def __init__(self, auth, profile_id, is_admin):
        """Initializes CreativeAssociationDAO with profile id and authentication scheme."""
        super(CreativeAssociationDAO, self).__init__(auth, profile_id,
                                                     is_admin)

        self._id_field = FieldMap.CAMPAIGN_CREATIVE_ASSOCIATION_ID

        self.campaign_dao = CampaignDAO(auth, profile_id, is_admin)
        self.creative_dao = CreativeDAO(auth, profile_id, is_admin)

        self._parent_filter_name = None
        self._parent_filter_field_name = None
Ejemplo n.º 2
0
def init_daos():
  global video_format_dao
  global landing_page_dao
  global placement_group_dao
  global campaign_dao
  global creative_association_dao
  global creative_dao
  global placement_dao
  global creative_asset_dao
  global ad_dao
  global event_tag_dao
  global dynamic_targeting_key_dao
  global spreadsheet

  spreadsheet = sheets_get(project.task['auth'], project.task['sheet_id'])

  #store.auth = project.task['auth']
  #store.trix_id = project.task.get('store', {}).get('sheet_id', project.task['sheet_id'])
  #store.load_id_map()

  video_format_dao = VideoFormatDAO(project.task['auth'], project.task['dcm_profile_id'], project.task['is_admin'])
  landing_page_dao = LandingPageDAO(project.task['auth'], project.task['dcm_profile_id'], project.task['is_admin'])
  placement_group_dao = PlacementGroupDAO(project.task['auth'], project.task['dcm_profile_id'], project.task['is_admin'])
  campaign_dao = CampaignDAO(project.task['auth'], project.task['dcm_profile_id'], project.task['is_admin'])
  creative_association_dao = CreativeAssociationDAO(project.task['auth'], project.task['dcm_profile_id'], project.task['is_admin'])
  creative_dao = CreativeDAO(project.task['auth'], project.task['dcm_profile_id'], project.task['is_admin'])
  placement_dao = PlacementDAO(project.task['auth'], project.task['dcm_profile_id'], project.task['is_admin'])
  creative_asset_dao = CreativeAssetDAO( project.task['auth'], project.task['dcm_profile_id'], project.task['is_admin'], project.id)
  ad_dao = AdDAO(project.task['auth'], project.task['dcm_profile_id'], project.task['is_admin'])
  event_tag_dao = EventTagDAO(project.task['auth'], project.task['dcm_profile_id'], project.task['is_admin'])
  dynamic_targeting_key_dao = DynamicTargetingKeyDAO(project.task['auth'], project.task['dcm_profile_id'], project.task['is_admin'])
Ejemplo n.º 3
0
  def __init__(self, auth, profile_id, is_admin):
    """Initializes AdDAO with profile id and authentication scheme."""
    super(AdDAO, self).__init__(auth, profile_id, is_admin)

    self._id_field = FieldMap.AD_ID
    self._search_field = FieldMap.AD_NAME
    self._list_name = 'ads'

    self._creative_dao = CreativeDAO(auth, profile_id, is_admin)
    self._placement_dao = PlacementDAO(auth, profile_id, is_admin)
    self._campaign_dao = CampaignDAO(auth, profile_id, is_admin)
    self._event_tag_dao = EventTagDAO(auth, profile_id, is_admin)
    self._landing_page_dao = LandingPageDAO(auth, profile_id, is_admin)

    self._parent_filter_name = 'campaignIds'
    self._parent_dao = self._campaign_dao
    self._parent_filter_field_name = FieldMap.CAMPAIGN_ID

    self._entity = 'AD'
Ejemplo n.º 4
0
class AdDAO(BaseDAO):
  """Ad data access object.

