mirror of
https://github.com/nanoy42/coope
synced 2024-08-19 00:13:39 +00:00
458 lines
15 KiB
Python
458 lines
15 KiB
Python
from django.db import models
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from django.contrib.auth.models import User
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from simple_history.models import HistoricalRecords
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from django.core.validators import MinValueValidator
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from preferences.models import PaymentMethod
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from django.core.exceptions import ValidationError
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class Category(models.Model):
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"""
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A product category
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"""
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class Meta:
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verbose_name="Catégorie"
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name = models.CharField(max_length=100, verbose_name="Nom", unique=True)
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order = models.IntegerField(default=0)
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"""
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The name of the category
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"""
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def __str__(self):
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return self.name
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@property
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def active_products(self):
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"""
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Return active producs of this category
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"""
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return self.product_set.filter(is_active=True)
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@property
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def active_stock_products(self):
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"""
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Return active products that use stocks
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"""
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return self.product_set.filter(is_active=True).filter(use_stocks=True)
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class Product(models.Model):
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"""
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Stores a product.
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"""
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DRAFT_NONE = 0
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DRAFT_PINTE = 1
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DRAFT_DEMI = 2
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DRAFT_GALOPIN = 3
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DRAFT_TYPES = (
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(DRAFT_NONE, "Pas une bière pression"),
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(DRAFT_PINTE, "Pinte"),
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(DRAFT_DEMI, "Demi"),
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(DRAFT_GALOPIN, "Galopin"),
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)
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class Meta:
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verbose_name = "Produit"
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name = models.CharField(max_length=255, verbose_name="Nom", unique=True)
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"""
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The name of the product.
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"""
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amount = models.DecimalField(max_digits=5, decimal_places=2, verbose_name="Prix de vente", validators=[MinValueValidator(0)])
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"""
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The price of the product.
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"""
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stock = models.IntegerField(default=0, verbose_name="Stock")
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"""
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Number of product
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"""
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category = models.ForeignKey('Category', on_delete=models.PROTECT, verbose_name="Catégorie")
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"""
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The category of the product
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"""
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needQuantityButton = models.BooleanField(default=False, verbose_name="Bouton quantité")
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"""
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If True, a javascript quantity button will be displayed
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"""
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is_active = models.BooleanField(default=True, verbose_name="Actif")
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"""
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If True, will be displayed on the :func:`gestion.views.manage` view.
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"""
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volume = models.PositiveIntegerField(default=0)
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"""
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The volume, if relevant, of the product
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"""
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deg = models.DecimalField(default=0,max_digits=5, decimal_places=2, verbose_name="Degré", validators=[MinValueValidator(0)])
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"""
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Degree of alcohol, if relevant
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"""
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adherentRequired = models.BooleanField(default=True, verbose_name="Adhérent requis")
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"""
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If True, only adherents will be able to buy this product
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"""
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showingMultiplier = models.PositiveIntegerField(default=1)
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"""
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On the graphs on :func:`users.views.profile` view, the number of total consumptions is divised by the showingMultiplier
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"""
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draft_category = models.IntegerField(choices=DRAFT_TYPES, default=DRAFT_NONE, verbose_name="Type de pression")
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use_stocks = models.BooleanField(default=True, verbose_name="Utiliser les stocks ?")
