dataviz: translate received x_labels for months (#62530)

combo/apps/dataviz/models.py

@@ -377,12 +377,13 @@ class ChartNgCell(CellBase):
             data = response['data']
 
             interval = self.filter_params.get('time_interval', '')
-            if (
-                data['x_labels']
-                and interval
-                and (interval == 'day' or not self.statistic.has_native_support_for_interval(interval))
-            ):
-                self.aggregate_data(data, interval)
+            if data['x_labels'] and interval:
+                if interval == 'day' or not self.statistic.has_native_support_for_interval(interval):
+                    self.aggregate_data(data, interval)
+                elif interval == 'month':
+                    data['x_labels'] = [
+                        format_date(datetime.strptime(x, '%Y-%m'), 'M Y') for x in data['x_labels']
+                    ]
 
             chart.x_labels = data['x_labels']
             chart.axis_count = min(len(data['series']), 2)

tests/test_dataviz.py

@@ -2124,6 +2124,23 @@ def test_chartng_cell_new_api_aggregation(new_api_statistics, app, admin_user, n
     assert chart.raw_series == [([19], {'title': 'Serie 1'})]
 
 
+@with_httmock(new_api_mock)
+def test_chartng_cell_new_api_month_translation(app, admin_user, new_api_statistics):
+    page = Page.objects.create(title='One', slug='index')
+    cell = ChartNgCell(page=page, order=1, placeholder='content')
+    cell.statistic = Statistic.objects.get(slug='one-serie')
+    cell.save()
+
+    # populate filter params
+    app = login(app)
+    resp = app.get('/manage/pages/%s/' % page.id)
+    resp.form.submit()
+
+    cell.refresh_from_db()
+    chart = cell.get_chart()
+    assert chart.x_labels == ['Oct 2020', 'Nov 2020', 'Dec 2020']
+
+
 @with_httmock(new_api_mock)
 def test_chart_filters_cell(new_api_statistics, app, admin_user, nocache):
     page = Page.objects.create(title='One', slug='index')