med/media/models.py

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# -*- mode: python; coding: utf-8 -*-
# Copyright (C) 2017-2019 by BDE ENS Paris-Saclay
# SPDX-License-Identifier: GPL-3.0-or-later
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from django.core.validators import MinValueValidator
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from django.db import models
from django.utils.translation import gettext_lazy as _
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from .fields import ISBNField
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class Auteur(models.Model):
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name = models.CharField(
max_length=255,
unique=True,
verbose_name=_('name'),
)
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def __str__(self):
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return self.name
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class Meta:
verbose_name = _("author")
verbose_name_plural = _("authors")
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ordering = ['name']
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class Media(models.Model):
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isbn = ISBNField(
_('ISBN'),
help_text=_('You may be able to scan it from a bar code.'),
blank=True,
null=True,
)
title = models.CharField(
verbose_name=_('title'),
max_length=255,
)
subtitle = models.CharField(
verbose_name=_('subtitle'),
max_length=255,
blank=True,
null=True,
)
external_url = models.URLField(
verbose_name=_('external URL'),
blank=True,
null=True,
)
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side_identifier = models.CharField(
verbose_name=_('side identifier'),
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max_length=255,
)
authors = models.ManyToManyField(
'Auteur',
verbose_name=_('authors'),
)
number_of_pages = models.PositiveIntegerField(
verbose_name=_('number of pages'),
blank=True,
null=True,
)
publish_date = models.DateField(
verbose_name=_('publish date'),
blank=True,
null=True,
)
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def __str__(self):
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if self.subtitle:
return "{} : {}".format(self.title, self.subtitle)
else:
return self.title
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class Meta:
verbose_name = _("medium")
verbose_name_plural = _("media")
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ordering = ['title', 'subtitle']
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class Emprunt(models.Model):
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media = models.ForeignKey(
'Media',
on_delete=models.PROTECT,
)
user = models.ForeignKey(
'users.User',
on_delete=models.PROTECT,
verbose_name=_("borrower"),
)
date_emprunt = models.DateTimeField(
verbose_name=_('borrowed on'),
)
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date_rendu = models.DateTimeField(
blank=True,
null=True,
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verbose_name=_('given back on'),
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)
permanencier_emprunt = models.ForeignKey(
'users.User',
on_delete=models.PROTECT,
related_name='user_permanencier_emprunt',
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verbose_name=_('borrowed with'),
help_text=_('The keyholder that registered this borrowed item.')
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)
permanencier_rendu = models.ForeignKey(
'users.User',
on_delete=models.PROTECT,
related_name='user_permanencier_rendu',
blank=True,
null=True,
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verbose_name=_('given back to'),
help_text=_('The keyholder to whom this item was given back.')
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)
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def __str__(self):
return str(self.media) + str(self.user)
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class Meta:
verbose_name = _("borrowed item")
verbose_name_plural = _("borrowed items")
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ordering = ['-date_emprunt']
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class Jeu(models.Model):
DUREE = (
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('-1h', '-1h'),
('1-2h', '1-2h'),
('2-3h', '2-3h'),
('3-4h', '3-4h'),
('4h+', '4h+'),
)
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name = models.CharField(
max_length=255,
verbose_name=_("name"),
)
proprietaire = models.ForeignKey(
'users.User',
on_delete=models.PROTECT,
verbose_name=_("owner"),
)
duree = models.CharField(
choices=DUREE,
max_length=255,
verbose_name=_("duration"),
)
nombre_joueurs_min = models.IntegerField(
validators=[MinValueValidator(1)],
verbose_name=_("minimum number of players"),
)
nombre_joueurs_max = models.IntegerField(
validators=[MinValueValidator(1)],
verbose_name=_('maximum number of players'),
)
comment = models.CharField(
max_length=255,
blank=True,
null=True,
verbose_name=_('comment'),
)
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def __str__(self):
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return str(self.name)
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class Meta:
verbose_name = _("game")
verbose_name_plural = _("games")
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ordering = ['name']