smartbucket/ts/smartbucket.classes.directory.ts

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import * as plugins from './smartbucket.plugins.js';
import { Bucket } from './smartbucket.classes.bucket.js';
import { File } from './smartbucket.classes.file.js';
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export class Directory {
public bucketRef: Bucket;
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public parentDirectoryRef: Directory;
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public name: string;
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public tree: string[];
public files: string[];
public folders: string[];
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constructor(bucketRefArg: Bucket, parentDiretory: Directory, name: string) {
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this.bucketRef = bucketRefArg;
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this.parentDirectoryRef = parentDiretory;
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this.name = name;
}
/**
* returns an array of parent directories
*/
public getParentDirectories(): Directory[] {
let parentDirectories: Directory[] = [];
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if (this.parentDirectoryRef) {
parentDirectories.push(this.parentDirectoryRef);
parentDirectories = parentDirectories.concat(this.parentDirectoryRef.getParentDirectories());
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}
return parentDirectories;
}
/**
* returns the directory level
*/
public getDirectoryLevel(): number {
return this.getParentDirectories().length;
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}
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/**
* updates the base path
*/
public getBasePath(): string {
const parentDirectories = this.getParentDirectories();
let basePath = '';
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for (const parentDir of parentDirectories) {
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if (!parentDir.name && !basePath) {
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basePath = this.name + '/';
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continue;
}
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if (parentDir.name && !basePath) {
basePath = parentDir.name + '/' + this.name + '/';
continue;
}
if (parentDir.name && basePath) {
basePath = parentDir.name + '/' + basePath;
continue;
}
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}
return basePath;
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}
/**
* lists all files
*/
public async listFiles(): Promise<File[]> {
const done = plugins.smartpromise.defer();
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const fileNameStream = await this.bucketRef.smartbucketRef.minioClient.listObjectsV2(
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this.bucketRef.name,
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this.getBasePath(),
false
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);
const fileArray: File[] = [];
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const duplexStream = plugins.smartstream.createDuplexStream<plugins.minio.BucketItem, void>(
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async (bucketItem) => {
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if (bucketItem.prefix) {
return;
}
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if (!bucketItem.name) {
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return;
}
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let subtractedPath = bucketItem.name.replace(this.getBasePath(), '');
if (subtractedPath.startsWith('/')) {
subtractedPath = subtractedPath.substr(1);
}
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if (!subtractedPath.includes('/')) {
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fileArray.push(new File(this, subtractedPath));
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}
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},
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async (tools) => {
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done.resolve();
}
);
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fileNameStream.pipe(duplexStream);
await done.promise;
return fileArray;
}
/**
* lists all folders
*/
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public async listDirectories(): Promise<Directory[]> {
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const done = plugins.smartpromise.defer();
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const basePath = this.getBasePath();
const completeDirStream = await this.bucketRef.smartbucketRef.minioClient.listObjectsV2(
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this.bucketRef.name,
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this.getBasePath(),
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false
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);
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const directoryArray: Directory[] = [];
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const duplexStream = plugins.smartstream.createDuplexStream<plugins.minio.BucketItem, void>(
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async (bucketItem) => {
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if (bucketItem.name) {
return;
}
let subtractedPath = bucketItem.prefix.replace(this.getBasePath(), '');
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if (subtractedPath.startsWith('/')) {
subtractedPath = subtractedPath.substr(1);
}
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if (subtractedPath.includes('/')) {
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const dirName = subtractedPath.split('/')[0];
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if (directoryArray.find((directory) => directory.name === dirName)) {
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return;
}
directoryArray.push(new Directory(this.bucketRef, this, dirName));
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}
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},
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async (tools) => {
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done.resolve();
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}
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);
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completeDirStream.pipe(duplexStream);
await done.promise;
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return directoryArray;
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}
/**
* gets an array that has all objects with a certain prefix;
*/
public async getTreeArray() {
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const treeArray = await this.bucketRef.smartbucketRef.minioClient.listObjectsV2(
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this.bucketRef.name,
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this.getBasePath(),
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true
);
}
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/**
* gets a sub directory
*/
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public async getSubDirectoryByName(dirNameArg: string): Promise<Directory> {
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const dirNameArray = dirNameArg.split('/');
const getDirectory = async (directoryArg: Directory, dirNameToSearch: string) => {
const directories = await directoryArg.listDirectories();
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return directories.find((directory) => {
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return directory.name === dirNameToSearch;
});
};
let wantedDirectory: Directory;
for (const dirNameToSearch of dirNameArray) {
const directoryToSearchIn = wantedDirectory ? wantedDirectory : this;
wantedDirectory = await getDirectory(directoryToSearchIn, dirNameToSearch);
}
return wantedDirectory;
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}
/**
* moves the directory
*/
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public async move() {
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// TODO
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throw new Error('moving a directory is not yet implemented');
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}
/**
* creates a file within this directory
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* @param relativePathArg
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*/
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public async createEmptyFile(relativePathArg: string) {
const emtpyFile = await File.createFileFromString(this, relativePathArg, '');
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}
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// file operations
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public async fastStore(pathArg: string, contentArg: string | Buffer) {
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const path = plugins.path.join(this.getBasePath(), pathArg);
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await this.bucketRef.fastPut(path, contentArg);
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}
public async fastGet(pathArg: string) {
const path = plugins.path.join(this.getBasePath(), pathArg);
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const result = await this.bucketRef.fastGet(path);
return result;
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}
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public async fastGetStream(pathArg: string): Promise<plugins.smartrx.rxjs.ReplaySubject<Buffer>> {
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const path = plugins.path.join(this.getBasePath(), pathArg);
const result = await this.bucketRef.fastGetStream(path);
return result;
}
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public async fastRemove(pathArg: string) {
const path = plugins.path.join(this.getBasePath(), pathArg);
await this.bucketRef.fastRemove(path);
}
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/**
* deletes the directory with all its contents
*/
public async deleteWithAllContents() {
const deleteDirectory = async (directoryArg: Directory) => {
const childDirectories = await directoryArg.listDirectories();
if (childDirectories.length === 0) {
console.log('directory empty! Path complete!');
} else {
for (const childDir of childDirectories) {
await deleteDirectory(childDir);
}
}
const files = await directoryArg.listFiles();
for (const file of files) {
await directoryArg.fastRemove(file.name);
}
};
await deleteDirectory(this);
}
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}