API: Allow to run exporter without events

src/pretix/api/serializers/exporters.py

@@ -93,7 +93,7 @@ class JobRunSerializer(serializers.Serializer):
         if events is not None and not isinstance(ex, OrganizerLevelExportMixin):
             self.fields["events"] = serializers.SlugRelatedField(
                 queryset=events,
-                required=True,
+                required=False,
                 allow_empty=False,
                 slug_field='slug',
                 many=True
@@ -156,8 +156,9 @@ class JobRunSerializer(serializers.Serializer):
     def to_internal_value(self, data):
         if isinstance(data, QueryDict):
             data = data.copy()
+
         for k, v in self.fields.items():
-            if isinstance(v, serializers.ManyRelatedField) and k not in data:
+            if isinstance(v, serializers.ManyRelatedField) and k not in data and k != "events":
                 data[k] = []
 
         for fk in self.fields.keys():

src/tests/api/test_exporters.py

@@ -102,7 +102,7 @@ def test_org_list(token_client, organizer, event):
     c = copy.deepcopy(SAMPLE_EXPORTER_CONFIG)
     c['input_parameters'].insert(0, {
         "name": "events",
-        "required": True
+        "required": False
     })
     resp = token_client.get('/api/v1/organizers/{}/exporters/'.format(organizer.slug))
     assert resp.status_code == 200
@@ -131,6 +131,12 @@ def test_org_validate_events(token_client, organizer, team, event):
     resp = token_client.post('/api/v1/organizers/{}/exporters/orderlist/run/'.format(organizer.slug), data={
         '_format': 'xlsx',
     }, format='json')
+    assert resp.status_code == 202
+
+    resp = token_client.post('/api/v1/organizers/{}/exporters/orderlist/run/'.format(organizer.slug), data={
+        '_format': 'xlsx',
+        'events': []
+    }, format='json')
     assert resp.status_code == 400
     assert resp.data == {"events": ["This list may not be empty."]}
 
@@ -158,6 +164,41 @@ def test_org_validate_events(token_client, organizer, team, event):
     assert resp.data == {"events": [f"Object with slug={event.slug} does not exist."]}
 
 
+@pytest.mark.django_db
+def test_org_run_limit_events(token_client, organizer, team, event, event2):
+    resp = token_client.post('/api/v1/organizers/{}/exporters/eventdata/run/'.format(organizer.slug), data={
+        '_format': 'default',
+    }, format='json')
+    assert resp.status_code == 202
+    assert "download" in resp.data
+    resp = token_client.get("/" + resp.data["download"].split("/", 3)[3])
+    assert resp.status_code == 200
+    assert resp.getvalue().strip().count(b"\n") == 2
+
+    resp = token_client.post('/api/v1/organizers/{}/exporters/eventdata/run/'.format(organizer.slug), data={
+        '_format': 'default',
+        'events': [event.slug],
+    }, format='json')
+    assert resp.status_code == 202
+    assert "download" in resp.data
+    resp = token_client.get("/" + resp.data["download"].split("/", 3)[3])
+    assert resp.status_code == 200
+    assert resp.getvalue().strip().count(b"\n") == 1
+
+    team.all_events = False
+    team.limit_events.add(event)
+    team.save()
+
+    resp = token_client.post('/api/v1/organizers/{}/exporters/eventdata/run/'.format(organizer.slug), data={
+        '_format': 'default',
+    }, format='json')
+    assert resp.status_code == 202
+    assert "download" in resp.data
+    resp = token_client.get("/" + resp.data["download"].split("/", 3)[3])
+    assert resp.status_code == 200
+    assert resp.getvalue().strip().count(b"\n") == 1
+
+
 @pytest.mark.django_db
 def test_run_success(token_client, organizer, team, event):
     resp = token_client.post('/api/v1/organizers/{}/events/{}/exporters/orderlist/run/'.format(organizer.slug, event.slug), data={