def notify_expiration():
"""
From the configured models, find items that will expire within the configured
time period and notify whomever is onfigured for that model
"""
for app_model, config in EXPIRATION.items():
app, model_name = app_model.split('.')
func = config['notify_func']
if isinstance(func, basestring):
func = get_class(func)
end = datetime.timedelta(days=config['notify_lead_time'])
start = datetime.timedelta(days=config['notify_lead_time'] - config['notify_time_delta'])
for license in GrantedLicense.objects.filter(
agreement_expires__gt=datetime.date.today() + start,
agreement_expires__lte=datetime.date.today() + end
).exclude(
content_expiration=1
):
if license.content_expiration == 2:
# Expires with agreement, so all related items are gathered
objs = func(getattr(license, config['related_name']).all())
elif license.content_expiration == 3:
# Expires after duration, so need the date_field
if not license.content_expires_after:
license.content_expires_after = 0
tdelta = datetime.datetime.now() - datetime.timedelta(days=license.content_expires_after)
lookup = {'%s__lt' % config['date_field']: tdelta}
objs = func(getattr(license, config['related_name']).filter(**lookup))
notify(config['notify_recipients'], objs, license)
def expire_items():
"""
From the configured models, find expired items and execute the expire function
"""
for app_model, config in EXPIRATION.items():
app, model_name = app_model.split('.')
func = config['expire_func']
if isinstance(func, basestring):
func = get_class(func)
for license in GrantedLicense.objects.filter(
agreement_expires__lt=datetime.datetime.now()
).exclude(
content_expiration=1
):
if license.content_expiration == 2:
# Expires with agreement, so all related items are gathered
objs = getattr(license, config['related_name']).all()
func(objs)
elif license.content_expiration == 3:
# Expires after duration, so need the date_field
if not license.content_expires_after:
license.content_expires_after = 0
tdelta = datetime.date.today() - datetime.timedelta(days=license.content_expires_after)
lookup = {'%s__lt' % config['date_field']: tdelta}
objs = getattr(license, config['related_name']).filter(**lookup)
func(objs)