text: # coding=utf-8
  # --------------------------------------------------------------------------
  # Copyright (c) Microsoft Corporation. All rights reserved.
  # Licensed under the MIT License. See License.txt in the project root for
  # license information.
  #
  # Code generated by Microsoft (R) AutoRest Code Generator.
  # Changes may cause incorrect behavior and will be lost if the code is
  # regenerated.
  # --------------------------------------------------------------------------
  
  from .resource import Resource
  
  
  class Invoice(Resource):
      """An invoice resource can be used download a PDF version of an invoice.
  
      Variables are only populated by the server, and will be ignored when
      sending a request.
  
      :ivar id: Resource Id.
      :vartype id: str
      :ivar name: Resource name.
      :vartype name: str
      :ivar type: Resource type.
      :vartype type: str
      :param download_url: A secure link to download the PDF version of an
       invoice. The link will cease to work after its expiry time is reached.
      :type download_url: :class:`DownloadUrl
       <azure.mgmt.billing.models.DownloadUrl>`
      :ivar invoice_period_start_date: The start of the date range covered by
       the invoice.
      :vartype invoice_period_start_date: date
      :ivar invoice_period_end_date: The end of the date range covered by the
       invoice.
      :vartype invoice_period_end_date: date
      :ivar billing_period_ids: Array of billing perdiod ids that the invoice is
       attributed to.
      :vartype billing_period_ids: list of str
      """
  
      _validation = {
          'id': {'readonly': True},
          'name': {'readonly': True},
          'type': {'readonly': True},
          'invoice_period_start_date': {'readonly': True},
          'invoice_period_end_date': {'readonly': True},
          'billing_period_ids': {'readonly': True},
      }
  
      _attribute_map = {
          'id': {'key': 'id', 'type': 'str'},
          'name': {'key': 'name', 'type': 'str'},
          'type': {'key': 'type', 'type': 'str'},
          'download_url': {'key': 'properties.downloadUrl', 'type': 'DownloadUrl'},
          'invoice_period_start_date': {'key': 'properties.invoicePeriodStartDate', 'type': 'date'},
          'invoice_period_end_date': {'key': 'properties.invoicePeriodEndDate', 'type': 'date'},
          'billing_period_ids': {'key': 'properties.billingPeriodIds', 'type': '[str]'},
      }
  
      def __init__(self, download_url=None):
          super(Invoice, self).__init__()
          self.download_url = download_url
          self.invoice_period_start_date = None
          self.invoice_period_end_date = None
          self.billing_period_ids = None
  