Check upload form

photologue_custom/forms.py

@@ -6,7 +6,11 @@ from photologue.models import Gallery
 class UploadForm(forms.Form):
     file_field = forms.FileField(
         label="",
-        widget=forms.ClearableFileInput(attrs={'multiple': True}),
+        widget=forms.FileInput(attrs={
+            'accept': 'image/*',
+            'multiple': True,
+            'class': 'mb-3',
+        }),
     )
     gallery = forms.ModelChoiceField(
         Gallery.objects.all(),
@@ -20,3 +24,23 @@ class UploadForm(forms.Form):
         max_length=250,
         required=False,
     )
+
+    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()
+
+        # Check that either an existing gallery is chosen, or new_gallery_title is filled
+        if not (bool(cleaned_data['gallery']) ^ bool(cleaned_data.get('new_gallery_title', None))):
+            raise forms.ValidationError(
+                _('Select an existing gallery, or enter a title for a new gallery.'))
+
+        return cleaned_data
+
+    def save(self, files):
+        # TODO: upload
+        print(type(files))