notification email on student unlinking

sails/src/api/controllers/StudentController.js

@@ -466,12 +466,41 @@ module.exports = {
       student: req.param('id_stu'),
       supervisor: req.param('id_sup')
     })
+    .populate('supervisor')
     .then((stuSup) => {
       if (!stuSup)
         throw new Error("student and supervisor are not linked");
 
+      return [stupStup, Student.findOne(req.params.id_stu).populate('license')];
+    .spread((stuSup, student) => {
+
       stuSup.destroy();
 
+      //
+      // Mail to supervisor to be notified
+      //
+      student = student.toJSON();
+      if (student.license && student.license.number) {
+        mailService.mailer()
+        .send({
+          to: stuSup.supervisor.email,
+          text: sails.__(
+            {
+              phrase: 'student_unlinked',
+              locale: stuSup.supervisor.lang
+            },
+            {
+              name: student.name,
+              surname: student.surname,
+              license: student.license.number
+            })
+        });
+        .then(() => {})
+        .catch((err) => {});
+      }
+      //
+      // Broadcast event
+      //
       const socketToOmit = req.isSocket ? req.socket : undefined;
       const unlinkSupervisorFromStudentEvent = sails.hooks.events.unlinkSupervisorFromStudent(
         stuSup.student,

sails/src/config/locales/en-gb.json

 {
-	"Welcome": "Welcome",
 	"A brand new app.": "A brand new app.",
+  "change_password_mail": "To change your password, please click on the following link:\n",
+  "login": "login",
 	"notification_from_pictogram": "Notification from Pictogram",
   "no_name": "No name",
   "no_surname": "No surname",
+  "office_link": "The office/center \"{{ name }}\" with email \"{{ email }}\" has added you as part of its team in Pictogram.",
 	"signin_mail": "To activate your Pictogram account, click on this link:\n",
-  "change_password_mail": "To change your password, please click on the following link:\n",
-  "login": "login",
+  "student_unlinked": "You have lost the link to the student {{ name }} {{ surname }}, with license number {{ license }}.",
   "therapist_office_request": "{{ name }}, with email {{ email }}, is requesting to be linked as therapist to any of your students.",
   "tutor_office_request": "{{ name }}, with email {{ email }}, is requesting to be linked as tutor/father/mother to any of your students.",
+  "Welcome": "Welcome",
   "welcome_msg1": "Welcome to Pictogram, {{ name }}!",
   "welcome_msg2": "Your account is now active. You can proceed to",
-  "office_link": "The office/center \"{{ name }}\" with email \"{{ email }}\" has added you as part of its team in Pictogram."
 }

sails/src/config/locales/es-es.json

 {
-  "Welcome": "Bienvenido",
   "A brand new app.": "Una aplicación de la nueva marca.",
+  "change_password_mail": "Para cambiar su contraseña, haga click en el siguiente enlace:\n",
+  "login": "acceder",
   "notification_from_pictogram": "Notificación desde Pictogram",
   "no_name": "Sin nombre",
   "no_surname": "Sin apellidos",
+  "office_link": "El centro/gabinete \"{{ name }}\", con correo electrónico \"{{ email }}\" le ha añadido como parte de su equipo.",
   "signin_mail": "Para activar su cuenta en Pictogram, haga click en el siguiente enlace:\n",
-  "change_password_mail": "Para cambiar su contraseña, haga click en el siguiente enlace:\n",
-  "login": "acceder",
+  "student_unlinked": "Se ha desvinculado de {{ name }} {{ surname }}, con número de licencia {{ license }}.",
   "therapist_office_request": "El/la terapeuta {{ name }}, con correo electrónico {{ email }}, pide ser asociado a algún estudiante.",
   "tutor_office_request": "El/la tutor/a/padre/madre {{ name }}, con correo electrónico {{ email }}, pide ser asociado a algún estudiante.",
+  "Welcome": "Bienvenido",
   "welcome_msg1": "¡Bienvenido a Pictogram, {{ name }}!",
   "welcome_msg2": "Su cuenta está ahora activa, por lo que puede",
-  "office_link": "El centro/gabinete \"{{ name }}\", con correo electrónico \"{{ email }}\" le ha añadido como parte de su equipo."
 }