Allow override sette and getters

lib/abstract-class.js

@@ -50,10 +50,18 @@ function AbstractClass(data) {
         // Public setters and getters
         Object.defineProperty(this, attr, {
             get: function () {
-                return this[_attr];
+                if (this.constructor.getter[attr]) {
+                    return this.constructor.getter[attr].call(this);
+                } else {
+                    return this[_attr];
+                }
             },
             set: function (value) {
-                this[_attr] = value;
+                if (this.constructor.setter[attr]) {
+                    this.constructor.setter[attr].call(this, value);
+                } else {
+                    this[_attr] = value;
+                }
             },
             configurable: true,
             enumerable: true
@@ -85,6 +93,9 @@ function AbstractClass(data) {
     this.trigger("initialize");
 };
 
+AbstractClass.setter = {};
+AbstractClass.getter = {};
+
 AbstractClass.defineProperty = function (prop, params) {
     this.schema.defineProperty(this.modelName, prop, params);
 };

test/common_test.js

@@ -47,7 +47,8 @@ function testOrm(schema) {
             bio:          Text,
             approved:     Boolean,
             joinedAt:     Date,
-            age:          Number
+            age:          Number,
+            password:     String
         });
 
         Post = schema.define('Post', {
@@ -234,6 +235,27 @@ function testOrm(schema) {
         });
     });
 
+    it('should handle virtual attributes', function (test) {
+        var salt = 's0m3s3cr3t5a1t';
+
+        User.setter.password = function (password) {
+            this._password = calcHash(password, salt);
+        };
+
+        function calcHash(pass, salt) {
+            var crypto = require('crypto');
+            var hash = crypto.createHash('sha256');
+            hash.update(pass);
+            hash.update(salt);
+            return hash.digest('base64');
+        }
+
+        var u = new User;
+        u.password = 's3cr3t';
+        test.equal(u.password, calcHash('s3cr3t', salt));
+        test.done();
+    });
+
     it('should update single attribute', function (test) {
         Post.create({title: 'title', content: 'content', published: true}, function (err, post) {
             post.content = 'New content';