def _publish(self, published=True, **kwargs):
with xact():
filter_args = {
'state': self.PUBLISHED,
'object_id': self.object_id,
}
klass = self.get_version_class()
klass.normal.filter(**filter_args).update(state=self.ARCHIVED)
now = timezone.now()
if published:
self.state = self.PUBLISHED
self.date_published = now
else:
self.last_scheduled = None
self.date_published = None
self.save()
# Update the base model as published and cache the scheduled
# date for comparisons.
self._meta._base_model.objects.filter(pk=self.object_id).update(
is_published=published, v_last_save=self.last_scheduled)
self.is_published = published
self.v_last_save = self.last_scheduled
# Send published signal
klass = self.__class__
if hasattr(self._meta, '_view_model'):
klass = self.__class__
published_signal.send(sender=klass, instance=self)
def _clone(self, **attrs):
"""
Makes a copy of an model instance.
for every key in **attrs value will
be set on the new instance.
"""
with xact():
# Gather objs we'll need save after
old_m2ms = self._gather_m2ms()
old_reverses = self._gather_reverses()
for k, v in attrs.items():
setattr(self, k, v)
# Do the clone
self.prep_for_clone()
self.validate_unique()
# Prevent last save from changing
self.save(last_save=self.last_save)
# save m2ms
self._set_m2ms(old_m2ms)
# Prevent last save from changing
self.save(last_save=self.last_save)
# save reverses
self._clone_reverses(old_reverses)
def make_draft(self):
"""
Make this version the draft
"""
assert self.__class__ == self.get_version_class()
# If this is draft do nothing
if self.state == self.DRAFT:
return
with xact():
# Delete whatever is currently this draft
try:
klass = self.get_version_class()
old_draft = klass.normal.get(object_id=self.object_id,
state=self.DRAFT)
old_draft.delete()
except klass.DoesNotExist:
pass
# Set this to draft and save
self.state = self.DRAFT
# Make last_scheduled and last save match on draft
self.last_save = self.last_scheduled
self._clone()
def make_draft(self):
"""
Make this version the draft
"""
assert self.__class__ == self.get_version_class()
# If this is draft do nothing
if self.state == self.DRAFT:
return
with xact():
# Delete whatever is currently this draft
try:
klass = self.get_version_class()
old_draft = klass.normal.get(object_id=self.object_id,
state=self.DRAFT)
old_draft.delete()
except klass.DoesNotExist:
pass
# Set this to draft and save
self.state = self.DRAFT
# Make last_scheduled and last save match on draft
self.last_save = self.last_scheduled
self._clone()
def _clone(self, **attrs):
"""
Makes a copy of an model instance.
for every key in **attrs value will
be set on the new instance.
"""
with xact():
# Gather objs we'll need save after
old_m2ms = self._gather_m2ms()
old_reverses = self._gather_reverses()
for k, v in attrs.items():
setattr(self, k, v)
# Do the clone
self.prep_for_clone()
# Prevent last save from changing
self.save(last_save=self.last_save)
# save m2ms
self._set_m2ms(old_m2ms)
# Prevent last save from changing
self.save(last_save=self.last_save)
# save reverses
self._clone_reverses(old_reverses)
def save(self, *args, **kwargs):
models.signals.pre_save.send(sender=self.__class__,
instance=self,
raw=kwargs.get('raw'),
using=kwargs.get('using'))
last_save = kwargs.pop('last_save', timezone.now())
with xact():
# Make sure we have a state
if not self.vid:
self.state = self.DRAFT
# Get a version instance
version = self._meta._version_model()
base = self._meta._base_model()
# Build out the version
for f in self._meta.local_fields:
try:
attname = f.name
version._meta.get_field(attname)
if isinstance(f, models.ForeignKey):
attname = "%s_id" % f.name
setattr(version, attname, getattr(self, attname))
# version doesn't have this field
except FieldDoesNotExist:
if self.should_save_base:
setattr(base, f.name, getattr(self, attname))
# Make sure we have a base
if not self.object_id or self.should_save_base:
base.is_published = self.is_published
base.pk = self.pk
base.save(*args, **kwargs)
self.pk = base.pk
# set base object
version.object = base
else:
version.object_id = self.object_id
# Save the version and copy the db state
version.save(last_save=last_save)
self.vid = version.vid
self._state = version._state
self.state = version.state
self.last_save = version.last_save
models.signals.post_save.send(sender=self.__class__,
instance=self,
raw=kwargs.get('raw'),
using=kwargs.get('using'))
def publish(self, user=None, when=None):
"""
Publishes a item and any sub items.
A new transaction will be started if
we aren't already in a transaction.
