84 lines
2.7 KiB
Python
84 lines
2.7 KiB
Python
from django.db import models
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from django.db.models.signals import pre_save, pre_delete
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from django.dispatch import receiver
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from django.utils.functional import cached_property
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from django.utils.translation import ugettext_lazy as _
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from jsonfield import JSONField
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from orchestra.core import services, validators
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from .fields import VirtualDatabaseRelation
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from .services import SoftwareService
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class SaaS(models.Model):
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service = models.CharField(_("service"), max_length=32,
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choices=SoftwareService.get_choices())
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name = models.CharField(_("Name"), max_length=64,
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help_text=_("Required. 64 characters or fewer. Letters, digits and ./-/_ only."),
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validators=[validators.validate_username])
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account = models.ForeignKey('accounts.Account', verbose_name=_("account"),
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related_name='saas')
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is_active = models.BooleanField(_("active"), default=True,
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help_text=_("Designates whether this service should be treated as active. "))
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data = JSONField(_("data"), default={},
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help_text=_("Extra information dependent of each service."))
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database = models.ForeignKey('databases.Database', null=True, blank=True)
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# Some SaaS sites may need a database, with this virtual field we tell the ORM to delete them
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databases = VirtualDatabaseRelation('databases.Database')
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class Meta:
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verbose_name = "SaaS"
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verbose_name_plural = "SaaS"
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unique_together = (
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('name', 'service'),
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)
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def __str__(self):
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return "%s@%s" % (self.name, self.service)
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@cached_property
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def service_class(self):
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return SoftwareService.get(self.service)
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@cached_property
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def service_instance(self):
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""" Per request lived service_instance """
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return self.service_class(self)
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@cached_property
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def active(self):
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return self.is_active and self.account.is_active
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def clean(self):
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if not self.pk:
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self.name = self.name.lower()
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self.data = self.service_instance.clean_data()
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def get_site_domain(self):
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return self.service_instance.get_site_domain()
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def set_password(self, password):
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self.password = password
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services.register(SaaS)
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# Admin bulk deletion doesn't call model.delete()
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# So, signals are used instead of model method overriding
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@receiver(pre_save, sender=SaaS, dispatch_uid='saas.service.save')
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def type_save(sender, *args, **kwargs):
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instance = kwargs['instance']
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instance.service_instance.save()
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@receiver(pre_delete, sender=SaaS, dispatch_uid='saas.service.delete')
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def type_delete(sender, *args, **kwargs):
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instance = kwargs['instance']
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try:
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instance.service_instance.delete()
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except KeyError:
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pass
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