clean invalid items from eboutic baskets

Savoir quel groupe a le droit d'acheter quel produit est maintenant déterminé avec le modèle `Price`. `Product.buying_groups` avait juste été laissé temporairement pour permettre un rollback si le déploiement des prix ne se passait pas bien. Comme il n'y a pas eu de problème, on peut maintenant le retirer.

core/static/core/components/card.scss

@@ -29,7 +29,12 @@
   align-items: center;
   gap: 20px;
 
-  &.clickable:hover {
+  &:disabled {
+    background-color: darken($primary-neutral-light-color, 5%);
+    opacity: 65%;
+  }
+
+  &.clickable:not(:disabled):hover {
     background-color: darken($primary-neutral-light-color, 5%);
   }
 

core/static/core/forms.scss

@@ -23,7 +23,7 @@
     border-radius: 5px;
     color: black;
 
-    &:hover {
+    &:not(.link-like):not(:disabled):hover {
       background: hsl(0, 0%, 83%);
     }
   }

counter/forms.py

@@ -409,6 +409,7 @@ class ProductForm(forms.ModelForm):
             "club",
             "limit_age",
             "tray",
+            "clic_limit",
             "archived",
         ]
         help_texts = {

counter/migrations/0040_product_clic_limit.py

@@ -0,0 +1,24 @@
+# Generated by Django 5.2.13 on 2026-05-13 11:31
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [("counter", "0039_price")]
+
+    operations = [
+        migrations.RemoveField(model_name="product", name="buying_groups"),
+        migrations.AddField(
+            model_name="product",
+            name="clic_limit",
+            field=models.PositiveSmallIntegerField(
+                blank=True,
+                help_text=(
+                    "If a limit is set, the product won't be purchasable "
+                    "anymore once the latter is reached."
+                ),
+                null=True,
+                verbose_name="clic limit",
+            ),
+        ),
+    ]

counter/models.py

@@ -22,7 +22,7 @@ import string
 from datetime import date, datetime, timedelta
 from datetime import timezone as tz
 from decimal import Decimal
-from typing import TYPE_CHECKING, Literal, Self
+from typing import Literal, Self
 
 from dict2xml import dict2xml
 from django.conf import settings
@@ -34,6 +34,7 @@ from django.forms import ValidationError
 from django.urls import reverse
 from django.utils import timezone
 from django.utils.functional import cached_property
+from django.utils.timezone import now
 from django.utils.translation import gettext_lazy as _
 from django_celery_beat.models import PeriodicTask
 from django_countries.fields import CountryField
@@ -47,9 +48,6 @@ from core.utils import get_start_of_semester
 from counter.fields import CurrencyField
 from subscription.models import Subscription
 
-if TYPE_CHECKING:
-    from collections.abc import Sequence
-
 
 def get_eboutic() -> Counter:
     return Counter.objects.filter(type="EBOUTIC").order_by("id").first()
@@ -353,6 +351,38 @@ class ProductType(OrderedModel):
         return user.is_in_group(pk=settings.SITH_GROUP_ACCOUNTING_ADMIN_ID)
 
 
+class ProductQuerySet(models.QuerySet):
+    def under_clic_limit(self) -> Self:
+        """Filter product which clic limit isn't reached yet.
+
+        The clic limit is reached when the amount of sales
+        and of items in a basket for less than 15 minutes
+        is greater or equal than `Product.clic_limit`.
+        """
+        # import here to avoid circular import
+        from eboutic.models import BasketItem
+
+        nb_click_subquery = Subquery(
+            Selling.objects.filter(product_id=OuterRef("id"))
+            .values("product_id")
+            .annotate(res=Sum("quantity", default=0))
+            .values("res")[:1]
+        )
+        nb_basket_items_subquery = Subquery(
+            BasketItem.objects.filter(
+                product_id=OuterRef("id"),
+                basket__date__gt=now() - settings.SITH_EBOUTIC_BASKET_TIMEOUT,
+            )
+            .values("product_id")
+            .annotate(res=Sum("quantity"))
+            .values("res")[:1]
+        )
+        return self.annotate(
+            clicked=Coalesce(nb_click_subquery, 0),
+            reserved=Coalesce(nb_basket_items_subquery, 0),
+        ).filter(Q(clic_limit=None) | Q(clic_limit__gt=(F("clicked") + F("reserved"))))
+
+
 class Product(models.Model):
     """A product, with all its related information."""
 
