Allow to send e-mails to attendees individually (#1299)

* .

* Add a position detail page to the frontend

* Mail templates

* Send mails

* Send reminder email

* Add position support to sendmail plugin

* Add and fix some tests

* Fix failing test on real databases

src/pretix/base/email.py

@@ -8,7 +8,7 @@ from django.template.loader import get_template
 from django.utils.translation import ugettext_lazy as _
 from inlinestyler.utils import inline_css
 
-from pretix.base.models import Event, Order
+from pretix.base.models import Event, Order, OrderPosition
 from pretix.base.signals import register_html_mail_renderers
 from pretix.base.templatetags.rich_text import markdown_compile_email
 
@@ -44,7 +44,8 @@ class BaseHTMLMailRenderer:
     def __str__(self):
         return self.identifier
 
-    def render(self, plain_body: str, plain_signature: str, subject: str, order: Order=None) -> str:
+    def render(self, plain_body: str, plain_signature: str, subject: str, order: Order=None,
+               position: OrderPosition=None) -> str:
         """
         This method should generate the HTML part of the email.
 
@@ -52,6 +53,7 @@ class BaseHTMLMailRenderer:
         :param plain_signature: The signature with event organizer contact details in plain text.
         :param subject: The email subject.
         :param order: The order if this email is connected to one, otherwise ``None``.
+        :param position: The order position if this email is connected to one, otherwise ``None``.
         :return: An HTML string
         """
         raise NotImplementedError()
@@ -95,7 +97,7 @@ class TemplateBasedMailRenderer(BaseHTMLMailRenderer):
     def template_name(self):
         raise NotImplementedError()
 
-    def render(self, plain_body: str, plain_signature: str, subject: str, order: Order) -> str:
+    def render(self, plain_body: str, plain_signature: str, subject: str, order: Order, position: OrderPosition) -> str:
         body_md = markdown_compile_email(plain_body)
         htmlctx = {
             'site': settings.PRETIX_INSTANCE_NAME,
@@ -116,6 +118,9 @@ class TemplateBasedMailRenderer(BaseHTMLMailRenderer):
         if order:
             htmlctx['order'] = order
 
+        if position:
+            htmlctx['position'] = position
+
         tpl = get_template(self.template_name)
         body_html = inline_css(tpl.render(htmlctx))
         return body_html

src/pretix/base/migrations/0122_orderposition_web_secret.py

@@ -0,0 +1,20 @@
+# Generated by Django 2.2.1 on 2019-05-15 13:23
+
+from django.db import migrations, models
+
+import pretix.base.models.orders
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('pretixbase', '0121_order_email_known_to_work'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='orderposition',
+            name='web_secret',
+            field=models.CharField(db_index=True, default=pretix.base.models.orders.generate_secret, max_length=32),
+        ),
+    ]

src/pretix/base/models/orders.py

@@ -673,7 +673,7 @@ class Order(LockModel, LoggedModel):
     def send_mail(self, subject: str, template: Union[str, LazyI18nString],
                   context: Dict[str, Any]=None, log_entry_type: str='pretix.event.order.email.sent',
                   user: User=None, headers: dict=None, sender: str=None, invoices: list=None,
-                  auth=None, attach_tickets=False):
+                  auth=None, attach_tickets=False, position: 'OrderPosition'=None):
         """
         Sends an email to the user that placed this order. Basically, this method does two things:
 
@@ -690,6 +690,9 @@ class Order(LockModel, LoggedModel):
         :param headers: Dictionary with additional mail headers
         :param sender: Custom email sender.
         :param attach_tickets: Attach tickets of this order, if they are existing and ready to download
+        :param position: An order position this refers to. If given, no invoices will be attached, the tickets will
+                         only be attached for this position and child positions, the link will only point to the
+                         position and the attendee email will be used if available.
         """
         from pretix.base.services.mail import SendMailException, mail, render_mail
 
