Add configurable per-gallery public access

photologue/models.py

@@ -174,6 +174,11 @@ class Gallery(models.Model):
         verbose_name=_("photos"),
         blank=True,
     )
+    is_public = models.BooleanField(
+        _("is public"),
+        default=False,
+        help_text=_("Public galleries can be accessed without being logged in."),
+    )
 
     class Meta:
         ordering = ["-date_start"]