craftbeerpi4-pione/cbpi/controller/crud_controller.py
2019-01-28 22:21:31 +01:00

171 lines
No EOL
3.6 KiB
Python

import pprint
from abc import ABCMeta
from cbpi.api import *
class CRUDController(metaclass=ABCMeta):
cache = {}
caching = True
name = None
def __init__(self, cbpi):
self.cbpi = cbpi
self.cache = {}
async def init(self):
'''
:return:
'''
if self.caching is True:
self.cache = await self.model.get_all()
async def get_all(self, force_db_update=False):
'''
:param force_db_update:
:return:
'''
if self.caching is False or force_db_update:
self.cache = await self.model.get_all()
return self.cache
async def get_one(self, id):
'''
:param id:
:return:
'''
if id not in self.cache:
raise CBPiException("%s with id %s not found" % (self.name,id))
return self.cache.get(id)
async def _pre_add_callback(self, data):
'''
:param data:
:return:
'''
pass
async def _post_add_callback(self, m):
'''
:param m:
:return:
'''
pass
async def add(self, **data):
'''
:param data:
:return:
'''
await self._pre_add_callback(data)
print("INSSERT ADD", data)
m = await self.model.insert(**data)
self.cache[m.id] = m
await self._post_add_callback(m)
await self.cbpi.bus.fire(topic="actor/%s/added" % m.id, actor=m)
return m
async def _pre_update_callback(self, m):
pass
async def _post_update_callback(self, m):
pass
async def update(self, id, data):
'''
:param id:
:param data:
:return:
'''
self.logger.debug("Update Sensor %s - %s " % (id, data))
id = int(id)
if id not in self.cache:
self.logger.debug("Sensor %s Not in Cache" % (id,))
raise CBPiException("%s with id %s not found" % (self.name,id))
data["id"] = id
try:
### DELETE INSTANCE BEFORE UPDATE
del data["instance"]
except Exception as e:
pass
if self.caching is True:
await self._pre_update_callback(self.cache[id])
self.cache[id].__dict__.update(**data)
m = self.cache[id] = await self.model.update(**self.cache[id].__dict__)
await self._post_update_callback(self.cache[id])
else:
m = await self.model.update(**data)
return m
async def _pre_delete_callback(self, m):
'''
:param m:
:return:
'''
pass
async def _post_delete_callback(self, id):
'''
:param id:
:return:
'''
pass
async def delete(self, id):
'''
:param id:
:return:
'''
if id not in self.cache:
raise CBPiException("%s with id %s not found" % (self.name,id))
await self._pre_delete_callback(id)
m = await self.model.delete(id)
await self._post_delete_callback(id)
try:
if self.caching is True:
del self.cache[int(id)]
except Exception as e:
pass
await self.cbpi.bus.fire(topic="actor/%s/deleted" % id, id=id)
async def delete_all(self):
'''
:return:
'''
self.model.delete_all()
if self.caching is True:
self.cache = {}
#self.cbpi.push_ws("DELETE_ALL_%s" % self.key, None)