def save_block(self, block):
"""
Save any pending field data values to Blockstore.
This gets called by block.save() - do not call this directly.
"""
if not self.system.authored_data_store.has_changes(block):
return # No changes, so no action needed.
definition_key = block.scope_ids.def_id
if definition_key.draft_name is None:
raise RuntimeError(
"The Blockstore runtime does not support saving changes to blockstore without a draft. "
"Are you making changes to UserScope.NONE fields from the LMS rather than Studio?"
)
olx_str, static_files = serialize_xblock(block)
# Write the OLX file to the bundle:
draft_uuid = blockstore_api.get_or_create_bundle_draft(
definition_key.bundle_uuid, definition_key.draft_name).uuid
olx_path = definition_key.olx_path
blockstore_api.write_draft_file(draft_uuid, olx_path, olx_str)
# And the other files, if any:
olx_static_path = os.path.dirname(olx_path) + '/static/'
for fh in static_files:
new_path = olx_static_path + fh.name
blockstore_api.write_draft_file(draft_uuid, new_path, fh.data)
# Now invalidate the blockstore data cache for the bundle:
BundleCache(definition_key.bundle_uuid,
draft_name=definition_key.draft_name).clear()
def save_block(self, block):
"""
Save any pending field data values to Blockstore.
This gets called by block.save() - do not call this directly.
"""
if not self.system.authored_data_store.has_changes(block):
return # No changes, so no action needed.
definition_key = block.scope_ids.def_id
if definition_key.draft_name is None:
raise RuntimeError(
"The Blockstore runtime does not support saving changes to blockstore without a draft. "
"Are you making changes to UserScope.NONE fields from the LMS rather than Studio?"
)
# Verify that the user has permission to write to authored data in this
# learning context:
if self.user is not None:
learning_context = get_learning_context_impl(block.scope_ids.usage_id)
if not learning_context.can_edit_block(self.user, block.scope_ids.usage_id):
log.warning("User %s does not have permission to edit %s", self.user.username, block.scope_ids.usage_id)
raise RuntimeError("You do not have permission to edit this XBlock")
olx_str, static_files = serialize_xblock(block)
# Write the OLX file to the bundle:
draft_uuid = blockstore_api.get_or_create_bundle_draft(
definition_key.bundle_uuid, definition_key.draft_name
).uuid
olx_path = definition_key.olx_path
blockstore_api.write_draft_file(draft_uuid, olx_path, olx_str)
# And the other files, if any:
olx_static_path = os.path.dirname(olx_path) + '/static/'
for fh in static_files:
new_path = olx_static_path + fh.name
blockstore_api.write_draft_file(draft_uuid, new_path, fh.data)
# Now invalidate the blockstore data cache for the bundle:
BundleCache(definition_key.bundle_uuid, draft_name=definition_key.draft_name).clear()