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const config = require('config')
const logger = (config && config.logger) || console
const { MINIO_UPLOADS_FOLDER_NAME, MINIO_BUCKET } = process.env
console.log('bucket:: ', MINIO_BUCKET)
let minioClient
const initBucket = async minioClient => {
logger.info('Initialzing S3 bucket: ', MINIO_BUCKET)
let exists
try {
exists = await minioClient.bucketExists(MINIO_BUCKET)
} catch (err) {
const errMsg = `initBucket - bucketExists: ${err}`
logger.error(errMsg)
throw new Error(errMsg)
}
Iif (exists) {
logger.info('initBucket: bucket exists', MINIO_BUCKET)
} else {
try {
await minioClient.makeBucket(
MINIO_BUCKET,
process.env.MINIO_REGION || 'eu-west-2'
)
console.log('Bucket creatd')
} catch (err) {
const errMsg = `initBucket - makeBucket: ${err}`
logger.error(errMsg)
throw new Error(errMsg)
}
logger.info('initBucket: bucket created', MINIO_BUCKET)
}
return true
}
const getInstance = async () => {
if (minioClient) {
return minioClient
}
minioClient = new Minio.Client({
endPoint: process.env.MINIO_ENDPOINT,
port: Number(process.env.MINIO_PORT),
useSSL: process.env.MINIO_SECURITY === 'true',
accessKey: process.env.MINIO_ACCESS_KEY,
secretKey: process.env.MINIO_SECRET_KEY,
region: process.env.MINIO_REGION || 'eu-west-2'
})
await initBucket(minioClient)
return minioClient
}
module.exports = {
getInstance,
async uploadFile (filename, oriFilename, fileType, tempFilePath, callback) {
const uploads = MINIO_UPLOADS_FOLDER_NAME
const filePath = `${uploads}/${filename}`
const encodedOriFileName = Buffer.from(oriFilename).toString('base64')
const metaData = {
'content-type': fileType,
'file-name': encodedOriFileName
}
const minioClient = await getInstance()
minioClient.fPutObject(
MINIO_BUCKET,
filePath,
tempFilePath,
metaData,
callback
)
},
async uploadFileSteam (filename, oriFilename, fileType, fileStream) {
const uploads = MINIO_UPLOADS_FOLDER_NAME
const filePath = `${uploads}/${filename}`
const encodedOriFileName = Buffer.from(oriFilename).toString('base64')
const metaData = {
'content-type': fileType,
'file-name': encodedOriFileName
}
const minioClient = await getInstance()
return minioClient.putObject(MINIO_BUCKET, filePath, fileStream, metaData)
},
async listFiles (callback) {
const uploads = MINIO_UPLOADS_FOLDER_NAME
const prefix = `${uploads}`
const minioClient = await getInstance()
const stream = minioClient.listObjects(MINIO_BUCKET, prefix, true)
const list = []
stream.on('data', obj => {
list.push(obj)
})
stream.on('error', err => {
callback(err)
})
stream.on('end', () => {
callback(null, list)
})
},
async getFile (fileName, tmpFile, callback) {
const uploads = MINIO_UPLOADS_FOLDER_NAME
const objectName = `${uploads}/${fileName}`
const minioClient = await getInstance()
minioClient.fGetObject(MINIO_BUCKET, objectName, tmpFile, callback)
},
async getFileStream (fileName, callback) {
const uploads = MINIO_UPLOADS_FOLDER_NAME
const objectName = `${uploads}/${fileName}`
const minioClient = await getInstance()
minioClient.getObject(MINIO_BUCKET, objectName, callback)
},
getFileStat (filename) {
return new Promise(async (resolve, reject) => {
const uploads = MINIO_UPLOADS_FOLDER_NAME
const objectName = `${uploads}/${filename}`
const minioClient = await getInstance()
minioClient.statObject(MINIO_BUCKET, objectName, (err, stat) => {
if (err) {
return reject(err)
}
resolve(stat)
})
})
},
async deleteFile (fileName) {
const uploads = MINIO_UPLOADS_FOLDER_NAME
const objectName = `${uploads}/${fileName}`
const minioClient = await getInstance()
try {
await minioClient.removeObject(MINIO_BUCKET, objectName)
} catch (err) {
return err
}
return null
}
}
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