@@ -701,12 +704,16 @@ class Order(LockModel, LoggedModel):
 
         with language(self.locale):
             recipient = self.email
+            if position and position.attendee_email:
+                recipient = position.attendee_email
+
             try:
                 email_content = render_mail(template, context)
                 mail(
                     recipient, subject, template, context,
-                    self.event, self.locale, self, headers, sender,
-                    invoices=invoices, attach_tickets=attach_tickets
+                    self.event, self.locale, self, headers=headers, sender=sender,
+                    invoices=invoices, attach_tickets=attach_tickets,
+                    position=position
                 )
             except SendMailException:
                 raise
@@ -718,6 +725,7 @@ class Order(LockModel, LoggedModel):
                     data={
                         'subject': subject,
                         'message': email_content,
+                        'position': position.positionid if position else None,
                         'recipient': recipient,
                         'invoices': [i.pk for i in invoices] if invoices else [],
                         'attach_tickets': attach_tickets,
@@ -1194,8 +1202,6 @@ class OrderPayment(models.Model):
         :raises Quota.QuotaExceededException: if the quota is exceeded and ``force`` is ``False``
         """
         from pretix.base.services.invoices import generate_invoice, invoice_qualified
-        from pretix.base.services.mail import SendMailException
-        from pretix.multidomain.urlreverse import build_absolute_uri
 
         with transaction.atomic():
             locked_instance = OrderPayment.objects.select_for_update().get(pk=self.pk)
@@ -1259,36 +1265,77 @@ class OrderPayment(models.Model):
                 )
 
         if send_mail:
-            with language(self.order.locale):
-                try:
-                    invoice_name = self.order.invoice_address.name
-                    invoice_company = self.order.invoice_address.company
-                except InvoiceAddress.DoesNotExist:
-                    invoice_name = ""
-                    invoice_company = ""
-                email_template = self.order.event.settings.mail_text_order_paid
-                email_context = {
-                    'event': self.order.event.name,
-                    'url': build_absolute_uri(self.order.event, 'presale:event.order.open', kwargs={
-                        'order': self.order.code,
-                        'secret': self.order.secret,
-                        'hash': self.order.email_confirm_hash()
-                    }),
-                    'downloads': self.order.event.settings.get('ticket_download', as_type=bool),
-                    'invoice_name': invoice_name,
-                    'invoice_company': invoice_company,
-                    'payment_info': mail_text
-                }
-                email_subject = _('Payment received for your order: %(code)s') % {'code': self.order.code}
-                try:
-                    self.order.send_mail(
-                        email_subject, email_template, email_context,
-                        'pretix.event.order.email.order_paid', user,
-                        invoices=[invoice] if invoice and self.order.event.settings.invoice_email_attachment else [],
-                        attach_tickets=True
-                    )
-                except SendMailException:
-                    logger.exception('Order paid email could not be sent')
+            self._send_paid_mail(invoice, user, mail_text)
+            if self.order.event.settings.mail_send_order_paid_attendee:
+                for p in self.order.positions.all():
+                    if p.addon_to_id is None and p.attendee_email and p.attendee_email != self.order.email:
+                        self._send_paid_mail_attendee(p, user)
+
+    def _send_paid_mail_attendee(self, position, user):
+        from pretix.base.services.mail import SendMailException
+        from pretix.multidomain.urlreverse import build_absolute_uri
+
+        with language(self.order.locale):
+            name_scheme = PERSON_NAME_SCHEMES[self.order.event.settings.name_scheme]
+            email_template = self.order.event.settings.mail_text_order_paid_attendee
+            email_context = {
+                'event': self.order.event.name,
+                'downloads': self.order.event.settings.get('ticket_download', as_type=bool),
+                'url': build_absolute_uri(self.order.event, 'presale:event.order.position', kwargs={
+                    'order': self.order.code,
+                    'secret': position.web_secret,
+                    'position': position.positionid
+                }),
+                'attendee_name': position.attendee_name,
+            }
+            for f, l, w in name_scheme['fields']:
+                email_context['attendee_name_%s' % f] = position.attendee_name_parts.get(f, '')
+
+            email_subject = _('Event registration confirmed: %(code)s') % {'code': self.order.code}
+            try:
+                self.order.send_mail(
+                    email_subject, email_template, email_context,
+                    'pretix.event.order.email.order_paid', user,
+                    invoices=[], position=position,
+                    attach_tickets=True
+                )
+            except SendMailException:
+                logger.exception('Order paid email could not be sent')
+
+    def _send_paid_mail(self, invoice, user, mail_text):
+        from pretix.base.services.mail import SendMailException
+        from pretix.multidomain.urlreverse import build_absolute_uri
+
+        with language(self.order.locale):
+            try:
+                invoice_name = self.order.invoice_address.name
+                invoice_company = self.order.invoice_address.company
+            except InvoiceAddress.DoesNotExist:
+                invoice_name = ""
+                invoice_company = ""
+            email_template = self.order.event.settings.mail_text_order_paid
+            email_context = {
+                'event': self.order.event.name,
+                'url': build_absolute_uri(self.order.event, 'presale:event.order.open', kwargs={
+                    'order': self.order.code,
+                    'secret': self.order.secret,
+                    'hash': self.order.email_confirm_hash()
+                }),
+                'downloads': self.order.event.settings.get('ticket_download', as_type=bool),
+                'invoice_name': invoice_name,
+                'invoice_company': invoice_company,
+                'payment_info': mail_text
+            }
+            email_subject = _('Payment received for your order: %(code)s') % {'code': self.order.code}
+            try:
+                self.order.send_mail(
+                    email_subject, email_template, email_context,
+                    'pretix.event.order.email.order_paid', user,
+                    invoices=[invoice] if invoice and self.order.event.settings.invoice_email_attachment else [],
+                    attach_tickets=True
+                )
+            except SendMailException:
+                logger.exception('Order paid email could not be sent')
 
