Allow duplicate gallery names

photologue/forms.py

@@ -120,12 +120,6 @@ class UploadForm(forms.Form):
             Submit("submit", _("Upload"), css_class="btn btn-success mt-2"),
         )
 
-    def clean_new_gallery_title(self):
-        title = self.cleaned_data["new_gallery_title"]
-        if title and Gallery.objects.filter(title=title).exists():
-            raise forms.ValidationError(_("A gallery with that title already exists."))
-        return title
-
     def clean(self):
         cleaned_data = super().clean()
 
@@ -148,9 +142,15 @@ class UploadForm(forms.Form):
         if not gallery:
             # Create new gallery
             title = self.cleaned_data.get("new_gallery_title")
+            base_slug = slugify(title)
+            slug = base_slug
+            counter = 2
+            while Gallery.objects.filter(slug=slug).exists():
+                slug = f"{base_slug}-{counter}"
+                counter += 1
             gallery = Gallery.objects.create(
                 title=title,
-                slug=slugify(title),
+                slug=slug,
                 date_start=self.cleaned_data["new_gallery_date_start"],
                 date_end=self.cleaned_data["new_gallery_date_end"],
                 description=self.cleaned_data["new_gallery_description"],