Merge branch feature/search into develop

* Close #9
* Add the search feature

api/chat/tests/test_views.py

@@ -147,3 +147,29 @@ def test_our_messages(self, room, conversation):
         res = self.client.get('/v1/rooms/1/messages/')
         msgs_of_002 = res.data
         assert msgs_of_001 == msgs_of_002
+
+    def test_one(self, conversation):
+        self.login('001', '001')
+        res = self.client.get('/v1/rooms/1/messages/1/')
+        assert res.data['id'] == 1
+        assert res.data['sender'] == 1
+        assert res.data['content'] == 'hello'
+
+    def test_search(self, conversation):
+        self.login('001', '001')
+        res = self.client.get('/v1/rooms/1/messages/?q=you')
+        assert len(res.data) == 2
+        assert res.data[0]['content'] == 'how are you?'
+        assert res.data[1]['content'] == 'see you later'
+
+    def test_search_empty(self, conversation):
+        self.login('001', '001')
+        res = self.client.get('/v1/rooms/1/messages/?q=')
+        assert len(res.data) == 6
+
+    def test_search_only_in_list(self, conversation):
+        self.login('001', '001')
+        res = self.client.get('/v1/rooms/1/messages/1/?q=you')
+        assert res.data['id'] == 1
+        assert res.data['sender'] == 1
+        assert res.data['content'] == 'hello'

api/chat/views.py

@@ -40,4 +40,9 @@ def get_queryset(self):
         user = self.request.user
         if not user.room_set.filter(id=room_id):
             raise Http404
-        return super().get_queryset()
+
+        queryset = super().get_queryset()
+        query = self.request.GET.get('q')
+        if query and self.action == 'list':
+            queryset = queryset.filter(content__icontains=query)
+        return queryset