     @property
     def refunded_amount(self):
@@ -1677,6 +1724,7 @@ class OrderPosition(AbstractPosition):
         verbose_name=_('Tax value')
     )
     secret = models.CharField(max_length=64, default=generate_position_secret, db_index=True)
+    web_secret = models.CharField(max_length=32, default=generate_secret, db_index=True)
     pseudonymization_id = models.CharField(
         max_length=16,
         unique=True,
@@ -1800,6 +1848,60 @@ class OrderPosition(AbstractPosition):
     def event(self):
         return self.order.event
 
+    def send_mail(self, subject: str, template: Union[str, LazyI18nString],
+                  context: Dict[str, Any]=None, log_entry_type: str='pretix.event.order.email.sent',
+                  user: User=None, headers: dict=None, sender: str=None, invoices: list=None,
+                  auth=None, attach_tickets=False):
+        """
+        Sends an email to the user that placed this order. Basically, this method does two things:
+
+        * Call ``pretix.base.services.mail.mail`` with useful values for the ``event``, ``locale``, ``recipient`` and
+          ``order`` parameters.
+
+        * Create a ``LogEntry`` with the email contents.
+
+        :param subject: Subject of the email
+        :param template: LazyI18nString or template filename, see ``pretix.base.services.mail.mail`` for more details
+        :param context: Dictionary to use for rendering the template
+        :param log_entry_type: Key to be used for the log entry
+        :param user: Administrative user who triggered this mail to be sent
+        :param headers: Dictionary with additional mail headers
+        :param sender: Custom email sender.
+        :param attach_tickets: Attach tickets of this order, if they are existing and ready to download
+        """
+        from pretix.base.services.mail import SendMailException, mail, render_mail
+
+        if not self.email:
+            return
+
+        for k, v in self.event.meta_data.items():
+            context['meta_' + k] = v
+
+        with language(self.locale):
+            recipient = self.email
+            try:
+                email_content = render_mail(template, context)
+                mail(
+                    recipient, subject, template, context,
+                    self.event, self.locale, self, headers, sender,
+                    invoices=invoices, attach_tickets=attach_tickets
+                )
+            except SendMailException:
+                raise
+            else:
+                self.log_action(
+                    log_entry_type,
+                    user=user,
+                    auth=auth,
+                    data={
+                        'subject': subject,
+                        'message': email_content,
+                        'recipient': recipient,
+                        'invoices': [i.pk for i in invoices] if invoices else [],
+                        'attach_tickets': attach_tickets,
+                    }
+                )
+
 
