97 lines
3 KiB
Python
97 lines
3 KiB
Python
import re
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import uuid as uuid
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from django.core.exceptions import ValidationError
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from django.db import models
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class BaseModel(models.Model):
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class Meta:
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abstract = True
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created_at = models.DateTimeField('créé le', auto_now_add=True)
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updated_at = models.DateTimeField('mis à jour le', auto_now=True)
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class Teacher(BaseModel):
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class Meta:
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verbose_name = 'enseignant'
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verbose_name_plural = 'enseignants'
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uuid = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
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first_name = models.CharField('prénom', max_length=100)
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last_name = models.CharField('nom', max_length=100)
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phone_number = models.CharField('numéro de téléphone', help_text="En cas d'urgence", max_length=10)
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email = models.EmailField(
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'adresse email',
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help_text='Utilisée pour vous transmettre votre lien personnel',
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unique=True
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)
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def get_absolute_url(self):
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from django.urls import reverse
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return reverse('list_books', kwargs={'pk': str(self.pk)})
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@property
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def full_name(self):
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return f'{self.first_name} {self.last_name}'
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def __str__(self):
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return self.full_name
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class Level(BaseModel):
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class Meta:
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verbose_name = 'classe'
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verbose_name_plural = 'classes'
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name = models.CharField('nom', max_length=10)
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def __str__(self):
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return self.name
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class Editor(BaseModel):
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class Meta:
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verbose_name = 'éditeur'
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verbose_name_plural = 'éditeurs'
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name = models.CharField('nom', max_length=50)
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def __str__(self):
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return self.name
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def isbn_validator(value):
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regex = re.compile(r'(\d-?){10,13}X?')
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if not regex.match(value):
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raise ValidationError("%(value)s n'est pas un ISBN valide.", params={'value': value})
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class Book(BaseModel):
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class Meta:
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verbose_name = 'livre'
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verbose_name_plural = 'livres'
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teacher = models.ForeignKey(verbose_name='enseignant', to=Teacher, on_delete=models.SET_NULL, null=True)
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level = models.ForeignKey(verbose_name='classe', to=Level, on_delete=models.SET_NULL, null=True)
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field = models.CharField('matière', max_length=100)
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title = models.TextField('titre')
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authors = models.TextField('auteurs')
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editor = models.ForeignKey(verbose_name='éditeur', to=Editor, on_delete=models.SET_NULL, null=True)
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collection = models.CharField('collection', max_length=200, blank=True)
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publication_year = models.PositiveIntegerField('année de publication')
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isbn = models.CharField('ISBN/EAN', max_length=20, validators=[isbn_validator])
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price = models.PositiveIntegerField('prix')
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YES_NO_CHOICE = (
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(True, 'Oui'),
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(False, 'Non'),
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)
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previously_acquired = models.BooleanField("manuel acquis précédemment par l'élève", choices=YES_NO_CHOICE, blank=False)
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@property
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def previously_acquired_emoji(self):
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if self.previously_acquired:
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return '✅'
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else:
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return '🚫'
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def __str__(self):
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return f'{self.title} ({self.authors}) - {self.isbn}'
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