def practice_service_messages(self):
grades = [10, 11, 12]
messages = []
expiring_services = self.expiring_services()
# Format messages about expiring services.
if expiring_services.values():
msg = ''
num_days = self.number_of_days_until(expiring_services)
if num_days < 1:
days = 'today.'
else:
days = num_days > 1 and 'in %s days.' or 'in %s day.'
days = days % num_days
template = 'Your access to %s practice will expire '+days
service_grades = expiring_services.keys()
service_grades.sort()
if service_grades == grades:
msg = template % self.subject.capitalize()
else:
services = ' and '.join(['Grade %s' %s for s in service_grades])
msg = template % services
messages.append(msg)
else:
# no services expiring? Then don't show any messages.
return []
# Now, we do the formatting of the active services.
active_services = self.active_services()
# Remove all the services that we already reported on above.
for grade in expiring_services.keys():
active_services.pop(grade, None)
if active_services.values():
# flatten the list of memberservice lists
memberservices = ListType(chain.from_iterable(active_services.values()))
# sort according to expiry_date
memberservices.sort(key=lambda service: service.expiry_date)
# use the first expiry date
formatted_expiry_date = \
self.format_date(memberservices[0].expiry_date)
msg = ''
template = 'You will still have access to %s practice until %s.'
service_grades = active_services.keys()
service_grades.sort()
services = ' and '.join(['Grade %s' %s for s in service_grades])
msg = template % (services, formatted_expiry_date)
messages.append(msg)
# Lastly, add a link to the order form.
if expiring_services:
messages.append(
'<a href="/order">To extend your subscription, click here.</a>')
return messages
def number_of_days_until(self, expiring_services):
# flatten the list of memberservice lists
memberservices = ListType(chain.from_iterable(expiring_services.values()))
# sort according to expiry_date
memberservices.sort(key=lambda service: service.expiry_date)
# use the last expiry date
expiry_date = memberservices[0].expiry_date
now = datetime.now().date()
delta = expiry_date - now
return delta.days
