angular.dataservice.js.coffee

## Data Service

myApp.provider 'dataService', ->
  data =
    content: []
    currentIndex: -1
    error: false
    filter: 'list'
    infiniteBusy: false
    loading: false
    postType: ''
  
  @.$get = [
    'myFactory',
    '$log',
    '$timeout',
    'env',
  (myFactory, $log, $timeout, env) ->
    data: data
    add: (item) ->
      data.content.push(item)
    
    clear: ->
      data.content = []
      data.infiniteBusy = false
      data.loading = false
    
    someSharedFunction: ->
      return false
    
    get: (url) ->
      # disable infinte-scroll
      data.infiniteBusy = true
      data.loading = true
      
      # add URL params
      if url.indexOf('max_time') is -1
        url += if url.indexOf('?') is -1 then '?' else '&'
        url += 'offset=' + data.content.length
      
      # check for limit parameter
      limitRegExp = new RegExp(/\?limit=([a-z0-9\-]+)\&?/i)
      limit = limitRegExp.exec(url)
      if limit then limit = parseInt(limit[1]) else null
      
      myFactory.get(url).then (response) ->
        if response.length > 0
          for i in [0..response.length-1]
            data.content.push response[i]
          
          if limit?
            $timeout(( ->
              data.infiniteBusy = limit > response.length
              ), 500
            )
          else
            $timeout(( ->
              data.infiniteBusy = false
              ), 500
            )
        # hide loader
        data.loading = false
        (errorPayload) ->
          data.error = true
          $log.error 'failure loading content', errorPayload
        undefined
    
    getData: ->
      @clear()
      @data
  ]
  undefined

# Controller
myApp.controller 'myController', [
  '$scope',
  'dataService',
($scope, dataService) ->
  $scope.data = dataService.data
]