148 lines
5.9 KiB
JavaScript
148 lines
5.9 KiB
JavaScript
"use strict";
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var __importDefault = (this && this.__importDefault) || function (mod) {
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return (mod && mod.__esModule) ? mod : { "default": mod };
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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const lodash_1 = require("lodash");
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const mime_1 = __importDefault(require("mime"));
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const path_1 = __importDefault(require("path"));
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const util_1 = require("util");
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const promisified_functions_1 = require("../utils/promisified-functions");
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class UploadStorage {
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constructor(uploadRoots) {
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this.uploadRoots = (0, lodash_1.chain)(uploadRoots).castArray().uniq().value();
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}
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static async _getFilesToCopy(files) {
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const filesToCopy = [];
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const errs = [];
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for (const file of files) {
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try {
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const stats = await (0, promisified_functions_1.stat)(file.path);
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if (stats.isFile())
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filesToCopy.push(file);
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}
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catch (err) {
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errs.push({ path: file.path, err });
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}
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}
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return { filesToCopy, errs };
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}
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static _generateName(existingNames, fileName) {
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const extName = path_1.default.extname(fileName);
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const template = path_1.default.basename(fileName, extName) + ' %s' + extName;
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let index = 0;
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while (existingNames.includes(fileName))
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fileName = (0, util_1.format)(template, ++index);
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return fileName;
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}
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static async _getExistingFiles(uploadsRoot) {
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try {
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return await (0, promisified_functions_1.readDir)(uploadsRoot);
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}
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catch (e) {
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return [];
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}
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}
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async store(fileNames, data) {
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const storedFiles = [];
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const mainUploadRoot = this.uploadRoots[0];
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const err = await UploadStorage.ensureUploadsRoot(mainUploadRoot);
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if (err)
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return [{ err: err.toString(), path: mainUploadRoot }];
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const existingFiles = await UploadStorage._getExistingFiles(mainUploadRoot);
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for (const fileName of fileNames) {
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const storedFileName = UploadStorage._generateName(existingFiles, fileName);
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const storedFilePath = path_1.default.join(mainUploadRoot, storedFileName);
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try {
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await (0, promisified_functions_1.writeFile)(storedFilePath, data[storedFiles.length], { encoding: 'base64' });
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existingFiles.push(storedFileName);
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storedFiles.push({ path: storedFilePath, file: storedFileName });
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}
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catch (e) {
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storedFiles.push({ err: e.toString(), path: storedFilePath, file: fileName });
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}
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}
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return storedFiles;
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}
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async _resolvePath(filePath, result) {
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let resolvedPath = null;
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if (path_1.default.isAbsolute(filePath))
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resolvedPath = filePath;
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else {
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const nonExistingPaths = [];
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for (const uploadRoot of this.uploadRoots) {
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resolvedPath = path_1.default.resolve(uploadRoot, filePath);
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if (await (0, promisified_functions_1.fsObjectExists)(resolvedPath))
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break;
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nonExistingPaths.push(resolvedPath);
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resolvedPath = null;
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}
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if (resolvedPath === null) {
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result.push({
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err: `Cannot find the ${filePath}. None path of these exists: ${nonExistingPaths.join(', ')}.`,
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path: filePath,
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resolvedPaths: nonExistingPaths,
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});
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}
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}
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return resolvedPath;
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}
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async get(filePathList) {
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const result = [];
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for (const filePath of filePathList) {
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const resolvedPath = await this._resolvePath(filePath, result);
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if (resolvedPath === null)
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continue;
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try {
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const fileContent = await (0, promisified_functions_1.readFile)(resolvedPath);
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const fileStats = await (0, promisified_functions_1.stat)(resolvedPath);
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result.push({
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data: fileContent.toString('base64'),
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info: {
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lastModifiedDate: fileStats.mtime,
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lastModified: fileStats.mtimeMs,
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name: path_1.default.basename(resolvedPath),
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type: mime_1.default.lookup(resolvedPath),
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},
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});
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}
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catch (e) {
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result.push({ err: e.toString(), path: filePath, resolvedPath });
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}
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}
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return result;
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}
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static async copy(uploadsRoot, files) {
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const { filesToCopy, errs } = await UploadStorage._getFilesToCopy(files);
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const copiedFiles = [];
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if (!filesToCopy.length)
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return { copiedFiles, errs };
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const existingFiles = await UploadStorage._getExistingFiles(uploadsRoot);
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for (const file of filesToCopy) {
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const copiedFileName = UploadStorage._generateName(existingFiles, file.name);
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const copiedFilePath = path_1.default.join(uploadsRoot, copiedFileName);
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try {
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await (0, promisified_functions_1.writeFile)(copiedFilePath, await (0, promisified_functions_1.readFile)(file.path, null));
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existingFiles.push(copiedFileName);
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copiedFiles.push(copiedFilePath);
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}
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catch (err) {
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errs.push({ path: file.path, err });
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}
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}
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return { copiedFiles, errs };
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}
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static async ensureUploadsRoot(uploadsRoot) {
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try {
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if (!await (0, promisified_functions_1.fsObjectExists)(uploadsRoot))
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await (0, promisified_functions_1.makeDir)(uploadsRoot);
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return null;
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}
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catch (err) {
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return err;
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}
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}
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}
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exports.default = UploadStorage;module.exports = exports.default;
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