working on issue #527

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

@@ -36,6 +36,7 @@
     "birthdate": "Birthdate",
     "cancel": "Cancel",
     "cannot_delete_method": "Method could not be deleted, maybe due to existing recorded sessions.",
+    "cannot_delete_instruction": "Instruction could not be deleted, maybe due to existing recorded sessions.",
     "categories": "Categories",
     "category_pictograms": "Category's pictograms",
     "change_password": "Change password",

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

@@ -36,6 +36,7 @@
     "birthdate": "Fecha de nacimiento",
     "cancel": "Cancelar",
     "cannot_delete_method": "No se pudo eliminar el método, tal vez porque existen sesiones asociadas.",
+    "cannot_delete_instruction": "No se pudo eliminar la instrucción, tal vez porque existen sesiones asociadas.",
     "categories": "Categorías",
     "category_pictograms": "Pictogramas de la categoría",
     "change_password": "Cambiar contraseña",

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

@@ -34,12 +34,12 @@ dashboardControllers.controller('StudentInstructionsCtrl', function StudentInstr
     .error(function(data, status, headers, config) {
       console.log("Error from API: " + data.error);
     });
-  
+
   //
   // Array with student methods (with instructions)
   //
   $scope.methods = [];
-  
+
   // Query to obtain an array of student methods
   $http
    .get(config.backend+'/stu/'+ $scope.studentData.id +'/methods')
@@ -53,7 +53,7 @@ dashboardControllers.controller('StudentInstructionsCtrl', function StudentInstr
         console.log("Error from API: " + data.error);
     });
 
-  // 
+  //
   // Get last method/instruction for this student
   //
  /* $http
@@ -75,7 +75,7 @@ dashboardControllers.controller('StudentInstructionsCtrl', function StudentInstr
     if($scope.method_selected.id == 0){
 
       $http
-        .post(config.backend+'/method/new', { 
+        .post(config.backend+'/method/new', {
           'id_stu': $scope.studentData.id,
           'name': "Nuevo método (cambiar nombre)"
         })
@@ -92,8 +92,8 @@ dashboardControllers.controller('StudentInstructionsCtrl', function StudentInstr
     }else{
       // Add method from templates
       $http
-        .post(config.backend+'/method', { 
-          'id_mmethod': $scope.method_selected.id, 
+        .post(config.backend+'/method', {
+          'id_mmethod': $scope.method_selected.id,
           'id_stu': $scope.studentData.id
         })
         .success(function(data, status, headers, config) {
@@ -120,7 +120,7 @@ dashboardControllers.controller('StudentInstructionsCtrl', function StudentInstr
         .delete(config.backend+'/method/template/' + $scope.method_selected.id)
         .success(function(data, status, headers, config) {
           console.log('Delete Method Template and its Instructions');
-          
+
           var myToastMsg = ngToast.success({
             content: 'Eliminado método de plantillas',
             timeout: 6000 // By default 4000
@@ -141,12 +141,12 @@ dashboardControllers.controller('StudentInstructionsCtrl', function StudentInstr
       }
   };
 
-   // Update method 
+   // Update method
   $scope.update_method = function(method){
 
     // Remove instructions as we only update title or description
     var method_to_save = {};
-    Object.assign(method_to_save, method);    
+    Object.assign(method_to_save, method);
     delete method_to_save.instructions;
 
     $http
@@ -158,8 +158,8 @@ dashboardControllers.controller('StudentInstructionsCtrl', function StudentInstr
         console.log("Error from API: " + JSON.stringify(data));
       });
   };
-  
-   // Save method and its instructions as template in metamethods and metainstructions   
+
+   // Save method and its instructions as template in metamethods and metainstructions
    $scope.save_as_template = function(method){
 
     $http
@@ -167,10 +167,10 @@ dashboardControllers.controller('StudentInstructionsCtrl', function StudentInstr
       .then(                                                                //success
         function(data, status, headers, config) {
           console.log('Saved method as template:' + JSON.stringify(data));
-          
+
           // Add to select method
           $scope.methods_available.push({ id: method.id, name: method.name });
-          
+
           // creating a toast using "success", "info", "warning" or "danger" shortcut methods:
                     var myToastMsg = $translate('method_save').then(function (translation) {
             // Show message
@@ -179,7 +179,7 @@ dashboardControllers.controller('StudentInstructionsCtrl', function StudentInstr
               timeout: 6000 // By default 4000
             });
           });
-        
+
         }
       ,function(data, status, headers, config) {                              //error
           console.log("Error from API: " + data.error+"("+data.status+")");
@@ -212,7 +212,7 @@ dashboardControllers.controller('StudentInstructionsCtrl', function StudentInstr
                 break;
               }
             }
-            
+
           })
           .error(function(data, status, headers, config) {
             console.log("Error from API: " + data.error);
@@ -276,21 +276,28 @@ dashboardControllers.controller('StudentInstructionsCtrl', function StudentInstr
         // Buscar method
         for(var i=0; i<$scope.methods.length; i++) {
           var m = $scope.methods[i];
-          if(ins.method == m.id){ 
+          if(ins.method == m.id){
             // Buscar la instrucción y eliminar de la vista
             for(var j=0; j<m.instructions.length; j++) {
-              if(ins.id == m.instructions[j].id){ 
+              if(ins.id == m.instructions[j].id){
                 $scope.methods[i].instructions.splice(j,1);
                 break;
               }
             }
             break;
-          }       
+          }
         }
 
       })
       .error(function(data, status, headers, config) {
         console.log("Error from API: " + data.error);
+        var myToastMsg = $translate('cannot_delete_instruction').then(function (translation) {
+        // Show message
+        ngToast.warning({
+          content: translation,
+          timeout: 6000 // By default 4000
+        });
+      });
       });
   };
 
@@ -319,4 +326,4 @@ dashboardControllers.controller('StudentInstructionsCtrl', function StudentInstr
 
   };
   // End Modal window to view instruction details
-});
\ No newline at end of file
+});