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history = HistoricalRecords()
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def __str__(self):
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if self.draft_category == self.DRAFT_NONE:
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return self.name + " (" + str(self.amount) + " €)"
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else:
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return self.name + " (" + str(self.amount) + " €, " + str(self.deg) + "°)"
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def user_ranking(self, pk):
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"""
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Return the user ranking for the product
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"""
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user = User.objects.get(pk=pk)
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consumptions = Consumption.objects.filter(customer=user).filter(product=self)
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if consumptions:
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return (user, consumptions[0].quantity)
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else:
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return (user, 0)
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@property
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def ranking(self):
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"""
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Get the first 25 users with :func:`~gestion.models.user_ranking`
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"""
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users = User.objects.all()
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ranking = [self.user_ranking(user.pk) for user in users]
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ranking.sort(key=lambda x:x[1], reverse=True)
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return ranking[0:25]
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def isPinte(id):
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product = Product.objects.get(id=id)
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if product.draft_category != Product.DRAFT_PINTE:
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raise ValidationError(
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('%(product)s n\'est pas une pinte'),
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params={'product': product},
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)
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def isDemi(id):
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product = Product.objects.get(id=id)
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if product.draft_category != Product.DRAFT_DEMI:
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raise ValidationError(
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('%(product)s n\'est pas un demi'),
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params={'product': product},
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)
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def isGalopin(id):
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product = Product.objects.get(id=id)
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if product.draft_category != Product.DRAFT_GALOPIN:
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raise ValidationError(
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('%(product)s n\'est pas un galopin'),
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params={'product': product},
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)
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class Keg(models.Model):
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"""
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Stores a keg.
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"""
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class Meta:
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verbose_name = "Fût"
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permissions = (
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("open_keg", "Peut percuter les fûts"),
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("close_keg", "Peut fermer les fûts")
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)
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name = models.CharField(max_length=255, unique=True, verbose_name="Nom")
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"""
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The name of the keg.
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"""
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stockHold = models.IntegerField(default=0, verbose_name="Stock en soute")
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"""
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The number of this keg in the hold.
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"""
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amount = models.DecimalField(max_digits=7, decimal_places=2, verbose_name="Prix du fût", validators=[MinValueValidator(0)])
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"""
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The price of the keg.
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"""
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capacity = models.IntegerField(default=30, verbose_name="Capacité (L)")
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"""
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The capacity, in liters, of the keg.
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"""
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pinte = models.ForeignKey(Product, on_delete=models.PROTECT, related_name="futp", validators=[isPinte])
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"""
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The related :class:`~gestion.models.Product` for pint.
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"""
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demi = models.ForeignKey(Product, on_delete=models.PROTECT, related_name="futd", validators=[isDemi])
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"""
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The related :class:`~gestion.models.Product` for demi.
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"""
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galopin = models.ForeignKey(Product, on_delete=models.PROTECT, related_name="futg", validators=[isGalopin],null=True, blank=True)
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"""
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The related :class:`~gestion.models.Product` for galopin.
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"""
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is_active = models.BooleanField(default=False, verbose_name="Actif")
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"""
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If True, will be displayed on :func:`~gestion.views.manage` view
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"""
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deg = models.DecimalField(default=0,max_digits=5, decimal_places=2, verbose_name="Degré", validators=[MinValueValidator(0)])
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history = HistoricalRecords()
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def __str__(self):
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return self.name
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class KegHistory(models.Model):
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"""
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Stores a keg history, related to :class:`~gestion.models.Keg`.
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"""
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class Meta:
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verbose_name = "Historique de fût"
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keg = models.ForeignKey(Keg, on_delete=models.PROTECT, verbose_name="Fût")
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"""
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The :class:`~gestion.models.Keg` instance.
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"""
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openingDate = models.DateTimeField(auto_now_add=True, verbose_name="Date ouverture")
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"""
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The date when the keg was opened.
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"""
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quantitySold = models.DecimalField(decimal_places=2, max_digits=5, default=0, verbose_name="Quantité vendue")
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"""
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The quantity, in liters, sold.
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"""
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amountSold = models.DecimalField(decimal_places=2, max_digits=5, default=0, verbose_name="Somme vendue")
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"""
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The quantity, in euros, sold.
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"""
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closingDate = models.DateTimeField(null=True, blank=True, verbose_name="Date fermeture")
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"""
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The date when the keg was closed
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"""
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isCurrentKegHistory = models.BooleanField(default=True, verbose_name="Actuel")
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"""
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If True, it corresponds to the current Keg history of :class:`~gestion.models.Keg` instance.
