Improve automatic emails with temporary urls

This MR targets the improvement for automatic emails concerning validation of new users by supervisors/re-validation of users.

Fixes #542 (closed)

Fixes #550 (closed)

beat/web/accounts/api.py

@@ -47,7 +47,9 @@ from ..common.utils import validate_restructuredtext
 from ..ui.templatetags.markup import restructuredtext
 
 
-from .models import SupervisionTrack, Profile
+from .models import Profile
+from .models import SupervisionTrack
+from .models import TemporaryUrl
 from ..common.models import Shareable
 from ..common.exceptions import ShareError
 from ..common.mixins import CommonContextMixin
@@ -490,10 +492,12 @@ class SuperviseeAddSupervisorView(BaseCreateSupervisionTrackViewSupervisee):
         supervisee.save()
 
         #Inform by email the supervisor that he has a new supervisee request
+        temp_url = TemporaryUrl.objects.create_temporary_url(TemporaryUrl.VALIDATION, supervisiontrack)
         context = {
             'supervisor': supervisor,
             'supervisee': supervisee,
             'prefix': server_address,
+            "temp_url": temp_url.url_hash,
         }
 
         mail.send_email('registration/mail.supervisor_validation.subject.txt',
@@ -559,6 +563,27 @@ class SuperviseeReValidationView(BaseUpdateSupervisionTrackFromSuperviseeView):
                     supervisiontrack.save()
                     supervisee.profile.save()
                     supervisee.save()
+
+                    # Inform supervisor about supervisee revalidation
+                    # Possible supervisor rejection available
+                    parsed_url = urlparse(settings.URL_PREFIX)
+                    server_address = '%s://%s' % (parsed_url.scheme, parsed_url.hostname)
+
+                    temp_url_rejection = TemporaryUrl.objects.create_temporary_url(TemporaryUrl.REJECTION, supervisiontrack)
+
+                    context = {
+                        "supervisor": supervisiontrack.supervisor,
+                        "supervisee": supervisee,
+                        "prefix": server_address,
+                        "temp_url": temp_url_rejection.url_hash,
+                    }
+
+                    mail.send_email(
+                        "registration/mail.account_revalidation_supervisor.subject.txt",
+                        "registration/mail.supervisor_possible_supervisee_rejection.message.txt",
+                        context,
+                        [supervisiontrack.supervisor.email],
+                    )
                 else:
                     #Track already valid
                     reason = "You don't need to revalidate at the moment, your supervision is still valid"