  Inherits from BaseDAO and implements ad specific logic for creating and
  updating ads.
  """

  def __init__(self, auth, profile_id, is_admin):
    """Initializes AdDAO with profile id and authentication scheme."""
    super(AdDAO, self).__init__(auth, profile_id, is_admin)

    self._id_field = FieldMap.AD_ID
    self._search_field = FieldMap.AD_NAME
    self._list_name = 'ads'

    self._creative_dao = CreativeDAO(auth, profile_id, is_admin)
    self._placement_dao = PlacementDAO(auth, profile_id, is_admin)
    self._campaign_dao = CampaignDAO(auth, profile_id, is_admin)
    self._event_tag_dao = EventTagDAO(auth, profile_id, is_admin)
    self._landing_page_dao = LandingPageDAO(auth, profile_id, is_admin)

    self._parent_filter_name = 'campaignIds'
    self._parent_dao = self._campaign_dao
    self._parent_filter_field_name = FieldMap.CAMPAIGN_ID

    self._entity = 'AD'

  def _api(self, iterate=False):
    """Returns an DCM API instance for this DAO."""
    return super(AdDAO, self)._api(iterate).ads()

  def _api_creatives(self, iterate=False):
    """Returns an DCM API instance for this DAO."""
    return super(AdDAO, self)._api(iterate).creatives()

  def _wait_creative_activation(self, creative_id, timeout=128):
    """Waits for a creative to become active.

    This function checks the if the creative is active in intervals that
    increase exponentially (exponential backoff).

    Args:
      creative_id: Creative identifier.
      timeout: Optional parameter, determines how many seconds to wait for the
        activation.

    Raises:
      Exception: In case the creative doesn't activate within the specified
      timeout

    """
    # Only wait for creative activation if it is a new creative trafficked by
    # this Bulkdozer session
    if store.get('CREATIVE', creative_id):
      creative = self._api_creatives().get(
          profileId=self.profile_id, id=creative_id).execute()
      wait = 2

      while not creative['active'] and timeout > 0:
        print('Waiting %s seconds for creative %s activation...' %
              (wait, creative_id))
        time.sleep(wait)
        timeout -= wait
        wait *= 2
        creative = self._api_creatives().get(
            profileId=self.profile_id, id=creative_id).execute()

      if not creative['active']:
        raise Exception(
            'Creative %s failed to activate within defined timeout' %
            creative['id'])

  def _wait_all_creative_activation(self, feed_item, timeout=128):
    """Waits for activation of all creatives that should be associated to the feed item that represents an ad.

    Args:
      feed_item: Feed item representing an Ad from the Bulkdozer feed.
      timeout: Optional parameter identifying how long to wait for all creatives
        to be activated in seconds.

    Raises:
      Exception: In case one or more creatives do not get activated within the
      specified timeout.

    """
    for association in feed_item['creative_assignment']:
      creative = self._creative_dao.get(association, required=True)
      self._wait_creative_activation(creative['id'], timeout)

  def _assignment_matches(self, item, assignment):
    if item.get(FieldMap.AD_ID, None) and assignment.get(FieldMap.AD_ID, None):
      return item.get(FieldMap.AD_ID,
                      None) == assignment.get(FieldMap.AD_ID, None)
    else:
      return item.get(FieldMap.AD_NAME,
                      '1') == assignment.get(FieldMap.AD_NAME, '2')

  def map_feeds(self, ad_feed, ad_creative_assignment, ad_placement_assignment,
                ad_event_tag_assignment, placement_feed,
                event_tag_profile_feed):
    """Maps subfeeds to the corresponding ad.

    The Ad is an object that has several other dependent entities, they could be
    other entities like creative assignment, or complex sub objects in the ad
    entity like the placement assignment. This function maps those feeds by ID
    and injects the child feeds into the feed item representing the ad.

    Also, the ad level is where placement event tag profiles are assigned, and
    therefore this function is also responsible to determining if the placement
    event tag profile should be used, or if the direct event tag assignment in
    the ad should be used.

