#!/usr/bin/python
# -*- coding: utf-8 -*-
"""CherryPy Status Transaction Metadata object class."""
from cherrypy import tools
from peewee import fn
from pacifica.metadata.rest.transaction_queries.query_base import QueryBase
from pacifica.metadata.orm import TransSIP
from pacifica.metadata.orm.base import db_connection_decorator
# pylint: disable=too-few-public-methods
[docs]class TransactionLast(QueryBase):
"""Retrieves details for an individual transaction."""
exposed = True
[docs] @staticmethod
def _get_last_known_transaction():
txn_id = (TransSIP
.select(fn.Max(TransSIP.id).alias('id'))
.where(TransSIP.deleted >> None)
.dicts()
.get())
return {'latest_transaction_id': txn_id['id']}
# Cherrypy requires these named methods.
# pylint: disable=invalid-name
@staticmethod
@tools.json_out()
@db_connection_decorator
def GET():
"""Return details about the specified transaction entity."""
return TransactionLast._get_last_known_transaction()