@heroku-cli/plugin-pg-v5/lib/setter.js

Heroku CLI plugin to manage Postgres.

'use strict'

const cli = require('heroku-cli-util')

exports.boolean = value => {
  switch (value) {
  case 'true': case 'TRUE': case 'ON': case 'on': case true:
    return true
  case 'false': case 'FALSE': case 'OFF': case 'off': case null: case false:
    return false
  default:
    throw new TypeError('Invalid value. Valid options are: a boolean value')
  }
}

exports.enum = value => {
  return value
}

exports.numeric = value => {
  let n = Number(value)
  if (!Number.isFinite(n)) {
    throw new TypeError('Invalid value. Valid options are: a numeric value')
  }

  return n
}

exports.generate = (name, convert, explain) => {
  return async function run(context, heroku) {
    const host = require('./host')
    const util = require('./util')
    const fetcher = require('./fetcher')(heroku)
    const {app, args} = context
    const {value, database} = args

    const db = await fetcher.addon(app, database)

    if (util.essentialPlan(db)) throw new Error('You can’t perform this operation on Essential-tier databases.')

    if (!value) {
      let settings = await heroku.get(`/postgres/v0/databases/${db.id}/config`, {host: host(db)})
      let setting = settings[name]
      cli.log(`${name.replace(/_/g, '-')} is set to ${setting.value} for ${db.name}.`)
      cli.log(explain(setting))
    } else {
      let settings = await heroku.patch(`/postgres/v0/databases/${db.id}/config`, {
        host: host(db),
        body: {[name]: convert(value)},
      })
      let setting = settings[name]
      cli.log(`${name.replace(/_/g, '-')} has been set to ${setting.value} for ${db.name}.`)
      cli.log(explain(setting))
    }
  }
}