Display the error if the exercise list can not be created

views/trainer/__init__.py

@@ -112,16 +112,23 @@ def exercises_list():
 @trainer_view.route( "/trainer/exercises/new", methods = [ "post" ] )
 @login_required
 def exercises_new():
-    name = request.form.get( "name" )
-    uuid = str( uuid4() )
-    trainer_id = session[ "user_id" ]
+    try:
+        name = request.form.get( "name" )
+        uuid = str( uuid4() )
+        trainer_id = session[ "user_id" ]
 
-    sql = sql_insert_generate( "exercises", [ "name", "uuid", "trainer_id" ], "id" )
-    config.db.query_fetchone( sql, ( name, uuid, trainer_id, ) )
-    config.db.commit()
+        sql = sql_insert_generate( "exercises", [ "name", "uuid", "trainer_id" ], "id" )
+        config.db.query_fetchone( sql, ( name, uuid, trainer_id, ) )
+        config.db.commit()
 
-    return jsonify( {
-        "error": False,
-        "data": uuid
-    } )
+        return jsonify( {
+            "error": False,
+            "data": uuid
+        } )
+    
+    except:
+        return jsonify( {
+            "error": True,
+            "msg": "Error while creating the exercises list"
+        } )
 

views/trainer/templates/trainer/exercises.html

@@ -29,7 +29,12 @@
                         method: "POST",
                         success: function( data )
                         {
-                            toastr.success( "Case created" );
+                            if( !data.error )
+                                toastr.success( "Case created" );
+                            
+                            else
+                                toastr.error( data.msg, "Server error" );
+                            
                             $( "#new_exercise_confirmation" ).remove();
                         },
                         error: function( data )