fix: product scheduled action on product creation

cf. issue #1257

counter/forms.py

@@ -1,7 +1,7 @@
 import json
 import math
 import uuid
-from datetime import date, datetime, timezone
+from datetime import date
 
 from dateutil.relativedelta import relativedelta
 from django import forms
@@ -235,6 +235,19 @@ class ScheduledProductActionForm(forms.ModelForm):
         )
         return super().clean()
 
+    def set_product(self, product: Product):
+        """Set the product to which this form's instance is linked.
+
+        When this form is linked to a ProductForm in the case of a product's creation,
+        the product doesn't exist yet, so saving this form as is will result
+        in having `{"product_id": null}` in the action kwargs.
+        For the creation to be useful, it may be needed to inject the newly created
+        product into this form, before saving the latter.
+        """
+        self.product = product
+        kwargs = json.loads(self.instance.kwargs) | {"product_id": self.product.id}
+        self.instance.kwargs = json.dumps(kwargs)
+
 
 class BaseScheduledProductActionFormSet(BaseModelFormSet):
     def __init__(self, *args, product: Product, **kwargs):
@@ -321,11 +334,19 @@ class ProductForm(forms.ModelForm):
     def is_valid(self):
         return super().is_valid() and self.action_formset.is_valid()
 
-    def save(self, *args, **kwargs):
-        ret = super().save(*args, **kwargs)
-        self.instance.counters.set(self.cleaned_data["counters"])
+    def save(self, *args, **kwargs) -> Product:
+        product = super().save(*args, **kwargs)
+        product.counters.set(self.cleaned_data["counters"])
+        for form in self.action_formset:
+            # if it's a creation, the product given in the formset
+            # wasn't a persisted instance.
+            # So if we tried to persist the scheduled actions in the current state,
+            # they would be linked to no product, thus be completely useless
+            # To make it work, we have to replace
+            # the initial product with a persisted one
+            form.set_product(product)
         self.action_formset.save()
-        return ret
+        return product
 
 
 class ReturnableProductForm(forms.ModelForm):
@@ -369,7 +390,6 @@ class EticketForm(forms.ModelForm):
 class CloseCustomerAccountForm(forms.Form):
     user = forms.ModelChoiceField(
         label=_("Refound this account"),
-        help_text=None,
         required=True,
         widget=AutoCompleteSelectUser,
         queryset=User.objects.all(),
@@ -489,14 +509,13 @@ class InvoiceCallForm(forms.Form):
     def __init__(self, *args, month: date, **kwargs):
         super().__init__(*args, **kwargs)
         self.month = month
-        month_start = datetime(month.year, month.month, month.day, tzinfo=timezone.utc)
         self.clubs = list(
             Club.objects.filter(
                 Exists(
                     Selling.objects.filter(
                         club=OuterRef("pk"),
-                        date__gte=month_start,
-                        date__lte=month_start + relativedelta(months=1),
+                        date__gte=month,
+                        date__lte=month + relativedelta(months=1),
                     )
                 )
             ).annotate(

counter/tests/test_auto_actions.py

@@ -11,8 +11,12 @@ from model_bakery import baker
 
 from core.models import Group, User
 from counter.baker_recipes import counter_recipe, product_recipe
-from counter.forms import ScheduledProductActionForm, ScheduledProductActionFormSet
-from counter.models import ScheduledProductAction
+from counter.forms import (
+    ProductForm,
+    ScheduledProductActionForm,
+    ScheduledProductActionFormSet,
+)
+from counter.models import Product, ScheduledProductAction
 
 
 @pytest.mark.django_db
@@ -34,6 +38,39 @@ def test_edit_product(client: Client):
     assert res.status_code == 200
 