 class CartPosition(AbstractPosition):
     """

src/pretix/base/services/mail.py

@@ -1,5 +1,6 @@
 import logging
 import smtplib
+import warnings
 from email.utils import formataddr
 from typing import Any, Dict, List, Union
 
@@ -13,7 +14,9 @@ from i18nfield.strings import LazyI18nString
 
 from pretix.base.email import ClassicMailRenderer
 from pretix.base.i18n import language
-from pretix.base.models import Event, Invoice, InvoiceAddress, Order
+from pretix.base.models import (
+    Event, Invoice, InvoiceAddress, Order, OrderPosition,
+)
 from pretix.base.services.invoices import invoice_pdf_task
 from pretix.base.services.tasks import TransactionAwareTask
 from pretix.base.services.tickets import get_tickets_for_order
@@ -38,8 +41,8 @@ class SendMailException(Exception):
 
 def mail(email: str, subject: str, template: Union[str, LazyI18nString],
          context: Dict[str, Any]=None, event: Event=None, locale: str=None,
-         order: Order=None, headers: dict=None, sender: str=None, invoices: list=None,
-         attach_tickets=False):
+         order: Order=None, position: OrderPosition=None, headers: dict=None, sender: str=None,
+         invoices: list=None, attach_tickets=False):
     """
     Sends out an email to a user. The mail will be sent synchronously or asynchronously depending on the installation.
 
@@ -60,6 +63,9 @@ def mail(email: str, subject: str, template: Union[str, LazyI18nString],
     :param order: The order this email is related to (optional). If set, this will be used to include a link to the
         order below the email.
 
+    :param order: The order position this email is related to (optional). If set, this will be used to include a link
+        to the order position instead of the order below the email.
+
     :param headers: A dict of custom mail headers to add to the mail
 
     :param locale: The locale to be used while evaluating the subject and the template
@@ -132,9 +138,26 @@ def mail(email: str, subject: str, template: Union[str, LazyI18nString],
                 body_plain += signature
                 body_plain += "\r\n\r\n-- \r\n"
 
-            if order:
-                if order.testmode:
-                    subject = "[TESTMODE] " + subject
+            if order and order.testmode:
+                subject = "[TESTMODE] " + subject
+
+            if order and position:
+                body_plain += _(
+                    "You are receiving this email because someone placed an order for {event} for you."
+                ).format(event=event.name)
+                body_plain += "\r\n"
+                body_plain += _(
+                    "You can view your order details at the following URL:\n{orderurl}."
+                ).replace("\n", "\r\n").format(
+                    event=event.name, orderurl=build_absolute_uri(
+                        order.event, 'presale:event.order.position', kwargs={
+                            'order': order.code,
+                            'secret': position.web_secret,
+                            'position': position.positionid,
+                        }
+                    )
+                )
+            elif order:
                 body_plain += _(
                     "You are receiving this email because you placed an order for {event}."
                 ).format(event=event.name)
@@ -153,7 +176,14 @@ def mail(email: str, subject: str, template: Union[str, LazyI18nString],
             body_plain += "\r\n"
 
