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