Add Item.issue_giftcard

doc/api/resources/items.rst

@@ -77,6 +77,7 @@ generate_tickets                      boolean                    If ``false``, t
                                                                  rules apply.
 allow_waitinglist                     boolean                    If ``false``, no waiting list will be shown for this
                                                                  product when it is sold out.
+issue_giftcard                        boolean                    If ``true``, buying this product will yield a gift card.
 show_quota_left                       boolean                    Publicly show how many tickets are still available.
                                                                  If this is ``null``, the event default is used.
 has_variations                        boolean                    Shows whether or not this item has variations.
@@ -206,6 +207,7 @@ Endpoints
             "tax_rate": "0.00",
             "tax_rule": 1,
             "admission": false,
+            "issue_giftcard": false,
             "position": 0,
             "picture": null,
             "available_from": null,
@@ -300,6 +302,7 @@ Endpoints
         "tax_rate": "0.00",
         "tax_rule": 1,
         "admission": false,
+        "issue_giftcard": false,
         "position": 0,
         "picture": null,
         "available_from": null,
@@ -375,6 +378,7 @@ Endpoints
         "tax_rate": "0.00",
         "tax_rule": 1,
         "admission": false,
+        "issue_giftcard": false,
         "position": 0,
         "picture": null,
         "available_from": null,
@@ -437,6 +441,7 @@ Endpoints
         "tax_rate": "0.00",
         "tax_rule": 1,
         "admission": false,
+        "issue_giftcard": false,
         "position": 0,
         "picture": null,
         "available_from": null,
@@ -531,6 +536,7 @@ Endpoints
         "tax_rate": "0.00",
         "tax_rule": 1,
         "admission": false,
+        "issue_giftcard": false,
         "position": 0,
         "picture": null,
         "available_from": null,

src/pretix/api/serializers/item.py

@@ -119,7 +119,7 @@ class ItemSerializer(I18nAwareModelSerializer):
                   'require_voucher', 'hide_without_voucher', 'allow_cancel', 'require_bundling',
                   'min_per_order', 'max_per_order', 'checkin_attention', 'has_variations', 'variations',
                   'addons', 'bundles', 'original_price', 'require_approval', 'generate_tickets',
-                  'show_quota_left', 'hidden_if_available', 'allow_waitinglist')
+                  'show_quota_left', 'hidden_if_available', 'allow_waitinglist', 'issue_giftcard')
         read_only_fields = ('has_variations', 'picture')
 
     def get_serializer_context(self):

src/pretix/base/migrations/0138_auto_20190918_1910.py

@@ -0,0 +1,20 @@
+# Generated by Django 2.2.1 on 2019-09-18 19:10
+
+from django.db import migrations, models
+import django.db.models.deletion
+import pretix.base.models.fields
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('pretixbase', '0137_auto_20190918_1820'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='item',
+            name='issue_giftcard',
+            field=models.BooleanField(default=False),
+        ),
+    ]

src/pretix/base/models/items.py

@@ -242,6 +242,8 @@ class Item(LoggedModel):
     :type require_approval: bool
     :param sales_channels: Sales channels this item is available on.
     :type sales_channels: bool
+    :param issue_giftcard: If ``True``, buying this product will give you a gift card with the value of the product's price
+    :type issue_giftcard: bool
     """
 
     objects = ItemQuerySetManager()
@@ -413,6 +415,12 @@ class Item(LoggedModel):
         verbose_name=_('Sales channels'),
         default=['web']
     )
+    issue_giftcard = models.BooleanField(
+        verbose_name=_('This product is a gift card'),
+        help_text=_('When a customer buys this product, they will get a gift card with a value corresponding to the '
+                    'product price.'),
+        default=False
+    )
     # !!! Attention: If you add new fields here, also add them to the copying code in
     # pretix/control/forms/item.py if applicable.
 

src/pretix/control/forms/item.py

@@ -421,6 +421,16 @@ class ItemUpdateForm(I18nModelForm):
         self.fields['hidden_if_available'].widget.choices = self.fields['hidden_if_available'].choices
         self.fields['hidden_if_available'].required = False
 
