budibase/packages/cli/src/commands/instance/instanceHandler.js

const inquirer = require("inquirer")
const { readJSON } = require("fs-extra")
const { join } = require("path")
const chalk = require("chalk")
const fp = require("lodash/fp")
const { getAppContext } = require("../../common")
const passwordQuestion = require("@inquirer/password")

module.exports = opts => {
  run(opts)
}

const run = async opts => {
  try {
    const appContext = await getAppContext({
      configName: opts.config,
      masterIsCreated: true,
    })
    opts.appContext = appContext
    opts.datapath = "./.data"
    await fetchUserLevels(opts)
    await prompts(opts)
    await createInstance(opts)
    console.log(
      chalk.green(`Budibase instance created for app ${opts.appname}.`)
    )
  } catch (error) {
    console.error(
      chalk.red(
        `Error creating instance of app ${opts.appname}: ${error.message}`
      )
    )
  }
}

const fetchUserLevels = async opts => {
  const accessLevels = await readJSON(
    join(
      opts.appContext.config.latestPackagesFolder || ".",
      opts.appname,
      "access_levels.json"
    )
  )

  if (accessLevels.levels.length === 0)
    throw new Error("No access levels. Use the builder to create one")

  opts.accessLevels = accessLevels.levels
}

const prompts = async opts => {
  const questions = [
    {
      type: "input",
      name: "username",
      message: "Username: ",
      validate: function(value) {
        return !!value || "Please enter a username"
      },
    },
  ]

  if (opts.accessLevels.length === 1) {
    opts.userAccessLevel = opts.accessLevels[0].name
  } else {
    questions.push({
      type: "input",
      name: "userAccessLevel",
      message: `Access Level [${fp.join(", ")(
        opts.accessLevels.map(l => l.name)
      )}]: `,
      choices: opts.accessLevels.map(l => l.name),
    })
  }

  const answers = await inquirer.prompt(questions)
  const password = await passwordQuestion({
    message: "Password for Admin: ",
    mask: "*",
  })
  const passwordConfirm = await passwordQuestion({
    message: "Confirm Password: ",
    mask: "*",
  })

  if (password !== passwordConfirm) throw new Error("Passwords do not match!")

  opts.username = answers.username
  opts.password = password
  if (opts.accessLevels.length > 1) {
    opts.userAccessLevel = answers.userAccessLevel
  }
}

const createInstance = async opts => {
  const bb = opts.appContext.master.bbMaster

  const app = await opts.appContext.master.getApplication(opts.appname)
  const instance = bb.recordApi.getNew(`${app.key}/instances`, "instance")
  instance.name = "dev instance"
  instance.active = true
  instance.version = { key: "" }

  const user = bb.authApi.getNewUser()
  user.accessLevels.push(opts.userAccessLevel)
  user.name = opts.username

  await bb.recordApi.save(instance)
  const savedInstance = await bb.recordApi.load(instance.key)
  await opts.appContext.master.createAppUser(
    opts.appname,
    savedInstance,
    user,
    opts.password
  )
}