317 lines
7.4 KiB
Python
317 lines
7.4 KiB
Python
# -*- mode: python; coding: utf-8 -*-
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# Copyright (C) 2017-2021 by BDE ENS Paris-Saclay
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# SPDX-License-Identifier: GPL-3.0-or-later
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from django.conf import settings
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from django.core.validators import MinValueValidator
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from django.db import models
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from django.utils.translation import gettext_lazy as _
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from polymorphic.models import PolymorphicModel
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from .fields import ISBNField
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class Author(models.Model):
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name = models.CharField(
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max_length=255,
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unique=True,
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verbose_name=_('name'),
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)
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note = models.IntegerField(
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default=0,
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verbose_name=_("note"),
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)
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def __str__(self):
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return self.name
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class Meta:
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verbose_name = _("author")
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verbose_name_plural = _("authors")
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ordering = ['name']
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class Borrowable(PolymorphicModel):
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isbn = ISBNField(
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_('ISBN'),
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help_text=_('You may be able to scan it from a bar code.'),
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unique=True,
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blank=True,
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null=True,
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)
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title = models.CharField(
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max_length=255,
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verbose_name=_("title"),
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)
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present = models.BooleanField(
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verbose_name=_("present"),
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help_text=_("Tell that the medium is present in the Mediatek."),
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default=False,
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)
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def __str__(self):
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obj = self
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if obj.__class__ == Borrowable:
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# Get true object instance, useful for autocompletion
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obj = Borrowable.objects.get(pk=obj.pk)
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title = obj.title
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if hasattr(obj, 'subtitle'):
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subtitle = obj.subtitle
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if subtitle:
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title = f"{title} : {subtitle}"
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return title
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class Meta:
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verbose_name = _('borrowable')
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verbose_name_plural = _('borrowables')
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class Medium(Borrowable):
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external_url = models.URLField(
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verbose_name=_('external URL'),
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blank=True,
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)
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side_identifier = models.CharField(
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verbose_name=_('side identifier'),
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max_length=255,
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)
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authors = models.ManyToManyField(
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'Author',
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verbose_name=_('authors'),
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)
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class Meta:
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verbose_name = _("medium")
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verbose_name_plural = _("media")
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class Book(Medium):
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subtitle = models.CharField(
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verbose_name=_('subtitle'),
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max_length=255,
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blank=True,
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)
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number_of_pages = models.PositiveIntegerField(
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verbose_name=_('number of pages'),
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blank=True,
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null=True,
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)
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publish_date = models.DateField(
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verbose_name=_('publish date'),
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blank=True,
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null=True,
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)
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class Meta:
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verbose_name = _("book")
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verbose_name_plural = _("books")
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class Comic(Book):
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class Meta:
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verbose_name = _("comic")
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verbose_name_plural = _("comics")
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ordering = ['title', 'subtitle']
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class Manga(Book):
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class Meta:
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verbose_name = _("manga")
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verbose_name_plural = _("mangas")
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ordering = ['title', 'subtitle']
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class Novel(Book):
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class Meta:
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verbose_name = _("novel")
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verbose_name_plural = _("novels")
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ordering = ['title', 'subtitle']
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class Vinyl(Medium):
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rpm = models.PositiveIntegerField(
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verbose_name=_('rounds per minute'),
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choices=[
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(33, _('33 RPM')),
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(45, _('45 RPM')),
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],
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)
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class Meta:
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verbose_name = _("vinyl")
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verbose_name_plural = _("vinyls")
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ordering = ['title']
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class CD(Medium):
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class Meta:
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verbose_name = _("CD")
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verbose_name_plural = _("CDs")
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ordering = ['title']
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class Review(Borrowable):
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number = models.PositiveIntegerField(
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verbose_name=_('number'),
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)
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year = models.PositiveIntegerField(
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verbose_name=_('year'),
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null=True,
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blank=True,
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default=None,
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)
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month = models.PositiveIntegerField(
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verbose_name=_('month'),
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null=True,
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blank=True,
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default=None,
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)
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day = models.PositiveIntegerField(
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verbose_name=_('day'),
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null=True,
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blank=True,
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default=None,
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)
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double = models.BooleanField(
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verbose_name=_('double'),
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default=False,
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)
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def __str__(self):
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return self.title + " n°" + str(self.number)
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class Meta:
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verbose_name = _("review")
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verbose_name_plural = _("reviews")
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ordering = ['title', 'number']
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class FutureMedium(models.Model):
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isbn = ISBNField(
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_('ISBN'),
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help_text=_('You may be able to scan it from a bar code.'),
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unique=True,
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blank=True,
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null=True,
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)
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type = models.CharField(
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_('type'),
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choices=[
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('bd', _('Comic')),
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('manga', _('Manga')),
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('roman', _('Roman')),
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],
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max_length=8,
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)
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present = models.BooleanField(
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verbose_name=_("present"),
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help_text=_("Tell that the medium is present in the Mediatek."),
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default=False,
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)
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class Meta:
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verbose_name = _("future medium")
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verbose_name_plural = _("future media")
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def __str__(self):
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return "Future medium (ISBN: {isbn})".format(isbn=self.isbn, )
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class Borrow(models.Model):
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borrowable = models.ForeignKey(
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'media.Borrowable',
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on_delete=models.PROTECT,
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verbose_name=_('object'),
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)
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user = models.ForeignKey(
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settings.AUTH_USER_MODEL,
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on_delete=models.PROTECT,
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verbose_name=_("borrower"),
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)
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borrow_date = models.DateTimeField(
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verbose_name=_('borrowed on'),
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)
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given_back = models.DateTimeField(
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blank=True,
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null=True,
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verbose_name=_('given back on'),
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)
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borrowed_with = models.ForeignKey(
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settings.AUTH_USER_MODEL,
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on_delete=models.PROTECT,
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related_name='+',
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verbose_name=_('borrowed with'),
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help_text=_('The keyholder that registered this borrowed item.')
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)
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given_back_to = models.ForeignKey(
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settings.AUTH_USER_MODEL,
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on_delete=models.PROTECT,
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related_name='+',
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blank=True,
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null=True,
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verbose_name=_('given back to'),
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help_text=_('The keyholder to whom this item was given back.')
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)
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def __str__(self):
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return str(self.borrowable) + str(self.user)
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class Meta:
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verbose_name = _("borrowed item")
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verbose_name_plural = _("borrowed items")
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ordering = ['-borrow_date']
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class Game(Borrowable):
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DURATIONS = (
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('-1h', '-1h'),
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('1-2h', '1-2h'),
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('2-3h', '2-3h'),
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('3-4h', '3-4h'),
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('4h+', '4h+'),
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)
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owner = models.ForeignKey(
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'users.User',
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on_delete=models.PROTECT,
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verbose_name=_("owner"),
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)
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duration = models.CharField(
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choices=DURATIONS,
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max_length=255,
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verbose_name=_("duration"),
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)
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players_min = models.IntegerField(
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validators=[MinValueValidator(1)],
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verbose_name=_("minimum number of players"),
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)
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players_max = models.IntegerField(
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validators=[MinValueValidator(1)],
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verbose_name=_('maximum number of players'),
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)
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comment = models.CharField(
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max_length=255,
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blank=True,
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verbose_name=_('comment'),
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)
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def __str__(self):
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return str(self.title)
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class Meta:
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verbose_name = _("game")
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verbose_name_plural = _("games")
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ordering = ['title']
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