473 lines
14 KiB
TypeScript
473 lines
14 KiB
TypeScript
import { getFilesDir, getFileType, getTempDir } from '@main/utils/file'
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import { documentExts, imageExts } from '@shared/config/constant'
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import { FileType } from '@types'
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import * as crypto from 'crypto'
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import {
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dialog,
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OpenDialogOptions,
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OpenDialogReturnValue,
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SaveDialogOptions,
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SaveDialogReturnValue,
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shell
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} from 'electron'
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import logger from 'electron-log'
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import * as fs from 'fs'
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import { writeFileSync } from 'fs'
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import { readFile } from 'fs/promises'
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import officeParser from 'officeparser'
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import * as path from 'path'
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import { chdir } from 'process'
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import { v4 as uuidv4 } from 'uuid'
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class FileStorage {
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private storageDir = getFilesDir()
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private tempDir = getTempDir()
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constructor() {
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this.initStorageDir()
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}
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private initStorageDir = (): void => {
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if (!fs.existsSync(this.storageDir)) {
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fs.mkdirSync(this.storageDir, { recursive: true })
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}
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if (!fs.existsSync(this.tempDir)) {
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fs.mkdirSync(this.tempDir, { recursive: true })
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}
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}
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private getFileHash = async (filePath: string): Promise<string> => {
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return new Promise((resolve, reject) => {
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const hash = crypto.createHash('md5')
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const stream = fs.createReadStream(filePath)
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stream.on('data', (data) => hash.update(data))
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stream.on('end', () => resolve(hash.digest('hex')))
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stream.on('error', reject)
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})
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}
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findDuplicateFile = async (filePath: string): Promise<FileType | null> => {
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const stats = fs.statSync(filePath)
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const fileSize = stats.size
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const files = await fs.promises.readdir(this.storageDir)
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for (const file of files) {
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const storedFilePath = path.join(this.storageDir, file)
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const storedStats = fs.statSync(storedFilePath)
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if (storedStats.size === fileSize) {
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const [originalHash, storedHash] = await Promise.all([
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this.getFileHash(filePath),
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this.getFileHash(storedFilePath)
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])
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if (originalHash === storedHash) {
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const ext = path.extname(file)
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const id = path.basename(file, ext)
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return {
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id,
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origin_name: file,
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name: file + ext,
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path: storedFilePath,
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created_at: storedStats.birthtime.toISOString(),
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size: storedStats.size,
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ext,
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type: getFileType(ext),
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count: 2
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}
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}
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}
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}
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return null
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}
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public selectFile = async (
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_: Electron.IpcMainInvokeEvent,
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options?: OpenDialogOptions
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): Promise<FileType[] | null> => {
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const defaultOptions: OpenDialogOptions = {
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properties: ['openFile']
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}
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const dialogOptions = { ...defaultOptions, ...options }
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const result = await dialog.showOpenDialog(dialogOptions)
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if (result.canceled || result.filePaths.length === 0) {
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return null
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}
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const fileMetadataPromises = result.filePaths.map(async (filePath) => {
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const stats = fs.statSync(filePath)
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const ext = path.extname(filePath)
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const fileType = getFileType(ext)
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return {
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id: uuidv4(),
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origin_name: path.basename(filePath),
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name: path.basename(filePath),
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path: filePath,
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created_at: stats.birthtime.toISOString(),
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size: stats.size,
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ext: ext,
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type: fileType,
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count: 1
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}
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})
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return Promise.all(fileMetadataPromises)
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}
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private async compressImage(sourcePath: string, destPath: string): Promise<void> {
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try {
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const stats = fs.statSync(sourcePath)
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const fileSizeInMB = stats.size / (1024 * 1024)
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// 如果图片大于1MB才进行压缩
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if (fileSizeInMB > 1) {
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try {
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await fs.promises.copyFile(sourcePath, destPath)
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logger.info('[FileStorage] Image compressed successfully:', sourcePath)
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} catch (jimpError) {
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logger.error('[FileStorage] Image compression failed:', jimpError)
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await fs.promises.copyFile(sourcePath, destPath)
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}
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} else {
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// 小图片直接复制
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await fs.promises.copyFile(sourcePath, destPath)
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}
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} catch (error) {
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logger.error('[FileStorage] Image handling failed:', error)
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// 错误情况下直接复制原文件
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await fs.promises.copyFile(sourcePath, destPath)
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}
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}
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public uploadFile = async (_: Electron.IpcMainInvokeEvent, file: FileType): Promise<FileType> => {
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const duplicateFile = await this.findDuplicateFile(file.path)
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if (duplicateFile) {
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return duplicateFile
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}
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const uuid = uuidv4()
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const origin_name = path.basename(file.path)
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const ext = path.extname(origin_name).toLowerCase()
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const destPath = path.join(this.storageDir, uuid + ext)