+    def clean(self):
+        d = super().clean()
+        if d['issue_giftcard']:
+            if d['tax_rule'] and d['tax_rule'].rate > 0:
+                self.add_error(
+                    'tax_rule',
+                    _("Gift card products should not be associated with non-zero tax rates since sales tax will be applied when the gift card is redeemed.")
+                )
+        return d
+
     class Meta:
         model = Item
         localized_fields = '__all__'
@@ -451,6 +461,7 @@ class ItemUpdateForm(I18nModelForm):
             'require_bundling',
             'show_quota_left',
             'hidden_if_available',
+            'issue_giftcard',
         ]
         field_classes = {
             'available_from': SplitDateTimeField,

src/pretix/control/templates/pretixcontrol/item/index.html

@@ -55,6 +55,7 @@
                     </fieldset>
                     <fieldset>
                         <legend>{% trans "Additional settings" %}</legend>
+                        {% bootstrap_field form.issue_giftcard layout="control" %}
                         {% bootstrap_field form.show_quota_left layout="control" %}
                         {% for f in plugin_forms %}
                             {% bootstrap_form f layout="control" %}

src/tests/api/test_items.py

@@ -223,6 +223,7 @@ TEST_ITEM_RES = {
     "tax_rate": "0.00",
     "tax_rule": None,
     "admission": False,
+    "issue_giftcard": False,
     "position": 0,
     "generate_tickets": None,
     "allow_waitinglist": True,
@@ -391,6 +392,7 @@ def test_item_create(token_client, organizer, event, item, category, taxrule):
             "tax_rate": "19.00",
             "tax_rule": taxrule.pk,
             "admission": True,
+            "issue_giftcard": False,
             "position": 0,
             "picture": None,
             "available_from": None,
@@ -426,6 +428,7 @@ def test_item_create_with_variation(token_client, organizer, event, item, catego
             "tax_rate": "19.00",
             "tax_rule": taxrule.pk,
             "admission": True,
+            "issue_giftcard": True,
             "position": 0,
             "picture": None,
             "available_from": None,
@@ -476,6 +479,7 @@ def test_item_create_with_addon(token_client, organizer, event, item, category,
             "tax_rate": "19.00",
             "tax_rule": taxrule.pk,
             "admission": True,
+            "issue_giftcard": True,
             "position": 0,
             "picture": None,
             "available_from": None,
@@ -520,6 +524,7 @@ def test_item_create_with_addon(token_client, organizer, event, item, category,
             "tax_rate": "19.00",
             "tax_rule": taxrule.pk,
             "admission": True,
+            "issue_giftcard": True,
             "position": 0,
             "picture": None,
             "available_from": None,
@@ -562,6 +567,7 @@ def test_item_create_with_addon(token_client, organizer, event, item, category,
             "tax_rate": "19.00",
             "tax_rule": taxrule.pk,
             "admission": True,
+            "issue_giftcard": True,
             "position": 0,
             "picture": None,
             "available_from": None,
@@ -604,6 +610,7 @@ def test_item_create_with_addon(token_client, organizer, event, item, category,
             "tax_rate": "19.00",
             "tax_rule": taxrule.pk,
             "admission": True,
+            "issue_giftcard": True,
             "position": 0,
             "picture": None,
             "available_from": None,
@@ -654,6 +661,7 @@ def test_item_create_with_bundle(token_client, organizer, event, item, category,
             "tax_rate": "19.00",
             "tax_rule": taxrule.pk,
             "admission": True,
+            "issue_giftcard": True,
             "position": 0,
             "picture": None,
             "available_from": None,
@@ -699,6 +707,7 @@ def test_item_create_with_bundle(token_client, organizer, event, item, category,
             "tax_rate": "19.00",
             "tax_rule": taxrule.pk,
             "admission": True,
+            "issue_giftcard": True,
             "position": 0,
             "picture": None,
             "available_from": None,