fix: Resolve multiple exporter failures after database migration

app/eventyay/base/exporter.py

@@ -345,10 +345,11 @@ def _render_xlsx(self, form_data, output_file=None):
                 )
 
     def render(self, form_data: dict, output_file=None) -> Tuple[str, str, bytes]:
-        if form_data.get('_format') == 'xlsx':
+        format_value = form_data.get('_format')
+        if format_value == 'xlsx':
             return self._render_xlsx(form_data, output_file=output_file)
-        elif ':' in form_data.get('_format'):
-            sheet, f = form_data.get('_format').split(':')
+        elif format_value and ':' in format_value:
+            sheet, f = format_value.split(':')
             if f == 'default':
                 return self._render_sheet_csv(
                     form_data,

app/eventyay/base/exporters/dekodi.py

@@ -23,7 +23,7 @@ class DekodiNREIExporter(BaseExporter):
 
     def _encode_invoice(self, invoice: Invoice):
         p_last = invoice.order.payments.filter(
-            state=[
+            state__in=[
                 OrderPayment.PAYMENT_STATE_CONFIRMED,
                 OrderPayment.PAYMENT_STATE_REFUNDED,
             ]

app/eventyay/base/exporters/json.py

@@ -54,7 +54,7 @@ def render(self, form_data):
                             for variation in item.variations.all()
                         ],
                     }
-                    for item in self.event.items.select_related('tax_rule').prefetch_related('variations')
+                    for item in self.event.products.select_related('tax_rule').prefetch_related('variations')
                 ],
                 'questions': [
                     {
@@ -83,7 +83,7 @@ def render(self, form_data):
                         'positions': [
                             {
                                 'id': position.id,
-                                'item': position.item_id,
+                                'item': position.product_id,
                                 'variation': position.variation_id,
                                 'price': position.price,
                                 'attendee_name': position.attendee_name,
@@ -107,10 +107,10 @@ def render(self, form_data):
                     {
                         'id': quota.id,
                         'size': quota.size,
-                        'items': [item.id for item in quota.items.all()],
+                        'items': [item.id for item in quota.products.all()],
                         'variations': [variation.id for variation in quota.variations.all()],
                     }
-                    for quota in self.event.quotas.all().prefetch_related('items', 'variations')
+                    for quota in self.event.quotas.all().prefetch_related('products', 'variations')
                 ],
             }
         }

app/eventyay/base/exporters/orderlist.py

@@ -290,7 +290,7 @@ def iterate_orders(self, form_data: dict):
 
         qs = self._date_filter(qs, form_data, rel='')
 
-        if form_data['paid_only']:
+        if form_data.get('paid_only', True):
             qs = qs.filter(status=Order.STATUS_PAID)
         tax_rates = self._get_all_tax_rates(qs)
 
@@ -498,7 +498,7 @@ def iterate_fees(self, form_data: dict):
             )
             .select_related('order', 'order__invoice_address', 'tax_rule')
         )
-        if form_data['paid_only']:
+        if form_data.get('paid_only', True):
             qs = qs.filter(order__status=Order.STATUS_PAID)
 
         qs = self._date_filter(qs, form_data, rel='order__')
@@ -614,14 +614,14 @@ def iterate_positions(self, form_data: dict):
             .select_related(
                 'order',
                 'order__invoice_address',
-                'item',
+                'product',
                 'variation',
                 'voucher',
                 'tax_rule',
             )
             .prefetch_related('answers', 'answers__question', 'answers__options')
         )
-        if form_data['paid_only']:
+        if form_data.get('paid_only', True):
             qs = qs.filter(order__status=Order.STATUS_PAID)
 
         qs = self._date_filter(qs, form_data, rel='order__')
@@ -678,7 +678,7 @@ def iterate_positions(self, form_data: dict):
         for q in questions:
             if q.type == Question.TYPE_CHOICE_MULTIPLE:
                 options[q.pk] = []
-                if form_data['group_multiple_choice']:
+                if form_data.get('group_multiple_choice', False):
                     for o in q.options.all():
                         options[q.pk].append(o)
                     headers.append(str(q.question))
@@ -750,7 +750,7 @@ def iterate_positions(self, form_data: dict):
                         row.append('')
                         row.append('')
                 row += [
-                    str(op.item),
+                    str(op.product),
                     str(op.variation) if op.variation else '',
                     op.price,
                     op.tax_rate,
@@ -797,7 +797,7 @@ def iterate_positions(self, form_data: dict):
                         acache[a.question_id] = str(a)
                 for q in questions:
                     if q.type == Question.TYPE_CHOICE_MULTIPLE:
-                        if form_data['group_multiple_choice']:
+                        if form_data.get('group_multiple_choice', False):
                             row.append(
                                 ', '.join(str(o.answer) for o in options[q.pk] if o.pk in acache.get(q.pk, set()))
                             )

app/eventyay/base/exporters/waitinglist.py

@@ -71,7 +71,7 @@ def iterate_list(self, form_data):
             WaitingListEntry.objects.filter(
                 event__in=self.events,
             )
-            .select_related('item', 'variation', 'voucher', 'subevent')
+            .select_related('product', 'variation', 'voucher', 'subevent')
             .order_by('created')
         )
 