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logger.info('[FileStorage] Uploading file:', file.path)
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// 根据文件类型选择处理方式
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if (imageExts.includes(ext)) {
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await this.compressImage(file.path, destPath)
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} else {
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await fs.promises.copyFile(file.path, destPath)
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}
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const stats = await fs.promises.stat(destPath)
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const fileType = getFileType(ext)
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const fileMetadata: FileType = {
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id: uuid,
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origin_name,
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name: uuid + ext,
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path: destPath,
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created_at: stats.birthtime.toISOString(),
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size: stats.size,
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ext: ext,
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type: fileType,
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count: 1
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}
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return fileMetadata
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}
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public getFile = async (_: Electron.IpcMainInvokeEvent, filePath: string): Promise<FileType | null> => {
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if (!fs.existsSync(filePath)) {
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return null
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}
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const stats = fs.statSync(filePath)
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const ext = path.extname(filePath)
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const fileType = getFileType(ext)
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const fileInfo: FileType = {
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id: uuidv4(),
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origin_name: path.basename(filePath),
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name: path.basename(filePath),
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path: filePath,
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created_at: stats.birthtime.toISOString(),
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size: stats.size,
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ext: ext,
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type: fileType,
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count: 1
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}
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return fileInfo
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}
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public deleteFile = async (_: Electron.IpcMainInvokeEvent, id: string): Promise<void> => {
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await fs.promises.unlink(path.join(this.storageDir, id))
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}
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public readFile = async (_: Electron.IpcMainInvokeEvent, id: string): Promise<string> => {
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const filePath = path.join(this.storageDir, id)
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if (documentExts.includes(path.extname(filePath))) {
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const originalCwd = process.cwd()
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try {
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chdir(this.tempDir)
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const data = await officeParser.parseOfficeAsync(filePath)
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chdir(originalCwd)
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return data
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} catch (error) {
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chdir(originalCwd)
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logger.error(error)
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throw error
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}
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}
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return fs.readFileSync(filePath, 'utf8')
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}
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public createTempFile = async (_: Electron.IpcMainInvokeEvent, fileName: string): Promise<string> => {
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if (!fs.existsSync(this.tempDir)) {
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fs.mkdirSync(this.tempDir, { recursive: true })
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}
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const tempFilePath = path.join(this.tempDir, `temp_file_${uuidv4()}_${fileName}`)
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return tempFilePath
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}
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public writeFile = async (
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_: Electron.IpcMainInvokeEvent,
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filePath: string,
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data: Uint8Array | string
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): Promise<void> => {
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await fs.promises.writeFile(filePath, data)
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}
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public base64Image = async (
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_: Electron.IpcMainInvokeEvent,
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id: string
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): Promise<{ mime: string; base64: string; data: string }> => {
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const filePath = path.join(this.storageDir, id)
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const data = await fs.promises.readFile(filePath)
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const base64 = data.toString('base64')
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const ext = path.extname(filePath).slice(1) == 'jpg' ? 'jpeg' : path.extname(filePath).slice(1)
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const mime = `image/${ext}`
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return {
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mime,
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base64,
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data: `data:${mime};base64,${base64}`
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}
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}
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public binaryFile = async (_: Electron.IpcMainInvokeEvent, id: string): Promise<{ data: Buffer; mime: string }> => {
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const filePath = path.join(this.storageDir, id)
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const data = await fs.promises.readFile(filePath)
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const mime = `image/${path.extname(filePath).slice(1)}`
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return { data, mime }
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}
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public clear = async (): Promise<void> => {
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await fs.promises.rm(this.storageDir, { recursive: true })
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await this.initStorageDir()
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}
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public clearTemp = async (): Promise<void> => {
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await fs.promises.rm(this.tempDir, { recursive: true })
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await fs.promises.mkdir(this.tempDir, { recursive: true })
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}
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public open = async (
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_: Electron.IpcMainInvokeEvent,
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options: OpenDialogOptions
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): Promise<{ fileName: string; filePath: string; content: Buffer } | null> => {
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try {
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const result: OpenDialogReturnValue = await dialog.showOpenDialog({
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title: '打开文件',
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properties: ['openFile'],
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filters: [{ name: '所有文件', extensions: ['*'] }],
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...options
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})
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if (!result.canceled && result.filePaths.length > 0) {
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const filePath = result.filePaths[0]
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const fileName = filePath.split('/').pop() || ''
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const content = await readFile(filePath)
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return { fileName, filePath, content }
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}
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return null
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} catch (err) {
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logger.error('[IPC - Error]', 'An error occurred opening the file:', err)
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return null
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}
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}
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public openPath = async (_: Electron.IpcMainInvokeEvent, path: string): Promise<void> => {
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shell.openPath(path).catch((err) => logger.error('[IPC - Error] Failed to open file:', err))
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}
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public save = async (
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_: Electron.IpcMainInvokeEvent,
