WIP

lib/dao.js

@@ -7,6 +7,7 @@ module.exports = (function() {
   var DAO = function(values, options, isNewRecord) {
     var self = this
 
+    this.dataValues                  = []
     this.__options                   = options
     this.hasPrimaryKeys              = options.hasPrimaryKeys
     this.selectedValues              = values
@@ -16,18 +17,9 @@ module.exports = (function() {
 
     if (this.hasDefaultValues) {
       Utils._.each(this.defaultValues, function (value, name) {
-        if (typeof self[name] === 'undefined') {
         self.addAttribute(name, value());
-        }
       })
     }
-
-    if (this.booleanValues.length) {
-      this.booleanValues.forEach(function (name) {
-        //transform integer 0,1 into boolean
-        self[name] = !!self[name];
-      });
-    }
   }
   Utils._.extend(DAO.prototype, Mixin.prototype)
 
@@ -42,7 +34,7 @@ module.exports = (function() {
   Object.defineProperty(DAO.prototype, 'isDeleted', {
     get: function() {
       var result = this.__options.timestamps && this.__options.paranoid
-      result = result && this[this.__options.underscored ? 'deleted_at' : 'deletedAt'] !== null
+      result = result && this.dataValues[this.__options.underscored ? 'deleted_at' : 'deletedAt'] !== null
 
       return result
     }
@@ -54,7 +46,7 @@ module.exports = (function() {
         , self   = this
 
       this.attributes.concat(this.__eagerlyLoadedAssociations).forEach(function(attr) {
-        result[attr] = self[attr]
+        result[attr] = self.dataValues[attr]
       })
 
       return result
@@ -67,7 +59,7 @@ module.exports = (function() {
         , self   = this
 
       Utils._.each(this.__factory.primaryKeys, function(_, attr) {
-        result[attr] = self[attr]
+        result[attr] = self.dataValues[attr]
       })
 
       return result
@@ -85,7 +77,7 @@ module.exports = (function() {
       }
 
       primaryKeys.forEach(function(identifier) {
-        result[identifier] = self[identifier]
+        result[identifier] = self.dataValues[identifier]
       })
 
       return result
@@ -111,9 +103,11 @@ module.exports = (function() {
         }
       }
 
+      var tmpVals = self.values
+
       fields.forEach(function(field) {
-        if (self.values[field] !== undefined) {
-          values[field] = self.values[field]
+        if (tmpVals[field] !== undefined) {
+          values[field] = tmpVals[field]
         }
       })
     }
@@ -132,7 +126,7 @@ module.exports = (function() {
     }
 
     if (this.__options.timestamps && this.hasOwnProperty(updatedAtAttr)) {
-      this[updatedAtAttr] = values[updatedAtAttr] = Utils.now()
+      this.dataValues[updatedAtAttr] = values[updatedAtAttr] = Utils.now()
     }
 
     if (this.isNewRecord) {
@@ -277,7 +271,7 @@ module.exports = (function() {
   DAO.prototype.destroy = function() {
     if (this.__options.timestamps && this.__options.paranoid) {
       var attr = this.__options.underscored ? 'deleted_at' : 'deletedAt'
-      this[attr] = new Date()
+      this.dataValues[attr] = new Date()
       return this.save()
     } else {
       var identifier = this.__options.hasPrimaryKeys ? this.primaryKeyValues : this.id
@@ -338,7 +332,27 @@ module.exports = (function() {
   }
 
   DAO.prototype.addAttribute = function(attribute, value) {
-    this[attribute] = value
+    if (typeof this.dataValues[attribute] !== 'undefined')
+      return;
+
+    var def    = {},
+        predef = Object.getOwnPropertyDescriptor(this, attribute),
+        isBool = this.booleanValues.length && this.booleanValues.indexOf(attribute) !== -1;
+
+    if (isBool) // transform integer 0,1 into boolean
+      value = !!value;
+
+    var hasnot = function(which) {
+      return !predef || (!predef.hasOwnProperty('value') && !predef.hasOwnProperty(which));
+    };
+
+    if (hasnot('get')) def.get = function()  { return this.dataValues[attribute]; };
+    if (hasnot('set')) def.set = function(v) { this.dataValues[attribute] = v;    };
+
+    if (Utils._.size(def))
+      Object.defineProperty(this, attribute, def);
+
+    this.dataValues[attribute] = value;
   }
 
   DAO.prototype.setValidators = function(attribute, validators) {
@@ -374,11 +388,7 @@ module.exports = (function() {
 
     if (Utils._.size(defaults)) {
       for (var attr in defaults) {
-        var value = defaults[attr]
-
-        if (!this.hasOwnProperty(attr)) {
-          this.addAttribute(attr, Utils.toDefaultValue(value))
-        }
+        this.addAttribute(attr, Utils.toDefaultValue(defaults[attr]))
       }
     }
   }