Send verification email status

Support Team need to handle bulk of tickets every month about the
verification status of learners.To avoid it,suitable changes have
done to send verification email to the learner.

LEARNER-1487

lms/djangoapps/verify_student/tests/test_views.py

@@ -1779,6 +1779,7 @@ class TestPhotoVerificationResultsCallback(ModuleStoreTestCase):
         attempt = SoftwareSecurePhotoVerification.objects.get(receipt_id=self.receipt_id)
         self.assertEqual(attempt.status, u'approved')
         self.assertEquals(response.content, 'OK!')
+        self.assertEqual(len(mail.outbox), 1)
 
     @mock.patch(
         'lms.djangoapps.verify_student.ssencrypt.has_valid_signature',
@@ -1858,6 +1859,29 @@ class TestPhotoVerificationResultsCallback(ModuleStoreTestCase):
         )
         self.assertIn('Result Unknown not understood', response.content)
 
+    @mock.patch(
+        'lms.djangoapps.verify_student.utils.send_mail',
+        mock.Mock(side_effect=Exception())
+    )
+    def test_verification_status_email_not_sent(self):
+        """
+        Test email is not sent in case of exception
+        """
+        data = {
+            "EdX-ID": self.receipt_id,
+            "Result": "PASS",
+            "Reason": "",
+            "MessageType": "You have been verified."
+        }
+        json_data = json.dumps(data)
+        self.client.post(
+            reverse('verify_student_results_callback'), data=json_data,
+            content_type='application/json',
+            HTTP_AUTHORIZATION='test BBBBBBBBBBBBBBBBBBBB:testing',
+            HTTP_DATE='testdate'
+        )
+        self.assertEqual(len(mail.outbox), 0)
+
 
 @attr(shard=2)
 class TestReverifyView(TestCase):

lms/djangoapps/verify_student/utils.py

@@ -8,6 +8,11 @@ import logging
 import pytz
 
 from django.conf import settings
+from django.core.mail import send_mail
+from django.utils.translation import ugettext as _
+
+from edxmako.shortcuts import render_to_string
+from openedx.core.djangoapps.site_configuration import helpers as configuration_helpers
 
 log = logging.getLogger(__name__)
 
@@ -68,3 +73,25 @@ def verification_for_datetime(deadline, candidates):
     for verification in candidates:
         if verification.active_at_datetime(deadline):
             return verification
+
+
+def send_verification_status_email(context):
+    """
+    Send an email to inform learners about their verification status
+    """
+    subject = context['subject']
+    message = render_to_string(context['message'], context['email_template_context'])
+    from_address = configuration_helpers.get_value('email_from_address', settings.DEFAULT_FROM_EMAIL)
+    to_address = context['email']
+
+    try:
+        send_mail(subject, message, from_address, [to_address], fail_silently=False)
+    except:  # pylint: disable=bare-except
+        # We catch all exceptions and log them.
+        # It would be much, much worse to roll back the transaction due to an uncaught
+        # exception than to skip sending the notification email.
+        log.exception(
+            _("Could not send verification status email having subject: {subject} and email of user: {email}").format(
+                subject=context['subject'],
+                email=context['email']
+            ))

lms/djangoapps/verify_student/views.py

@@ -37,7 +37,7 @@ from lms.djangoapps.verify_student.image import InvalidImageData, decode_image_d
 from lms.djangoapps.verify_student.models import SoftwareSecurePhotoVerification, VerificationDeadline
 from lms.djangoapps.verify_student.services import IDVerificationService
 from lms.djangoapps.verify_student.ssencrypt import has_valid_signature
-from lms.djangoapps.verify_student.utils import is_verification_expiring_soon
+from lms.djangoapps.verify_student.utils import is_verification_expiring_soon, send_verification_status_email
 from openedx.core.djangoapps.commerce.utils import ecommerce_api_client
 from openedx.core.djangoapps.embargo import api as embargo_api
 from openedx.core.djangoapps.site_configuration import helpers as configuration_helpers
@@ -1154,10 +1154,26 @@ def results_callback(request):
     except SoftwareSecurePhotoVerification.DoesNotExist:
         log.error("Software Secure posted back for receipt_id %s, but not found", receipt_id)
         return HttpResponseBadRequest("edX ID {} not found".format(receipt_id))
+    user = attempt.user
+    context = {
+        'email': user.email
+    }
+    email_template_context = {'platform_name': settings.PLATFORM_NAME}
     if result == "PASS":
         log.debug("Approving verification for %s", receipt_id)
         attempt.approve()
         status = "approved"
+        expiry_date = datetime.date.today() + datetime.timedelta(
+            days=settings.VERIFY_STUDENT["DAYS_GOOD_FOR"]
+        )
+        email_template_context['full_name'] = user.profile.name
+        email_template_context['expiry_date'] = expiry_date.strftime("%m/%d/%Y")
+        context['email_template_context'] = email_template_context
+        context['subject'] = _("Your {platform_name} ID Verification Approved").format(
+            platform_name=settings.PLATFORM_NAME
+        )
+        context['message'] = 'emails/successfull_verification_email.txt'
+        send_verification_status_email(context)
 
     elif result == "FAIL":
         log.debug("Denying verification for %s", receipt_id)

lms/templates/emails/successfull_verification_email.txt

@@ -0,0 +1,11 @@
+<%! from django.utils.translation import ugettext as _ %>
+
+${_("Hi {full_name},").format(full_name=full_name)}
+
+${_("Congratulations! Your ID verification process was successful.")}
+
+${_("Your verification is effective for one year. It will expire on {expiry_date}").format(expiry_date=expiry_date)}
+
+${_("Thank you,")}
+
+${_("The {platform_name} team").format(platform_name=platform_name)}