    Args:
      ad_feed: Ad feed.
      ad_creative_assignment: Ad creative assignment feed.
      ad_placement_assignment: Ad placement assignment feed.
      placement_feed: Placement feed.
      event_tag_profile_feed: Event tag profile feed.
    """
    for ad in ad_feed:
      ad['creative_assignment'] = [
          association for association in ad_creative_assignment
          if self._assignment_matches(ad, association)
      ]

      ad['placement_assignment'] = [
          association for association in ad_placement_assignment
          if self._assignment_matches(ad, association)
      ]

      if ad.get(FieldMap.PLACEMENT_ID, None) or ad.get(FieldMap.PLACEMENT_NAME,
                                                       None):
        ad['placement_assignment'].append(ad)

      ad['event_tag_assignment'] = [
          association for association in ad_event_tag_assignment
          if self._assignment_matches(ad, association)
      ]

      if ad.get(FieldMap.EVENT_TAG_ID, None) or ad.get(FieldMap.EVENT_TAG_NAME,
                                                       None):
        ad['event_tag_assignment'].append(ad)

      # Identify all event tag profiles associated with the placements
      ad['placement_event_tag_profile'] = []
      for placement_assignment in ad['placement_assignment']:
        placement = self._placement_dao.get(placement_assignment, required=True)

        if placement:
          ad_placement = None
          for item in placement_feed:
            if int(placement['id']) == item.get(FieldMap.PLACEMENT_ID, None):
              ad_placement = item

          if ad_placement:
            event_tag_profile_name = ad_placement.get(
                FieldMap.EVENT_TAG_PROFILE_NAME, '')

            if event_tag_profile_name:
              ad['placement_event_tag_profile'] += [
                  event_tag_profile
                  for event_tag_profile in event_tag_profile_feed
                  if event_tag_profile.get(FieldMap.EVENT_TAG_PROFILE_NAME,
                                           None) == event_tag_profile_name
              ]

  def _setup_rotation_strategy(self, creative_rotation, feed_item):
    """Analyzes the feed and sets up rotation strategy for the ad.

    For better user experience, the creative rotaion values that come from the
    feed map directly to values in the UI, this function is responsible for
    translating that to API specific values for the creative rotation objects
    under the ad.

    Args:
      creative_rotation: Feed item representing the creative rotation setup from
        the feed.
      feed_item: Feed item representing the ad.
    """
    option = feed_item.get(FieldMap.CREATIVE_ROTATION, 'Even').upper()

    if option == 'EVEN':
      creative_rotation['type'] = 'CREATIVE_ROTATION_TYPE_RANDOM'
      creative_rotation['weightCalculationStrategy'] = 'WEIGHT_STRATEGY_EQUAL'
    elif option == 'SEQUENTIAL':
      creative_rotation['type'] = 'CREATIVE_ROTATION_TYPE_SEQUENTIAL'
      creative_rotation['weightCalculationStrategy'] = None
    elif option == 'CUSTOM':
      creative_rotation['type'] = 'CREATIVE_ROTATION_TYPE_RANDOM'
      creative_rotation['weightCalculationStrategy'] = 'WEIGHT_STRATEGY_CUSTOM'
    elif option == 'CLICK-THROUGH RATE':
      creative_rotation['type'] = 'CREATIVE_ROTATION_TYPE_RANDOM'
      creative_rotation[
          'weightCalculationStrategy'] = 'WEIGHT_STRATEGY_HIGHEST_CTR'
    elif option == 'OPTIMIZED':
      creative_rotation['type'] = 'CREATIVE_ROTATION_TYPE_RANDOM'
      creative_rotation[
          'weightCalculationStrategy'] = 'WEIGHT_STRATEGY_OPTIMIZED'

  def _process_update(self, item, feed_item):
    """Updates an ad based on the values from the feed.