@@ -118,16 +118,16 @@ def iterate_list(self, form_data):
             datetime_format = '%Y-%m-%d %H:%M:%S %Z'
 
             row = [
-                entry.created.astimezone(tz).strftime(datetime_format),  # alternative: .isoformat(),
-                entry.name,
-                entry.email,
-                entry.phone,
-                str(entry.item) if entry.item else '',
-                str(entry.variation) if entry.variation else '',
-                entry.event.slug,
-                entry.event.name,
-                entry.subevent.name if entry.subevent else '',
-                event_for_date_columns.date_from.astimezone(tz).strftime(datetime_format),
+            entry.created.astimezone(tz).strftime(datetime_format),  # alternative: .isoformat(),
+            entry.name,
+            entry.email,
+            entry.phone,
+            str(entry.product) if entry.product else '',
+            str(entry.variation) if entry.variation else '',
+            entry.event.slug,
+            entry.event.name,
+            entry.subevent.name if entry.subevent else '',
+            event_for_date_columns.date_from.astimezone(tz).strftime(datetime_format),
                 event_for_date_columns.date_to.astimezone(tz).strftime(datetime_format)
                 if event_for_date_columns.date_to
                 else '',

app/eventyay/base/services/export.py

@@ -57,6 +57,14 @@ def set_progress(val):
                         'Your data table is too big for a PDF page. Please reduce the amount of data you are exporting.'
                     )
                     raise ExportError(msg) from e
+                except Exception as e:
+                    logger.exception(f'Error during export with provider {provider}.')
+                    # Provide specific error message based on exception type
+                    error_msg = str(e) if str(e) else type(e).__name__
+                    msg = gettext(
+                        'An error occurred while generating your export: {error}. Please try again or contact support if the problem persists.'
+                    ).format(error=error_msg)
+                    raise ExportError(msg) from e
                 if d is None:
                     raise ExportError(gettext('Your export did not contain any data.'))
                 file.filename, file.type, data = d
@@ -113,7 +121,21 @@ def set_progress(val):
                 continue
             ex = response(events, set_progress)
             if ex.identifier == provider:
-                d = ex.render(form_data)
+                try:
+                    d = ex.render(form_data)
+                except LayoutError as e:
+                    logger.exception('Error while making PDF.')
+                    msg = gettext(
+                        'Your data table is too big for a PDF page. Please reduce the amount of data you are exporting.'
+                    )
+                    raise ExportError(msg) from e
+                except Exception as e:
+                    logger.exception(f'Error during multi-event export with provider {provider}.')
+                    error_msg = str(e) if str(e) else type(e).__name__
+                    msg = gettext(
+                        'An error occurred while generating your export: {error}. Please try again or contact support if the problem persists.'
+                    ).format(error=error_msg)
+                    raise ExportError(msg) from e
                 if d is None:
                     raise ExportError(gettext('Your export did not contain any data.'))
                 file.filename, file.type, data = d

app/eventyay/config/settings.py

@@ -380,6 +380,9 @@ def instance_name(request):
     }
 }
 
+# Feature flag for JSON field support (PostgreSQL only)
+JSON_FIELD_AVAILABLE = DATABASES['default']['ENGINE'].split('.')[-1] == 'postgresql'
+
 
 AUTHENTICATION_BACKENDS = (
     'rules.permissions.ObjectPermissionBackend',

app/eventyay/plugins/badges/exporters.py

@@ -232,6 +232,9 @@ def render_page(positions):
     if pagebuffer:
         render_page(pagebuffer)
 
+    if not any:
+        raise OrderError(_('None of the selected products is configured to print badges.'))
+
     output_pdf_writer.add_metadata(
         {
             '/Title': 'Badges',
@@ -240,8 +243,6 @@ def render_page(positions):
     )
     output_pdf_writer.write(outbuffer)
     outbuffer.seek(0)
-    if not any:
-        raise OrderError(_('None of the selected products is configured to print badges.'))
     return outbuffer
 
 

app/eventyay/plugins/checkinlists/exporters.py

@@ -185,7 +185,7 @@ def _get_queryset(self, cl, form_data):
             )
             .select_related(
                 'order',
-                'item',
+                'product',
                 'variation',
                 'addon_to',
                 'order__invoice_address',
@@ -195,7 +195,7 @@ def _get_queryset(self, cl, form_data):
         )
 
         if not cl.all_products:
-            qs = qs.filter(item__in=cl.limit_products.values_list('id', flat=True))
+            qs = qs.filter(product__in=cl.limit_products.values_list('id', flat=True))
 
         if cl.subevent:
             qs = qs.filter(subevent=cl.subevent)
@@ -311,9 +311,14 @@ def pagesize(self):
         return pagesizes.landscape(pagesizes.A4)
 
     def get_story(self, doc, form_data):
+        if 'list' not in form_data or not form_data['list']:
+            # Return empty story instead of None
+            from reportlab.platypus import Paragraph
+            return [Paragraph("No check-in list selected.", self.get_style())]
+
         cl = self.event.checkin_lists.get(pk=form_data['list'])
 
