apemanerror/lib/from_sequelize.js

Error parser for apeman.

/**
 * Convert errors from sequelize.
 * @function fromSequelize
 */

'use strict'

const ErrorCodes = require('./error_codes')
const create = require('./create')

/** @lends fromSequelize */
function fromSequelize (error, options) {
  options = options || {}
  if (!error) {
    return null
  }
  if (Array.isArray(error)) {
    return error.map((data) => fromSequelize(data, options))
  }

  let code = fromSequelize.parseCode(error.type)

  let pointer = String(error.path).replace(/\./g, '/')
  return create(code, pointer,
    {
      trigger: 'Database',
      context: { value: error.value },
      namespace: options.namespace
    })
}

Object.assign(fromSequelize, {
  parseCode (type) {
    const a = ErrorCodes
    switch (String(type).toLowerCase()) {
      case 'unique violation':
        return a.RESOURCE_DATA_CONFLICT_ERROR
      case 'notnull violation':
        return a.VALUE_MISSING_ERROR
      case 'string violation':
        return a.VALUE_STRING_ERROR
      default:
        console.warn(`[apemanerror] Unknown sequelize error type: ${type}`)
        return a.SOMETHING_WRONG_ERROR
    }
  }
})

module.exports = fromSequelize