         try:
-            body_html = renderer.render(content_plain, signature, str(subject), order)
+            try:
+                body_html = renderer.render(content_plain, signature, str(subject), order, position)
+            except TypeError:
+                # Backwards compatibility
+                warnings.warn('E-mail renderer called without position argument because position argument is not '
+                              'supported.',
+                              DeprecationWarning)
+                body_html = renderer.render(content_plain, signature, str(subject), order)
         except:
             logger.exception('Could not render HTML body')
             body_html = None
@@ -167,8 +197,9 @@ def mail(email: str, subject: str, template: Union[str, LazyI18nString],
             sender=sender,
             event=event.id if event else None,
             headers=headers,
-            invoices=[i.pk for i in invoices] if invoices else [],
+            invoices=[i.pk for i in invoices] if invoices and not position else [],
             order=order.pk if order else None,
+            position=position.pk if position else None,
             attach_tickets=attach_tickets
         )
 
@@ -183,8 +214,8 @@ def mail(email: str, subject: str, template: Union[str, LazyI18nString],
 
 @app.task(base=TransactionAwareTask, bind=True)
 def mail_send_task(self, *args, to: List[str], subject: str, body: str, html: str, sender: str,
-                   event: int=None, headers: dict=None, bcc: List[str]=None, invoices: List[int]=None,
-                   order: int=None, attach_tickets=False) -> bool:
+                   event: int=None, position: int=None, headers: dict=None, bcc: List[str]=None,
+                   invoices: List[int]=None, order: int=None, attach_tickets=False) -> bool:
     email = EmailMultiAlternatives(subject, body, sender, to=to, bcc=bcc, headers=headers)
     if html is not None:
         email.attach_alternative(html, "text/html")
@@ -215,10 +246,15 @@ def mail_send_task(self, *args, to: List[str], subject: str, body: str, html: st
             except Order.DoesNotExist:
                 order = None
             else:
+                if position:
+                    try:
+                        position = order.positions.get(pk=position)
+                    except OrderPosition.DoesNotExist:
+                        attach_tickets = False
                 if attach_tickets:
                     args = []
                     attach_size = 0
-                    for name, ct in get_tickets_for_order(order):
+                    for name, ct in get_tickets_for_order(order, base_position=position):
                         content = ct.file.read()
                         args.append((name, content, ct.type))
                         attach_size += len(content)

src/pretix/base/services/orders.py

@@ -43,6 +43,7 @@ from pretix.base.services.locking import LockTimeoutException, NoLockManager
 from pretix.base.services.mail import SendMailException
 from pretix.base.services.pricing import get_price
 from pretix.base.services.tasks import ProfiledTask
+from pretix.base.settings import PERSON_NAME_SCHEMES
 from pretix.base.signals import (
     allow_ticket_download, order_approved, order_canceled, order_changed,
     order_denied, order_expired, order_fee_calculation, order_placed,
@@ -645,6 +646,75 @@ def _create_order(event: Event, email: str, positions: List[CartPosition], now_d
     return order, p
 