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"""
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history = HistoricalRecords()
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def __str__(self):
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res = "Fût de " + str(self.keg) + " (" + str(self.openingDate) + " - "
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if(self.closingDate):
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res += str(self.closingDate) + ")"
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else:
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res += "?)"
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return res
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class Reload(models.Model):
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"""
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Stores reloads.
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"""
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class Meta:
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verbose_name = "Rechargement"
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customer = models.ForeignKey(User, on_delete=models.PROTECT, related_name="reload_taken", verbose_name="Client")
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"""
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Client (:class:`django.contrib.auth.models.User`).
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"""
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amount = models.DecimalField(max_digits=7, decimal_places=2, verbose_name="Montant", validators=[MinValueValidator(0)])
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"""
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Amount of the reload.
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"""
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PaymentMethod = models.ForeignKey(PaymentMethod, on_delete=models.PROTECT, verbose_name="Moyen de paiement")
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"""
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:class:`Payment Method <preferences.models.PaymentMethod>` of the reload.
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"""
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coopeman = models.ForeignKey(User, on_delete=models.PROTECT, related_name="reload_realized")
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"""
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Coopeman (:class:`django.contrib.auth.models.User`) who collected the reload.
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"""
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date = models.DateTimeField(auto_now_add=True)
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"""
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Date of the reload.
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"""
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history = HistoricalRecords()
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def __str__(self):
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return "Rechargement effectue par {0} le {1} ({2} euros, coopeman : {3})".format(self.customer, self.date, self.amount, self.coopeman)
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class Refund(models.Model):
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"""
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Stores refunds.
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"""
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class Meta:
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verbose_name = "Remboursement"
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date = models.DateTimeField(auto_now_add=True)
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"""
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Date of the refund
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"""
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customer = models.ForeignKey(User, on_delete=models.PROTECT, related_name="refund_taken", verbose_name="Client")
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"""
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Client (:class:`django.contrib.auth.models.User`).
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"""
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amount = models.DecimalField(max_digits=7, decimal_places=2, verbose_name="Montant", validators=[MinValueValidator(0)])
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"""
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Amount of the refund.
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"""
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coopeman = models.ForeignKey(User, on_delete=models.PROTECT, related_name="refund_realized")
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"""
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Coopeman (:class:`django.contrib.auth.models.User`) who realized the refund.
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"""
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history = HistoricalRecords()
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def __str__(self):
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return "{0} remboursé de {1} le {2} (effectué par {3})".format(self.customer, self.amount, self.date, self.coopeman)
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class Menu(models.Model):
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"""
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Stores menus.
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"""
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name = models.CharField(max_length=255, verbose_name="Nom")
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"""
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Name of the menu.
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"""
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amount = models.DecimalField(max_digits=7, decimal_places=2, verbose_name="Montant", validators=[MinValueValidator(0)])
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"""
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Price of the menu.
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"""
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articles = models.ManyToManyField(Product, verbose_name="Produits")
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"""
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Stores :class:`Products <gestion.models.Product>` contained in the menu
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"""
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is_active = models.BooleanField(default=False, verbose_name="Actif")
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"""
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If True, the menu will be displayed on the :func:`gestion.views.manage` view
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"""
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history = HistoricalRecords()
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def __str__(self):
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return self.name
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@property
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def adherent_required(self):
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"""
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Test if the menu contains a restricted :class:`~gestion.models.Product`
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"""
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res = False
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for article in self.articles.all():
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res = res or article.adherentRequired
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return res
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class MenuHistory(models.Model):
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"""
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Stores MenuHistory related to :class:`~gestion.models.Menu`.
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"""
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class Meta:
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verbose_name = "Historique de menu"
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customer = models.ForeignKey(User, on_delete=models.PROTECT, related_name="menu_taken", verbose_name="Client")
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quantity = models.PositiveIntegerField(default=0, verbose_name="Quantité")
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"""
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Client (:class:`django.contrib.auth.models.User`).
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"""
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paymentMethod = models.ForeignKey(PaymentMethod, on_delete=models.PROTECT, verbose_name="Moyen de paiement")
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"""
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:class:`Payment Method <preferences.models.PaymentMethod>` of the Menu purchased.
