90 lines
2.3 KiB
Python
90 lines
2.3 KiB
Python
# -*- coding: utf-8 -*-
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import datetime
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from django.utils.translation import gettext_lazy as _
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from mongoengine.document import Document
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from mongoengine.fields import DateTimeField, IntField, StringField
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from mongoengine.queryset import QuerySetManager
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from django_extensions.mongodb.fields import AutoSlugField, CreationDateTimeField, ModificationDateTimeField
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class TimeStampedModel(Document):
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"""
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TimeStampedModel
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An abstract base class model that provides self-managed "created" and
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"modified" fields.
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"""
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created = CreationDateTimeField()
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modified = ModificationDateTimeField()
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class Meta:
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abstract = True
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class TitleSlugDescriptionModel(Document):
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"""
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TitleSlugDescriptionModel
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An abstract base class model that provides title and description fields
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and a self-managed "slug" field that populates from the title.
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"""
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title = StringField(max_length=255)
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slug = AutoSlugField(populate_from='title')
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description = StringField(blank=True, null=True)
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class Meta:
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abstract = True
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class ActivatorModelManager(QuerySetManager):
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"""
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ActivatorModelManager
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Manager to return instances of ActivatorModel: SomeModel.objects.active() / .inactive()
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"""
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def active(self):
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"""
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Return active instances of ActivatorModel:
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SomeModel.objects.active()
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"""
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return super().get_queryset().filter(status=1)
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def inactive(self):
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"""
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Return inactive instances of ActivatorModel:
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SomeModel.objects.inactive()
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"""
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return super().get_queryset().filter(status=0)
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class ActivatorModel(Document):
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"""
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ActivatorModel
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An abstract base class model that provides activate and deactivate fields.
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"""
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STATUS_CHOICES = (
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(0, _('Inactive')),
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(1, _('Active')),
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)
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status = IntField(choices=STATUS_CHOICES, default=1)
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activate_date = DateTimeField(blank=True, null=True, help_text=_('keep empty for an immediate activation'))
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deactivate_date = DateTimeField(blank=True, null=True, help_text=_('keep empty for indefinite activation'))
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objects = ActivatorModelManager()
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class Meta:
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abstract = True
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def save(self, *args, **kwargs):
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if not self.activate_date:
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self.activate_date = datetime.datetime.now()
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super().save(*args, **kwargs)
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