 
+def _order_placed_email(event: Event, order: Order, pprov: BasePaymentProvider, email_template, log_entry: str,
+                        invoice):
+    try:
+        invoice_name = order.invoice_address.name
+        invoice_company = order.invoice_address.company
+    except InvoiceAddress.DoesNotExist:
+        invoice_name = ""
+        invoice_company = ""
+
+    if pprov:
+        payment_info = str(pprov.order_pending_mail_render(order))
+    else:
+        payment_info = None
+
+    email_context = {
+        'total': LazyNumber(order.total),
+        'currency': event.currency,
+        'total_with_currency': LazyCurrencyNumber(order.total, event.currency),
+        'date': LazyDate(order.expires),
+        'event': event.name,
+        'url': build_absolute_uri(event, 'presale:event.order.open', kwargs={
+            'order': order.code,
+            'secret': order.secret,
+            'hash': order.email_confirm_hash()
+        }),
+        'payment_info': payment_info,
+        'invoice_name': invoice_name,
+        'invoice_company': invoice_company,
+    }
+    email_subject = _('Your order: %(code)s') % {'code': order.code}
+    try:
+        order.send_mail(
+            email_subject, email_template, email_context,
+            log_entry,
+            invoices=[invoice] if invoice and event.settings.invoice_email_attachment else [],
+            attach_tickets=True
+        )
+    except SendMailException:
+        logger.exception('Order received email could not be sent')
+
+
+def _order_placed_email_attendee(event: Event, order: Order, position: OrderPosition, email_template, log_entry: str):
+    name_scheme = PERSON_NAME_SCHEMES[event.settings.name_scheme]
+    email_context = {
+        'event': event.name,
+        'url': build_absolute_uri(event, 'presale:event.order.position', kwargs={
+            'order': order.code,
+            'secret': position.web_secret,
+            'position': position.positionid
+        }),
+        'attendee_name': position.attendee_name,
+    }
+    for f, l, w in name_scheme['fields']:
+        email_context['attendee_name_%s' % f] = position.attendee_name_parts.get(f, '')
+
+    email_subject = _('Your event registration: %(code)s') % {'code': order.code}
+
+    try:
+        order.send_mail(
+            email_subject, email_template, email_context,
+            log_entry,
+            invoices=[],
+            attach_tickets=True,
+            position=position
+        )
+    except SendMailException:
+        logger.exception('Order received email could not be sent to attendee')
+
+
 def _perform_order(event: str, payment_provider: str, position_ids: List[str],
                    email: str, locale: str, address: int, meta_info: dict=None, sales_channel: str='web'):
 
@@ -709,50 +779,26 @@ def _perform_order(event: str, payment_provider: str, position_ids: List[str],
         if order.require_approval:
             email_template = event.settings.mail_text_order_placed_require_approval
             log_entry = 'pretix.event.order.email.order_placed_require_approval'
+
+            email_attendees = False
         elif free_order_flow:
             email_template = event.settings.mail_text_order_free
             log_entry = 'pretix.event.order.email.order_free'
+
+            email_attendees = event.settings.mail_send_order_free_attendee
+            email_attendees_template = event.settings.mail_text_order_free_attendee
         else:
             email_template = event.settings.mail_text_order_placed
             log_entry = 'pretix.event.order.email.order_placed'
 
-        try:
-            invoice_name = order.invoice_address.name
-            invoice_company = order.invoice_address.company
-        except InvoiceAddress.DoesNotExist:
-            invoice_name = ""
-            invoice_company = ""
+            email_attendees = event.settings.mail_send_order_placed_attendee
+            email_attendees_template = event.settings.mail_text_order_placed_attendee
 
-        if pprov:
-            payment_info = str(pprov.order_pending_mail_render(order))
-        else:
-            payment_info = None
-
-        email_context = {
-            'total': LazyNumber(order.total),
-            'currency': event.currency,
-            'total_with_currency': LazyCurrencyNumber(order.total, event.currency),
-            'date': LazyDate(order.expires),
-            'event': event.name,
-            'url': build_absolute_uri(event, 'presale:event.order.open', kwargs={
-                'order': order.code,
-                'secret': order.secret,
-                'hash': order.email_confirm_hash()
-            }),
-            'payment_info': payment_info,
-            'invoice_name': invoice_name,
-            'invoice_company': invoice_company,
-        }
-        email_subject = _('Your order: %(code)s') % {'code': order.code}
-        try:
-            order.send_mail(
-                email_subject, email_template, email_context,
-                log_entry,
-                invoices=[invoice] if invoice and event.settings.invoice_email_attachment else [],
-                attach_tickets=True
-            )
-        except SendMailException:
-            logger.exception('Order received email could not be sent')
+        _order_placed_email(event, order, pprov, email_template, log_entry, invoice)
+        if email_attendees:
+            for p in order.positions.all():
+                if p.addon_to_id is None and p.attendee_email and p.attendee_email != order.email:
+                    _order_placed_email_attendee(event, order, p, email_attendees_template, log_entry)
 
     return order.id
 
@@ -873,6 +919,31 @@ def send_download_reminders(sender, **kwargs):
                     except SendMailException:
                         logger.exception('Reminder email could not be sent')
 
