send form with ajax and formdata

  on_submit_form: () ->
    plannings     = $('#plannings-selected').serialize()
    company       = $('#company-section-form').serialize()
    form = $('#contract-form')
    $('#add-item').off().click (e) ->
      #form.trigger('submit')
      e.preventDefault()
      e.stopImmediatePropagation()
      dataForm = new FormData($('form')[0])
      dataForm.append('plannings', plannings)
      dataForm.append('company', company)
      console.log company
      $.ajax {
        url: $('form')[0].action,
        data: dataForm,
        processData: false,
        contentType: false,
        type: 'patch',
        success: ->
          alert('success')
        fail: ->
          alert('fail')
      }