@WidgetBase.register
class ActivityDurationWidget(ProgressWidget):

    current_value_annotation = _('This week')
    range_min = 0
    range_max = 600  # 10 * 60
    range_increment = 15
    goal_label = _('Set your daily goal')
    recommendation_text = _("We recommended at least **1 hour and 30 minutes** of moderate aerobic activity every week")

    class Meta:
        proxy = True

@WidgetBase.register
class ActivityDistanceWidget(ProgressWidget):

    current_value_annotation = _('This week')
    range_min = 0
    range_max = 20000
    range_increment = 10
    goal_label = _('Set your daily goal')
    recommendation_text = _("recommendation for distance")

    class Meta:
        proxy = True



label = "How would you like to track progress towards your goal?"
dash_activity_metrics = ["distance" , "duration"]

for activity in WIDGET_CATEGORIES['activity']['items']:
  activity_identifier = activity['id']
  for metric in dash_activity_metrics:
    widget_id = "{0}-{1}".format(activity_identifier, metric)
    items.append(dict(id=widget_id, type="widget", label=metric, icon_id="<icon_name>"))

    # dataformat_id = get the dataformat of this acitvity
    # icon_id = the icon_id of this widget
    current_value_query = mario.parse('{0}/{1}/this-week/sum'.format(activity_identifier, metric))
    # create a class object that extends
    # ActivityDistanceWidget if the metric is distance
    # ActivityDurationWidget if the metric is duration
    # with the dataformat_id, current_value_query defined above

  # the activity category
  WIDGET_CATEGORIES[activity['id']] = dict(label=label, items=items)