json to csv downloadl

gistfile1.coffee

class CSVRow
    constructor: (bucket) ->
      @day = moment(bucket.time).format('L')
      @time = moment(bucket.time).format('LT')
      @totalAmount = "$#{bucket.totalAmount}"
      @averageAmount = "$#{bucket.averageAmount}"
      @transactions = bucket.transactions
$scope.generateCSV = ->

    $scope.csvArray = []
    if $scope.useDateRange
      $scope.csvFilename = $scope.dateRange.start.format('MM-DD-YYYY')+' - ' + $scope.dateRange.end.format('MM-DD-YYYY') + '.csv'
    else
      $scope.csvFilename = moment($scope.selectedDay.date).format('MM-DD-YYYY')+'.csv'
    if $scope.selectedRange
      
      for bucket in $scope.selectedRange.buckets
        $scope.csvArray.push new CSVRow(bucket)
      
      
      csvContent = "data:text/csv;charset=utf-8,";
      csvContent += "Day, Time, Total $, Average $, # Transactions\r\n"
      _.each $scope.csvArray, (obj, index) ->
        dataString = "#{obj.day},#{obj.time},#{obj.totalAmount},#{obj.averageAmount},#{obj.transactions}"
        csvContent += dataString
        csvContent += '\n' if index < $scope.csvArray.length

      $timeout ->
        $window.encodedUri = encodeURI(csvContent);
        $window.open(encodedUri);
      , 0