    Args:
      item: Object representing the ad to be updated, this object is updated
        directly.
      feed_item: Feed item representing ad values from the Bulkdozer feed.
    """
    campaign = self._campaign_dao.get(feed_item, required=True)

    item['active'] = feed_item.get(FieldMap.AD_ACTIVE, True)

    if item['active']:
      self._wait_all_creative_activation(feed_item)

    self._setup_rotation_strategy(item['creativeRotation'], feed_item)

    if feed_item['creative_assignment']:
      item['creativeRotation']['creativeAssignments'] = []

    item['placementAssignments'] = []
    item['eventTagOverrides'] = []

    self._process_assignments(
        feed_item, item['creativeRotation'].get('creativeAssignments', []),
        item['placementAssignments'], item['eventTagOverrides'], campaign)

    if 'deliverySchedule' in item:
      item['deliverySchedule']['priority'] = feed_item.get(
          FieldMap.AD_PRIORITY, None)

    if feed_item.get(FieldMap.AD_HARDCUTOFF, None) != None:
      if not 'deliverySchedule' in item:
        item['deliverySchedule'] = {}

      item['deliverySchedule']['hardCutoff'] = feed_item.get(
          FieldMap.AD_HARDCUTOFF)

    item['archived'] = feed_item.get(FieldMap.AD_ARCHIVED, False)

    if 'T' in feed_item.get(FieldMap.AD_END_DATE, None):
      item['endTime'] = feed_item.get(FieldMap.AD_END_DATE, None)
    else:
      item['endTime'] = StringExtensions.convertDateStrToDateTimeStr(
          feed_item.get(FieldMap.AD_END_DATE, None), '23:59:59')

    if 'T' in feed_item.get(FieldMap.AD_START_DATE, None):
      item['startTime'] = feed_item.get(FieldMap.AD_START_DATE, None)
    else:
      item['startTime'] = StringExtensions.convertDateStrToDateTimeStr(
          feed_item.get(FieldMap.AD_START_DATE, None))

    item['name'] = feed_item.get(FieldMap.AD_NAME, None)

    self._process_landing_page(item, feed_item)

  def _process_assignments(self, feed_item, creative_assignments,
                           placement_assignments, event_tag_assignments,
                           campaign):
    """Updates the ad by setting the values of child objects based on secondary feeds.

    Args:
      feed_item: Feed item representing the ad from the Bulkdozer feed.
      creative_assignments: Feed items representing creative assignments related
        with the current ad.
      placement_assignments: Feed items representing placement assignments
        related with the current ad.
      event_tag_assignments: Feed items representing event tag assignments
        related with the current ad.
    """
    assigned_creatives = []
    assigned_placements = []
    assigned_event_tags = []

    for assignment in feed_item['creative_assignment']:
      creative = self._creative_dao.get(assignment, required=True)
      assignment[FieldMap.CREATIVE_ID] = creative['id']

      if not creative['id'] in assigned_creatives:
        assigned_creatives.append(creative['id'])

        sequence = assignment.get(FieldMap.CREATIVE_ROTATION_SEQUENCE, None)
        weight = assignment.get(FieldMap.CREATIVE_ROTATION_WEIGHT, None)

        sequence = sequence if type(sequence) is int else None
        weight = weight if type(weight) is int else None

        if assignment.get(FieldMap.AD_CREATIVE_ROTATION_START_TIME, ''):
          startTime = (
              assignment.get(FieldMap.AD_CREATIVE_ROTATION_START_TIME,
                             '') if 'T' in assignment.get(
                                 FieldMap.AD_CREATIVE_ROTATION_START_TIME, '')
              else StringExtensions.convertDateStrToDateTimeStr(
                  feed_item.get(FieldMap.AD_CREATIVE_ROTATION_START_TIME,
                                None)))
          assignment[FieldMap.AD_CREATIVE_ROTATION_START_TIME] = startTime
        else:
          startTime = None

        if assignment.get(FieldMap.AD_CREATIVE_ROTATION_END_TIME, ''):
          endTime = (
              assignment.get(FieldMap.AD_CREATIVE_ROTATION_END_TIME, '') if
              'T' in assignment.get(FieldMap.AD_CREATIVE_ROTATION_END_TIME, '')
              else StringExtensions.convertDateStrToDateTimeStr(
                  feed_item.get(FieldMap.AD_CREATIVE_ROTATION_END_TIME, None),
                  '23:59:59'))
          assignment[FieldMap.AD_CREATIVE_ROTATION_END_TIME] = endTime
        else:
          endTime = None

