locomotivecms/engine

(->
  window.remote_file_to_base64 = (url, callback) ->
    xhr = new XMLHttpRequest()
    xhr.open('GET', url, true)
    xhr.responseType = 'blob'

    xhr.onload = (event) ->
      if this.status == 200
        blob = this.response

        reader = new window.FileReader()
        reader.readAsDataURL(blob)
        reader.onloadend = -> callback(reader.result)
      else
        callback(null)

    xhr.onerror = (event) -> callback(null)

    xhr.send()

  window.resize_image = (image, format, callback) ->
    unless format?
      callback(image)
      return

    data = new FormData()
    data.append('image', image)
    data.append('format', format)

    xhr = new XMLHttpRequest()
    xhr.open('POST', '<%= Locomotive::Middlewares::ImageThumbnail.route %>', true)

    xhr.onload = (event) ->
      if this.status == 200
        callback(this.response)
      else
        callback(image)

    xhr.onerror = (event) -> callback(image)

    xhr.send(data)

)()