@@ -370,8 +400,7 @@ class Product(models.Model):
     )
     code = models.CharField(_("code"), max_length=16, blank=True)
     purchase_price = CurrencyField(
-        _("purchase price"),
-        help_text=_("Initial cost of purchasing the product"),
+        _("purchase price"), help_text=_("Initial cost of purchasing the product")
     )
     icon = ResizedImageField(
         height=70,
@@ -388,13 +417,21 @@ class Product(models.Model):
     tray = models.BooleanField(
         _("tray price"), help_text=_("Buy five, get the sixth free"), default=False
     )
-    buying_groups = models.ManyToManyField(
-        Group, related_name="products", verbose_name=_("buying groups"), blank=True
+    clic_limit = models.PositiveSmallIntegerField(
+        _("clic limit"),
+        help_text=_(
+            "If a limit is set, the product won't be purchasable "
+            "anymore on the eboutic once the latter is reached."
+        ),
+        null=True,
+        blank=True,
     )
     archived = models.BooleanField(_("archived"), default=False)
     created_at = models.DateTimeField(_("created at"), auto_now_add=True)
     updated_at = models.DateTimeField(_("updated at"), auto_now=True)
 
+    objects = ProductQuerySet.as_manager()
+
     class Meta:
         verbose_name = _("product")
 
@@ -733,10 +770,8 @@ class Counter(models.Model):
         # but they share the same primary key
         return self.type == "BAR" and any(b.pk == customer.pk for b in self.barmen_list)
 
-    def get_prices_for(
-        self, customer: Customer, *, order_by: Sequence[str] | None = None
-    ) -> list[Price]:
-        qs = (
+    def get_prices_for(self, customer: Customer) -> PriceQuerySet:
+        return (
             Price.objects.filter(
                 product__counters=self, product__product_type__isnull=False
             )
@@ -744,9 +779,6 @@ class Counter(models.Model):
             .select_related("product", "product__product_type")
             .prefetch_related("groups")
         )
-        if order_by:
-            qs = qs.order_by(*order_by)
-        return list(qs)
 
 
 class CounterSellers(models.Model):

counter/templates/counter/product_form.jinja

@@ -118,6 +118,7 @@
         </div>
       </div>
     </fieldset>
+    <fieldset><div>{{ form.clic_limit.as_field_group() }}</div></fieldset>
     <fieldset><div>{{ form.counters.as_field_group() }}</div></fieldset>
 
     <h3 class="margin-bottom">{% trans %}Prices{% endtrans %}</h3>

counter/tests/test_counter.py

@@ -596,7 +596,7 @@ class TestCounterClick(TestFullClickBase):
             product=iter(_product_recipe.make(archived=False, _quantity=2)),
             groups=[group],
         )
-        customer_prices = counter.get_prices_for(customer)
+        customer_prices = list(counter.get_prices_for(customer))
         assert unarchived_prices == customer_prices
 
 

counter/tests/test_product.py

@@ -1,3 +1,5 @@
+import itertools
+from datetime import timedelta
 from io import BytesIO
 from typing import Callable
 from uuid import uuid4
@@ -8,6 +10,7 @@ from django.core.cache import cache
 from django.core.files.uploadedfile import SimpleUploadedFile
 from django.test import Client, TestCase
 from django.urls import reverse
+from django.utils.timezone import now
 from model_bakery import baker
 from model_bakery.recipe import Recipe
 from PIL import Image
@@ -16,9 +19,10 @@ from pytest_django.asserts import assertNumQueries, assertRedirects
 from club.models import Club
 from core.baker_recipes import board_user, subscriber_user
 from core.models import Group, User
-from counter.baker_recipes import product_recipe
+from counter.baker_recipes import product_recipe, sale_recipe
 from counter.forms import ProductForm, ProductPriceFormSet
-from counter.models import Price, Product, ProductType
+from counter.models import Price, Product, ProductType, Selling
+from eboutic.models import Basket, BasketItem
 
