Add hidden questions

src/pretix/base/migrations/0119_auto_20190509_0654.py

@@ -0,0 +1,21 @@
+# Generated by Django 2.2 on 2019-05-09 06:54
+
+from django.db import migrations, models
+import django.db.models.deletion
+import jsonfallback.fields
+import pretix.base.models.fields
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('pretixbase', '0118_auto_20190423_0839'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='question',
+            name='hidden',
+            field=models.BooleanField(default=False, help_text='This question will only show up in the backend.', verbose_name='Hidden question'),
+        ),
+    ]

src/pretix/base/models/items.py

@@ -893,6 +893,8 @@ class Question(LoggedModel):
     :param items: A set of ``Items`` objects that this question should be applied to
     :param ask_during_checkin: Whether to ask this question during check-in instead of during check-out.
     :type ask_during_checkin: bool
+    :param hidden: Whether to only show the question in the backend
+    :type hidden: bool
     :param identifier: An arbitrary, internal identifier
     :type identifier: str
     :param dependency_question: This question will only show up if the referenced question is set to `dependency_value`.
@@ -968,6 +970,11 @@ class Question(LoggedModel):
                     'pretixdesk 0.2 or newer.'),
         default=False
     )
+    hidden = models.BooleanField(
+        verbose_name=_('Hidden question'),
+        help_text=_('This question will only show up in the backend.'),
+        default=False
+    )
     dependency_question = models.ForeignKey(
         'Question', null=True, blank=True, on_delete=models.SET_NULL, related_name='dependent_questions'
     )

src/pretix/base/models/orders.py

@@ -976,7 +976,8 @@ class AbstractPosition(models.Model):
             if hasattr(self.item, 'questions_to_ask'):
                 questions = list(copy.copy(q) for q in self.item.questions_to_ask)
             else:
-                questions = list(copy.copy(q) for q in self.item.questions.filter(ask_during_checkin=False))
+                questions = list(copy.copy(q) for q in self.item.questions.filter(ask_during_checkin=False,
+                                                                                  hidden=False))
         else:
             questions = list(copy.copy(q) for q in self.item.questions.all())