def duplicate_presentation(presentation, owner=None, title_suffix=' - Copy'):
"""
Duplicates an existing presentation, optionally into a new user's account
"""
dup = presentation.duplicate()
if title_suffix:
dup.title = dup.title + title_suffix
dup.owner = owner or presentation.owner
dup.save()
# Duplicate presentation items
for item in presentation.items.all():
dupitem = item.duplicate()
dupitem.presentation = dup
dupitem.save()
# Duplicate access controls
sync_access(presentation, dup)
# Duplicate tags
wrapper = OwnedWrapper.objects.get_for_object(user=presentation.owner,
object=presentation)
tags = Tag.objects.get_for_object(wrapper).values_list('name', flat=True)
dup_wrapper = OwnedWrapper.objects.get_for_object(user=dup.owner,
object=dup)
Tag.objects.update_tags(dup_wrapper, '"%s"' % '","'.join(tags))
return dup
def get_storage(self):
storage, created = Storage.objects.get_or_create(
name=self.get_source_id(),
defaults=dict(title=self.get_label(),
system='local',
base=os.path.join(settings.AUTO_STORAGE_DIR,
self.get_source_id())))
if created:
sync_access(self.shared, storage)
return storage
def get_collection(self):
collection, created = Collection.objects.get_or_create(
name=self.get_source_id(),
defaults=dict(
title=self.get_label(),
hidden=True,
description='Local copies of shared collection images',
))
if created:
sync_access(self.shared, collection)
return collection
def get_collection(self):
collection, created = Collection.objects.get_or_create(
name=self.get_source_id(),
defaults=dict(
title=self.get_label(),
hidden=True,
description='Local copies of shared collection images',
)
)
if created:
sync_access(self.shared, collection)
return collection
def get_storage(self):
storage, created = Storage.objects.get_or_create(
name=self.get_source_id(),
defaults=dict(
title=self.get_label(),
system='local',
base=os.path.join(settings.AUTO_STORAGE_DIR,
self.get_source_id())
)
)
if created:
sync_access(self.shared, storage)
return storage
