Include username in hosting requests

Fixes #845
Signed-off-by: Michal Čihař <michal@cihar.com>

weblate/accounts/tests.py

@@ -418,6 +418,10 @@ class ViewTest(TestCase):
             mail.outbox[0].subject,
             '[Weblate] Hosting request for HOST'
         )
+        self.assertIn(
+            'testuser',
+            mail.outbox[0].body,
+        )
 
     def test_contact_subject(self):
         # With set subject

weblate/accounts/views.py

@@ -68,6 +68,7 @@ Project:    %(project)s
 Website:    %(url)s
 Repository: %(repo)s
 Filemask:   %(mask)s
+Username:   %(username)s
 
 Additional message:
 
@@ -286,11 +287,13 @@ def hosting(request):
     if request.method == 'POST':
         form = HostingForm(request.POST)
         if form.is_valid():
+            context = form.cleaned_data
+            context['username'] = request.user.username
             mail_admins_contact(
                 request,
                 'Hosting request for %(project)s',
                 HOSTING_TEMPLATE,
-                form.cleaned_data,
+                context,
                 form.cleaned_data['email'],
             )
             return redirect('home')