smartbucket/ts/smartbucket.classes.bucket.ts
2019-10-16 19:11:28 +02:00

93 lines
2.7 KiB
TypeScript

import * as plugins from './smartbucket.plugins';
import { SmartBucket } from './smartbucket.classes.smartbucket';
import { Directory } from './smartbucket.classes.directory';
export class Bucket {
public static async getBucketByName(smartbucketRef: SmartBucket, bucketNameArg: string) {
const buckets = await smartbucketRef.minioClient.listBuckets();
const foundBucket = buckets.find(bucket => {
return bucket.name === bucketNameArg;
});
if (foundBucket) {
console.log(`bucket with name ${bucketNameArg} exists.`)
console.log(`Taking this as base for new Bucket instance`);
return new this(smartbucketRef, bucketNameArg);
} else {
return null;
}
}
public static async createBucketByName(smartbucketRef: SmartBucket, bucketName: string) {
await smartbucketRef.minioClient.makeBucket(bucketName, 'ams3').catch(e => console.log(e));
return new Bucket(smartbucketRef, bucketName);
}
public static async removeBucketByName(smartbucketRef: SmartBucket, bucketName: string) {
await smartbucketRef.minioClient.removeBucket(bucketName).catch(e => console.log(e));
}
public smartbucketRef: SmartBucket;
public name: string;
constructor(smartbucketRef: SmartBucket, bucketName: string) {
this.smartbucketRef = smartbucketRef;
this.name = bucketName;
}
/**
* gets the base directory of the bucket
*/
public async getBaseDirectory() {
return new Directory(this, null, '');
}
// ===============
// Fast Operations
// ===============
/**
* store file
*/
public async fastStore(pathArg: string, fileContent: string) {
const streamIntake = new plugins.streamfunction.Intake();
const putPromise = this.smartbucketRef.minioClient.putObject(this.name, pathArg, streamIntake.getReadable()).catch(e => console.log(e));
streamIntake.pushData(fileContent);
streamIntake.signalEnd();
await putPromise;
}
/**
* get file
*/
public async fastGet(pathArg: string) {
const done = plugins.smartpromise.defer();
const fileStream = await this.smartbucketRef.minioClient.getObject(this.name, pathArg).catch(e => console.log(e));
let completeFile: string = '';
const duplexStream = plugins.streamfunction.createDuplexStream<Buffer, Buffer>(async (chunk) => {
const chunkString = chunk.toString();
completeFile += chunkString;
return chunk;
}, async (cb) => {
done.resolve();
return Buffer.from('');
});
if (!fileStream) {
return null;
}
fileStream.pipe(duplexStream);
await done.promise;
return completeFile;
}
/**
* removeObject
*/
public async fastRemove (pathArg: string) {
await this.smartbucketRef.minioClient.removeObject(this.name, pathArg);
}
}