Template
westfarn
80a5f5dadf
Clients can run in-house retail without Shopify while keeping the same Docker/Django/Postgres stack and data-ownership promise. Closes #5.
119 lines
4.0 KiB
Python
119 lines
4.0 KiB
Python
from decimal import Decimal
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from django.db import models
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from django.urls import reverse
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from django.utils.text import slugify
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from core.models import TimeStampedModel, UUIDPrimaryKeyModel
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class Product(UUIDPrimaryKeyModel, TimeStampedModel):
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class Fulfillment(models.TextChoices):
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STOCKED = "stocked", "On-hand stock"
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MADE_TO_ORDER = "made_to_order", "Made to order"
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name = models.CharField(max_length=200)
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slug = models.SlugField(max_length=220, unique=True)
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sku = models.CharField(max_length=64, unique=True)
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description = models.TextField(blank=True)
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price = models.DecimalField(max_digits=10, decimal_places=2)
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currency = models.CharField(max_length=8, default="usd")
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fulfillment = models.CharField(
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max_length=16,
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choices=Fulfillment.choices,
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default=Fulfillment.STOCKED,
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)
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stock_qty = models.IntegerField(default=0)
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print_minutes = models.PositiveIntegerField(
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default=0,
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help_text="Estimated print time per unit (made-to-order).",
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)
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filament_grams = models.PositiveIntegerField(default=0)
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is_published = models.BooleanField(default=False)
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track_inventory = models.BooleanField(default=True)
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class Meta:
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ordering = ["name"]
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def __str__(self) -> str:
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return f"{self.name} ({self.sku})"
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def get_absolute_url(self) -> str:
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return reverse("shop:detail", kwargs={"slug": self.slug})
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@property
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def amount_cents(self) -> int:
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return int((self.price * Decimal("100")).quantize(Decimal("1")))
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def save(self, *args, **kwargs):
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if not self.slug:
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base = slugify(self.name)[:200] or "product"
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slug = base
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n = 2
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while Product.objects.filter(slug=slug).exclude(pk=self.pk).exists():
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slug = f"{base}-{n}"
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n += 1
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self.slug = slug
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if not self.sku:
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self.sku = (self.slug or "sku").upper().replace("-", "")[:64]
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super().save(*args, **kwargs)
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class Order(UUIDPrimaryKeyModel, TimeStampedModel):
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class Status(models.TextChoices):
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DRAFT = "draft", "Draft"
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OPEN = "open", "Open"
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PAID = "paid", "Paid"
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FULFILLED = "fulfilled", "Fulfilled"
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CANCELLED = "cancelled", "Cancelled"
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number = models.CharField(max_length=32, unique=True)
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email = models.EmailField()
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customer_name = models.CharField(max_length=200, blank=True)
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status = models.CharField(
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max_length=16, choices=Status.choices, default=Status.DRAFT
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)
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amount = models.DecimalField(max_digits=10, decimal_places=2, default=Decimal("0"))
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currency = models.CharField(max_length=8, default="usd")
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shipping_address = models.JSONField(default=dict, blank=True)
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stripe_checkout_session_id = models.CharField(max_length=255, blank=True)
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hosted_checkout_url = models.URLField(blank=True)
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paid_at = models.DateTimeField(null=True, blank=True)
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notes = models.TextField(blank=True)
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class Meta:
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ordering = ["-created_at"]
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def __str__(self) -> str:
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return f"{self.number} · {self.email} · {self.amount}"
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@property
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def amount_cents(self) -> int:
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return int((self.amount * Decimal("100")).quantize(Decimal("1")))
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class OrderItem(UUIDPrimaryKeyModel, TimeStampedModel):
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order = models.ForeignKey(Order, on_delete=models.CASCADE, related_name="items")
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product = models.ForeignKey(
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Product,
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null=True,
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blank=True,
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on_delete=models.SET_NULL,
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related_name="order_items",
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)
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name = models.CharField(max_length=200)
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sku = models.CharField(max_length=64)
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quantity = models.PositiveIntegerField(default=1)
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unit_price = models.DecimalField(max_digits=10, decimal_places=2)
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print_minutes = models.PositiveIntegerField(default=0)
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class Meta:
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ordering = ["created_at"]
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def __str__(self) -> str:
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return f"{self.quantity}× {self.name}"
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@property
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def line_total(self) -> Decimal:
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return self.unit_price * self.quantity
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