Files
mayan-edms/apps/app_registry/models.py
2012-08-18 10:22:46 -04:00

120 lines
3.7 KiB
Python

from __future__ import absolute_import
import datetime
import logging
from django.db import models
from django.db import DatabaseError, transaction
from django.utils.translation import ugettext_lazy as _
from django.utils.translation import ugettext
from django.contrib.contenttypes.models import ContentType
from django.contrib.contenttypes import generic
from common.models import TranslatableLabelMixin, LiveObjectMixin
from .classes import AppBackup, StorageModuleBase
logger = logging.getLogger(__name__)
class App(TranslatableLabelMixin, LiveObjectMixin, models.Model):
translatables = ['label', 'description']
class UnableToRegister(Exception):
pass
name = models.CharField(max_length=64, verbose_name=_(u'name'), unique=True)
icon = models.CharField(max_length=64, verbose_name=_(u'icon'), blank=True)
dependencies = models.ManyToManyField('self', verbose_name=_(u'dependencies'), symmetrical=False, blank=True, null=True)
#version
#top_urls
#namespace
@classmethod
@transaction.commit_on_success
def register(cls, name, label, icon=None, description=None):
try:
app, created = App.objects.get_or_create(name=name)
except DatabaseError:
transaction.rollback()
raise UnableToRegister
else:
app.label = label
if icon:
app.icon = icon
if description:
app.description = description
app.dependencies.clear()
app.save()
return app
def set_dependencies(self, app_names):
for app_name in app_names:
app = App.objects.get(name=app_name)
self.dependencies.add(app)
def set_backup(self, *args, **kwargs):
return AppBackup(self, *args, **kwargs)
def __unicode__(self):
return unicode(self.label)
class Meta:
ordering = ('name', )
verbose_name = _(u'app')
verbose_name_plural = _(u'apps')
class BackupJob(models.Model):
name = models.CharField(max_length=64, verbose_name=_(u'name'))
enabled = models.BooleanField(default=True, verbose_name=_(u'enabled'))
apps = models.ManyToManyField(App)
begin_datetime = models.DateTimeField(verbose_name=_(u'begin date and time'), default=lambda: datetime.datetime.now())
# * repetition =
# day - 1 days
# weekly - days of week checkbox
# month - day of month, day of week
# * repetition option field
# * ends
# - never
# - After # ocurrences
# - On date
# * end option field
# * type
# - Full
# - Incremental
storage_module_name = models.CharField(max_length=32, choices=StorageModuleBase.get_as_choices(), verbose_name=_(u'storage module'))
storage_arguments_json = models.TextField(verbose_name=_(u'storage module arguments (in JSON)'), blank=True)
def __unicode__(self):
return self.name
@property
def storage_module(self):
return StorageModuleBase.get(self.storage_module_name)
def backup(self, dry_run=False):
logger.debug('starting: %s', self)
logger.debug('dry_run: %s' % dry_run)
storage_module = self.storage_module
#TODO: loads
for app in self.apps.all():
app_backup = AppBackup.get(app)
app_backup.backup(storage_module(backup_path='/tmp'), dry_run=dry_run)
def save(self, *args, **kwargs):
#dump
super(BackupJob, self).save(*args, **kwargs)
@models.permalink
def get_absolute_url(self):
return ('checkout_info', [self.document.pk])
class Meta:
verbose_name = _(u'document checkout')
verbose_name_plural = _(u'document checkouts')
#class BackupJobLog