def get_type_entities(self, type_id, user_permissions, scope):
"""
Iterate over entities from collection matching the supplied type.
'scope' is used to determine the extend of data top be included in the listing:
a value of 'all' means that site-wide entyioties are icnluded in the listing.
Otherwise only collection entities are included.
"""
entitytypeinfo = EntityTypeInfo(self._site, self._coll, type_id)
include_sitedata = (scope == "all")
for e in entitytypeinfo.enum_entities(user_permissions,
usealtparent=include_sitedata):
yield e
return
def check_delete_type_values(self,
listinfo,
entity_id,
entity_type,
msg,
continuation_url=None):
"""
Checks for attempt to delete type with existing values
Returns redirect URI to display error, or None if no error
"""
if entity_type == "_type":
typeinfo = EntityTypeInfo(listinfo.site, listinfo.collection,
entity_id)
if next(typeinfo.enum_entities(), None) is not None:
return (
# Type has valu7es: redisplay form with error message
uri_with_params(listinfo.view.get_request_path(),
listinfo.view.error_params(msg),
continuation_url))
return None
def rename_entity_type(self, viewinfo, old_typeinfo, old_type_id,
new_typeinfo, new_type_id, type_data):
"""
Save a renamed type entity.
This involves renaming all of the instances of the type to
the new type (with new type id and in new location).
Returns None if the operation succeeds, or error message
details to be displayed as a pair of values for the message
heading and the message body.
"""
# NOTE: old RecordData instance is not removed.
# Don't allow type-rename to or from a type value
if old_typeinfo.type_id != new_typeinfo.type_id:
log.warning(
"EntityEdit.rename_entity_type: attempt to change type of type record"
)
return (message.INVALID_OPERATION_ATTEMPTED,
message.INVALID_TYPE_CHANGE)
# Don't allow renaming built-in type
builtin_types = get_built_in_type_ids()
if (new_type_id in builtin_types) or (old_type_id in builtin_types):
log.warning(
"EntityEdit.rename_entity_type: attempt to rename or define a built-in type"
)
return (message.INVALID_OPERATION_ATTEMPTED,
message.INVALID_TYPE_RENAME)
# Create new type record
new_typeinfo.create_entity(new_type_id, type_data)
# Update instances of type
src_typeinfo = EntityTypeInfo(viewinfo.site, viewinfo.collection,
old_type_id)
dst_typeinfo = EntityTypeInfo(viewinfo.site,
viewinfo.collection,
new_type_id,
create_typedata=True)
if new_typeinfo.entity_exists(new_type_id):
# Enumerate type instance records and move to new type
remove_OK = True
for d in src_typeinfo.enum_entities():
data_id = d.get_id()
data_vals = d.get_values()
data_vals[ANNAL.CURIE.type_id] = new_type_id
data_vals[
ANNAL.CURIE.type] = dst_typeinfo.entityclass._entitytype
if self.rename_entity(src_typeinfo, data_id, dst_typeinfo,
data_id, data_vals):
remove_OK = False
# Finally, remove old type record:
if remove_OK: # Precautionary
new_typeinfo.remove_entity(old_type_id)
RecordTypeData.remove(new_typeinfo.entitycoll, old_type_id)
else:
log.warning("Failed to rename type %s to type %s" %
(old_type_id, new_type_id))
return (message.SYSTEM_ERROR,
message.RENAME_TYPE_FAILED % (old_type_id, new_type_id))
return None