 
 @pytest.mark.django_db
@@ -222,3 +226,57 @@ def test_price_for_user():
     assert list(qs.for_user(users[0])) == [prices[0], prices[1], prices[4]]
     assert list(qs.for_user(users[1])) == [prices[0], prices[4]]
     assert list(qs.for_user(users[2])) == [prices[0], prices[3]]
+
+
+class TestProductClicLimit(TestCase):
+    @classmethod
+    def setUpTestData(cls):
+        cls.products = product_recipe.make(
+            clic_limit=itertools.chain([5, 10, 15], itertools.repeat(None)),
+            _quantity=6,
+            _bulk_create=True,
+        )
+        cls.qs = Product.objects.filter(id__in=[p.id for p in cls.products])
+
+    def test_no_sales_or_basket(self):
+        """Test that it works if no sales has been made yet"""
+        assert list(self.qs.under_clic_limit()) == self.products
+
+    def test_with_sales(self):
+        """Test that it works when there are existing sales"""
+        sales = sale_recipe.make(
+            product=itertools.cycle(self.products),
+            _quantity=len(self.products) * 5,
+            _bulk_create=True,
+        )
+        Selling.objects.filter(id__in=[s.id for s in sales]).update(quantity=2)
+        assert list(self.qs.under_clic_limit()) == self.products[2:]
+
+    def test_with_sales_and_basket(self):
+        """Test that it works when there are existing sales and basket items."""
+        sales = sale_recipe.make(
+            product=itertools.cycle(self.products),
+            _quantity=len(self.products) * 5,
+            _bulk_create=True,
+        )
+        Selling.objects.filter(id__in=[s.id for s in sales]).update(quantity=1)
+        basket = baker.make(
+            Basket, date=now() - settings.SITH_EBOUTIC_BASKET_TIMEOUT / 2
+        )
+        items = baker.make(
+            BasketItem,
+            product=itertools.cycle(self.products),
+            basket=basket,
+            _quantity=len(self.products) * 5,
+        )
+        BasketItem.objects.filter(id__in=[i.id for i in items]).update(quantity=1)
+        assert list(self.qs.under_clic_limit()) == self.products[2:]
+
+        # expired basket items shouldn't be accounted when computing clic limit
+        item = BasketItem.objects.filter(product=self.products[1])[0]
+        item.basket = baker.make(
+            Basket,
+            date=now() - settings.SITH_EBOUTIC_BASKET_TIMEOUT - timedelta(minutes=1),
+        )
+        item.save()
+        assert list(self.qs.under_clic_limit()) == self.products[1:]

counter/views/click.py

@@ -103,7 +103,7 @@ class CounterClick(
         ):
             return redirect(obj)  # Redirect to counter
 
-        self.prices = obj.get_prices_for(self.customer)
+        self.prices = list(obj.get_prices_for(self.customer))
 
         return super().dispatch(request, *args, **kwargs)
 

eboutic/api.py

@@ -1,3 +1,6 @@
+from typing import Any
+
+from ninja import Status
 from ninja_extra import ControllerBase, api_controller, route
 from ninja_extra.exceptions import NotFound
 
@@ -8,13 +11,19 @@ from eboutic.models import Basket
 
 @api_controller("/etransaction", permissions=[CanView])
 class EtransactionInfoController(ControllerBase):
-    @route.get("/data/{basket_id}", url_name="etransaction_data")
+    @route.get(
+        "/data/{basket_id}",
+        url_name="etransaction_data",
+        response={200: dict[str, Any], 410: str},
+    )
     def fetch_etransaction_data(self, basket_id: int):
         """Generate the data to pay an eboutic command with paybox.
 
