName: show.name,
status: show.status?.name,
firstAired: show.firstAired,
overview: show.overview,
image: show.image,
slug: show.slug
}));
return { success: true, results: results };
} catch (error) {
console.error('TVDB API Error:', error.message);
console.error('Error status:', error.response?.status);
console.error('Error data:', error.response?.data);
// No more mock data - propagate the actual error
return { success: false, error: 'Failed to fetch data from TVDB API: ' + error.message };
}
});
// IPC handler for getting show details including seasons
ipcMain.handle('get-show-details', async (event, showId) => {
try {
// Import required modules
const axios = require('axios');
// Get API key from environment
const apiKey = process.env.TVDB_API_KEY || process.env.API_KEY;
if (!apiKey) {
throw new Error('TVDB_API_KEY not found in environment variables');
}
// For TVDB v4 API, we need to first get an authentication token
let token = null;
// Try to get token from cache or login
try {
const loginResponse = await axios.post('https://api4.thetvdb.com/v4/login', {
apikey: apiKey
}, {
headers: {
'Content-Type': 'application/json',
'Accept': 'application/json'
}
});
token = loginResponse.data.data.token;
} catch (loginError) {
console.error('TVDB Login Error:', loginError.message);
throw new Error('Failed to authenticate with TVDB API: ' + loginError.message);
}
// Extract numeric ID from the show ID (handle both formats: series-73011 and 73011)
let numericId = showId;
if (showId && showId.startsWith('series-')) {
numericId = showId.split('series-')[1];
}
// Get extended show details which includes season information
const response = await axios.get(`https://api4.thetvdb.com/v4/series/${numericId}/extended`, {
headers: {
'Authorization': `Bearer ${token}`,
'Content-Type': 'application/json',
'Accept': 'application/json'
}
});
if (response.data && response.data.data) {
const showData = response.data.data;
// Fetch episodes to count per season
let episodeCounts = {};
try {
const episodesResponse = await axios.get(`https://api4.thetvdb.com/v4/series/${numericId}/episodes/default`, {
headers: {
'Authorization': `Bearer ${token}`,
'Content-Type': 'application/json',
'Accept': 'application/json'
},
params: { page: 0 }
});
if (episodesResponse.data?.data?.episodes) {
episodesResponse.data.data.episodes.forEach(ep => {
const sn = ep.seasonNumber;
episodeCounts[sn] = (episodeCounts[sn] || 0) + 1;
});
}
} catch (epError) {
console.log('Could not fetch episodes for count:', epError.message);
}
// Extract season information properly
let seasons = [];
if (showData.seasons && Array.isArray(showData.seasons)) {
seasons = showData.seasons.map(season => ({
id: season.id,
number: season.number,
type: season.type?.name || 'Unknown',
episodeCount: episodeCounts[season.number] || 0
}));
}
return {
success: true,
data: {
id: showData.id,
name: showData.name,
status: showData.status?.name || showData.status,
firstAired: showData.firstAired,
overview: showData.overview,
image: showData.image,
slug: showData.slug,
seasons: seasons
}
};
} else {
throw new Error('Invalid response structure from TVDB API');
}
} catch (error) {
console.error('TVDB API Error getting show details:', error.message);
console.error('Error status:', error.response?.status);
console.error('Error data:', error.response?.data);
// Return the error without trying fallbacks that cause scope issues
return { success: false, error: 'Failed to fetch show details from TVDB API: ' + error.message };
}
});
// IPC handler for getting season episodes
ipcMain.handle('get-season-episodes', async (event, showId, seasonNumber) => {
try {
// Import required modules
const axios = require('axios');
// Get API key from environment
const apiKey = process.env.TVDB_API_KEY || process.env.API_KEY;
if (!apiKey) {
throw new Error('TVDB_API_KEY not found in environment variables');
}
// For TVDB v4 API, we need to first get an authentication token
let token = null;
// Try to get token from cache or login
try {
const loginResponse = await axios.post('https://api4.thetvdb.com/v4/login', {
apikey: apiKey
}, {
headers: {
'Content-Type': 'application/json',
'Accept': 'application/json'
}
});
token = loginResponse.data.data.token;
} catch (loginError) {
console.error('TVDB Login Error:', loginError.message);
throw new Error('Failed to authenticate with TVDB API: ' + loginError.message);
}
// Extract numeric ID from the show ID (handle both formats: series-73011 and 73011)
let numericId = showId;
if (showId && showId.startsWith('series-')) {
numericId = showId.split('series-')[1];
}
// Try to get episodes for a specific season using the correct endpoint structure
// Based on the API documentation, we should use: /series/{id}/episodes/{season-type}
// where season-type can be "default", "aired", "dvd", etc.
