def walk_subscriptions(obj, cutoff_level=None):
"""
Get subscriptions on `obj` and all of its children. Returns a
generator that yields tuples in the form `(obj, n, subscription)`.
If `cutoff_level` is set to an integer x, than at most x levels
will be walked, first included.
"""
if cutoff_level == 0:
return
elif cutoff_level is not None:
cutoff_level -= 1
try:
sc = ISubscriptionContainer(obj)
except TypeError:
# we reached an object that does not support subscription
return
for n, subscription in sc.list_with_keys():
yield (obj, n, subscription)
for child_obj in obj.objectValues():
for item in walk_subscriptions(child_obj, cutoff_level):
yield item
def walk_subscriptions(obj, cutoff_level=None):
"""
Get subscriptions on `obj` and all of its children. Returns a
generator that yields tuples in the form `(obj, n, subscription)`.
If `cutoff_level` is set to an integer x, than at most x levels
will be walked, first included.
"""
if cutoff_level == 0:
return
elif cutoff_level is not None:
cutoff_level -= 1
try:
sc = ISubscriptionContainer(obj)
except TypeError:
# we reached an object that does not support subscription
return
for n, subscription in sc.list_with_keys():
yield (obj, n, subscription)
for child_obj in obj.objectValues():
for item in walk_subscriptions(child_obj, cutoff_level):
yield item
def _validate_subscription(self, **kw):
""" Validate add/edit subscription for authorized and anonymous users
"""
if (kw['notif_type'] not in self.available_notif_types(kw['location']) and
not (kw['notif_type'] == 'administrative' and
self.checkPermissionPublishObjects())):
raise i18n_exception(ValueError, 'Subscribing to ${notif_type} '
'notifications in "${location}" not allowed',
location=kw['location'] or self.getSite().title, notif_type=kw['notif_type'])
try:
obj = self.getSite().restrictedTraverse(kw['location'])
except:
raise i18n_exception(ValueError,
'This path is invalid or protected')
try:
subscription_container = ISubscriptionContainer(obj)
except:
raise i18n_exception(ValueError, 'Cannot subscribe to this folder')
if kw.get('anonymous', False):
#Check if subscription exists for this anonymous subscriber
if not is_valid_email(kw.get('email', '')):
raise i18n_exception(ValueError,
'Your e-mail address does not appear to be valid.')
for id, subscription in subscription_container.list_with_keys():
#Normal subscriptions don't have e-mail
if isinstance(subscription, AnonymousSubscription):
if (subscription.email == kw['email'] and
subscription.notif_type == kw['notif_type'] and
subscription.lang == kw['lang']):
raise i18n_exception(ValueError,
'Subscription already exists')
def _validate_subscription(self, **kw):
""" Validate add/edit subscription for authorized and anonymous users
"""
if kw['notif_type'] not in self.available_notif_types(kw['location']):
raise i18n_exception(ValueError, 'Subscribing to notifications in '
'"${location}" not allowed', location=kw['location'])
try:
obj = self.getSite().restrictedTraverse(kw['location'])
except:
raise i18n_exception(ValueError,
'This path is invalid or protected')
try:
subscription_container = ISubscriptionContainer(obj)
except:
raise i18n_exception(ValueError, 'Cannot subscribe to this folder')
if not kw.get('anonymous', False):
n = utils.match_account_subscription(subscription_container,
kw['user_id'], kw['notif_type'],
kw['lang'])
if n is not None:
raise i18n_exception(ValueError, 'Subscription already exists')
else: #Check if subscription exists for this anonymous subscriber
if not is_valid_email(kw.get('email', '')):
raise i18n_exception(ValueError,
'Your e-mail address does not appear to be valid.')
for id, subscription in subscription_container.list_with_keys():
#Normal subscriptions don't have e-mail
if isinstance(subscription, AnonymousSubscription):
if (subscription.email == kw['email'] and
subscription.notif_type == kw['notif_type'] and
subscription.lang == kw['lang']):
raise i18n_exception(ValueError,
'Subscription already exists')
def walk_subscriptions(obj):
"""
Get subscriptions on `obj` and all of its children. Returns a
generator that yields tuples in the form `(obj, n, subscription)`.
"""
try:
sc = ISubscriptionContainer(obj)
except TypeError:
# we reached an object that does not support subscription
return
for n, subscription in sc.list_with_keys():
yield (obj, n, subscription)
for child_obj in obj.objectValues():
for item in walk_subscriptions(child_obj):
yield item
def remove_anonymous_subscription(self, email, location, notif_type, lang):
try:
obj = self.getSite().restrictedTraverse(location)
except:
raise i18n_exception(ValueError, 'Invalid location')
try:
subscription_container = ISubscriptionContainer(obj)
except:
raise i18n_exception(ValueError, 'Invalid container')
anonymous_subscriptions = [(n, s) for n, s in
subscription_container.list_with_keys()
if hasattr(s, 'email')]
subscriptions = filter(lambda s: (s[1].email == email and
s[1].location == location and
s[1].notif_type == notif_type),
anonymous_subscriptions)
if len(subscriptions) == 1:
subscription_container.remove(subscriptions[0][0])
else:
raise i18n_exception(ValueError, 'Subscription not found')
def remove_anonymous_subscription(self, email, location, notif_type, lang):
try:
obj = self.getSite().restrictedTraverse(location)
except:
raise i18n_exception(ValueError, 'Invalid location')
try:
subscription_container = ISubscriptionContainer(obj)
except:
raise i18n_exception(ValueError, 'Invalid container')
anonymous_subscriptions = [
(n, s) for n, s in subscription_container.list_with_keys()
if hasattr(s, 'email')
]
subscriptions = filter(
lambda s: (s[1].email == email and s[1].location == location and s[
1].notif_type == notif_type), anonymous_subscriptions)
if len(subscriptions) == 1:
subscription_container.remove(subscriptions[0][0])
else:
raise i18n_exception(ValueError, 'Subscription not found')
