From aeb10d34079bb62d5d748698062de0bfa9a20585 Mon Sep 17 00:00:00 2001
From: jonaswinkler <jonas.winkler@jpwinkler.de>
Date: Thu, 21 Jan 2021 12:07:50 +0100
Subject: [PATCH] fixes duplicate documents with tags__id__in

---
 src/documents/tests/test_api.py | 6 ++++++
 src/documents/views.py          | 3 +++
 2 files changed, 9 insertions(+)

diff --git a/src/documents/tests/test_api.py b/src/documents/tests/test_api.py
index 6b9cf14e0..2b332a873 100644
--- a/src/documents/tests/test_api.py
+++ b/src/documents/tests/test_api.py
@@ -228,6 +228,12 @@ class TestDocumentApi(DirectoriesMixin, APITestCase):
         self.assertEqual(len(results), 2)
         self.assertCountEqual([results[0]['id'], results[1]['id']], [doc1.id, doc3.id])
 
+        response = self.client.get("/api/documents/?tags__id__in={},{}".format(tag_2.id, tag_3.id))
+        self.assertEqual(response.status_code, 200)
+        results = response.data['results']
+        self.assertEqual(len(results), 2)
+        self.assertCountEqual([results[0]['id'], results[1]['id']], [doc2.id, doc3.id])
+
         response = self.client.get("/api/documents/?tags__id__all={},{}".format(tag_2.id, tag_3.id))
         self.assertEqual(response.status_code, 200)
         results = response.data['results']
diff --git a/src/documents/views.py b/src/documents/views.py
index eb9078f75..b99bf11c7 100755
--- a/src/documents/views.py
+++ b/src/documents/views.py
@@ -159,6 +159,9 @@ class DocumentViewSet(RetrieveModelMixin,
         "added",
         "archive_serial_number")
 
+    def get_queryset(self):
+        return Document.objects.distinct()
+
     def get_serializer(self, *args, **kwargs):
         fields_param = self.request.query_params.get('fields', None)
         if fields_param: