apemandb/ci/format.js

Database for apeman project.

#!/usr/bin/env node

/**
 * Format model files.
 */
'use strict'

process.chdir(`${__dirname}/..`)

const aglob = require('aglob')
const apeTasking = require('ape-tasking')
const co = require('co')
const path = require('path')
const fs = require('fs')

apeTasking.runTasks('format', [
  () => co(function * () {
    const priorities = {
      topLevel: [
        '$name', '$description', '$inherits', '$attributes', '$indices'
      ],
      attributes: [
        '$comment', '$type', '$nullable', '$unique', '$default', '$convert'
      ]
    }
    let filenames = yield aglob('models/**/*.json')
    for (let filename of filenames) {
      let data = require(path.resolve(filename))
      data.$inherits = data.$inherits || []
      data.$attributes = data.$attributes || {}
      data.$indices = data.$indices || {}
      data = _sortProps(data, priorities.topLevel)

      for (let name of Object.keys(data.$attributes)) {
        data.$attributes[ name ] = _sortProps(data.$attributes[ name ], priorities.attributes)
      }
      yield new Promise((resolve, reject) =>
        fs.writeFile(filename, JSON.stringify(data, null, 2), (err) => err ? rejecct(err) : resolve())
      )
      console.log(`File generated: ${filename}`)
    }
  })
], true)

function _sortProps (data, priorities) {
  return Object.keys(data)
    .sort((a, b) => _compare(a, b, priorities))
    .reduce((result, name) => Object.assign(result, {
      [name]: data[ name ]
    }), {})
}

function _compare (a, b, priorities) {
  return _compare.order(a, priorities) - _compare.order(b, priorities)
}
_compare.order = (value, priorities) => {
  let index = priorities.indexOf(value)
  if (index === -1) {
    return 9999
  }
  return index
}