def _materialize_auto_blocks(self):
"""Replace automatic teaser blocks by teaser blocks with same content
and same attributes (e.g. `layout`).
(Make sure this method only runs when #automatic is enabled, otherwise
IRenderedArea will not retrieve results from SOLR / referenced CP.)
"""
order = self.keys()
for old in zeit.content.cp.interfaces.IRenderedArea(self).values():
if not IAutomaticTeaserBlock.providedBy(old):
continue
# Delete automatic teaser first, since adding normal teaser will
# delete the last automatic teaser via the
# `adjust_auto_blocks_to_count` event handler.
# (Deleting doesn't remove __name__ or __parent__, so we can still
# copy those afterwards)
del self[old.__name__]
new = self.create_item("teaser")
new.update(old)
# Preserve order of non-auto blocks.
self.updateOrder(order)
# Remove unfilled auto blocks.
for block in list(self.values()):
if IAutomaticTeaserBlock.providedBy(block):
del self[block.__name__]
def _materialize_auto_blocks(self):
"""Replace automatic teaser blocks by teaser blocks with same content
and same attributes (e.g. `layout`).
(Make sure this method only runs when #automatic is enabled, otherwise
IRenderedArea will not retrieve results from the content query source.)
"""
order = self.keys()
for old in zeit.content.cp.interfaces.IRenderedArea(self).values():
if not IAutomaticTeaserBlock.providedBy(old):
continue
# Delete automatic teaser first, since adding normal teaser will
# delete the last automatic teaser via the
# `adjust_auto_blocks_to_count` event handler.
# (Deleting doesn't remove __name__ or __parent__, so we can still
# copy those afterwards)
del self[old.__name__]
new = self.create_item('teaser')
new.update(old)
# Preserve order of non-auto blocks.
self.updateOrder(order)
# Remove unfilled auto blocks.
for block in list(self.values()):
if IAutomaticTeaserBlock.providedBy(block):
del self[block.__name__]
def values(self):
if not self.automatic:
return self.context.values()
self._v_try_to_retrieve_content = True
self._v_retrieved_content = 0
content = self._retrieve_content()
result = []
for block in self.context.values():
if not IAutomaticTeaserBlock.providedBy(block):
result.append(block)
continue
# This assumes that the *first* block always has a leader layout,
# since otherwise the first result that may_be_leader might be
# given to a non-leader block.
if block.layout.id in ['leader', 'zon-large']:
teaser = self._extract_newest(
content, predicate=is_lead_candidate)
if teaser is None:
teaser = self._extract_newest(content)
block.change_layout(
zeit.content.cp.layout.get_layout('buttons'))
else:
teaser = self._extract_newest(content)
if teaser is None:
continue
block.insert(0, teaser)
result.append(block)
return result
def values(self):
if not self.automatic:
return self.context.values()
try:
content = self._content_query()
except LookupError:
log.warning('%s found no IContentQuery type %s', self.context,
self.automatic_type)
return self.context.values()
result = []
for block in self.context.values():
if not IAutomaticTeaserBlock.providedBy(block):
result.append(block)
continue
# This assumes that the *first* block always has a leader layout,
# since otherwise the first result that may_be_leader might be
# given to a non-leader block.
if self.context.require_lead_candidates and block.layout.is_leader:
teaser = pop_filter(content, is_lead_candidate)
if teaser is None:
teaser = pop_filter(content)
block.change_layout(self.context.default_teaser_layout)
else:
teaser = pop_filter(content)
if teaser is None:
continue
block.insert(0, teaser)
result.append(block)
return result
def test_removing_manual_teaser_automatically_adds_auto_teaser(self):
from zeit.content.cp.interfaces import IAutomaticTeaserBlock
lead = self.repository['cp']['lead']
lead.count = 2
lead.automatic = True
manual_teaser1 = lead.create_item('teaser')
manual_teaser2 = lead.create_item('teaser')
self.assertEqual([manual_teaser1, manual_teaser2], lead.values())
del lead[manual_teaser1.__name__]
self.assertNotIn(manual_teaser1, lead.values())
self.assertIn(manual_teaser2, lead.values())
self.assertTrue(IAutomaticTeaserBlock.providedBy(lead.values()[-1]))
def test_removing_manual_teaser_automatically_adds_auto_teaser(self):
from zeit.content.cp.interfaces import IAutomaticTeaserBlock
lead = self.repository['cp']['lead']
lead.count = 2
lead.automatic = True
manual_teaser1 = lead.create_item('teaser')
manual_teaser2 = lead.create_item('teaser')
self.assertEqual([manual_teaser1, manual_teaser2], lead.values())
del lead[manual_teaser1.__name__]
self.assertNotIn(manual_teaser1, lead.values())
self.assertIn(manual_teaser2, lead.values())
self.assertTrue(IAutomaticTeaserBlock.providedBy(lead.values()[-1]))
def adjust_auto_blocks_to_count(self):
"""Does not touch any block that is not an IAutomaticTeaserBlock, so
only the number of _automatic_ teasers is configured via the
`Area.count` setting. Thus we may contain more than `Area.count`
teasers.
"""
if not self.automatic:
return
automatic_blocks = [x for x in self.values() if IAutomaticTeaserBlock.providedBy(x)]
while self.count < len(self) and len(automatic_blocks) > 0:
block = automatic_blocks.pop(-1)
del self[block.__name__]
while self.count > len(self):
self.create_item("auto-teaser")
def adjust_auto_blocks_to_count(context, event):
if IAutomaticTeaserBlock.providedBy(context):
return # avoid infty loop when adding / deleting auto teaser
area = context.__parent__
area.adjust_auto_blocks_to_count()
def adjust_auto_blocks_to_count(context, event):
if IAutomaticTeaserBlock.providedBy(context):
return # avoid infty loop when adding / deleting auto teaser
area = context.__parent__
area.adjust_auto_blocks_to_count()