-        questions = tuple(Question.objects.filter(event=self.event, id__in=form_data['questions']))
+        questions = tuple(Question.objects.filter(event=self.event, id__in=form_data.get('questions', [])))
 
         headlinestyle = self.get_style()
         headlinestyle.fontSize = 15
@@ -698,12 +703,12 @@ def iterate_list(self, form_data):
         if form_data.get('list'):
             qs = qs.filter(list_id=form_data.get('list'))
         if form_data.get('items'):
-            qs = qs.filter(position__item_id__in=form_data['items'])
+            qs = qs.filter(position__product_id__in=form_data['items'])
 
         yield self.ProgressSetTotal(total=qs.count())
 
         qs = qs.select_related(
-            'position__item',
+            'position__product',
             'position__order',
             'position__order__invoice_address',
             'position',
@@ -724,7 +729,7 @@ def iterate_list(self, form_data):
                 ci.position.order.code,
                 ci.position.positionid,
                 ci.position.secret,
-                str(ci.position.item),
+                str(ci.position.product),
                 ci.position.attendee_name or ia.name,
                 str(ci.device),
                 _('Yes') if ci.forced else _('No'),

app/eventyay/plugins/reports/exporters.py

@@ -375,28 +375,33 @@ def _table_story(self, doc, form_data, net=False):
             if tup[0]:
                 tdata.append([Paragraph(str(tup[0].name), tstyle_bold)])
                 for l, s in states:
-                    tdata[-1].append(str(tup[0].num[l][0]))
-                    tdata[-1].append(floatformat(tup[0].num[l][2 if net else 1], places))
+                    num_data = tup[0].num.get(l, (0, 0, 0)) if hasattr(tup[0], 'num') and tup[0].num else (0, 0, 0)
+                    tdata[-1].append(str(num_data[0] if len(num_data) > 0 else 0))
+                    tdata[-1].append(floatformat(num_data[2 if net else 1] if len(num_data) > (2 if net else 1) else 0, places))
             for item in tup[1]:
                 tdata.append([str(item)])
                 for l, s in states:
-                    tdata[-1].append(str(item.num[l][0]))
-                    tdata[-1].append(floatformat(item.num[l][2 if net else 1], places))
+                    num_data = item.num.get(l, (0, 0, 0)) if hasattr(item, 'num') and item.num else (0, 0, 0)
+                    tdata[-1].append(str(num_data[0] if len(num_data) > 0 else 0))
+                    tdata[-1].append(floatformat(num_data[2 if net else 1] if len(num_data) > (2 if net else 1) else 0, places))
                 if item.has_variations:
                     for var in item.all_variations:
                         tdata.append([Paragraph('          ' + str(var), tstyle)])
                         for l, s in states:
-                            tdata[-1].append(str(var.num[l][0]))
-                            tdata[-1].append(floatformat(var.num[l][2 if net else 1], places))
+                            num_data = var.num.get(l, (0, 0, 0)) if hasattr(var, 'num') and var.num else (0, 0, 0)
+                            tdata[-1].append(str(num_data[0] if len(num_data) > 0 else 0))
+                            tdata[-1].append(floatformat(num_data[2 if net else 1] if len(num_data) > (2 if net else 1) else 0, places))
 
         tdata.append(
             [
                 _('Total'),
             ]
         )
         for l, s in states:
-            tdata[-1].append(str(total['num'][l][0]))
-            tdata[-1].append(floatformat(total['num'][l][2 if net else 1], places))
+            # Safeguard for empty data
+            num_data = total.get('num', {}).get(l, (0, 0, 0))
+            tdata[-1].append(str(num_data[0] if len(num_data) > 0 else 0))
+            tdata[-1].append(floatformat(num_data[2 if net else 1] if len(num_data) > (2 if net else 1) else 0, places))
 
         table = Table(tdata, colWidths=colwidths, repeatRows=3)
         table.setStyle(TableStyle(tstyledata))

app/eventyay/plugins/ticketoutputpdf/exporters.py

@@ -141,10 +141,12 @@ def render(self, form_data):
             )
 
         o = PdfTicketOutput(Event.objects.none())
+        any_tickets = False
         for op in qs:
             if not op.generate_ticket:
                 continue
-
+
+            any_tickets = True
             if op.order.event != o.event:
                 o = PdfTicketOutput(op.event)
 
@@ -156,6 +158,9 @@ def render(self, form_data):
                 outbuffer = o._draw_page(layout, op, op.order)
                 merger.append(ContentFile(outbuffer.read()))
 
+        if not any_tickets:
+            return None
+
         outbuffer = BytesIO()
         merger.write(outbuffer)
         merger.close()