        lp = None
        if assignment.get(FieldMap.AD_LANDING_PAGE_ID,
                          '') != 'CAMPAIGN_DEFAULT':
          lp = self._landing_page_dao.get(assignment, required=True)
        else:
          lp = self._landing_page_dao.get(
              {FieldMap.AD_LANDING_PAGE_ID: campaign['defaultLandingPageId']},
              required=True)

        creative_assignment = {
            'active': True,
            'sequence': sequence,
            'weight': weight,
            'creativeId': assignment.get(FieldMap.CREATIVE_ID, None),
            'startTime': startTime,
            'endTime': endTime,
            'clickThroughUrl': {
                'defaultLandingPage':
                    False if
                    (assignment.get(FieldMap.AD_LANDING_PAGE_ID, '') or
                     assignment.get(FieldMap.CUSTOM_CLICK_THROUGH_URL, '')) and
                    assignment.get(FieldMap.AD_LANDING_PAGE_ID,
                                   '') != 'CAMPAIGN_DEFAULT' else True,
                'landingPageId':
                    lp.get('id', None) if lp else None,
                'customClickThroughUrl':
                    assignment.get(FieldMap.CUSTOM_CLICK_THROUGH_URL, '')
            }
        }

        if creative.get('exitCustomEvents'):
          creative_assignment['richMediaExitOverrides'] = []

          if assignment.get(FieldMap.AD_LANDING_PAGE_ID, '') or assignment.get(
              FieldMap.CUSTOM_CLICK_THROUGH_URL, ''):
            for exit_custom_event in creative.get('exitCustomEvents', []):
              creative_assignment['richMediaExitOverrides'].append({
                  'exitId': exit_custom_event['id'],
                  'enabled': True,
                  'clickThroughUrl': {
                      'defaultLandingPage':
                          False if
                          (assignment.get(FieldMap.AD_LANDING_PAGE_ID, '') or
                           assignment.get(FieldMap.CUSTOM_CLICK_THROUGH_URL, '')
                          ) and assignment.get(FieldMap.AD_LANDING_PAGE_ID, '')
                          != 'CAMPAIGN_DEFAULT' else True,
                      'landingPageId':
                          lp.get('id', None) if lp else None,
                      'customClickThroughUrl':
                          assignment.get(FieldMap.CUSTOM_CLICK_THROUGH_URL, '')
                  }
              })

        creative_assignments.append(creative_assignment)

    for assignment in feed_item['placement_assignment']:
      placement = self._placement_dao.get(assignment, required=True)
      if placement:
        assignment[FieldMap.PLACEMENT_ID] = placement['id']

        if not placement['id'] in assigned_placements:
          assigned_placements.append(placement['id'])

          placement_assignments.append({
              'active': True,
              'placementId': assignment.get(FieldMap.PLACEMENT_ID, None),
          })

    event_tags = [{
        'assignment': item,
        'event_tag': self._event_tag_dao.get(item, required=True)
    } for item in feed_item['event_tag_assignment']]

    event_tags += [{
        'assignment': item,
        'event_tag': self._event_tag_dao.get(item, required=True)
    } for item in feed_item['placement_event_tag_profile']]

    for item in event_tags:
      assignment = item['assignment']
      event_tag = item['event_tag']

      if event_tag:
        assignment[FieldMap.EVENT_TAG_ID] = event_tag['id']

        if not event_tag['id'] in assigned_event_tags:
          assigned_event_tags.append(event_tag['id'])

          event_tag_assignments.append({
              'id': event_tag['id'],
              'enabled': assignment.get(FieldMap.EVENT_TAG_ENABLED, True)
          })

  def _process_new(self, feed_item):
    """Creates a new ad DCM object from a feed item representing an ad from the Bulkdozer feed.

    This function simply creates the object to be inserted later by the BaseDAO
    object.

    Args:
      feed_item: Feed item representing the ad from the Bulkdozer feed.

    Returns:
      An ad object ready to be inserted in DCM through the API.

