issue #723 fixed

sails/src/assets/app/i18n/en-gb.json

@@ -288,6 +288,7 @@
     "student_pictograms": "Student's pictograms",
     "student_updated": "Student updated",
     "students": "Students",
+    "sup_already_added": "Supervisor already in the list",
     "sup_not_added": "Supervisor not added to the student",
     "sup_not_deleted": "The supervisor couldn't be deleted by the student",
     "sup_not_found": "There is no supervisor account in Pictogram with this email",

sails/src/assets/app/i18n/es-es.json

@@ -289,6 +289,7 @@
     "student_pictograms": "Pictogramas del estudiante",
     "student_updated": "Estudiante actualizado",
     "students": "Alumnos",
+    "sup_already_added": "El supervisor ya está en la lista",
     "sup_not_added": "El supervisor no se ha podido añadir al estudiante.",
     "sup_not_deleted": "El supervisor no se ha podido desvincular del alumno.",
     "sup_not_found": "No hay ningún usuario en Pictogram con ese correo electrónico.",

sails/src/assets/scripts/modules/student/controllers/setup.js

@@ -183,22 +183,30 @@ dashboardControllers.controller('StudentSetupCtrl', function StudentSetupCtrl(
       supervisor: $scope.supToAdd.id
     };
 
+    // Ensure supervisor is not already in the list
+    if ($scope.studentSupervisors.map((s) => s.id).includes($scope.supToAdd.id)) {
+      ngToast.danger({ content: $translate.instant('sup_already_added') });
+      $scope.supsForm.email_sup = '';
+      $scope.showmessagesupfound = false;
+      return;
+    }
+
     $http.post(config.backend + '/stu/' + $scope.studentData.id + '/sup/' + $scope.supToAdd.id, {asTherapist: true})
     .success(function (data) {
       // Assign the info of supervisor to add
       stusup.supervisor = $scope.supToAdd;
       stusup.id = data.id;
+
       // Add to the list of tutors in view
       $scope.studentSupervisors.push($scope.supToAdd);
+
       // Delete the email form field
       $scope.supsForm.email_sup = '';
       // Hide the message of supervisor founded
       $scope.showmessagesupfound = false;
     })
     .error(function () {
-      $translate('sup_not_added').then(function (translation) {
-        ngToast.danger({ content: translation });
-      });
+      ngToast.danger({ content: $translate.instant('sup_not_added') });
     });
   };
 
@@ -262,6 +270,14 @@ dashboardControllers.controller('StudentSetupCtrl', function StudentSetupCtrl(
       supervisor: $scope.tutorToAdd.id
     };
 
+    // Ensure supervisor is not already in the list
+    if ($scope.studentTutors.map((s) => s.id).includes($scope.tutorToAdd.id)) {
+      ngToast.danger({ content: $translate.instant('sup_already_added') });
+      $scope.supsForm.email_tutor = '';
+      $scope.showmessagetutorfound = false;
+      return;
+    }
+
     $http.post(config.backend + '/stu/' + $scope.studentData.id + '/sup/' + $scope.tutorToAdd.id)
     .success(function (data) {
       // Assign the info of supervisor to add