Allow to print event location on invoices (#2278)

Co-authored-by: Richard Schreiber <schreiber@rami.io>

src/pretix/base/exporters/invoices.py

@@ -324,7 +324,6 @@ class InvoiceDataExporter(InvoiceExporterMixin, MultiSheetListExporter):
                 _('Tax rate'),
                 _('Tax name'),
                 _('Event start date'),
-
                 _('Date'),
                 _('Order code'),
                 _('E-mail address'),
@@ -348,6 +347,8 @@ class InvoiceDataExporter(InvoiceExporterMixin, MultiSheetListExporter):
                 _('Invoice recipient:') + ' ' + _('Beneficiary'),
                 _('Invoice recipient:') + ' ' + _('Internal reference'),
                 _('Payment providers'),
+                _('Event end date'),
+                _('Location'),
             ]
 
             p_providers = OrderPayment.objects.filter(
@@ -406,7 +407,9 @@ class InvoiceDataExporter(InvoiceExporterMixin, MultiSheetListExporter):
                     ', '.join([
                         str(self.providers.get(p, p)) for p in sorted(set((l.payment_providers or '').split(',')))
                         if p and p != 'free'
-                    ])
+                    ]),
+                    date_format(l.event_date_to, "SHORT_DATE_FORMAT") if l.event_date_to else "",
+                    l.event_location or "",
                 ]
 
     @cached_property

src/pretix/base/migrations/0201_invoiceline_event_location.py

@@ -0,0 +1,18 @@
+# Generated by Django 3.2.4 on 2021-11-03 09:24
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('pretixbase', '0200_transaction'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='invoiceline',
+            name='event_location',
+            field=models.TextField(null=True),
+        ),
+    ]

src/pretix/base/models/invoices.py

@@ -329,6 +329,8 @@ class InvoiceLine(models.Model):
     :type event_date_from: datetime
     :param event_date_to: Event end date of the (sub)event at the time the invoice was created
     :type event_date_to: datetime
+    :param event_location: Event location of the (sub)event at the time the invoice was created
+    :type event_location: str
     :param item: The item this line refers to
     :type item: Item
     :param variation: The variation this line refers to
@@ -346,6 +348,7 @@ class InvoiceLine(models.Model):
     subevent = models.ForeignKey('SubEvent', null=True, blank=True, on_delete=models.PROTECT)
     event_date_from = models.DateTimeField(null=True)
     event_date_to = models.DateTimeField(null=True)
+    event_location = models.TextField(null=True, blank=True)
     item = models.ForeignKey('Item', null=True, blank=True, on_delete=models.PROTECT)
     variation = models.ForeignKey('ItemVariation', null=True, blank=True, on_delete=models.PROTECT)
     attendee_name = models.TextField(null=True, blank=True)

src/pretix/base/services/invoices.py

@@ -69,6 +69,10 @@ from pretix.helpers.models import modelcopy
 logger = logging.getLogger(__name__)
 
 
+def _location_oneliner(loc):
+    return ', '.join([l.strip() for l in loc.splitlines() if l and l.strip()])
+
+
 @transaction.atomic
 def build_invoice(invoice: Invoice) -> Invoice:
     invoice.locale = invoice.event.settings.get('invoice_language', invoice.event.settings.locale)
@@ -176,19 +180,38 @@ def build_invoice(invoice: Invoice) -> Invoice:
         reverse_charge = False
 
         positions.sort(key=lambda p: p.sort_key)
+        fees = list(invoice.order.fees.all())
+
+        locations = {
+            str((p.subevent or invoice.event).location) if (p.subevent or invoice.event).location else None
+            for p in positions
+        }
+        if fees and invoice.event.has_subevents:
+            locations.add(None)
 
         tax_texts = []
+
+        if invoice.event.settings.invoice_event_location and len(locations) == 1 and list(locations)[0] is not None:
+            tax_texts.append(pgettext("invoice", "Event location: {location}").format(
+                location=_location_oneliner(str(list(locations)[0]))
+            ))
+
         for i, p in enumerate(positions):
             if not invoice.event.settings.invoice_include_free and p.price == Decimal('0.00') and not p.addon_c:
                 continue
 
+            location = str((p.subevent or invoice.event).location) if (p.subevent or invoice.event).location else None
+
             desc = str(p.item.name)
             if p.variation:
                 desc += " - " + str(p.variation.value)
             if p.addon_to_id:
                 desc = "  + " + desc
             if invoice.event.settings.invoice_attendee_name and p.attendee_name:
-                desc += "<br />" + pgettext("invoice", "Attendee: {name}").format(name=p.attendee_name)
+                desc += "<br />" + pgettext("invoice", "Attendee: {name}").format(
+                    name=p.attendee_name
+                )
+
             for recv, resp in invoice_line_text.send(sender=invoice.event, position=p):
                 if resp:
                     desc += "<br/>" + resp
@@ -204,6 +227,12 @@ def build_invoice(invoice: Invoice) -> Invoice:
 
             if invoice.event.has_subevents:
                 desc += "<br />" + pgettext("subevent", "Date: {}").format(p.subevent)
+
+            if invoice.event.settings.invoice_event_location and location and len(locations) > 1:
+                desc += "<br />" + pgettext("invoice", "Event location: {location}").format(
+                    location=_location_oneliner(location)
+                )
+
             InvoiceLine.objects.create(
                 position=i,
                 invoice=invoice,
@@ -216,6 +245,7 @@ def build_invoice(invoice: Invoice) -> Invoice:
                 attendee_name=p.attendee_name if invoice.event.settings.invoice_attendee_name else None,
                 event_date_from=p.subevent.date_from if invoice.event.has_subevents else invoice.event.date_from,
                 event_date_to=p.subevent.date_to if invoice.event.has_subevents else invoice.event.date_to,
+                event_location=location if invoice.event.settings.invoice_event_location else None,
                 tax_rate=p.tax_rate, tax_name=p.tax_rule.name if p.tax_rule else ''
             )
 
@@ -228,7 +258,7 @@ def build_invoice(invoice: Invoice) -> Invoice:
                     tax_texts.append(tax_text)
 
         offset = len(positions)
-        for i, fee in enumerate(invoice.order.fees.all()):
+        for i, fee in enumerate(fees):
             if fee.fee_type == OrderFee.FEE_TYPE_OTHER and fee.description:
                 fee_title = fee.description
             else:
@@ -242,6 +272,12 @@ def build_invoice(invoice: Invoice) -> Invoice:
                 gross_value=fee.value,
                 event_date_from=None if invoice.event.has_subevents else invoice.event.date_from,
                 event_date_to=None if invoice.event.has_subevents else invoice.event.date_to,
+                event_location=(
+                    None if invoice.event.has_subevents
+                    else (str(invoice.event.location)
+                          if invoice.event.settings.invoice_event_location and invoice.event.location
+                          else None)
+                ),
                 tax_value=fee.tax_value,
                 tax_rate=fee.tax_rate,
                 tax_name=fee.tax_rule.name if fee.tax_rule else '',

src/pretix/base/settings.py

@@ -310,6 +310,17 @@ DEFAULTS = {
             label=_("Show attendee names on invoices"),
         )
     },
+    'invoice_event_location': {
+        'default': 'False',
+        'type': bool,
+        'form_class': forms.BooleanField,
+        'serializer_class': serializers.BooleanField,
+        'form_kwargs': dict(
+            label=_("Show event location on invoices"),
+            help_text=_("The event location will be shown below the list of products if it is the same for all "
+                        "lines. It will be shown on every line if there are different locations.")
+        )
+    },
     'invoice_eu_currencies': {
         'default': 'True',
         'type': bool,