Add use_stocks field

gestion/admin.py

@@ -59,10 +59,10 @@ class ProductAdmin(SimpleHistoryAdmin):
     """
     The admin class for :class:`Products <gestion.models.Product>`.
     """
-    list_display = ('name', 'amount', 'is_active', 'category', 'adherentRequired', 'stock', 'volume', 'deg')
+    list_display = ('name', 'amount', 'is_active', 'category', 'adherentRequired', 'stock', 'volume', 'deg', 'use_stocks')
     ordering = ('name', 'amount', 'stock', 'deg')
     search_fields = ('name',)
-    list_filter = ('is_active', 'adherentRequired', 'category')
+    list_filter = ('is_active', 'adherentRequired', 'category', 'use_stocks')
 
 class ReloadAdmin(SimpleHistoryAdmin):
     """

gestion/forms.py

@@ -54,7 +54,7 @@ class KegForm(forms.ModelForm):
 
     category = forms.ModelChoiceField(queryset=Category.objects.all(), label="Catégorie")
     deg = forms.DecimalField(max_digits=5, decimal_places=2, label="Degré", validators=[MinValueValidator(0)])
-    create_galopin = forms.BooleanField(label="Créer le produit galopin ?")
+    create_galopin = forms.BooleanField(required=False, label="Créer le produit galopin ?")
 
     def clean(self):
         cleaned_data = super().clean()

gestion/models.py

@@ -26,6 +26,13 @@ class Category(models.Model):
         Return active producs of this category
         """
         return self.product_set.filter(is_active=True)
+    
+    @property
+    def active_stock_products(self):
+        """
+        Return active products that use stocks
+        """
+        return self.product_set.filter(is_active=True).filter(use_stocks=True)
 
 class Product(models.Model):
     """
@@ -87,6 +94,7 @@ class Product(models.Model):
     On the graphs on :func:`users.views.profile` view, the number of total consumptions is divised by the showingMultiplier
     """
     draft_category = models.IntegerField(choices=DRAFT_TYPES, default=DRAFT_NONE, verbose_name="Type de pression")
+    use_stocks = models.BooleanField(default=True, verbose_name="Utiliser les stocks ?")
     history = HistoricalRecords()
 
     def __str__(self):

gestion/templates/gestion/product_profile.html

@@ -19,5 +19,6 @@
         <strong>Actif</strong> : {{ product.is_active | yesno:"Oui, Non"}}<br>
         <strong>Dégré</strong> : {{ product.deg }}<br>
         <strong>Volume</strong> : {{ product.volume }}cl<br>
+        <strong>Utiliser les stocks</strong> : {{product.use_stocks|yesno:"Oui,Non"}}<br>
 </section>
 {% endblock %}

gestion/templates/gestion/stocks.html

@@ -24,7 +24,7 @@
 				</tr>
 			</thead>
 			<tbody>
-				{% for product in category.active_products %}
+				{% for product in category.active_stock_products %}
 				<tr id="tr-{{product.pk}}">
 					<td><a href="{% url 'gestion:productProfile' product.pk %}">{{ product.name }}</a></td>
 					<td id="stock-{{product.pk}}">{{ product.stock }}</td>

