Add JSON view for credits

Issue #798
Signed-off-by: Michal Čihař <michal@cihar.com>

weblate/trans/forms.py

@@ -37,6 +37,7 @@ from weblate.trans.specialchars import get_special_chars
 from weblate.trans.validators import validate_check_flags
 from weblate.accounts.forms import sort_choices
 from urllib import urlencode
+from datetime import date
 from weblate.logger import LOGGER
 from weblate import get_doc_url
 
@@ -809,3 +810,29 @@ class UserManageForm(forms.Form):
             raise ValidationError(_('No matching user found!'))
         except User.MultipleObjectsReturned:
             raise ValidationError(_('More users matched!'))
+
+
+class ReportDownloadForm(forms.Form):
+    style = forms.ChoiceField(
+        label=_('Report format'),
+        help_text=_('Choose file format for the report'),
+        choices=(
+            ('rst', _('reStructuredText')),
+            ('json', _('JSON'))
+        ),
+    )
+
+
+class CreditsForm(ReportDownloadForm):
+    start_date = forms.DateField(
+        label=_('Starting date'),
+        initial=date(2000, 1, 1),
+        widget=forms.DateInput(
+            attrs={
+                'type': 'date',
+                'data-provide': 'datepicker',
+                'data-date-format': 'yyyy-mm-dd',
+            },
+            format='%Y-%m-%d'
+        )
+    )

weblate/trans/tests/test_reports.py

@@ -21,8 +21,10 @@
 
 from weblate.trans.tests.test_views import ViewTestCase
 from weblate.trans.views.reports import generate_credits
+from django.core.urlresolvers import reverse
 from django.utils import timezone
 from datetime import timedelta
+import json
 
 
 class ReportsTest(ViewTestCase):
@@ -59,3 +61,15 @@ class ReportsTest(ViewTestCase):
             'Nazdar svete2!\n'
         )
         self.test_credits_one()
+
+    def test_credits_view_json(self):
+        self.add_change()
+        response = self.client.post(
+            reverse('credits', kwargs=self.kw_subproject),
+            {'style': 'json', 'start_date': '2000-01-01'},
+        )
+        credits = json.loads(response.content)
+        self.assertEqual(
+            credits,
+            [{'Czech': [['noreply@weblate.org', 'Weblate Test']]}]
+        )

weblate/trans/views/basic.py

@@ -36,7 +36,7 @@ from weblate.lang.models import Language
 from weblate.trans.forms import (
     get_upload_form, SearchForm,
     AutoForm, ReviewForm, NewLanguageForm,
-    UserManageForm,
+    UserManageForm, CreditsForm,
 )
 from weblate.trans.permissions import can_automatic_translation
 from weblate.accounts.models import Profile, notify_new_language
@@ -314,6 +314,7 @@ def show_translation(request, project, subproject, lang):
             'search_form': search_form,
             'review_form': review_form,
             'last_changes': last_changes,
+            'credits_form': CreditsForm(),
             'last_changes_url': urlencode(obj.get_kwargs()),
             'show_only_component': True,
             'other_translations': Translation.objects.filter(

weblate/trans/views/reports.py

@@ -19,6 +19,12 @@
 #
 
 from weblate.trans.models.changes import Change
+from weblate.trans.forms import CreditsForm
+from weblate.trans.views.helper import get_subproject
+from django.http import HttpResponse
+from django.views.decorators.http import require_POST
+from django.shortcuts import redirect
+import json
 
 
 def generate_credits(component, start_date):
@@ -37,3 +43,21 @@ def generate_credits(component, start_date):
         result.append({translation.language.name:  sorted(set(authors))})
 
     return result
+
+
+@require_POST
+def get_credits(request, project, subproject):
+    """View for credits"""
+    obj = get_subproject(request, project, subproject)
+    form = CreditsForm(request.POST)
+
+    if not form.is_valid():
+        return redirect(obj)
+
+    credits = generate_credits(obj, form.cleaned_data['start_date'])
+
+    if form.cleaned_data['style'] == 'json':
+        return HttpResponse(
+            json.dumps(credits),
+            content_type='application/json'
+        )

weblate/urls.py

@@ -185,6 +185,11 @@ urlpatterns = patterns(
         'weblate.trans.views.edit.auto_translation',
         name='auto_translation',
     ),
+    url(
+        r'^credits/' + SUBPROJECT + '$',
+        'weblate.trans.views.reports.get_credits',
+        name='credits',
+    ),
     url(
         r'^new-lang/' + SUBPROJECT + '$',
         'weblate.trans.views.basic.new_language',