angular-cached-resource/src/index.coffee

An AngularJS module to interact with RESTful resources, even when browser is offline

resourceManagerListener = null
debugMode = off
localStoragePrefix = null

module?.exports = app = angular.module 'ngCachedResource', ['ngResource']

app.provider '$cachedResource', class $cachedResourceProvider
  constructor: ->
    @$get = $cachedResourceFactory
    localStoragePrefix = 'cachedResource://'

  setDebugMode: (newSetting = on) ->
    debugMode = newSetting

  setLocalStoragePrefix: (prefix) ->
    localStoragePrefix = prefix

$cachedResourceFactory = ['$resource', '$timeout', '$q', '$log', ($resource, $timeout, $q, $log) ->

  bindLogFunction = (logFunction) ->
    (message...) ->
      message.unshift 'ngCachedResource'
      $log[logFunction].apply($log, message)

  providerParams =
    localStoragePrefix: localStoragePrefix
    $log:
      debug: if debugMode then bindLogFunction('debug') else (->)
      error: bindLogFunction 'error'

  CachedResourceManager = require('./cached_resource_manager')(providerParams)
  resourceManager = new CachedResourceManager($resource, $timeout, $q)

  document.removeEventListener 'online', resourceManagerListener if resourceManagerListener
  resourceManagerListener = (event) -> resourceManager.flushQueues()
  document.addEventListener 'online', resourceManagerListener

  $cachedResource = ->
    resourceManager.add.apply resourceManager, arguments
  for fn in ['clearCache', 'clearUndefined']
    $cachedResource[fn] = angular.bind resourceManager, resourceManager[fn]
  return $cachedResource

]