         The data is generated with the basket that is used by the current session.
         """
         basket: Basket = self.get_object_or_exception(Basket, pk=basket_id)
+        if basket.is_expired:
+            return Status(410, "This basket is expired.")
         try:
             return dict(basket.get_e_transaction_data())
         except BillingInfo.DoesNotExist as e:

eboutic/models.py

@@ -24,6 +24,7 @@ from django.conf import settings
 from django.db import DataError, models
 from django.db.models import F, OuterRef, Subquery, Sum
 from django.utils.functional import cached_property
+from django.utils.timezone import now
 from django.utils.translation import gettext_lazy as _
 
 from core.models import User
@@ -95,6 +96,10 @@ class Basket(models.Model):
             ]
         )
 
+    @property
+    def is_expired(self) -> bool:
+        return (self.date + settings.SITH_EBOUTIC_BASKET_TIMEOUT) <= now()
+
     def generate_sales(
         self, counter, seller: User, payment_method: Selling.PaymentMethod
     ):
@@ -133,9 +138,20 @@ class Basket(models.Model):
         ]
 
     def get_e_transaction_data(self) -> list[tuple[str, str]]:
+        """Get data for etransaction payment.
+
+        Raises:
+            Customer.DoesNotExist: if the user linked to this basket
+                has no customer account
+            BillingInfo.DoesNotExist: if the user linked to this basket has no
+                billing infos, or incorrect billing infos.
+            ValueError: if this is called on a basket which payment delay is expired.
+        """
         user = self.user
         if not hasattr(user, "customer"):
             raise Customer.DoesNotExist
+        if self.is_expired:
+            raise ValueError("This method cannot be called on an expired basket.")
         customer = user.customer
         if (
             not hasattr(user.customer, "billing_infos")
@@ -155,6 +171,10 @@ class Basket(models.Model):
             ("PBX_IDENTIFIANT", settings.SITH_EBOUTIC_PBX_IDENTIFIANT),
             ("PBX_TOTAL", str(int(self.total * 100))),
             ("PBX_DEVISE", "978"),  # This is Euro
+            (
+                "PBX_DISPLAY",
+                str(int(settings.SITH_EBOUTIC_ETRANSACTION_TIMEOUT.total_seconds())),
+            ),
             ("PBX_CMD", str(self.id)),
             ("PBX_PORTEUR", user.email),
             ("PBX_RETOUR", "Amount:M;BasketID:R;Auto:A;Error:E;Sig:K"),

eboutic/static/bundled/eboutic/checkout-index.ts

@@ -1,21 +1,71 @@
+import { type Notification, NotificationLevel } from "#core:utils/notifications";
 import { etransactioninfoFetchEtransactionData } from "#openapi";
 
+interface Basket {
+  id: number;
+  timeout: Date;
+}
 document.addEventListener("alpine:init", () => {
-  Alpine.data("etransaction", (initialData, basketId: number) => ({
+  Alpine.data("etransaction", (initialData, basket: Basket) => ({
     data: initialData,
     isCbAvailable: Object.keys(initialData).length > 0,
+    isSithAvailable: true,
 
+    init() {
+      const now = new Date();
+      const timeout = basket.timeout.getTime() - now.getTime();
+      if (timeout <= 0) {
+        // basket was already outdated at initial page load
+        this.timeoutBasket();
+      } else {
+        setTimeout(() => this.timeoutBasket(), timeout);
+      }
+    },
+
+    /**
+     * Make this basket into a timeout state.
+     * All submission inputs are disabled, and an error message is displayed.
+     */
+    timeoutBasket() {
+      this.isCbAvailable = false;
+      this.isSithAvailable = false;
+      const message = gettext("Basket expired");
+
+      const existingNotif: Notification | undefined = this.$notifications
+        .getAll()
+        .find(
+          (n: Notification) =>
+            n.tag === NotificationLevel.Error && n.message === message,
+        );
+      if (existingNotif === undefined) {
+        this.$notifications.error(message);
+      }
+    },
+
+    /**
+     * Refresh the data used for etransaction.
+     *
+     * Note: if this is called while the basket is expired, it will be a no-op
+     */
     async fill() {
+      if (new Date() > basket.timeout) {
+        // refresh etransaction data only if the basket is still valid.
+        this.timeoutBasket();
+        return;
+      }
       this.isCbAvailable = false;
       const res = await etransactioninfoFetchEtransactionData({
-        path: {
         // biome-ignore lint/style/useNamingConvention: api is in snake_case
-          basket_id: basketId,
-        },
+        path: { basket_id: basket.id },
       });
       if (res.response.ok) {
         this.data = res.data;
         this.isCbAvailable = true;
+      } else if (res.response.status === 410) {
+        // The basket is expired, so no payment method should be available at all.
+        // This shouldn't happen, because we don't send the request
+        // when the timeout is passed, but we are better safe than sorry
+        this.timeoutBasket();
       }
     },
   }));

