simple-model-logging 1.1.3

based Django 2.x to logging model instances update

## Installation

`pip install simple-model-logging`

Add `simple-model-logging` to your `INSTALLED_APPS`.

## Usage

#### Low-level use

from datetime import datetime

from django.db import models

from .simple_model_logging import SystemUserLogMixin


class AbstractModel(models.Model):
"""
base model
"""
STATUS_TYPE = (
('1', 'NORMAL'),
('2', 'DELETE'),
('3', 'DISABLE')
)
create_time = models.DateTimeField('create_time', default=datetime.now)
update_time = models.DateTimeField('update_time', default=datetime.now)
update_time = models.DateTimeField('update_time', default=None, null=True, blank=True)
data_status = models.CharField('data_status', max_length=1, choices=STATUS_TYPE, default='1')

def delete(self, using=None, keep_parents=False):
# logging delete
SystemUserLogMixin.log_delete(self)

# override delete method
self.delete_time = datetime.now()
self.data_status = '2'
self.save()

def save(self, *args, **kw):
log = SystemUserLogMixin()
is_insert = False
if self.id:
# update
print('update model')
# logging update
log.log_update(model=self)
else:
# insert
# set insert signal
is_insert = True
print('insert model')

super(AbstractModel, self).save(*args, **kw)
if is_insert:
# logging insert
# this code can get the record id
log.log_create(model=self)

def create(self, *args, **kw):
log = SystemUserLogMixin()
super(AbstractModel, self).create(*args, **kw)
log.log_create(model=self)

class Meta:
abstract = True


class Person(AbstractModel):
"""
bussiness model extends from AbstractModel.
when invoke the model's save(),create(),delete() method will do logging
"""
pass