def get_lineage(request):
response = {'status': -1, 'inputs': [], 'source_query': '', 'target_queries': [], 'targets': []}
api = NavigatorApi()
entity_id = request.REQUEST.get('id')
if not entity_id:
raise MetadataApiException("get_lineage requires an 'id' parameter")
lineage = api.get_lineage(entity_id)
entity_name = api.get_entity(entity_id)['originalName'].upper()
response['id'] = entity_id
# TODO: This is a cheat way to do to this for demo using filtering but we should really traverse relationships
parent_operation = next((entity for entity in lineage['entities'] if entity.get('outputs', []) == [entity_name]), None)
if parent_operation:
response['inputs'] = [input.lower() for input in parent_operation['inputs']]
response['source_query'] = parent_operation.get('queryText', '')
children = [entity for entity in lineage['entities'] if entity.get('inputs') is not None and entity_name in entity.get('inputs')]
if children is not None:
response['target_queries'] = [child['queryText'] for child in children if child.get('queryText') is not None]
outputs = [child['outputs'] for child in children if child.get('outputs') is not None]
response['targets'] = [target.lower() for output in outputs for target in output]
response['status'] = 0
return JsonResponse(response)
def get_lineage(request):
response = {'status': -1, 'inputs': [], 'source_query': '', 'target_queries': [], 'targets': []}
api = NavigatorApi()
entity_id = request.REQUEST.get('id')
if not entity_id:
raise MetadataApiException("get_lineage requires an 'id' parameter")
lineage = api.get_lineage(entity_id)
entity_name = api.get_entity(entity_id)['originalName'].upper()
response['id'] = entity_id
# TODO: This is a cheat way to do to this for demo using filtering but we should really traverse relationships
parent_operation = next((entity for entity in lineage['entities'] if entity.get('outputs', []) == [entity_name]), None)
if parent_operation:
response['inputs'] = [input.lower() for input in parent_operation['inputs']]
response['source_query'] = parent_operation.get('queryText', '')
children = [entity for entity in lineage['entities'] if entity.get('inputs') is not None and entity_name in entity.get('inputs')]
if children is not None:
response['target_queries'] = [child['queryText'] for child in children if child.get('queryText') is not None]
outputs = [child['outputs'] for child in children if child.get('outputs') is not None]
response['targets'] = [target.lower() for output in outputs for target in output]
response['status'] = 0
return JsonResponse(response)
def get_entity(request):
response = {'status': -1}
api = NavigatorApi(request.user)
entity_id = request.REQUEST.get('id')
if not entity_id:
raise MetadataApiException("get_entity requires an 'id' parameter")
entity = api.get_entity(entity_id)
response['entity'] = entity
response['status'] = 0
return JsonResponse(response)
def get_entity(request):
response = {'status': -1}
api = NavigatorApi()
entity_id = request.REQUEST.get('id')
if not entity_id:
raise MetadataApiException("get_entity requires an 'id' parameter")
entity = api.get_entity(entity_id)
response['entity'] = entity
response['status'] = 0
return JsonResponse(response)