    """
    if feed_item.get(FieldMap.AD_ACTIVE, None):
      self._wait_all_creative_activation(feed_item)

    campaign = self._campaign_dao.get(feed_item, required=True)

    creative_assignments = []
    placement_assignments = []
    event_tag_assignments = []
    self._process_assignments(feed_item, creative_assignments,
                              placement_assignments, event_tag_assignments,
                              campaign)

    creative_rotation = {'creativeAssignments': creative_assignments}

    self._setup_rotation_strategy(creative_rotation, feed_item)

    delivery_schedule = {
        'impressionRatio': '1',
        'priority': feed_item.get(FieldMap.AD_PRIORITY, None),
        'hardCutoff': feed_item.get(FieldMap.AD_HARDCUTOFF, None)
    }

    ad = {
        'active':
            feed_item.get(FieldMap.AD_ACTIVE, None),
        'archived':
            feed_item.get(FieldMap.AD_ARCHIVED, None),
        'campaignId':
            campaign['id'],
        'creativeRotation':
            creative_rotation,
        'deliverySchedule':
            delivery_schedule,
        'endTime':
            feed_item.get(FieldMap.AD_END_DATE, None) if 'T' in feed_item.get(
                FieldMap.AD_END_DATE, None) else
            StringExtensions.convertDateStrToDateTimeStr(
                feed_item.get(FieldMap.AD_END_DATE, None), '23:59:59'),
        'name':
            feed_item.get(FieldMap.AD_NAME, None),
        'placementAssignments':
            placement_assignments,
        'startTime':
            feed_item.get(FieldMap.AD_START_DATE, None) if 'T' in feed_item.get(
                FieldMap.AD_START_DATE, None) else
            StringExtensions.convertDateStrToDateTimeStr(
                feed_item.get(FieldMap.AD_START_DATE, None)),
        'type':
            feed_item.get(FieldMap.AD_TYPE, 'AD_SERVING_STANDARD_AD'),
        'eventTagOverrides':
            event_tag_assignments
    }

    self._process_landing_page(ad, feed_item)

    return ad

  def _process_landing_page(self, item, feed_item):
    """Configures ad landing page.

    Args:
      item: DCM ad object to update.
      feed_item: Feed item representing the ad from the Bulkdozer feed
    """
    if feed_item.get(FieldMap.AD_LANDING_PAGE_ID, ''):

      landing_page = self._landing_page_dao.get(feed_item, required=True)
      item['clickThroughUrl'] = {'landingPageId': landing_page['id']}

    if feed_item.get(FieldMap.AD_URL_SUFFIX, ''):
      item['clickThroughUrlSuffixProperties'] = {
          'overrideInheritedSuffix': True,
          'clickThroughUrlSuffix': feed_item.get(FieldMap.AD_URL_SUFFIX, '')
      }
    else:
      item['clickThroughUrlSuffixProperties'] = {
          'overrideInheritedSuffix': False
      }

  def _sub_entity_map(self, assignments, item, campaign):
    """Maps ids and names of sub entities so they can be updated in the Bulkdozer feed.

    When Bulkdozer is done processing an item, it writes back the updated names
    and ids of related objects, this method makes sure those are updated in the
    ad feed.

    Args:
      assignments: List of child feeds to map.
      item: The DCM ad object that was updated or created.
      campaign: The campaign object associated with the ad.
    """
    for assignment in assignments:
      placement = self._placement_dao.get(assignment, required=True)
      event_tag = self._event_tag_dao.get(assignment, required=True)
      creative = self._creative_dao.get(assignment, required=True)

      landing_page = None
      if assignment.get(FieldMap.AD_LANDING_PAGE_ID, '') != 'CAMPAIGN_DEFAULT':
        landing_page = self._landing_page_dao.get(assignment, required=True)

      if landing_page:
        assignment[FieldMap.AD_LANDING_PAGE_ID] = landing_page['id']

      if item:
        assignment[FieldMap.AD_ID] = item['id']
        assignment[FieldMap.AD_NAME] = item['name']