+                    if e.settings.mail_send_download_reminder_attendee:
+                        name_scheme = PERSON_NAME_SCHEMES[e.settings.name_scheme]
+                        for p in o.positions.all():
+                            if p.addon_to_id is None and p.attendee_email and p.attendee_email != o.email:
+                                email_template = e.settings.mail_text_download_reminder_attendee
+                                email_context = {
+                                    'event': e.name,
+                                    'url': build_absolute_uri(e, 'presale:event.order.position', kwargs={
+                                        'order': o.code,
+                                        'secret': p.web_secret,
+                                        'position': p.positionid
+                                    }),
+                                    'attendee_name': p.attendee_name,
+                                }
+                                for f, l, w in name_scheme['fields']:
+                                    email_context['attendee_name_%s' % f] = p.attendee_name_parts.get(f, '')
+                                try:
+                                    o.send_mail(
+                                        email_subject, email_template, email_context,
+                                        'pretix.event.order.email.download_reminder_sent',
+                                        attach_tickets=True, position=p
+                                    )
+                                except SendMailException:
+                                    logger.exception('Reminder email could not be sent to attendee')
+
 
 class OrderChangeManager:
     error_messages = {

src/pretix/base/services/tickets.py

@@ -96,7 +96,7 @@ def preview(event: int, provider: str):
                 return prov.generate(p)
 
 
-def get_tickets_for_order(order):
+def get_tickets_for_order(order, base_position=None):
     can_download = all([r for rr, r in allow_ticket_download.send(order.event, order=order)])
     if not can_download:
         return []
@@ -111,13 +111,20 @@ def get_tickets_for_order(order):
 
     tickets = []
 
+    positions = list(order.positions_with_tickets)
+    if base_position:
+        # Only the given position and its children
+        positions = [
+            p for p in positions if p.pk == base_position.pk or p.addon_to_id == base_position.pk
+        ]
+
     for p in providers:
         if not p.is_enabled:
             continue
 
-        if p.multi_download_enabled:
+        if p.multi_download_enabled and not base_position:
             try:
-                if len(list(order.positions_with_tickets)) == 0:
+                if len(positions) == 0:
                     continue
                 ct = CachedCombinedTicket.objects.filter(
                     order=order, provider=p.identifier, file__isnull=False
@@ -136,7 +143,7 @@ def get_tickets_for_order(order):
             except:
                 logger.exception('Failed to generate ticket.')
         else:
-            for pos in order.positions_with_tickets:
+            for pos in positions:
                 try:
                     ct = CachedTicket.objects.filter(
                         order_position=pos, provider=p.identifier, file__isnull=False

src/pretix/base/settings.py

@@ -331,6 +331,18 @@ The list is as follows:
 
 {orders}
 
+Best regards,
+Your {event} team"""))
+    },
+    'mail_text_order_free_attendee': {
+        'type': LazyI18nString,
+        'default': LazyI18nString.from_gettext(ugettext_noop("""Hello {attendee_name},
+
+you have been registered for {event} successfully.
+
+You can view the details and status of your ticket here:
+{url}
+
 Best regards,
 Your {event} team"""))
     },
@@ -347,6 +359,10 @@ You can change your order details and view the status of your order at
 Best regards,
 Your {event} team"""))
     },
+    'mail_send_order_free_attendee': {
+        'type': bool,
+        'default': 'False'
+    },
     'mail_text_order_placed_require_approval': {
         'type': LazyI18nString,
         'default': LazyI18nString.from_gettext(ugettext_noop("""Hello,
@@ -373,6 +389,22 @@ of {total_with_currency}. Please complete your payment before {date}.
 You can change your order details and view the status of your order at
 {url}
 