try {
// First try the season-specific endpoint
const episodesResponse = await axios.get(`https://api4.thetvdb.com/v4/series/${numericId}/episodes/default`, {
headers: {
'Authorization': `Bearer ${token}`,
'Content-Type': 'application/json',
'Accept': 'application/json'
},
params: {
page: 0
}
});
if (episodesResponse.data && episodesResponse.data.data) {
// Process episodes and filter by season number
const episodes = episodesResponse.data.data.episodes ? episodesResponse.data.data.episodes
.filter(episode => episode.seasonNumber === seasonNumber)
.map(episode => ({
id: episode.id,
name: episode.name,
number: episode.number,
seasonNumber: episode.seasonNumber,
aired: episode.aired,
overview: episode.overview,
runtime: episode.runtime
})) : [];
return {
success: true,
data: {
showId: showId,
seasonNumber: seasonNumber,
episodes: episodes
}
};
}
} catch (seasonError) {
console.log('Season-specific endpoint failed, falling back to all episodes:', seasonError.message);
// If season-specific endpoint fails, fall back to getting all episodes and filtering
const episodesResponse = await axios.get(`https://api4.thetvdb.com/v4/series/${numericId}/episodes`, {
headers: {
'Authorization': `Bearer ${token}`,
'Content-Type': 'application/json',
'Accept': 'application/json'
},
params: {
page: 0
}
});
if (episodesResponse.data && episodesResponse.data.data) {
// Process episodes and filter by season number
const episodes = episodesResponse.data.data.episodes ? episodesResponse.data.data.episodes
.filter(episode => episode.seasonNumber === seasonNumber)
.map(episode => ({
id: episode.id,
name: episode.name,
number: episode.number,
seasonNumber: episode.seasonNumber,
aired: episode.aired,
overview: episode.overview,
runtime: episode.runtime
})) : [];
return {
success: true,
data: {
showId: showId,
seasonNumber: seasonNumber,
episodes: episodes
}
};
}
}
throw new Error('Failed to fetch episodes from both endpoints');
} catch (error) {
console.error('TVDB API Error getting season episodes:', error.message);
console.error('Error status:', error.response?.status);
console.error('Error data:', error.response?.data);
// Return a more specific error message for debugging
return {
success: false,
error: 'Failed to fetch season episodes from TVDB API: ' + error.message,
debug: {
showId: showId,
seasonNumber: seasonNumber,
status: error.response?.status,
data: error.response?.data
}
};
}
});
// Test function to verify API connectivity
ipcMain.handle('test-tvdb-api', async () => {
try {
// Test actual API connectivity
const axios = require('axios');
const apiKey = process.env.TVDB_API_KEY || process.env.API_KEY;
if (!apiKey) {
return {
success: false,
error: 'TVDB_API_KEY not found in environment variables'
};
}
// Test login endpoint
const loginResponse = await axios.post('https://api4.thetvdb.com/v4/login', {
apikey: apiKey
}, {
headers: {
'Content-Type': 'application/json',
'Accept': 'application/json'
}
});
if (loginResponse.data && loginResponse.data.data && loginResponse.data.data.token) {
return {
success: true,
message: 'TVDB API test successful - Token obtained',
timestamp: new Date().toISOString()
};
} else {
return {
success: false,
error: 'TVDB API test failed - No token received'
};
}
} catch (error) {
return {
success: false,
error: 'TVDB API test failed: ' + error.message
};
}
});
// IPC handler for moving file to extras folder
ipcMain.handle('move-to-extras', async (event, filePath) => {
try {
const fs = require('fs');
const path = require('path');
// Check if file exists
if (!fs.existsSync(filePath)) {
return { success: false, error: 'File does not exist' };
}
// Get the directory of the file
const fileDir = path.dirname(filePath);
const extrasDir = path.join(fileDir, 'extras');
// Create extras directory if it doesn't exist
if (!fs.existsSync(extrasDir)) {
fs.mkdirSync(extrasDir, { recursive: true });
}
// Get the filename
const fileName = path.basename(filePath);
// Construct the destination path
const destPath = path.join(extrasDir, fileName);
// Move the file
fs.renameSync(filePath, destPath);
return {
success: true,
message: 'File moved to extras folder successfully',
sourcePath: filePath,
destinationPath: destPath
};
} catch (error) {
console.error('Error moving file to extras:', error);
return { success: false, error: error.message };
}
});
// IPC handler for opening file in default player
ipcMain.handle('open-file-in-player', async (event, filePath) => {
try {
const { exec } = require('child_process');
// Open file in default player based on OS
let command;
if (process.platform === 'darwin') {
// macOS
command = `open "${filePath}"`;
} else if (process.platform === 'win32') {
// Windows
command = `start "" "${filePath}"`;
} else {
// Linux
command = `xdg-open "${filePath}"`;
}
exec(command, (error, stdout, stderr) => {
if (error) {
console.error('Error opening file:', error);
return { success: false, error: error.message };
}
console.log('File opened successfully:', filePath);
});
return { success: true, message: 'File opened in default player' };
} catch (error) {
console.error('Error opening file in player:', error);
return { success: false, error: error.message };
}
});
// IPC handler for logging audit events
ipcMain.handle('log-audit-event', async (event, { directoryPath, action, details }) => {
try {
writeAuditLog(directoryPath, action, details);
return { success: true, message: 'Audit event logged successfully' };
} catch (error) {
console.error('Error logging audit event:', error);
return { success: false, error: error.message };
}
});
// This method will be called when Electron has finished
// initialization and is ready to create browser windows.
app.whenReady().then(createWindow);
// Quit when all windows are closed, except on macOS. There, it's common
// for applications and their menu bar to stay active until the user quits
// explicitly with Cmd + Q.
app.on('window-all-closed', () => {
if (process.platform !== 'darwin') {
app.quit();
}
});
app.on('activate', () => {
// On OS X 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 (BrowserWindow.getAllWindows().length === 0) {
createWindow();
}
});