add gladys.house.userSeen function

api/core/house/house.userSeen.js

@@ -0,0 +1,14 @@
+
+module.exports = function userSeen(options) {
+
+    // see if user is at home
+    return gladys.house.isUserAtHome(options)
+        .then((atHome) => {
+
+            // if yes, do nothing
+            if(atHome) return null;
+
+            // if no, save event "back-at-home"
+            return gladys.event.create({code: 'back-at-home', user: options.user, house: options.house});
+        });
+};

api/core/house/index.js

@@ -7,4 +7,5 @@ module.exports.getUsers = require('./house.getUsers.js');
 module.exports.getAll = require('./house.getAll.js');
 module.exports.isEmpty = require('./house.isEmpty.js');
 module.exports.isUserAtHome = require('./house.isUserAtHome.js');
-module.exports.update = require('./house.update.js');
+module.exports.update = require('./house.update.js');
+module.exports.userSeen = require('./house.userSeen.js');

test/unit/api/core/house/house.userSeen.test.js

@@ -0,0 +1,24 @@
+var should = require('should');
+var validateHouse = require('../../validator/houseValidator.js');
+
+describe('House', function() {
+
+  describe('userSeen', function() {
+
+    it('should create a back-at-home event', function (done) {
+
+        var options = {
+            house: 1,
+            user: 2
+        };
+
+        gladys.house.userSeen(options)
+            .then(function(result){
+                should.exist(result);
+
+                done();
+            }).catch(done);
+    });
+
+  });
+});