eboutic/static/bundled/eboutic/eboutic-index.ts

@@ -11,7 +11,7 @@ const BASKET_CACHE_KEY = "basket";
 const BASKET_CACHE_VERSION = 1;
 
 document.addEventListener("alpine:init", () => {
-  Alpine.data("basket", (lastPurchaseTime?: number) => ({
+  Alpine.data("basket", (validPrices: number[], lastPurchaseTime?: number) => ({
     basket: [] as BasketItem[],
 
     init() {
@@ -19,15 +19,6 @@ document.addEventListener("alpine:init", () => {
       this.$watch("basket", () => {
         this.saveBasket();
       });
-      // Invalidate basket if a purchase was made
-      if (lastPurchaseTime !== null && localStorage.basketTimestamp !== undefined) {
-        if (
-          new Date(lastPurchaseTime) >=
-          new Date(Number.parseInt(localStorage.basketTimestamp, 10))
-        ) {
-          this.basket = [];
-        }
-      }
       document
         .getElementById("id_form-TOTAL_FORMS")
         .setAttribute(":value", "basket.length");
@@ -37,7 +28,22 @@ document.addEventListener("alpine:init", () => {
       const cached = versionedLocalStorage.getItem<BasketItem[]>(BASKET_CACHE_KEY, {
         version: BASKET_CACHE_VERSION,
       });
-      return cached ?? [];
+      if (!cached) {
+        return [];
+      }
+      if (
+        lastPurchaseTime !== null &&
+        localStorage.basketTimestamp !== undefined &&
+        new Date(lastPurchaseTime) >=
+          new Date(Number.parseInt(localStorage.basketTimestamp, 10))
+      ) {
+        // Invalidate basket if a purchase was made
+        return [];
+      }
+      // The basket is cached and not expired, so return it,
+      // but without items that are invalid
+      // (e.g. because the product is archived, or sold out)
+      return cached.filter((item) => validPrices.includes(item.priceId));
     },
 
     saveBasket() {

eboutic/templates/eboutic/eboutic_billing_info.jinja

@@ -21,6 +21,7 @@
       hx-swap="outerHTML"
       hx-target="#billing-infos-fragment"
       x-show="collapsed"
+      x-cloak
     >
       {% csrf_token %}
       {{ form.as_p() }}

eboutic/templates/eboutic/eboutic_checkout.jinja

@@ -15,11 +15,10 @@
 {% block content %}
   <h3>{% trans %}Eboutic{% endtrans %}</h3>
 
-  <script type="text/javascript">
-    let billingInfos = {{ billing_infos|safe }};
-  </script>
-
-  <div x-data="etransaction(billingInfos, {{ basket.id }})">
+  <div x-data='etransaction(
+               {{ billing_infos|tojson }},
+               { id: {{ basket.id }}, timeout: new Date('{{ basket.date + settings.SITH_EBOUTIC_BASKET_TIMEOUT }}') }
+                                                                                                                         )'>
     <p>{% trans %}Basket: {% endtrans %}</p>
     <table>
       <thead>
@@ -72,7 +71,11 @@
           x-cloak
           type="submit"
           id="bank-submit-button"
+          {% if basket.is_expired %}
+            disabled="disabled"
+          {% else %}
             :disabled="!isCbAvailable"
+          {% endif %}
           class="btn btn-blue"
           value="{% trans %}Pay with credit card{% endtrans %}"
         />
@@ -93,7 +96,16 @@
     {% else %}
       <form method="post" action="{{ url('eboutic:pay_with_sith', basket_id=basket.id) }}" name="sith-pay-form">
         {% csrf_token %}
-        <input class="btn btn-blue" type="submit" value="{% trans %}Pay with Sith account{% endtrans %}"/>
+        <input
+          {% if basket.is_expired %}
+            disabled="disabled"
+          {% else %}
+            :disabled="!isSithAvailable"
+          {% endif %}
+          class="btn btn-blue"
+          type="submit"
+          value="{% trans %}Pay with Sith account{% endtrans %}"
+        />
       </form>
     {% endif %}
   </div>

