fileService.coffee

angular.module('ClientSuccess.services').factory 'fileService', (authService, $q, $rootScope)->
  service = {}

  service.uploadAvatar = (file) ->
    deferred = $q.defer()
    apiAuth = authService.enableAuth()
    query =
      binary: null
      id: null
    postIt = () ->
      formData = new FormData()
      formData.append('file', file) # file is an ArrayBuffer read with fileReader.readAsArrayBuffer(file)
      formData.append('name', file.name)

      apiAuth.all('api/employee/myinfo').withHttpConfig({transformRequest: angular.identity}).customPOST(formData, 'avatar', undefined, {'Content-Type': undefined}).then (res)->
        deferred.resolve(res)

    if apiAuth.all
      fileReader = new FileReader();

      fileReader.onload = (e) ->
        query =
          arrayBuffer: e.target.result
          size: e.total
          type: file.type
        $rootScope.$apply(postIt);

      fileReader.readAsArrayBuffer(file);

      return deferred.promise;
    else
      return false

  service.uploadNoteFile = (client, note, file) ->
    deferred = $q.defer()
    apiAuth = authService.enableAuth()
    query =
      binary: null
      id: null

    postIt = () ->
#      See https://github.com/mgonto/restangular/issues/420
#      See http://www.html5rocks.com/en/tutorials/file/xhr2/
      formData = new FormData()
      formData.append('file', file) # file is an ArrayBuffer read with fileReader.readAsArrayBuffer(file)
      formData.append('name', file.name)

      apiAuth.one('api/client', client.id).one('note', note.id).withHttpConfig({transformRequest: angular.identity}).customPOST(formData, 'file', undefined, {'Content-Type': undefined}).then (res)->
        deferred.resolve(res)

    if apiAuth.all
      fileReader = new FileReader();

      fileReader.onload = (e) ->
        query =
          arrayBuffer: e.target.result
          size: e.total
          type: file.type
        $rootScope.$apply(postIt);

      fileReader.onloadstart = ->
        console.log 'onloadstart', arguments
      fileReader.onloadprogress = ->
        console.log 'onloadprogress', arguments
      fileReader.onerror = ->
        console.log 'onerror', arguments
      fileReader.readAsArrayBuffer(file);
      return deferred.promise;
    else
      return false
  return service