Add dynamic adding imagefields

vagus/camper/forms.py

@@ -1,7 +1,9 @@
 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)
@@ -12,9 +14,19 @@ class OfferCreateForm(forms.ModelForm):
 
 class OfferImageCreateForm(forms.ModelForm):
     image = forms.ImageField()
-    
     class Meta:
         model = Image_offer
         fields = ('image','main_image')
 
-OfferImageFormSet = formset_factory(OfferImageCreateForm, extra = 2, max_num = 2)
+class BaseOfferImageFormSet(BaseFormSet):
+    def clean(self):
+        if any(self.errors):
+            return
+        count = 0
+        for form in self.forms:
+            if form.cleaned_data['main_image']:
+                count += 1
+                if count > 1:
+                    raise forms.ValidationError(_("Mozna ustawić tylko jedno zdjecie jako miniaturka."))
+
+OfferImageFormSet = formset_factory(OfferImageCreateForm,formset = BaseOfferImageFormSet)

vagus/camper/models.py

@@ -93,12 +93,15 @@ def _upload_path(instance,filename):
 
 class Image_offer(models.Model):
     offer = models.ForeignKey("Offer", verbose_name="", on_delete = models.CASCADE, default=None, related_name='images')
-    image = models.ImageField(upload_to=_upload_path, null = True, blank = True)
+    image = models.ImageField(upload_to=_upload_path, null = False, blank = False)
     main_image = models.BooleanField(default= False)
 
     def get_upload_path(self,filename):
         return "uploads/offer-images"+ "/" + 'id-'+str(self.offer.id) + "/" +filename
         
+    def delete(self,*args,**kwargs):
+        self.image.delete()
+        return super(Image_offer,self).save(*args,**kwargs)
         
 class Favourite_Offers(models.Model):
     user = models.ForeignKey('users.Base_User', on_delete=models.CASCADE,)

vagus/camper/views/create_offer.py

@@ -72,13 +72,13 @@ class CreateOffer(CreateView):
                             except Exception:
                                 offer.status = 'Inactive'
                                 offer.save()
-                                messages.success(request,'Dodaj zdjęcia aby przesłać ofertę do weryfikacji')   
-                                return redirect('/') #Redirect to offer page or user's offers list
+                                messages.error(request,'Dodaj zdjęcia aby przesłać ofertę do weryfikacji')   
+                                return redirect('/') #Redirect to offe-update-page or user's offers list
 
                         messages.success(request,'Oferta utworzona i przesłana do weryfikacji')
                         return redirect('/') #Redirect to offer page or user's offers list
                     else:
-                        messages.warning(request, 'Wprowadzone dane są nieprawidłowe.')
+                        messages.error(request, 'Wprowadzone dane są nieprawidłowe.')
                         return render(request,'offer/add-offer.html', {'form': form, 'formset': formset} )
             else:
                     form = OfferCreateForm()
@@ -87,4 +87,12 @@ class CreateOffer(CreateView):
 
         else:
             messages.error(request, 'Nie masz uprawnień!')
-            return redirect('/') #Redirect to login / register page for owner
+            return redirect('/') #Redirect to login / register page for owner
+
+
+class EditOffer(UpdateView):
+    
+    def get(self,request,*args, **kwargs):
+        pass
+    def post(self,request,*args,**kwargs):
+        pass