+Best regards,
+Your {event} team"""))
+    },
+    'mail_send_order_placed_attendee': {
+        'type': bool,
+        'default': 'False'
+    },
+    'mail_text_order_placed_attendee': {
+        'type': LazyI18nString,
+        'default': LazyI18nString.from_gettext(ugettext_noop("""Hello {attendee_name},
+
+a ticket for {event} has been ordered for you.
+
+You can view the details and status of your ticket here:
+{url}
+
 Best regards,
 Your {event} team"""))
     },
@@ -399,6 +431,22 @@ we successfully received your payment for {event}. Thank you!
 You can change your order details and view the status of your order at
 {url}
 
+Best regards,
+Your {event} team"""))
+    },
+    'mail_send_order_paid_attendee': {
+        'type': bool,
+        'default': 'False'
+    },
+    'mail_text_order_paid_attendee': {
+        'type': LazyI18nString,
+        'default': LazyI18nString.from_gettext(ugettext_noop("""Hello {attendee_name},
+
+a ticket for {event} that has been ordered for you is now paid.
+
+You can view the details and status of your ticket here:
+{url}
+
 Best regards,
 Your {event} team"""))
     },
@@ -500,6 +548,22 @@ Your {event} team"""))
         'type': int,
         'default': None
     },
+    'mail_send_download_reminder_attendee': {
+        'type': bool,
+        'default': 'False'
+    },
+    'mail_text_download_reminder_attendee': {
+        'type': LazyI18nString,
+        'default': LazyI18nString.from_gettext(ugettext_noop("""Hello {attendee_name},
+
+you are registered for {event}.
+
+If you did not do so already, you can download your ticket here:
+{url}
+
+Best regards,
+Your {event} team"""))
+    },
     'mail_text_download_reminder': {
         'type': LazyI18nString,
         'default': LazyI18nString.from_gettext(ugettext_noop("""Hello,

src/pretix/base/templates/pretixbase/email/plainwrapper.html

@@ -23,13 +23,23 @@
                     <table cellpadding="20"><tr><td>
                 <![endif]-->
                 <div class="content">
-                    {% trans "You are receiving this email because you placed an order for the following event:" %}<br>
-                    <strong>{% trans "Event:" %}</strong> {{ event.name }}<br>
-                    <strong>{% trans "Order code:" %}</strong> {{ order.code }}<br>
-                    <strong>{% trans "Order date:" %}</strong> {{ order.datetime|date:"SHORT_DATE_FORMAT" }}<br>
-                    <a href="{% abseventurl event "presale:event.order.open" hash=order.email_confirm_hash order=order.code secret=order.secret %}">
-                        {% trans "View order details" %}
-                    </a>
+                    {% if position %}
+                        {% trans "You are receiving this email because someone signed you up for the following event:" %}<br>
+                        <strong>{% trans "Event:" %}</strong> {{ event.name }}<br>
+                        <strong>{% trans "Order code:" %}</strong> {{ order.code }}<br>
+                        <strong>{% trans "Order date:" %}</strong> {{ order.datetime|date:"SHORT_DATE_FORMAT" }}<br>
+                        <a href="{% abseventurl event "presale:event.order.position" order=order.code secret=position.web_secret position=position.positionid %}">
+                            {% trans "View registration details" %}
+                        </a>
+                    {% else %}
+                        {% trans "You are receiving this email because you placed an order for the following event:" %}<br>
+                        <strong>{% trans "Event:" %}</strong> {{ event.name }}<br>
+                        <strong>{% trans "Order code:" %}</strong> {{ order.code }}<br>
+                        <strong>{% trans "Order date:" %}</strong> {{ order.datetime|date:"SHORT_DATE_FORMAT" }}<br>
+                        <a href="{% abseventurl event "presale:event.order.open" hash=order.email_confirm_hash order=order.code secret=order.secret %}">
+                            {% trans "View order details" %}
+                        </a>
+                    {% endif %}
                 </div>
                 <!--[if gte mso 9]>
                     </td></tr></table>