diff --git a/eboutic/tests/test_basket.py b/eboutic/tests/test_basket.py
index 60081102..ff7f2077 100644
--- a/eboutic/tests/test_basket.py
+++ b/eboutic/tests/test_basket.py
@@ -1,3 +1,5 @@
+from datetime import datetime, timezone
+
 import pytest
 from django.http import HttpResponse
 from django.test import TestCase
@@ -9,8 +11,13 @@ from pytest_django.asserts import assertRedirects
 
 from core.baker_recipes import subscriber_user
 from core.models import Group, User
-from counter.baker_recipes import product_recipe
-from counter.models import Counter, ProductType, get_eboutic
+from counter.baker_recipes import product_recipe, refill_recipe, sale_recipe
+from counter.models import (
+    Counter,
+    Customer,
+    ProductType,
+    get_eboutic,
+)
 from counter.tests.test_counter import BasketItem
 from eboutic.models import Basket
 
@@ -24,6 +31,96 @@ def test_get_eboutic():
     assert Counter.objects.get(name="Eboutic") == get_eboutic()
 
 
+@pytest.mark.django_db
+def test_eboutic_access_unregistered(client: Client):
+    eboutic_url = reverse("eboutic:main")
+    assertRedirects(
+        client.get(eboutic_url), reverse("core:login", query={"next": eboutic_url})
+    )
+
+
+@pytest.mark.django_db
+def test_eboutic_access_new_customer(client: Client):
+    user = baker.make(User)
+    assert not Customer.objects.filter(user=user).exists()
+
+    client.force_login(user)
+
+    assert client.get(reverse("eboutic:main")).status_code == 200
+    assert Customer.objects.filter(user=user).exists()
+
+
+@pytest.mark.django_db
+def test_eboutic_access_old_customer(client: Client):
+    user = baker.make(User)
+    customer = Customer.get_or_create(user)[0]
+
+    client.force_login(user)
+
+    assert client.get(reverse("eboutic:main")).status_code == 200
+    assert Customer.objects.filter(user=user).first() == customer
+
+
+@pytest.mark.django_db
+@pytest.mark.parametrize(
+    ("sellings", "refillings", "expected"),
+    (
+        ([], [], None),
+        (
+            [datetime(2025, 3, 7, 1, 2, 3, tzinfo=timezone.utc)],
+            [],
+            datetime(2025, 3, 7, 1, 2, 3, tzinfo=timezone.utc),
+        ),
+        (
+            [],
+            [datetime(2025, 3, 7, 1, 2, 3, tzinfo=timezone.utc)],
+            datetime(2025, 3, 7, 1, 2, 3, tzinfo=timezone.utc),
+        ),
+        (
+            [datetime(2025, 2, 7, 1, 2, 3, tzinfo=timezone.utc)],
+            [datetime(2025, 3, 7, 1, 2, 3, tzinfo=timezone.utc)],
+            datetime(2025, 3, 7, 1, 2, 3, tzinfo=timezone.utc),
+        ),
+        (
+            [datetime(2025, 3, 7, 1, 2, 3, tzinfo=timezone.utc)],
+            [datetime(2025, 2, 7, 1, 2, 3, tzinfo=timezone.utc)],
+            datetime(2025, 3, 7, 1, 2, 3, tzinfo=timezone.utc),
+        ),
+        (
+            [
+                datetime(2025, 3, 7, 1, 2, 3, tzinfo=timezone.utc),
+                datetime(2025, 2, 7, 1, 2, 3, tzinfo=timezone.utc),
+            ],
+            [datetime(2025, 3, 7, 1, 2, 3, tzinfo=timezone.utc)],
+            datetime(2025, 3, 7, 1, 2, 3, tzinfo=timezone.utc),
+        ),
+    ),
+)
+def test_eboutic_basket_expiry(
+    client: Client,
+    sellings: list[datetime],
+    refillings: list[datetime],
+    expected: datetime | None,
+):
+    eboutic = get_eboutic()
+
+    customer = baker.make(Customer)
+
+    client.force_login(customer.user)
+
+    for date in sellings:
+        sale_recipe.make(
+            customer=customer, counter=eboutic, date=date, is_validated=True
+        )
+    for date in refillings:
+        refill_recipe.make(customer=customer, counter=eboutic, date=date)
+
+    assert (
+        f'x-data="basket({int(expected.timestamp() * 1000) if expected else "null"})"'
+        in client.get(reverse("eboutic:main")).text
+    )
+
+
 class TestEboutic(TestCase):
     @classmethod
     def setUpTestData(cls):
diff --git a/eboutic/views.py b/eboutic/views.py
index ec937e9b..bf232621 100644
--- a/eboutic/views.py
+++ b/eboutic/views.py
@@ -34,6 +34,7 @@ from django.contrib.auth.mixins import (
 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.fields import forms
 from django.db.utils import cached_property
 from django.http import HttpResponse
@@ -48,7 +49,14 @@ from django_countries.fields import Country
 from core.auth.mixins import CanViewMixin
 from core.views.mixins import FragmentMixin, UseFragmentsMixin
 from counter.forms import BaseBasketForm, BillingInfoForm, ProductForm
-from counter.models import BillingInfo, Customer, Product, Selling, get_eboutic
+from counter.models import (
+    BillingInfo,
+    Customer,
+    Product,
+    Refilling,
+    Selling,
+    get_eboutic,
+)
 from eboutic.models import (
     Basket,
     BasketItem,
@@ -124,13 +132,36 @@ class EbouticMainView(LoginRequiredMixin, FormView):
         context = super().get_context_data(**kwargs)
         context["products"] = self.products
         context["customer_amount"] = self.request.user.account_balance
-        last_purchase: Selling | None = (
-            self.customer.buyings.filter(counter__type="EBOUTIC")
-            .order_by("-date")
-            .first()
-        )
+
+        purchases = (
+            Customer.objects.filter(pk=self.customer.pk)
+            .annotate(
+                last_refill=Subquery(
+                    Refilling.objects.filter(
+                        counter__type="EBOUTIC", customer_id=self.customer.pk
+                    )
+                    .order_by("-date")
+                    .values("date")[:1]
+                ),
+                last_purchase=Subquery(
+                    Selling.objects.filter(
+                        counter__type="EBOUTIC", customer_id=self.customer.pk
+                    )
+                    .order_by("-date")
+                    .values("date")[:1]
+                ),
+            )
+            .values_list("last_refill", "last_purchase")
+        )[0]
+
+        purchase_times = [
+            int(purchase.timestamp() * 1000)
+            for purchase in purchases
+            if purchase is not None
+        ]
+
         context["last_purchase_time"] = (
-            int(last_purchase.date.timestamp() * 1000) if last_purchase else "null"
+            max(purchase_times) if len(purchase_times) > 0 else "null"
         )
         return context