def parse_new_chapters(user, chapters):
for c in chapters:
if not 'start' in c:
raise ParameterMissing('start parameter missing')
start = parse_time(c['start'])
if not 'end' in c:
raise ParameterMissing('end parameter missing')
end = parse_time(c['end'])
label = c.get('label', '')
adv = c.get('advertisement', False)
device_uid = c.get('device', None)
if device_uid:
device_id = get_device(user, device_uid,
request.META.get('HTTP_USER_AGENT', ''), undelete=True).id
else:
device_id = None
chapter = Chapter()
chapter.device = device_id
chapter.created = timestamp
chapter.start = start
chapter.end = end
chapter.label = label
chapter.advertisement = adv
yield chapter