gestion/views.py

@@ -160,7 +160,7 @@ def order(request):
                         kegHistory.quantitySold += Decimal(quantity * 0.125)
                         kegHistory.amountSold += Decimal(quantity * product.amount)
                         kegHistory.save()
-                    else:
+                    if product.use_stocks:
                         if(product.stock > quantity):
                             product.stock -= quantity
                             product.save()
@@ -197,11 +197,36 @@ def order(request):
                         consumption, _ = Consumption.objects.get_or_create(customer=user, product=article)
                         consumption.quantity += quantity
                         consumption.save()
-                        if(article.stock > quantity):
-                            article.stock -= quantity
-                            article.save()
-                        else:
-                            raise Exception("Le stock du produit " + article.name + "n'autorise pas l'opération")
+                        if(article.draft_category == Product.DRAFT_PINTE):
+                            keg = get_object_or_404(Keg, pinte=article)
+                            if(not keg.is_active):
+                                raise Exception("Fût non actif")
+                            kegHistory = get_object_or_404(KegHistory, keg=keg, isCurrentKegHistory=True)
+                            kegHistory.quantitySold += Decimal(quantity * 0.5)
+                            kegHistory.amountSold += Decimal(quantity * product.amount)
+                            kegHistory.save()
+                        elif(article.draft_category == Product.DRAFT_DEMI):
+                            keg = get_object_or_404(Keg, demi=article)
+                            if(not keg.is_active):
+                                raise Exception("Fût non actif")
+                            kegHistory = get_object_or_404(KegHistory, keg=keg, isCurrentKegHistory=True)
+                            kegHistory.quantitySold += Decimal(quantity * 0.25)
+                            kegHistory.amountSold += Decimal(quantity * product.amount)
+                            kegHistory.save()
+                        elif(article.draft_category == Product.DRAFT_GALOPIN):
+                            keg = get_object_or_404(Keg, galopin=article)
+                            if(not keg.is_active):
+                                raise Exception("Fût non actif")
+                            kegHistory = get_object_or_404(KegHistory, keg=keg, isCurrentKegHistory=True)
+                            kegHistory.quantitySold += Decimal(quantity * 0.125)
+                            kegHistory.amountSold += Decimal(quantity * product.amount)
+                            kegHistory.save()
+                        if article.use_stocks:
+                            if(article.stock > quantity):
+                                article.stock -= quantity
+                                article.save()
+                            else:
+                                raise Exception("Le stock du produit " + article.name + "n'autorise pas l'opération")
                         user.profile.alcohol += Decimal(quantity * float(product.deg) * product.volume * 0.79 /10 /1000)
                 user.save()
                 return HttpResponse("La commande a bien été effectuée")
@@ -296,8 +321,9 @@ def cancel_consumption(request, pk):
     consumptionT = Consumption.objects.get(customer=user, product=consumption.product)
     consumptionT.quantity -= consumption.quantity
     consumptionT.save()
-    product.stock += consumption.quantity
-    product.save()
+    if product.use_stocks:
+        product.stock += consumption.quantity
+        product.save()
     consumption.delete()
     messages.success(request, "La consommation a bien été annulée")
     return redirect(reverse('users:profile', kwargs={'pk': user.pk}))
@@ -467,8 +493,9 @@ class ActiveProductsAutocomplete(autocomplete.Select2QuerySetView):
 def update_stock(request, pk):
     product = get_object_or_404(Product, pk=pk)
     if("stock" in request.GET):
-        product.stock = request.GET.get("stock")
-        product.save()
+        if product.use_stocks:
+            product.stock = request.GET.get("stock")
+            product.save()
     return HttpResponse("Le stock a bien été mis à jour")
 
 @active_required
@@ -492,8 +519,12 @@ def addKeg(request):
     """
     form = KegForm(request.POST or None)
     if form.is_valid():
+        try:
+            price_profile = PriceProfile.objects.get(use_for_draft=True)
+        except:
+            messages.error(request, "Il n'y a pas de profil de prix pour les pressions")
+            return redirect(reverse('preferences:priceProfilesIndex'))
         keg = form.save(commit=False)
-        price_profile = get_object_or_404(PriceProfile, use_for_draft=True)
         pinte_price = compute_price(form.cleaned_data["amount"]/(2*form.cleaned_data["capacity"]), price_profile.a, price_profile.b, price_profile.c, price_profile.alpha)
         pinte_price = ceil(10*pinte_price)/10
         name = form.cleaned_data["name"][4:]
@@ -509,7 +540,8 @@ def addKeg(request):
             deg = form.cleaned_data["deg"],
             adherentRequired = True,
             showingMultiplier = 1,
-            draft_category = Product.DRAFT_PINTE
+            draft_category = Product.DRAFT_PINTE,
+            use_stocks=False,
         )
         pinte.save()
         keg.pinte = pinte
@@ -524,7 +556,8 @@ def addKeg(request):
             deg = form.cleaned_data["deg"],
             adherentRequired = True,
             showingMultiplier = 1,
-            draft_category = Product.DRAFT_DEMI
+            draft_category = Product.DRAFT_DEMI,
+            use_stocks=False,
         )
         demi.save()
         keg.demi = demi
@@ -540,7 +573,8 @@ def addKeg(request):
                 deg = form.cleaned_data["deg"],
                 adherentRequired = True,
                 showingMultiplier = 1,
-                draft_category = Product.DRAFT_DEMI
+                draft_category = Product.DRAFT_DEMI,
+                use_stocks=False,
             )
             galopin.save()
             keg.galopin = galopin