Project_Camper/vagus/camper/forms.py

from django import forms
from django.forms import formset_factory
from .models import Offer,Offer_Category,Image_offer
from django.forms import BaseFormSet
from django.core.exceptions import ValidationError
from django.utils.translation import gettext_lazy as _

class OfferCreateForm(forms.ModelForm):
    title = forms.CharField(label = 'Offer title', max_length=50)
    price = forms.DecimalField(min_value=0.01,max_digits=10, decimal_places=2)
    class Meta:
        model = Offer
        fields = ('title','category','price','description','DMC','Places_to_sleep','cooker','fridge', 'microwave', 'Webasto', 'auto_temp_control', 'water_level_indicator', 'battery_level', 'photovoltaic_panels', 'gearbox', 'tempomat')

class OfferImageCreateForm(forms.ModelForm):
    image = forms.ImageField(required = True)
    main_image = forms.BooleanField(initial=False, required=False)
    class Meta:
        model = Image_offer
        fields = ('image','main_image')

class BaseOfferImageFormSet(BaseFormSet):
    pass
      

OfferImageFormSet = formset_factory(OfferImageCreateForm,formset = BaseOfferImageFormSet)