add orders list, update, create

1 files changed, 103 insertions, 0 deletions

diff --git a/core/forms.py b/core/forms.py
new file mode 100644
index 0000000..1ade0fe
--- /dev/null
+++ b/core/forms.py
@@ -0,0 +1,103 @@
+from django import forms
+from django.forms import inlineformset_factory
+
+from .models import Product, Supplier, Order, OrderItem
+from extra_views import InlineFormSetFactory
+
+class ProductForm(forms.ModelForm):
+    supplier_name = forms.CharField(label="Поставщик", required=True)
+
+    class Meta:
+        model = Product
+        fields = [
+            "article",
+            "name",
+            "unit",
+            "price",
+            "manufacturer",
+            "category",
+            "discount",
+            "quantity",
+            "description",
+            "photo",
+        ]
+        labels = {
+            "article": "Артикуль",
+            "name": "Название",
+            "unit": "Единица измерения",
+            "price": "Цена",
+            "manufacturer": "Производитель",
+            "category": "Категория",
+            "discount": "Скидка",
+            "quantity": "Колличество",
+            "description": "Описание",
+            "photo": "Фото",
+        }
+        widgets = {
+            "description": forms.Textarea(attrs={"rows": 3})
+        }
+    
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        if self.instance.pk:
+            if self.instance.supplier:
+                self.fields["supplier_name"].initial = self.instance.supplier.name
+
+    def save(self, commit=True):
+        supplier, _ = Supplier.objects.get_or_create(
+            name=self.cleaned_data["supplier_name"].strip()
+        )
+
+        instance = super().save(commit=False)
+        instance.supplier = supplier
+
+        if commit:
+            instance.save()
+
+        return instance
+
+
+    def clean_price(self):
+        price = self.cleaned_data.get("price")
+        if price < 0:
+            raise forms.ValidationError("Цена не может быть отрицательной")
+        return price
+
+    def clean_quantity(self):
+        quantity = self.cleaned_data.get("quantity")
+        if quantity < 0:
+            raise forms.ValidationError("Колличество не может быть отрицательной")
+        return quantity
+
+
+class OrderForm(forms.ModelForm):
+    class Meta:
+        model = Order
+        fields = [
+            "delivery_date",
+            "pickup_point",
+            "pickup_code",
+            "status",
+        ]
+
+        labels = {
+            "order_date": "Дата заказа",
+            "delivery_date": "Дата доставки",
+            "pickup_point": "Пункт выдачи",
+            "client_name": "Имя клиента",
+            "pickup_code": "Код выдачи",
+            "status": "Статус",
+            "items": "Продукты",
+        }
+        widgets = {
+            "delivery_date": forms.SelectDateWidget
+        }
+
+class OrderItemFormSet(InlineFormSetFactory):
+    model = OrderItem
+    fields = ["product", "count"]
+    factory_kwargs = {
+        "extra": 1,
+        "can_delete": True,
+        "labels": {"product": "Продукт", "count": "Количество"}
+    }