def get_story_from_model(story_model):
"""Returns a story domain object given a story model loaded
from the datastore.
Args:
story_model: StoryModel. The story model loaded from the
datastore.
Returns:
story. A Story domain object corresponding to the given
story model.
"""
# Ensure the original story model does not get altered.
versioned_story_contents = {
'schema_version': story_model.story_contents_schema_version,
'story_contents': copy.deepcopy(story_model.story_contents)
}
# Migrate the story contents if it is not using the latest schema version.
if (story_model.story_contents_schema_version !=
feconf.CURRENT_STORY_CONTENTS_SCHEMA_VERSION):
_migrate_story_contents_to_latest_schema(
versioned_story_contents)
return story_domain.Story(
story_model.id, story_model.title,
story_model.description, story_model.notes,
story_domain.StoryContents.from_dict(
versioned_story_contents['story_contents']),
versioned_story_contents['schema_version'],
story_model.language_code, story_model.corresponding_topic_id,
story_model.version, story_model.created_on,
story_model.last_updated)
def get_story_from_model(story_model, run_conversion=True):
"""Returns a story domain object given a story model loaded
from the datastore.
Args:
story_model: StoryModel. The story model loaded from the
datastore.
run_conversion: bool. If true, the the story's schema version will
be checked against the current schema version. If they do not match,
the story will be automatically updated to the latest schema
version.
Returns:
story. A Story domain object corresponding to the given
story model.
"""
# Ensure the original story model does not get altered.
versioned_story_contents = {
'schema_version': story_model.schema_version,
'story_contents': copy.deepcopy(story_model.story_contents)
}
# Migrate the story if it is not using the latest schema version.
if (run_conversion and story_model.schema_version !=
feconf.CURRENT_STORY_CONTENTS_SCHEMA_VERSION):
_migrate_story_contents_to_latest_schema(versioned_story_contents)
return story_domain.Story(
story_model.id, story_model.title, story_model.description,
story_model.notes,
story_domain.StoryContents.from_dict(
versioned_story_contents['story_contents']),
versioned_story_contents['schema_version'], story_model.language_code,
story_model.version, story_model.created_on, story_model.last_updated)
