Allow to specify end date for credits

Signed-off-by: Michal Čihař <michal@cihar.com>

weblate/trans/forms.py

@@ -821,9 +821,6 @@ class ReportDownloadForm(forms.Form):
             ('json', _('JSON'))
         ),
     )
-
-
-class CreditsForm(ReportDownloadForm):
     start_date = forms.DateField(
         label=_('Starting date'),
         initial=date(2000, 1, 1),
@@ -836,3 +833,19 @@ class CreditsForm(ReportDownloadForm):
             format='%Y-%m-%d'
         )
     )
+    end_date = forms.DateField(
+        label=_('Ending date'),
+        initial=date(2100, 1, 1),
+        widget=forms.DateInput(
+            attrs={
+                'type': 'date',
+                'data-provide': 'datepicker',
+                'data-date-format': 'yyyy-mm-dd',
+            },
+            format='%Y-%m-%d'
+        )
+    )
+
+
+class CreditsForm(ReportDownloadForm):
+    pass

weblate/trans/tests/test_reports.py

@@ -42,7 +42,8 @@ class ReportsTest(ViewTestCase):
     def test_credits_empty(self):
         data = generate_credits(
             self.subproject,
-            timezone.now() - timedelta(days=1)
+            timezone.now() - timedelta(days=1),
+            timezone.now() + timedelta(days=1)
         )
         self.assertEqual(data, [])
 
@@ -50,7 +51,8 @@ class ReportsTest(ViewTestCase):
         self.add_change()
         data = generate_credits(
             self.subproject,
-            timezone.now() - timedelta(days=1)
+            timezone.now() - timedelta(days=1),
+            timezone.now() + timedelta(days=1)
         )
         self.assertEqual(
             data,
@@ -68,7 +70,11 @@ class ReportsTest(ViewTestCase):
         self.add_change()
         response = self.client.post(
             reverse('credits', kwargs=self.kw_subproject),
-            {'style': 'json', 'start_date': '2000-01-01'},
+            {
+                'style': 'json',
+                'start_date': '2000-01-01',
+                'end_date': '2100-01-01'
+            },
         )
         data = json.loads(response.content)
         self.assertEqual(
@@ -80,7 +86,11 @@ class ReportsTest(ViewTestCase):
         self.add_change()
         response = self.client.post(
             reverse('credits', kwargs=self.kw_subproject),
-            {'style': 'rst', 'start_date': '2000-01-01'},
+            {
+                'style': 'rst',
+                'start_date': '2000-01-01',
+                'end_date': '2100-01-01'
+            },
         )
         self.assertEqual(
             response.content,

weblate/trans/views/reports.py

@@ -30,14 +30,15 @@ from django.core.exceptions import PermissionDenied
 import json
 
 
-def generate_credits(component, start_date):
+def generate_credits(component, start_date, end_date):
     """Generates credits data for given component."""
 
     result = []
 
     for translation in component.translation_set.all():
         authors = Change.objects.content().filter(
-            translation=translation
+            translation=translation,
+            timestamp__range=(start_date, end_date),
         ).values_list(
             'author__email', 'author__first_name'
         )
@@ -62,7 +63,11 @@ def get_credits(request, project, subproject):
     if not form.is_valid():
         return redirect(obj)
 
-    data = generate_credits(obj, form.cleaned_data['start_date'])
+    data = generate_credits(
+        obj,
+        form.cleaned_data['start_date'],
+        form.cleaned_data['end_date'],
+    )
 
     if form.cleaned_data['style'] == 'json':
         return HttpResponse(