Allow to hide all sold out items

src/pretix/control/forms/event.py

@@ -1207,6 +1207,10 @@ class DisplaySettingsForm(SettingsForm):
         label=_("Show variations of a product expanded by default"),
         required=False
     )
+    hide_sold_out = forms.BooleanField(
+        label=_("Hide all products that are sold out"),
+        required=False
+    )
     frontpage_subevent_ordering = forms.ChoiceField(
         label=pgettext('subevent', 'Date ordering'),
         choices=[

src/pretix/control/templates/pretixcontrol/event/display.html

@@ -18,6 +18,7 @@
             {% bootstrap_field form.presale_has_ended_text layout="control" %}
             {% bootstrap_field form.voucher_explanation_text layout="control" %}
             {% bootstrap_field form.show_variations_expanded layout="control" %}
+            {% bootstrap_field form.hide_sold_out layout="control" %}
             {% bootstrap_field form.meta_noindex layout="control" %}
             {% if form.frontpage_subevent_ordering %}
                 {% bootstrap_field form.frontpage_subevent_ordering layout="control" %}

src/pretix/presale/forms/checkout.py

@@ -12,7 +12,7 @@ from django.utils.translation import ugettext_lazy as _
 from pretix.base.forms.questions import (
     BaseInvoiceAddressForm, BaseQuestionsForm,
 )
-from pretix.base.models import ItemVariation
+from pretix.base.models import ItemVariation, Quota
 from pretix.base.models.tax import TAXED_ZERO
 from pretix.base.services.cart import CartError, error_messages
 from pretix.base.signals import validate_cart_addons
@@ -171,9 +171,9 @@ class AddOnsForm(forms.Form):
                 taxes=number_format(price.rate), taxname=price.name
             )
 
-        if avail[0] < 20:
+        if avail[0] < Quota.AVAILABILITY_RESERVED:
             n += ' – {}'.format(_('SOLD OUT'))
-        elif avail[0] < 100:
+        elif avail[0] < Quota.AVAILABILITY_OK:
             n += ' – {}'.format(_('Currently unavailable'))
         else:
             if avail[1] is not None and item.do_show_quota_left:
@@ -258,6 +258,9 @@ class AddOnsForm(forms.Form):
                 choices = [('', _('no selection'), '')]
                 for v in i.available_variations:
                     cached_availability = v.check_quotas(subevent=subevent, _cache=quota_cache)
+                    if self.event.settings.hide_sold_out and cached_availability[0] < Quota.AVAILABILITY_RESERVED:
+                        continue
+
                     if v._subevent_quotas:
                         self.vars_cache[v.pk] = v
                         choices.append(
@@ -295,6 +298,8 @@ class AddOnsForm(forms.Form):
                 if not i._subevent_quotas:
                     continue
                 cached_availability = i.check_quotas(subevent=subevent, _cache=quota_cache)
+                if self.event.settings.hide_sold_out and cached_availability[0] < Quota.AVAILABILITY_RESERVED:
+                    continue
                 field = forms.BooleanField(
                     label=self._label(self.event, i, cached_availability,
                                       override_price=item_price_override.get(i.pk)),

src/pretix/presale/views/event.py

@@ -120,7 +120,10 @@ def get_grouped_items(event, subevent=None, voucher=None, channel='web', require
         max_per_order = item.max_per_order or int(event.settings.max_items_per_order)
 
         if not item.has_variations:
-            item._remove = not bool(item._subevent_quotas)
+            item._remove = False
+            if not bool(item._subevent_quotas):
+                item._remove = True
+                continue
 
             if voucher and (voucher.allow_ignore_quota or voucher.block_quota):
                 item.cached_availability = (
@@ -131,6 +134,10 @@ def get_grouped_items(event, subevent=None, voucher=None, channel='web', require
                     item.check_quotas(subevent=subevent, _cache=quota_cache, include_bundled=True)
                 )
 
+            if event.settings.hide_sold_out and item.cached_availability[0] < Quota.AVAILABILITY_RESERVED:
+                item._remove = True
+                continue
+
             item.order_max = min(
                 item.cached_availability[1]
                 if item.cached_availability[1] is not None else sys.maxsize,
@@ -203,6 +210,10 @@ def get_grouped_items(event, subevent=None, voucher=None, channel='web', require
                 )
             ]
 
+            if event.settings.hide_sold_out:
+                item.available_variations = [v for v in item.available_variations
+                                             if v.cached_availability[0] >= Quota.AVAILABILITY_RESERVED]
+
             if voucher and voucher.variation_id:
                 item.available_variations = [v for v in item.available_variations
                                              if v.pk == voucher.variation_id]