apeman-app-rest/lib/endpoints/bulk/bulk_create_endpoint.js

apeman app to handle restful endpoint.

/**
 * Endpoint for bulk create
 * @augments Endpoint
 * @class BulkCreateEndpoint
 */
'use strict'

const Endpoint = require('../endpoint')

const { toType, toData, defineCreate } = require('apemanmodel')
const validateDataType = require('../../validating/validate_data_type')

const co = require('co')

/** @lends BulkCreateEndpoint */
class BulkCreateEndpoint extends Endpoint {
  /**
   * @override
   */
  getDefaultConfig () {
    return {
      name: 'bulkCreate'
    }
  }

  /**
   * @override
   */
  handle (ctx, next) {
    const s = this
    let succeed = s.bindSucceed(ctx)
    let fail = s.bindFail(ctx)

    let { state } = ctx
    let { model, data } = state

    return co(function * () {
      let error = s.validate(data, state)
      if (error) {
        return fail(error)
      }

      let created = yield s.bulkCreate(data, state)

      return succeed(
        { status: 201 },
        toData(model, created, {}),
        {
          collection: created.map(
            (created) => `./${created.id}`
          )
        }
      )
    })
  }

  /**
   * @override
   */
  validate (data, state) {
    let type = toType(state.model)

    let typeErrors = validateDataType.bulk(data, type)
    if (typeErrors) {
      return typeErrors
    }

    return null
  }

  bulkCreate (data, state) {
    let { model, transaction } = state
    return co(function * () {
      let create = defineCreate(model, transaction)
      return yield create.bulk([].concat(data || []))
    })
  }
}

module.exports = BulkCreateEndpoint