Task #399 - Memberships' resend-invitation handler

In order to resend and invitation email you just POST to detail-url
`memberships-resend-invitation`

settings/testing.py

@@ -22,3 +22,5 @@ SOUTH_TESTS_MIGRATE = False
 CELERY_ALWAYS_EAGER = True
 
 MEDIA_ROOT = "/tmp"
+
+EMAIL_BACKEND = "django.core.mail.backends.locmem.EmailBackend"

taiga/projects/api.py

@@ -25,8 +25,6 @@ from rest_framework.exceptions import ParseError
 from rest_framework import viewsets
 from rest_framework import status
 
-from djmail.template_mail import MagicMailBuilder
-
 from taiga.base import filters
 from taiga.base import exceptions as exc
 from taiga.base.decorators import list_route
@@ -182,6 +180,11 @@ class MembershipViewSet(ModelCrudViewSet):
         members_serialized = self.serializer_class(members, many=True)
         return Response(data=members_serialized.data)
 
+    @detail_route(methods=["POST"])
+    def resend_invitation(self, request, **kwargs):
+        services.send_invitation(invitation=self.get_object())
+        return Response(status=status.HTTP_204_NO_CONTENT)
+
     def pre_save(self, object):
         # Only assign new token if a current token value is empty.
         if not object.token:
@@ -196,9 +199,7 @@ class MembershipViewSet(ModelCrudViewSet):
             return
 
         # Send email only if a new membership is created
-        mbuilder = MagicMailBuilder()
-        email = mbuilder.membership_invitation(object.email, {"membership": object})
-        email.send()
+        services.send_invitation(invitation=object)
 
 
 class InvitationViewSet(ModelListViewSet):

taiga/projects/services/__init__.py

@@ -33,3 +33,5 @@ from .stats import get_stats_for_project
 
 from .members import create_members_in_bulk
 from .members import get_members_from_bulk
+
+from .invitations import send_invitation

taiga/projects/services/invitations.py

@@ -0,0 +1,8 @@
+from djmail.template_mail import MagicMailBuilder
+
+
+def send_invitation(invitation):
+    """Send an invitation email"""
+    mbuilder = MagicMailBuilder()
+    email = mbuilder.membership_invitation(invitation.email, {"membership": invitation})
+    email.send()

tests/factories.py

@@ -348,6 +348,23 @@ def create_membership(**kwargs):
     return MembershipFactory.create(**defaults)
 
 
+def create_invitation(**kwargs):
+    "Create an invitation along with its dependencies"
+    project = kwargs.pop("project", ProjectFactory())
+    project.points.add(PointsFactory.create(project=project, value=None))
+
+    defaults = {
+        "project": project,
+        "role": RoleFactory.create(project=project),
+        "email": "invited-user@email.com",
+        "token": "tokenvalue",
+        "invited_by_id": project.owner.id
+    }
+    defaults.update(kwargs)
+
+    return MembershipFactory.create(**defaults)
+
+
 def create_userstory(**kwargs):
     "Create an user story along with its dependencies"
     project = kwargs.pop("project", ProjectFactory())

tests/fixtures.py

@@ -32,3 +32,10 @@ def client():
     from testclient_extensions import Client
 
     return Client()
+
+
+@pytest.fixture
+def outbox():
+    from django.core import mail
+
+    return mail.outbox

tests/integration/test_memberships.py

@@ -51,3 +51,15 @@ def test_api_create_bulk_members(client):
     assert response.status_code == 200
     assert response.data[0]["email"] == john.email
     assert response.data[1]["email"] == joseph.email
+
+
+def test_api_resend_invitation(client, outbox):
+    invitation = f.create_invitation()
+    url = reverse("memberships-resend-invitation", kwargs={"pk": invitation.pk})
+
+    client.login(invitation.project.owner)
+    response = client.post(url)
+
+    assert response.status_code == 204
+    assert len(outbox) == 1
+    assert outbox[0].to == [invitation.email]