Send email to learners to inform verification 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

@@ -1668,6 +1668,7 @@ class TestPhotoVerificationResultsCallback(ModuleStoreTestCase):
         self.attempt.save()
         self.receipt_id = self.attempt.receipt_id
         self.client = Client()
+        self.client.login(username=self.user.username, password='test')
 
     def mocked_has_valid_signature(method, headers_dict, body_dict, access_key, secret_key):  # pylint: disable=no-self-argument, unused-argument
         """
@@ -1779,6 +1780,30 @@ 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.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)
 
     @mock.patch(
         'lms.djangoapps.verify_student.ssencrypt.has_valid_signature',

lms/djangoapps/verify_student/utils.py

@@ -0,0 +1,45 @@
+"""
+Common Utilities for the verify_student application.
+"""
+
+import datetime
+import logging
+
+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__)
+
+
+def send_verification_status_email(context):
+    """
+    Send an email to inform learners about their verification status
+    """
+    current_date = datetime.datetime.now()
+    date = "{}/{}/{}".format(current_date.month, current_date.day, current_date.year)
+    email_template_context = {
+        'full_name': context['user'].profile.name,
+        'platform_name': configuration_helpers.get_value("PLATFORM_NAME", settings.PLATFORM_NAME),
+        'date': date
+    }
+
+    subject = context['subject']
+    message = render_to_string(context['message'], email_template_context)
+    from_address = configuration_helpers.get_value('email_from_address', settings.DEFAULT_FROM_EMAIL)
+    to_address = context['user'].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 for user {user}").format(
+                subject=context['subject'],
+                user=context['user'].id
+            ))

lms/djangoapps/verify_student/views.py

@@ -35,6 +35,7 @@ from edxmako.shortcuts import render_to_response, render_to_string
 from lms.djangoapps.commerce.utils import EcommerceService, is_account_activation_requirement_disabled
 from lms.djangoapps.verify_student.image import InvalidImageData, decode_image_data
 from lms.djangoapps.verify_student.models import SoftwareSecurePhotoVerification, VerificationDeadline
+from lms.djangoapps.verify_student.utils import send_verification_status_email
 from lms.djangoapps.verify_student.ssencrypt import has_valid_signature
 from openedx.core.djangoapps.commerce.utils import ecommerce_api_client
 from openedx.core.djangoapps.embargo import api as embargo_api
@@ -1152,10 +1153,16 @@ 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))
+    context = {'user': request.user}
     if result == "PASS":
         log.debug("Approving verification for %s", receipt_id)
         attempt.approve()
         status = "approved"
+        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 +1,7 @@
+<%! 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 {date}").format(date=date)}