eboutic/templates/eboutic/eboutic_main.jinja

@@ -30,7 +30,13 @@
 {% block content %}
   <h1 id="eboutic-title">{% trans %}Eboutic{% endtrans %}</h1>
 
-  <div id="eboutic" x-data="basket({{ last_purchase_time }})">
+  <div
+    id="eboutic"
+    x-data="basket(
+            [{% for prices in categories %}{% for p in prices %}{{ p.id }},{% endfor %}{% endfor %}],
+            {{ last_purchase_time }},
+            )"
+  >
     <div id="basket">
       <h3>Panier</h3>
       <form method="post" action="">
@@ -187,9 +193,10 @@
             {% for price in prices %}
               <button
                 id="{{ price.id }}"
-                class="card product-button clickable shadow"
+                class="card clickable shadow"
                 :class="{selected: basket.some((i) => i.priceId === {{ price.id }})}"
                 @click='addFromCatalog({{ price.id }}, {{ price.full_label|tojson }}, {{ price.amount }})'
+                {% if price.sold_out %}disabled{% endif %}
               >
                 {% if price.product.icon %}
                   <img
@@ -202,6 +209,9 @@
                 {% endif %}
                 <div class="card-content">
                   <h4 class="card-title">{{ price.full_label }}</h4>
+                  {% if price.sold_out -%}
+                    <p><em>{% trans %}Product sold out{% endtrans %}</em></p>
+                  {%- endif %}
                   <p>{{ price.amount }} €</p>
                 </div>
               </button>

eboutic/tests/test_payment.py

@@ -3,6 +3,7 @@ import urllib
 from decimal import Decimal
 from typing import TYPE_CHECKING
 
+import freezegun
 from cryptography.hazmat.primitives.asymmetric.padding import PKCS1v15
 from cryptography.hazmat.primitives.asymmetric.rsa import RSAPrivateKey
 from cryptography.hazmat.primitives.hashes import SHA1
@@ -105,7 +106,7 @@ class TestPaymentSith(TestPaymentBase):
             ),
             reverse("eboutic:payment_result", kwargs={"result": "success"}),
         )
-        assert Basket.objects.filter(id=self.basket.id).first() is None
+        assert not Basket.objects.filter(id=self.basket.id).exists()
         self.customer.customer.refresh_from_db()
         assert self.customer.customer.amount == Decimal(1)
 
@@ -139,10 +140,7 @@ class TestPaymentSith(TestPaymentBase):
         assert len(messages) == 1
         assert messages[0].level == DEFAULT_LEVELS["ERROR"]
         assert messages[0].message == "Solde insuffisant"
-
-        assert Basket.objects.contains(self.basket), (
-            "After an unsuccessful request, the basket should be kept"
-        )
+        assert not Basket.objects.filter(id=self.basket.id).exists()
 
     def test_refilling_in_basket(self):
         BasketItem.from_price(self.refilling.prices.first(), 1, self.basket).save()
@@ -157,7 +155,7 @@ class TestPaymentSith(TestPaymentBase):
             response,
             reverse("eboutic:payment_result", kwargs={"result": "failure"}),
         )
-        assert Basket.objects.filter(id=self.basket.id).first() is not None
+        assert not Basket.objects.filter(id=self.basket.id).exists()
         messages = list(get_messages(response.wsgi_request))
         assert messages[0].level == DEFAULT_LEVELS["ERROR"]
         assert (
@@ -167,6 +165,24 @@ class TestPaymentSith(TestPaymentBase):
         self.customer.customer.refresh_from_db()
         assert self.customer.customer.amount == initial_account_balance
 
