def get_record(record_id, index=None):
""" Fetch a given record from ES.
:param record_id: [int] ES record id
:param index: [string] name of the index. If None a default is used
:return: [dict] Fetched record
"""
try:
search = RecordsSearch(using=es, index=index).source(includes="*")
result = search.get_record(record_id).execute()
if result.hits.total.value > 0:
return result.hits[0].to_dict()
else:
return None
except TransportError:
return None
