class TimelineSerializer(serializers.Serializer):
INTERVAL_CHOICES = ('hour', 'day', 'week', 'month')
start_time = TimestampField(default=lambda: core_utils.timeshift(days=-1))
end_time = TimestampField(default=lambda: core_utils.timeshift())
interval = serializers.ChoiceField(choices=INTERVAL_CHOICES, default='day')
def get_date_points(self):
start_time = self.validated_data['start_time']
end_time = self.validated_data['end_time']
interval = self.validated_data['interval']
if interval == 'hour':
start_point = start_time.replace(second=0, minute=0, microsecond=0)
interval = timedelta(hours=1)
elif interval == 'day':
start_point = start_time.replace(hour=0, second=0, minute=0, microsecond=0)
interval = timedelta(days=1)
elif interval == 'week':
start_point = start_time.replace(hour=0, second=0, minute=0, microsecond=0)
interval = timedelta(days=7)
elif interval == 'month':
start_point = start_time.replace(hour=0, second=0, minute=0, microsecond=0)
interval = timedelta(days=30)
points = [start_time]
current_point = start_point
while current_point <= end_time:
points.append(current_point)
current_point += interval
if points[-1] != end_time:
points.append(end_time)
return [p for p in points if start_time <= p <= end_time]
def setUp(self):
self.datetime = utils.timeshift(days=-1)
self.timestamp = utils.datetime_to_timestamp(self.datetime)
def setUp(self):
self.field = StringTimestampField(formats=('%Y-%m-%dT%H:%M:%S',))
self.datetime = core_utils.timeshift()
self.datetime_str = self.datetime.strftime('%Y-%m-%dT%H:%M:%S')
self.timestamp = core_utils.datetime_to_timestamp(self.datetime)