      if campaign:
        assignment[FieldMap.CAMPAIGN_ID] = campaign['id']
        assignment[FieldMap.CAMPAIGN_NAME] = campaign['name']

      if placement:
        assignment[FieldMap.PLACEMENT_ID] = placement['id']
        assignment[FieldMap.PLACEMENT_NAME] = placement['name']

      if creative:
        assignment[FieldMap.CREATIVE_ID] = creative['id']
        assignment[FieldMap.CREATIVE_NAME] = creative['name']

      if event_tag:
        assignment[FieldMap.EVENT_TAG_ID] = event_tag['id']
        assignment[FieldMap.EVENT_TAG_NAME] = event_tag['name']

  def _post_process(self, feed_item, item):
    """Maps ids and names of related entities so they can be updated in the Bulkdozer feed.

    When Bulkdozer is done processing an item, it writes back the updated names
    and ids of related objects, this method makes sure those are updated in the
    ad feed.

    Args:
      feed_item: Feed item representing the ad from the Bulkdozer feed.
      item: The DCM ad being updated or created.
    """
    campaign = self._campaign_dao.get(feed_item, required=True)
    feed_item[FieldMap.CAMPAIGN_ID] = campaign['id']
    feed_item[FieldMap.CAMPAIGN_NAME] = campaign['name']

    landing_page = self._landing_page_dao.get(feed_item, required=True)

    if landing_page:
      feed_item[FieldMap.AD_LANDING_PAGE_ID] = landing_page['id']

    self._sub_entity_map(feed_item['creative_assignment'], item, campaign)
    self._sub_entity_map(feed_item['placement_assignment'], item, campaign)
    self._sub_entity_map(feed_item['event_tag_assignment'], item, campaign)
class CreativeAssociationDAO(BaseDAO):
    """Creative Association data access object.

  Inherits from BaseDAO and implements creative association specific logic for
  creating and
  updating creative association.
  """
    def __init__(self, auth, profile_id, is_admin):
        """Initializes CreativeAssociationDAO with profile id and authentication scheme."""
        super(CreativeAssociationDAO, self).__init__(auth, profile_id,
                                                     is_admin)

        self._id_field = FieldMap.CAMPAIGN_CREATIVE_ASSOCIATION_ID

        self.campaign_dao = CampaignDAO(auth, profile_id, is_admin)
        self.creative_dao = CreativeDAO(auth, profile_id, is_admin)

        self._parent_filter_name = None
        self._parent_filter_field_name = None

    def _api(self, iterate=False):
        """Returns an DCM API instance for this DAO."""
        return super(CreativeAssociationDAO,
                     self)._api(iterate).campaignCreativeAssociations()

    def get(self, feed_item):
        """It is not possible to retrieve creative associations from DCM,

    and they are read-only, so the get method just returns None,
    it does this to avoid errors when this is invoked polimorfically.

    For more information on the get method, refer to BaseDAO.

    Args:
      feed_item: Feed item representing the creative association from the
        Bulkdozer feed.

    Returns:
      None.
    """
        return None

    def process(self, feed_item):
        """Processes a feed item by creating the creative association in DCM.

    Args:
      feed_item: Feed item representing the creative association from the
        Bulkdozer feed.

    Returns:
      The newly created object from DCM.
    """
        if not feed_item.get(FieldMap.CAMPAIGN_CREATIVE_ASSOCIATION_ID, None):
            campaign = self.campaign_dao.get(feed_item, required=True)
            creative = self.creative_dao.get(feed_item, required=True)

            if campaign and creative:
                if campaign:
                    feed_item[FieldMap.CAMPAIGN_ID] = campaign['id']
                    feed_item[FieldMap.CAMPAIGN_NAME] = campaign['name']

                association = {'creativeId': creative['id']}

                result = self._api().insert(profileId=self.profile_id,
                                            campaignId=campaign['id'],
                                            body=association).execute()

                feed_item[
                    FieldMap.CAMPAIGN_CREATIVE_ASSOCIATION_ID] = '%s|%s' % (
                        campaign['id'], creative['id'])

                return result

        return None