67 lines
1.7 KiB
Python
67 lines
1.7 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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'''
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(Data)models which describe the structure of data to be saved into
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database.
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'''
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import uuid
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from django.db import models
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from django.contrib.auth.models import User
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from django.db.models.signals import post_save
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from django.dispatch import receiver
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from lostplaces.models.abstract_models import Expireable
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from lostplaces.models.place import Place
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class Explorer(models.Model):
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"""
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Profile that is linked to the a User.
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Every user has a profile.
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"""
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user = models.OneToOneField(
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User,
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on_delete=models.CASCADE,
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related_name='explorer'
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)
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favorite_places = models.ManyToManyField(
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Place,
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related_name='favorite_places',
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verbose_name='Explorers favorite places'
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)
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def __str__(self):
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return self.user.username
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@receiver(post_save, sender=User)
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def create_user_profile(sender, instance, created, **kwargs):
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if created:
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Explorer.objects.create(user=instance)
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@receiver(post_save, sender=User)
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def save_user_profile(sender, instance, **kwargs):
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instance.explorer.save()
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class Voucher(Expireable):
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"""
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Vouchers are authorization to created_when = models.DateTimeField(auto_now_add=True)
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expires_when = models.DateTimeField()kens to allow the registration of new users.
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A voucher has a code, a creation and a deletion date, which are all
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positional. Creation date is being set automatically during voucher
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creation.
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"""
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code = models.CharField(unique=True, max_length=30)
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@property
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def valid(self):
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return not self.is_expired
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def __str__(self):
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return "Voucher " + str(self.code)
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