 
+@pytest.mark.django_db
+def test_create_actions_alongside_product():
+    """The form should work when the product and the actions are created alongside."""
+    # non-persisted instance
+    product: Product = product_recipe.prepare(_save_related=True)
+    trigger_at = now() + timedelta(minutes=10)
+    form = ProductForm(
+        data={
+            "name": "foo",
+            "description": "bar",
+            "product_type": product.product_type_id,
+            "club": product.club_id,
+            "code": "FOO",
+            "purchase_price": 1.0,
+            "selling_price": 1.0,
+            "special_selling_price": 1.0,
+            "limit_age": 0,
+            "form-TOTAL_FORMS": "2",
+            "form-INITIAL_FORMS": "0",
+            "form-0-task": "counter.tasks.archive_product",
+            "form-0-trigger_at": trigger_at,
+        },
+    )
+    assert form.is_valid()
+    product = form.save()
+    action = ScheduledProductAction.objects.last()
+    assert action.clocked.clocked_time == trigger_at
+    assert action.enabled is True
+    assert action.one_off is True
+    assert action.task == "counter.tasks.archive_product"
+    assert action.kwargs == json.dumps({"product_id": product.id})
+
+
 @pytest.mark.django_db
 class TestProductActionForm:
     def test_single_form_archive(self):

counter/tests/test_invoices.py

@@ -6,7 +6,7 @@ from django.contrib.auth.models import Permission
 from django.core.exceptions import ValidationError
 from django.test import Client
 from django.urls import reverse
-from django.utils.timezone import now
+from django.utils.timezone import localdate
 from model_bakery import baker
 from pytest_django.asserts import assertRedirects
 
@@ -57,7 +57,7 @@ def test_invoice_call_view(client: Client, query: dict | None):
 @pytest.mark.django_db
 def test_invoice_call_form():
     Selling.objects.all().delete()
-    month = now() - relativedelta(months=1)
+    month = localdate() - relativedelta(months=1)
     clubs = baker.make(Club, _quantity=2)
     recipe = sale_recipe.extend(date=month, customer=baker.make(Customer, amount=10000))
     recipe.make(club=clubs[0], quantity=2, unit_price=200)

counter/views/admin.py

@@ -12,7 +12,7 @@
 # OR WITHIN THE LOCAL FILE "LICENSE"
 #
 #
-from datetime import datetime, timedelta
+from datetime import timedelta
 
 from django.conf import settings
 from django.contrib.auth.mixins import PermissionRequiredMixin, UserPassesTestMixin
@@ -23,7 +23,6 @@ from django.forms.models import modelform_factory
 from django.shortcuts import get_object_or_404
 from django.urls import reverse, reverse_lazy
 from django.utils import timezone
-from django.utils.timezone import get_current_timezone
 from django.utils.translation import gettext as _
 from django.views.generic import DetailView, ListView, TemplateView
 from django.views.generic.edit import CreateView, DeleteView, FormView, UpdateView
@@ -286,13 +285,7 @@ class CounterStatView(PermissionRequiredMixin, DetailView):
     def get_context_data(self, **kwargs):
         """Add stats to the context."""
         counter: Counter = self.object
-        start_date = get_start_of_semester()
-        semester_start = datetime(
-            start_date.year,
-            start_date.month,
-            start_date.day,
-            tzinfo=get_current_timezone(),
-        )
+        semester_start = get_start_of_semester()
         office_hours = counter.get_top_barmen()
         kwargs = super().get_context_data(**kwargs)
         kwargs.update(

counter/views/invoice.py

@@ -12,7 +12,7 @@
 # OR WITHIN THE LOCAL FILE "LICENSE"
 #
 #
-from datetime import datetime, timezone
+from datetime import datetime
 from urllib.parse import urlencode
 
 from dateutil.relativedelta import relativedelta
@@ -63,8 +63,7 @@ class InvoiceCallView(
         """Add sums to the context."""
         kwargs = super().get_context_data(**kwargs)
         kwargs["months"] = Selling.objects.datetimes("date", "month", order="DESC")
-        month = self.get_month()
-        start_date = datetime(month.year, month.month, month.day, tzinfo=timezone.utc)
+        start_date = self.get_month()
         end_date = start_date + relativedelta(months=1)
 
         kwargs["sum_cb"] = Refilling.objects.filter(

sith/settings.py

@@ -216,7 +216,7 @@ TEMPLATES = [
         },
     },
 ]
-
+FORM_RENDERER = "django.forms.renderers.DjangoDivFormRenderer"
 
 HAYSTACK_CONNECTIONS = {
     "default": {