def __init__(self, context):
permissions = [MANAGE_DISCOUNT_PERMISSION]
super(ShopPortletCartItemDiscountLink, self).__init__(context, view_permissions=permissions)
if self.display:
self.display = ISite.providedBy(context) or IDiscountSettingsEnabled.providedBy(context)
self.url = "%s/@@item_discount" % context.absolute_url()
self.title = _("item_discount", default=u"Item Discount")
self.order = 70
self.cssclass = "item_discount"
def __init__(self, context, request):
# acquire desired context
interfaces = [IBuyable, IFolder, ISite]
context = self.acquire_context(context, interfaces=interfaces)
# call super class constructor
super(CartItemDiscountLink, self).__init__(context, request)
# check whether context is site or discount settings are enabled on
# context
if self.display:
self.display = ISite.providedBy(context) \
or IDiscountSettingsEnabled.providedBy(context)
# set target URL
self.url = '{}/@@item_discount'.format(context.absolute_url())
def __init__(self, context, request):
# acquire desired context
interfaces = [IBuyable, IFolder, ISite]
context = self.acquire_context(context, interfaces=interfaces)
# call super class constructor
super(CartItemDiscountLink, self).__init__(context, request)
# check whether context is site or discount settings are enabled on
# context
if self.display:
self.display = ISite.providedBy(
context) or IDiscountSettingsEnabled.providedBy(context)
# set target URL
self.url = "{}/@@item_discount".format(context.absolute_url())
def rules(self, portal_type=None):
"""Return rules to apply, most outer first.
Aggregate rules through hierarchy until Plone root is reached.
Container objects get ignored if ``IDiscountSettingsEnabled`` not
provided.
For each context only the first found rule from lookup chain is
considered.
Stops hierarchical lookup if found rule for context sets it's ``block``
flag.
"""
rules = list()
context = self.context
# traverse down at most until plone root
while True:
# ignore context if no discount settings enabled or no site
if not (
IDiscountSettingsEnabled.providedBy(context)
or ISite.providedBy(context)
):
context = aq_parent(aq_inner(context))
continue
rule = None
# iterate lookup chain, break on first rule found
for lookup in self.lookup_chain(context):
rule = lookup.lookup(portal_type=portal_type)
if rule:
break
# add rule if found
if rule:
rules.append(rule)
# break aggregating if defined
if rule.attrs["block"]:
break
# plone root reached
if IPloneSiteRoot.providedBy(context):
break
context = aq_parent(aq_inner(context))
# aggregated rules are applied most outer first
return reversed(rules)
def rules(self, portal_type=None):
"""Return rules to apply, most outer first.
Aggregate rules through hierarchy until Plone root is reached.
Container objects get ignored if ``IDiscountSettingsEnabled`` not
provided.
For each context only the first found rule from lookup chain is
considered.
Stops hierarchical lookup if found rule for context sets it's ``block``
flag.
"""
rules = list()
context = self.context
# traverse down at most until plone root
while True:
# ignore context if no discount settings enabled or no site
if not (IDiscountSettingsEnabled.providedBy(context)
or ISite.providedBy(context)):
context = aq_parent(aq_inner(context))
continue
rule = None
# iterate lookup chain, break on first rule found
for lookup in self.lookup_chain(context):
rule = lookup.lookup(portal_type=portal_type)
if rule:
break
# add rule if found
if rule:
rules.append(rule)
# break aggregating if defined
if rule.attrs['block']:
break
# plone root reached
if IPloneSiteRoot.providedBy(context):
break
context = aq_parent(aq_inner(context))
# aggregated rules are applied most outer first
return reversed(rules)
def rules(self):
# return rules to apply, most outer first
rules = list()
context = self.context
while True:
if not (IDiscountSettingsEnabled.providedBy(context)
or ISite.providedBy(context)):
context = aq_parent(aq_inner(context))
continue
rule = None
for lookup in self.lookup_cascade(context):
rule = lookup.lookup()
if rule:
break
if rule:
rules.append(rule)
if rule.attrs['block']:
break
if IPloneSiteRoot.providedBy(context):
break
context = aq_parent(aq_inner(context))
return reversed(rules)
def can_enable_discount(self):
return not ISite.providedBy(
self.context
) and not IDiscountSettingsEnabled.providedBy(self.context)
def can_enable_discount(self):
return not ISite.providedBy(self.context) \
and not IDiscountSettingsEnabled.providedBy(self.context)