apeman-service-api/lib/ap_api_service.js

Apeman service for API access.

/**
 * Service
 * @class ApApiService
 * @param {Object} store - Redux store
 * @param {Object} options - Optional settings
 */
'use strict'

const { ApService } = require('apeman-service-base')
const apemanApiClient = require('apeman-api-client')
const { get } = require('bwindow')
const co = require('co')
const abind = require('abind')

/** @lends ApApiService */
class ApApiService extends ApService {
  constructor (store, options = {}) {
    super(store)
    const s = this
    abind(s, { proto: ApApiService.prototype })
    abind(s)
    let {
      pathname = '/api'
    } = options
    s.api = apemanApiClient(s.url(pathname))
    s.cache = {}
  }

  /**
   * Configure api
   * @param {string} url
   */
  configure ({ url }) {
    const s = this
    s.api = apemanApiClient(url)
  }

  /**
   * Test reachability of the API
   * @param args
   * @returns {*}
   */
  reach (...args) {
    const s = this
    return s.api.reach(...args)
  }

  /**
   * Use api
   * @param {string} name - Name of API
   * @returns {*}
   */
  use (name) {
    const s = this
    return co(function * () {
      let cache = s.cache[ name ]
      if (cache) {
        return cache
      }
      let connected = yield s.api.connect(name)
      s.cache[ name ] = connected
      return connected
    })
  }

  /**
   * Get url
   * @param {string} pathname - Url path name
   * @returns {string} - Url
   */
  url (pathname) {
    const location = get('location')
    if (!location) {
      return `${pathname}`
    }
    const { protocol, host } = location
    return `${protocol}//${host}${pathname}`
  }
}

module.exports = ApApiService