+    def test_basket_expired(self):
+        self.client.force_login(self.customer)
+        initial_account_balance = self.customer.customer.amount
+        with freezegun.freeze_time(settings.SITH_EBOUTIC_BASKET_TIMEOUT):
+            response = self.client.post(
+                reverse("eboutic:pay_with_sith", kwargs={"basket_id": self.basket.id})
+            )
+        assertRedirects(
+            response,
+            reverse("eboutic:payment_result", kwargs={"result": "failure"}),
+        )
+        messages = list(get_messages(response.wsgi_request))
+        assert messages[0].level == DEFAULT_LEVELS["ERROR"]
+        assert messages[0].message == "Panier expiré"
+        assert not Basket.objects.filter(id=self.basket.id).exists()
+        self.customer.customer.refresh_from_db()
+        assert self.customer.customer.amount == initial_account_balance
+
 
 class TestPaymentCard(TestPaymentBase):
     def generate_bank_valid_answer(self, basket: Basket):

eboutic/views.py

@@ -33,12 +33,14 @@ from django.contrib.auth.mixins import LoginRequiredMixin
 from django.contrib.messages.views import SuccessMessageMixin
 from django.core.exceptions import SuspiciousOperation, ValidationError
 from django.db import DatabaseError, transaction
-from django.db.models import Subquery
+from django.db.models import Exists, OuterRef, Subquery
 from django.db.models.fields import forms
 from django.db.utils import cached_property
 from django.http import HttpResponse
 from django.shortcuts import redirect, render
 from django.urls import reverse
+from django.utils.formats import localize
+from django.utils.timezone import localtime
 from django.utils.translation import gettext_lazy as _
 from django.views.decorators.http import require_GET
 from django.views.generic import DetailView, FormView, TemplateView, UpdateView, View
@@ -90,7 +92,9 @@ class EbouticMainView(LoginRequiredMixin, FormView):
         kwargs["form_kwargs"] = {
             "customer": self.customer,
             "counter": get_eboutic(),
-            "allowed_prices": {price.id: price for price in self.prices},
+            "allowed_prices": {
+                price.id: price for price in self.prices if not price.sold_out
+            },
         }
         return kwargs
 
@@ -116,9 +120,14 @@ class EbouticMainView(LoginRequiredMixin, FormView):
 
     @cached_property
     def prices(self) -> list[Price]:
-        return get_eboutic().get_prices_for(
-            self.customer,
-            order_by=["product__product_type__order", "product_id", "amount"],
+        eboutic = get_eboutic()
+        sold_out_subquery = ~Exists(
+            eboutic.products.under_clic_limit().filter(id=OuterRef("product_id"))
+        )
+        return list(
+            eboutic.get_prices_for(self.customer)
+            .annotate(sold_out=sold_out_subquery)
+            .order_by("product__product_type__order", "product_id", "amount")
         )
 
     @cached_property
@@ -187,9 +196,7 @@ class BillingInfoFormFragment(
 
     def get_initial(self):
         if self.object is None:
-            return {
-                "country": Country(code="FR"),
-            }
+            return {"country": Country(code="FR")}
         return {}
 
     def render_fragment(self, request, **kwargs) -> SafeString:
@@ -255,6 +262,15 @@ class EbouticCheckout(CanViewMixin, UseFragmentsMixin, DetailView):
             kwargs["customer_amount"] = None
         kwargs["billing_infos"] = {}
 
