Fix #1780 -- Trigger exports through API (#1839)

src/pretix/base/exporters/mail.py

@@ -41,7 +41,7 @@ class MailExporter(BaseExporter):
                      initial=[Order.STATUS_PENDING, Order.STATUS_PAID],
                      choices=Order.STATUS_CHOICE,
                      widget=forms.CheckboxSelectMultiple,
-                     required=False
+                     required=True
                  )),
             ]
         )

src/pretix/base/models/devices.py

@@ -222,3 +222,15 @@ class Device(LoggedModel):
             return self.organizer.events.all()
         else:
             return self.limit_events.all()
+
+    def get_events_with_permission(self, permission, request=None):
+        """
+        Returns a queryset of events the device has a specific permissions to.
+
+        :param request: Ignored, for compatibility with User model
+        :return: Iterable of Events
+        """
+        if permission in self.permission_set():
+            return self.get_events_with_any_permission()
+        else:
+            return self.organizer.events.none()

src/pretix/base/models/organizer.py

@@ -357,3 +357,15 @@ class TeamAPIToken(models.Model):
             return self.team.organizer.events.all()
         else:
             return self.team.limit_events.all()
+
+    def get_events_with_permission(self, permission, request=None):
+        """
+        Returns a queryset of events the token has a specific permissions to.
+
+        :param request: Ignored, for compatibility with User model
+        :return: Iterable of Events
+        """
+        if getattr(self.team, permission, False):
+            return self.get_events_with_any_permission()
+        else:
+            return self.team.organizer.events.none()

src/pretix/base/services/export.py

@@ -1,12 +1,13 @@
 from typing import Any, Dict
 
+from django.conf import settings
 from django.core.files.base import ContentFile
 from django.utils.timezone import override
 from django.utils.translation import gettext
 
 from pretix.base.i18n import LazyLocaleException, language
 from pretix.base.models import (
-    CachedFile, Event, Organizer, User, cachedfile_name,
+    CachedFile, Device, Event, Organizer, TeamAPIToken, User, cachedfile_name,
 )
 from pretix.base.services.tasks import (
     ProfiledEventTask, ProfiledOrganizerUserTask,
@@ -48,7 +49,13 @@ def export(self, event: Event, fileid: str, provider: str, form_data: Dict[str,
 
 
 @app.task(base=ProfiledOrganizerUserTask, throws=(ExportError,), bind=True)
-def multiexport(self, organizer: Organizer, user: User, fileid: str, provider: str, form_data: Dict[str, Any]) -> None:
+def multiexport(self, organizer: Organizer, user: User, device: int, token: int, fileid: str, provider: str, form_data: Dict[str, Any]) -> None:
+    if device:
+        device = Device.objects.get(pk=device)
+    if token:
+        device = TeamAPIToken.objects.get(pk=token)
+    allowed_events = (device or token or user).get_events_with_permission('can_view_orders')
+
     def set_progress(val):
         if not self.request.called_directly:
             self.update_state(
@@ -57,10 +64,22 @@ def multiexport(self, organizer: Organizer, user: User, fileid: str, provider: s
             )
 
     file = CachedFile.objects.get(id=fileid)
-    with language(user.locale), override(user.timezone):
-        allowed_events = user.get_events_with_permission('can_view_orders')
-
-        events = allowed_events.filter(pk__in=form_data.get('events'))
+    if user:
+        locale = user.locale
+        timezone = user.timezone
+    else:
+        e = allowed_events.first()
+        if e:
+            locale = e.settings.locale
+            timezone = e.settings.timezone
+        else:
+            locale = settings.LANGUAGE_CODE
+            timezone = settings.TIME_ZONE
+    with language(locale), override(timezone):
+        if isinstance(form_data['events'][0], str):
+            events = allowed_events.filter(slug__in=form_data.get('events'), organizer=organizer)
+        else:
+            events = allowed_events.filter(pk__in=form_data.get('events'))
         responses = register_multievent_data_exporters.send(organizer)
 
         for receiver, response in responses:

src/pretix/base/services/tasks.py

@@ -96,8 +96,9 @@ class OrganizerUserTask(app.Task):
         kwargs['organizer'] = organizer
 
         user_id = kwargs['user']
-        user = User.objects.get(pk=user_id)
-        kwargs['user'] = user
+        if user_id is not None:
+            user = User.objects.get(pk=user_id)
+            kwargs['user'] = user
 
         with scope(organizer=organizer):
             ret = super().__call__(*args, **kwargs)