import fs from 'fs';
import path from 'path';
import { logger } from './logger';
export class FileUtils {
static ensureDirectory(dirPath: string): void {
if (!fs.existsSync(dirPath)) {
fs.mkdirSync(dirPath, { recursive: true });
logger.info(`Created directory: ${dirPath}`);
}
}
static deleteFile(filePath: string): boolean {
try {
if (fs.existsSync(filePath)) {
fs.unlinkSync(filePath);
logger.info(`Deleted file: ${filePath}`);
return true;
}
return false;
} catch (error: any) {
logger.error(`Failed to delete file: ${filePath}`, { error: error.message });
return false;
}
}
static deleteDirectory(dirPath: string): boolean {
try {
if (fs.existsSync(dirPath)) {
fs.rmSync(dirPath, { recursive: true, force: true });
logger.info(`Deleted directory: ${dirPath}`);
return true;
}
return false;
} catch (error: any) {
logger.error(`Failed to delete directory: ${dirPath}`, { error: error.message });
return false;
}
}
static getDirectorySize(dirPath: string): number {
let totalSize = 0;
if (!fs.existsSync(dirPath)) {
return totalSize;
}
const items = fs.readdirSync(dirPath);
for (const item of items) {
const itemPath = path.join(dirPath, item);
const stats = fs.statSync(itemPath);
if (stats.isDirectory()) {
totalSize += this.getDirectorySize(itemPath);
} else {
totalSize += stats.size;
}
}
return totalSize;
}
static countFiles(dirPath: string): number {
let count = 0;
if (!fs.existsSync(dirPath)) {
return count;
}
const items = fs.readdirSync(dirPath);
for (const item of items) {
const itemPath = path.join(dirPath, item);
const stats = fs.statSync(itemPath);
if (stats.isDirectory()) {
count += this.countFiles(itemPath);
} else {
count++;
}
}
return count;
}
static formatBytes(bytes: number): string {
const sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB'];
if (bytes === 0) return '0 Bytes';
const i = Math.floor(Math.log(bytes) / Math.log(1024));
return Math.round(bytes / Math.pow(1024, i) * 100) / 100 + ' ' + sizes[i];
}
static isValidFileName(fileName: string): boolean {
// Check for invalid characters
const invalidChars = /[<>:"|?*\x00-\x1f]/;
if (invalidChars.test(fileName)) {
return false;
}
// Check for reserved names (Windows)
const reservedNames = /^(CON|PRN|AUX|NUL|COM[1-9]|LPT[1-9])$/i;
if (reservedNames.test(fileName)) {
return false;
}
// Check length
if (fileName.length === 0 || fileName.length > 255) {
return false;
}
return true;
}
}
