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export.js
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export.js
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/* eslint-disable max-len */
const { Transform } = require('stream')
const fs = require('fs'),
pump = require('pump'),
ndjson = require('ndjson'),
path = require('path'),
isPlainObject = require('lodash.isplainobject'),
_ = require('lodash'),
{ URL } = require('url'),
{
isSet, parseString, pathTo, rBool
} = require('@medable/mdctl-core-utils/values'),
Docs = require('@medable/mdctl-docs'),
{
searchParamsToObject
} = require('@medable/mdctl-core-utils'),
{ Config, Fault } = require('@medable/mdctl-core'),
ExportStream = require('@medable/mdctl-core/streams/export_stream'),
ExportFileTreeAdapter = require('@medable/mdctl-export-adapter-tree'),
{ Client } = require('@medable/mdctl-api'),
LockUnlock = require('../lock_unlock'),
exportEnv = async(input) => {
const options = isSet(input) ? input : {},
{ manifest: optionsManifest } = options,
client = options.client || new Client({ ...Config.global.client, ...options }),
outputDir = options.dir || process.cwd(),
packageFile = options.package || `${outputDir}/package.${options.format || 'json'}`,
// stream = ndjson.parse(),
url = new URL('/developer/environment/export', client.environment.url),
requestOptions = {
query: {
...searchParamsToObject(url.searchParams),
preferUrls: rBool(options.preferUrls, false),
silent: rBool(options.silent, false),
backup: rBool(options.backup, true)
},
method: 'post'
},
streamOptions = {
format: options.format,
clearOutput: options.clear
},
streamTransform = new ExportStream(),
adapter = options.adapter || new ExportFileTreeAdapter(outputDir, streamOptions),
// eslint-disable-next-line max-len
lockUnlock = new LockUnlock(outputDir, client.environment.endpoint, client.environment.env),
memo = {},
logStream = new Transform({
objectMode: true,
transform(chunk, encoding, cb) {
console.log(`[${new Date().toISOString()}] Exporting ${chunk.key}: ${chunk.name || chunk.id}`)
this.push(chunk)
cb()
}
})
let manifestFile,
inputStream,
preExport = () => {},
postExport = () => {}
if (lockUnlock.checkLock(['export'])) {
throw Fault.create('kWorkspaceLocked', {
reason: `There is a lock in the workspace ${outputDir} for ${client.environment.endpoint}/${client.environment.env}`
})
}
inputStream = ndjson.parse()
if (!options.stream) {
let pkg,
script,
manifest = {}
const getScript = (...params) => {
for (const param of params) { // eslint-disable-line no-restricted-syntax
if (pkg.scripts[param]) {
return pkg.scripts[param]
}
}
return null
}
if (isPlainObject(packageFile)) {
pkg = packageFile
} else if (fs.existsSync(packageFile)) {
try {
pkg = parseString(fs.readFileSync(packageFile), options.format)
} catch (e) {
throw Fault.create({ reason: e.message })
}
}
if (pkg) {
if (pkg.scripts) {
script = getScript('preExport', 'preexport')
if (script) {
// eslint-disable-next-line global-require, import/no-dynamic-require
preExport = require(path.join(outputDir, script))
}
script = getScript('postExport', 'postexport')
if (script) {
// eslint-disable-next-line global-require, import/no-dynamic-require
postExport = require(path.join(outputDir, script))
}
script = getScript('beforeexport', 'beforeExport')
if (script) {
const beforeExport = path.join(outputDir, script)
if (fs.existsSync(beforeExport)) {
pkg.scripts.beforeExport = fs.readFileSync(beforeExport).toString()
}
}
script = getScript('afterexport', 'afterExport')
if (script) {
const afterExport = path.join(outputDir, script)
if (fs.existsSync(afterExport)) {
pkg.scripts.afterExport = fs.readFileSync(afterExport).toString()
}
}
}
if (pkg.pipes) {
if (_.isString(pkg.pipes.export)) {
const exportPipe = path.join(outputDir, pkg.pipes.export)
if (fs.existsSync(exportPipe)) {
pkg.pipes.export = fs.readFileSync(exportPipe).toString()
}
}
}
}
if (optionsManifest) {
manifest = optionsManifest
} else if (pkg && pkg.manifest) {
manifestFile = `${outputDir}/${pkg.manifest}`
} else if (fs.existsSync(`${outputDir}/manifest.${options.format || 'json'}`)) {
manifestFile = `${outputDir}/manifest.${options.format || 'json'}`
}
if (fs.existsSync(manifestFile)) {
try {
manifest = parseString(fs.readFileSync(manifestFile), options.format)
} catch (e) {
throw Fault.create({ reason: e.message })
}
}
await preExport({
client, options, manifest, package: pkg, memo
})
pathTo(requestOptions, 'requestOptions.headers.accept', 'application/x-ndjson')
await client.call(url.pathname, Object.assign(requestOptions, {
stream: inputStream, body: { manifest, package: pkg }
}))
} else {
inputStream = options.stream.pipe(ndjson.parse())
}
return new Promise((resolve, reject) => {
const resultStream = pump(inputStream, streamTransform, logStream, adapter, async(err) => {
try {
await postExport({
client, err, options, memo
})
} catch (e) {
return reject(e)
}
if (err) {
return reject(err)
}
if (!streamTransform.complete()) {
return reject(new Error('Export not complete!'))
}
if (options.docs) {
console.log('Documenting env')
return Docs.generateDocumentation({
destination: path.join(outputDir, 'docs'),
source: path.join(outputDir),
module: 'env',
}).then(() => {
resolve(resultStream)
})
}
return resolve(resultStream)
})
})
}
module.exports = exportEnv