+        if self.object.is_expired:
+            messages.error(self.request, _("Basket expired"))
+        else:
+            timeout = self.object.date + settings.SITH_EBOUTIC_BASKET_TIMEOUT
+            messages.warning(
+                self.request,
+                _("Basket available until %(until)s")
+                % {"until": localize(localtime(timeout).time())},
+            )
             with contextlib.suppress(BillingInfo.DoesNotExist):
                 kwargs["billing_infos"] = json.dumps(
                     dict(self.object.get_e_transaction_data())
@@ -268,9 +284,14 @@ class EbouticPayWithSith(CanViewMixin, SingleObjectMixin, View):
 
     def post(self, request, *args, **kwargs):
         basket = self.get_object()
+        if basket.is_expired:
+            messages.error(self.request, _("Basket expired"))
+            basket.delete()
+            return redirect("eboutic:payment_result", "failure")
         refilling = settings.SITH_COUNTER_PRODUCTTYPE_REFILLING
         if basket.items.filter(product__product_type_id=refilling).exists():
             messages.error(self.request, _("You can't buy a refilling with sith money"))
+            basket.delete()
             return redirect("eboutic:payment_result", "failure")
 
         eboutic = get_eboutic()
@@ -288,6 +309,7 @@ class EbouticPayWithSith(CanViewMixin, SingleObjectMixin, View):
         except DatabaseError as e:
             sentry_sdk.capture_exception(e)
         except ValidationError as e:
+            basket.delete()
             messages.error(self.request, e.message)
         return redirect("eboutic:payment_result", "failure")
 

locale/fr/LC_MESSAGES/django.po

@@ -6,7 +6,7 @@
 msgid ""
 msgstr ""
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2026-05-12 11:12+0200\n"
+"POT-Creation-Date: 2026-05-15 11:46+0200\n"
 "PO-Revision-Date: 2016-07-18\n"
 "Last-Translator: Maréchal <thomas.girod@utbm.fr\n"
 "Language-Team: AE info <ae.info@utbm.fr>\n"
@@ -4505,6 +4505,15 @@ msgstr ""
 "souhaitez payer par carte, vous devez rajouter un numéro de téléphone aux "
 "données que vous aviez déjà fourni."
 
+#: eboutic/views.py
+msgid "Basket expired"
+msgstr "Panier expiré"
+
+#: eboutic/views.py
+#, python-format
+msgid "Basket available until %(until)s"
+msgstr "Panier disponible jusqu'à %(until)s"
+
 #: eboutic/views.py
 msgid "You can't buy a refilling with sith money"
 msgstr "Vous ne pouvez pas acheter un rechargement avec de l'argent du sith"

locale/fr/LC_MESSAGES/djangojs.po

@@ -7,7 +7,7 @@
 msgid ""
 msgstr ""
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2026-04-17 22:42+0200\n"
+"POT-Creation-Date: 2026-05-17 10:03+0200\n"
 "PO-Revision-Date: 2024-09-17 11:54+0200\n"
 "Last-Translator: Sli <antoine@bartuccio.fr>\n"
 "Language-Team: AE info <ae.info@utbm.fr>\n"
@@ -263,6 +263,10 @@ msgstr "Types de produits réordonnés !"
 msgid "Product type reorganisation failed with status code : %d"
 msgstr "La réorganisation des types de produit a échoué avec le code : %d"
 
+#: eboutic/static/bundled/eboutic/checkout-index.ts
+msgid "Basket expired"
+msgstr "Panier expiré"
+
 #: sas/static/bundled/sas/pictures-download-index.ts
 msgid "pictures.%(extension)s"
 msgstr "photos.%(extension)s"

sith/settings.py

@@ -571,6 +571,11 @@ SITH_BARMAN_TIMEOUT = 30
 # Minutes to delete the last operations
 SITH_LAST_OPERATIONS_LIMIT = 10
 
+# time before a basket is considered expired
+SITH_EBOUTIC_BASKET_TIMEOUT = timedelta(minutes=10)
+# time that a user can spend on the CB payment page before it to timeout
+SITH_EBOUTIC_ETRANSACTION_TIMEOUT = timedelta(minutes=10)
+
 # ET variables
 SITH_EBOUTIC_CB_ENABLED = env.bool("SITH_EBOUTIC_CB_ENABLED", default=True)
 SITH_EBOUTIC_ET_URL = env.str(