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fileName: string,
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content: string,
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options?: SaveDialogOptions
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): Promise<string | null> => {
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try {
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const result: SaveDialogReturnValue = await dialog.showSaveDialog({
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title: '保存文件',
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defaultPath: fileName,
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...options
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})
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if (!result.canceled && result.filePath) {
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await writeFileSync(result.filePath, content, { encoding: 'utf-8' })
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}
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return result.filePath
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} catch (err) {
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logger.error('[IPC - Error]', 'An error occurred saving the file:', err)
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return null
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}
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}
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public saveImage = async (_: Electron.IpcMainInvokeEvent, name: string, data: string): Promise<void> => {
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try {
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const filePath = dialog.showSaveDialogSync({
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defaultPath: `${name}.png`,
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filters: [{ name: 'PNG Image', extensions: ['png'] }]
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})
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if (filePath) {
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const base64Data = data.replace(/^data:image\/png;base64,/, '')
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fs.writeFileSync(filePath, base64Data, 'base64')
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}
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} catch (error) {
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logger.error('[IPC - Error]', 'An error occurred saving the image:', error)
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}
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}
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public selectFolder = async (_: Electron.IpcMainInvokeEvent, options: OpenDialogOptions): Promise<string | null> => {
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try {
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const result: OpenDialogReturnValue = await dialog.showOpenDialog({
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title: '选择文件夹',
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properties: ['openDirectory'],
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...options
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})
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if (!result.canceled && result.filePaths.length > 0) {
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return result.filePaths[0]
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}
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return null
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} catch (err) {
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logger.error('[IPC - Error]', 'An error occurred selecting the folder:', err)
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return null
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}
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}
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public downloadFile = async (_: Electron.IpcMainInvokeEvent, url: string): Promise<FileType> => {
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try {
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const response = await fetch(url)
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if (!response.ok) {
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throw new Error(`HTTP error! status: ${response.status}`)
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}
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// 尝试从Content-Disposition获取文件名
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const contentDisposition = response.headers.get('Content-Disposition')
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let filename = 'download'
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if (contentDisposition) {
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const filenameMatch = contentDisposition.match(/filename="?(.+)"?/i)
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if (filenameMatch) {
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filename = filenameMatch[1]
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}
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}
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// 如果URL中有文件名，使用URL中的文件名
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const urlFilename = url.split('/').pop()?.split('?')[0]
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if (urlFilename && urlFilename.includes('.')) {
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filename = urlFilename
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}
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// 如果文件名没有后缀，根据Content-Type添加后缀
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if (!filename.includes('.')) {
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const contentType = response.headers.get('Content-Type')
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const ext = this.getExtensionFromMimeType(contentType)
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filename += ext
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}
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const uuid = uuidv4()
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const ext = path.extname(filename)
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const destPath = path.join(this.storageDir, uuid + ext)
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// 将响应内容写入文件
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const buffer = Buffer.from(await response.arrayBuffer())
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await fs.promises.writeFile(destPath, buffer)
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const stats = await fs.promises.stat(destPath)
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const fileType = getFileType(ext)
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const fileMetadata: FileType = {
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id: uuid,
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origin_name: filename,
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name: uuid + ext,
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path: destPath,
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created_at: stats.birthtime.toISOString(),
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size: stats.size,
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ext: ext,
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type: fileType,
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count: 1
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}
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return fileMetadata
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} catch (error) {
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logger.error('[FileStorage] Download file error:', error)
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throw error
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}
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}
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private getExtensionFromMimeType(mimeType: string | null): string {
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if (!mimeType) return '.bin'
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const mimeToExtension: { [key: string]: string } = {
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'image/jpeg': '.jpg',
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'image/png': '.png',
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'image/gif': '.gif',
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'application/pdf': '.pdf',
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'text/plain': '.txt',
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'application/msword': '.doc',
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'application/vnd.openxmlformats-officedocument.wordprocessingml.document': '.docx',
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'application/zip': '.zip',
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'application/x-zip-compressed': '.zip',
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'application/octet-stream': '.bin'
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}
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return mimeToExtension[mimeType] || '.bin'
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}
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public copyFile = async (_: Electron.IpcMainInvokeEvent, id: string, destPath: string): Promise<void> => {
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try {
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const sourcePath = path.join(this.storageDir, id)
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// 确保目标目录存在
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const destDir = path.dirname(destPath)
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if (!fs.existsSync(destDir)) {
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await fs.promises.mkdir(destDir, { recursive: true })
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}
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// 复制文件
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await fs.promises.copyFile(sourcePath, destPath)
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logger.info('[FileStorage] File copied successfully:', { from: sourcePath, to: destPath })
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} catch (error) {
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logger.error('[FileStorage] Copy file failed:', error)
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throw error
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}
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}
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}
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export default FileStorage
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