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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"}
}
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