Should only be run on draft items
"""
assert self.state == self.DRAFT
user_published = 'code'
if user:
user_published = user.username
now = timezone.now()
with xact():
# If this item hasn't got live yet and no new date was specified
# delete the old scheduled items and schedule this one on that date
published = False
if getattr(self._meta, '_is_view', False):
published = self.is_published
else:
published = self.object.is_published
if not when and not published and self.last_scheduled:
klass = self.get_version_class()
for obj in klass.normal.filter(
object_id=self.object_id,
last_scheduled=self.last_scheduled,
state=self.SCHEDULED):
when = self.date_published
obj.delete()
when = when or now
# Drafts get preserved so save the
# time we last cloned this
if self.state == self.DRAFT:
self.last_scheduled = now
self.date_published = when
self.save(last_save=now)
self._clone()
self.user_published = user_published
self.state = self.SCHEDULED
self.save()
self.schedule(when=when)
def save(self, *args, **kwargs):
models.signals.pre_save.send(sender=self.__class__, instance=self,
raw=kwargs.get('raw'), using=kwargs.get('using'))
last_save = kwargs.pop('last_save', timezone.now())
with xact():
# Make sure we have a state
if not self.vid:
self.state = self.DRAFT
# Get a version instance
version = self._meta._version_model()
base = self._meta._base_model()
# Build out the version
for f in self._meta.local_fields:
try:
attname = f.name
version._meta.get_field(attname)
if isinstance(f, models.ForeignKey):
attname = "%s_id" % f.name
setattr(version, attname, getattr(self, attname))
# version doesn't have this field
except FieldDoesNotExist:
if self.should_save_base:
setattr(base, f.name, getattr(self, attname))
# Make sure we have a base
if not self.object_id or self.should_save_base:
base.is_published = self.is_published
base.pk = self.pk
base.save(*args, **kwargs)
self.pk = base.pk
# set base object
version.object = base
else:
version.object_id = self.object_id
# Save the version and copy the db state
version.save(last_save=last_save)
self.vid = version.vid
self._state = version._state
self.state = version.state
self.last_save = version.last_save
models.signals.post_save.send(sender=self.__class__, instance=self,
raw=kwargs.get('raw'), using=kwargs.get('using'))
def publish(self, user=None, when=None):
"""
Publishes a item and any sub items.
A new transaction will be started if
we aren't already in a transaction.
Should only be run on draft items
"""
assert self.state == self.DRAFT
user_published = 'code'
if user:
user_published = user.username
now = timezone.now()
with xact():
# If this item hasn't got live yet and no new date was specified
# delete the old scheduled items and schedule this one on that date
published = False
if getattr(self._meta, '_is_view', False):
published = self.is_published
else:
published = self.object.is_published
if not when and not published and self.last_scheduled:
klass = self.get_version_class()
for obj in klass.normal.filter(object_id=self.object_id,
last_scheduled=self.last_scheduled,
state=self.SCHEDULED):
when = self.date_published
obj.delete()
when = when or now
# Drafts get preserved so save the
# time we last cloned this
if self.state == self.DRAFT:
self.last_scheduled = now
self.date_published = when
self.save(last_save=now)
self._clone()
self.user_published = user_published
self.state = self.SCHEDULED
self.save()
self.schedule(when=when)
def save(self, *args, **kwargs):
"""
Saves this item.
Creates a default base if there isn't
one already.
"""
with xact():
if not self.vid:
self.state = self.DRAFT
if not self.object_id:
base = self._meta._base_model(is_published=False)
base.save(*args, **kwargs)
self.object = base
super(VersionModel, self).save(*args, **kwargs)
def save(self, *args, **kwargs):
"""
Saves this item.
Creates a default base if there isn't
one already.
"""
with xact():
if not self.vid:
self.state = self.DRAFT
if not self.object_id:
base = self._meta._base_model(is_published=False)
base.save(*args, **kwargs)
self.object = base
super(VersionModel, self).save(*args, **kwargs)
def unpublish(self):
"""
Unpublish this item.
This will set and currently published versions to
the archived state and delete all currently scheduled
versions.
"""
assert self.state == self.DRAFT
with xact():
self._publish(published=False)
# Delete all scheduled items
klass = self.get_version_class()
for obj in klass.normal.filter(object_id=self.object_id,
state=self.SCHEDULED):
obj.delete()
def unpublish(self):
"""
Unpublish this item.
This will set and currently published versions to
the archived state and delete all currently scheduled
versions.
"""
assert self.state == self.DRAFT
with xact():
self._publish(published=False)
# Delete all scheduled items
klass = self.get_version_class()
for obj in klass.normal.filter(object_id=self.object_id,
state=self.SCHEDULED):
obj.delete()
def _publish(self, published=True, **kwargs):
with xact():
filter_args = {
'state': self.PUBLISHED,
'object_id': self.object_id,
}
klass = self.get_version_class()
klass.normal.filter(**filter_args).update(
state=self.ARCHIVED)
now = timezone.now()
if published:
self.state = self.PUBLISHED
self.date_published = now
else:
self.last_scheduled = None
self.date_published = None
self.save()
# Update the base model as published and cache the scheduled
# date for comparisons.
self._meta._base_model.objects.filter(pk=self.object_id
).update(is_published=published,
v_last_save=self.last_scheduled)
self.is_published = published
self.v_last_save = self.last_scheduled
# Send published signal
klass = self.__class__
if hasattr(self._meta, '_view_model'):
klass = self.__class__
published_signal.send(sender=klass, instance=self)
def delete(self, **kwargs):
with xact():
# Delete's happen in public so that all
# versions are found.
with manager.SwitchSchema('public'):
super(VersionView, self).delete(**kwargs)
def delete(self, **kwargs):
with xact():
# Delete's happen in default schema so that all
# versions are found.
with manager.SwitchSchema('public'):
super(VersionView, self).delete(**kwargs)
def handle_pre_delete_signal(cls, sender, instance, **kwargs):
with xact():
klass = cls._meta._version_model
for obj in klass.normal.filter(object_id=instance.object_id):
obj._delete_reverses()
def handle_pre_delete_signal(cls, sender, instance, **kwargs):
with xact():
klass = cls._meta._version_model
for obj in klass.normal.filter(object_id=instance.object_id):
obj._delete_reverses()