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"""
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date = models.DateTimeField(auto_now_add=True)
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"""
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Date of the purhcase.
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"""
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menu = models.ForeignKey(Menu, on_delete=models.PROTECT)
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"""
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:class:`gestion.models.Menu` purchased.
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"""
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amount = models.DecimalField(max_digits=7, decimal_places=2, default=0, verbose_name="Montant")
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"""
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Price of the purchase.
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"""
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coopeman = models.ForeignKey(User, on_delete=models.PROTECT, related_name="menu_selled")
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"""
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Coopeman (:class:django.contrib.auth.models.User`) who collected the money.
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"""
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history = HistoricalRecords()
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def __str__(self):
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return "{2} a consommé {0} {1}".format(self.quantity, self.menu, self.customer)
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class ConsumptionHistory(models.Model):
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"""
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Stores consumption history related to Product
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"""
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class Meta:
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verbose_name = "Consommation"
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customer = models.ForeignKey(User, on_delete=models.PROTECT, related_name="consumption_taken", verbose_name="Client")
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"""
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Client (:class:`django.contrib.auth.models.User`).
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"""
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quantity = models.PositiveIntegerField(default=0, verbose_name="Quantité")
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"""
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Quantity of :attr:`gestion.models.ConsumptionHistory.product` taken.
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"""
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paymentMethod = models.ForeignKey(PaymentMethod, on_delete=models.PROTECT, verbose_name="Moyen de paiement")
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"""
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:class:`Payment Method <preferences.models.PaymentMethod>` of the product purchased.
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"""
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date = models.DateTimeField(auto_now_add=True)
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"""
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Date of the purhcase.
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"""
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product = models.ForeignKey(Product, on_delete=models.PROTECT, verbose_name="Produit")
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"""
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:class:`gestion.models.product` purchased.
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"""
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amount = models.DecimalField(max_digits=7, decimal_places=2, default=0, verbose_name="Montant")
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"""
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Price of the purchase.
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"""
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coopeman = models.ForeignKey(User, on_delete=models.PROTECT, related_name="consumption_selled")
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"""
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Coopeman (:class:django.contrib.auth.models.User`) who collected the money.
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"""
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history = HistoricalRecords()
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def __str__(self):
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return "{0} {1} consommé par {2} le {3} (encaissé par {4})".format(self.quantity, self.product, self.customer, self.date, self.coopeman)
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class Consumption(models.Model):
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"""
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Stores total consumptions.
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"""
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class Meta:
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verbose_name = "Consommation totale"
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customer = models.ForeignKey(User, on_delete=models.PROTECT, related_name="consumption_global_taken", verbose_name="Client")
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"""
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Client (:class:`django.contrib.auth.models.User`).
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"""
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product = models.ForeignKey(Product, on_delete=models.PROTECT, verbose_name="Produit")
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"""
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A :class:`gestion.models.Product` instance.
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"""
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quantity = models.PositiveIntegerField(default=0, verbose_name="Quantité")
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"""
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The total number of :attr:`gestion.models.Consumption.product` consumed by the :attr:`gestion.models.Consumption.consumer`.
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"""
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history = HistoricalRecords()
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def __str__(self):
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return "Consommation de " + str(self.customer) + " concernant le produit " + str(self.product)
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class Pinte(models.Model):
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"""
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Stores a physical pinte
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"""
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current_owner = models.ForeignKey(User, on_delete=models.PROTECT, null=True, default=None, related_name="pintes_owned_currently")
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"""
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The current owner (:class:`django.contrib.auth.models.User`).
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"""
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previous_owner = models.ForeignKey(User, on_delete=models.PROTECT, null=True, default=None, related_name="pintes_owned_previously")
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"""
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The previous owner (:class:`django.contrib.auth.models.User`).
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"""
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last_update_date = models.DateTimeField(auto_now=True)
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"""
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The last update date
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"""
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history = HistoricalRecords()
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