manuels-scolaires/manuels/models.py

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import os
import re
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import uuid as uuid
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from django.conf import settings
from django.core.exceptions import ValidationError
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from django.core.mail import EmailMultiAlternatives
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from django.db import models
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from django.template.loader import render_to_string
from django.urls import reverse
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class BaseModel(models.Model):
class Meta:
abstract = True
created_at = models.DateTimeField('créé le', auto_now_add=True)
updated_at = models.DateTimeField('mis à jour le', auto_now=True)
def phone_validator(value):
regex = re.compile(r'^\d{10}$')
if not regex.match(value):
raise ValidationError(
"%(value)s n'est pas un numéro de téléphone valide. Format attendu : 10 chiffres.",
params={'value': value}
)
class Teacher(BaseModel):
class Meta:
verbose_name = 'coordonnateur'
verbose_name_plural = 'coordonnateurs'
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uuid = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
first_name = models.CharField('prénom', max_length=100)
last_name = models.CharField('nom', max_length=100)
phone_number = models.CharField(
'numéro de téléphone',
help_text="En cas d'urgence, 10 chiffres.",
max_length=10,
validators=[phone_validator]
)
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email = models.EmailField(
'adresse email',
help_text='Utilisée pour vous transmettre votre lien personnel',
unique=True
)
def get_absolute_url(self):
from django.urls import reverse
return reverse('list_books', kwargs={'pk': str(self.pk)})
@property
def full_name(self):
return f'{self.first_name} {self.last_name}'
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def __str__(self):
return self.full_name
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def send_link(self, request):
dest = self.email
link = request.build_absolute_uri(reverse('list_books', args=[str(self.pk)]))
msg = EmailMultiAlternatives(
subject='Gestion des manuels scolaires',
body=f'Bonjour {self.first_name},\n'
f'Voici votre lien pour la gestion des manuels scolaires : {link}',
from_email=settings.SERVER_EMAIL,
to=[dest],
)
reply_to = [os.getenv('REPLY_TO')]
if reply_to:
msg.reply_to = reply_to
msg.attach_alternative(
render_to_string('manuels/email.html', {'link': link, 'teacher': self}), "text/html"
)
msg.send()
class Level(BaseModel):
class Meta:
verbose_name = 'classe'
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verbose_name_plural = 'classes'
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name = models.CharField('nom', max_length=50)
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def __str__(self):
return self.name
class Editor(BaseModel):
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class Meta:
verbose_name = 'éditeur'
verbose_name_plural = 'éditeurs'
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name = models.CharField('nom', max_length=100)
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def __str__(self):
return self.name
def isbn_validator(value):
regex = re.compile(r'(\d-?){10,13}X?')
if not regex.match(value):
raise ValidationError("%(value)s n'est pas un ISBN valide.", params={'value': value})
class Book(BaseModel):
class Meta:
verbose_name = 'livre'
verbose_name_plural = 'livres'
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teacher = models.ForeignKey(verbose_name='coordonnateur', to=Teacher, on_delete=models.PROTECT, null=True)
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level = models.ForeignKey(verbose_name='classe', to=Level, on_delete=models.PROTECT, null=True)
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field = models.CharField('discipline', max_length=200)
title = models.TextField('titre')
authors = models.TextField('auteurs')
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editor = models.ForeignKey(verbose_name='éditeur', to=Editor, on_delete=models.PROTECT, null=True)
publication_year = models.PositiveIntegerField('année de publication')
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isbn = models.CharField(
'ISBN/EAN',
max_length=20,
help_text="Format attendu : 10 ou 13 chiffres, éventuellement séparés par des tirets et éventuellement "
"suivis de la lettre <code>X</code>",
validators=[isbn_validator]
)
price = models.PositiveIntegerField('prix')
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YES_NO_CHOICE = (
(False, 'Non'),
(True, 'Oui'),
)
previously_acquired = models.BooleanField(
"manuel acquis précédemment par l'élève",
choices=YES_NO_CHOICE,
blank=False,
default=False,
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)
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done = models.BooleanField(
'Traité',
blank=True,
default=False
)
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comments = models.TextField(
'commentaires',
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blank=True,
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help_text="Ce message sera visible par la documentaliste. Vous pouvez l'utiliser par exemple si vous souhaitez "
"saisir un éditeur qui n'est pas proposé."
)
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@property
def previously_acquired_text(self):
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if self.previously_acquired:
return 'Oui'
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else:
return 'Non'
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def __str__(self):
return f'{self.title} ({self.authors}) - {self.isbn}'
def get_absolute_url(self):
from django.urls import reverse
return reverse('edit_book', kwargs={'teacher_pk': str(self.teacher.pk), 'pk': str(self.pk)})
class SuppliesRequirement(BaseModel):
class Meta:
verbose_name = 'demande de fournitures'
verbose_name_plural = 'demandes de fournitures'
teacher = models.ForeignKey(verbose_name='coordonnateur', to=Teacher, on_delete=models.PROTECT, null=True)
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level = models.ForeignKey(verbose_name='classe', to=Level, on_delete=models.PROTECT, null=True)
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fields = models.TextField('disciplines')
supplies = models.TextField('fournitures')
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done = models.BooleanField(
'Traité',
blank=True,
default=False
)
def __str__(self):
return f'{self.supplies} pour {self.level} ({self.teacher})'