added relations key

lib/abstract-class.js

@@ -666,6 +666,13 @@ AbstractClass.prototype.reset = function () {
 AbstractClass.hasMany = function hasMany(anotherClass, params) {
     var methodName = params.as; // or pluralize(anotherClass.modelName)
     var fk = params.foreignKey;
+
+    this.relations[params['as']] = {
+        type: 'hasMany',
+        keyFrom: 'id',
+        keyTo: params['foreignKey'],
+        multiple: true
+    };
     // each instance of this class should have method named
     // pluralize(anotherClass.modelName)
     // which is actually just anotherClass.all({where: {thisModelNameId: this.id}}, cb);
@@ -733,6 +740,13 @@ AbstractClass.belongsTo = function (anotherClass, params) {
     var methodName = params.as;
     var fk = params.foreignKey;
 
+    this.relations[params['as']] = {
+        type: 'belongsTo',
+        keyFrom: params['foreignKey'],
+        keyTo: 'id',
+        multiple: false
+    };
+
     this.schema.defineForeignKey(this.modelName, fk);
     this.prototype['__finders__'] = this.prototype['__finders__'] || {};
 

lib/schema.js

@@ -157,6 +157,7 @@ Schema.prototype.define = function defineClass(className, properties, settings)
     hiddenProperty(NewClass, 'modelName', className);
     hiddenProperty(NewClass, 'cache', {});
     hiddenProperty(NewClass, 'mru', []);
+    hiddenProperty(NewClass, 'relations', {});
 
     // inherit AbstractClass methods
     for (var i in AbstractClass) {

test/common_test.js

@@ -432,6 +432,29 @@ function testOrm(schema) {
         });
     });
 
+    if (
+        !schema.name.match(/redis/) &&
+            schema.name !== 'memory' &&
+            schema.name !== 'neo4j' &&
+            schema.name !== 'cradle'
+        )
+    it('relations key is working', function (test) {
+        test.ok(User.relations, 'Relations key should be defined');
+        test.ok(User.relations.posts, 'posts relation should exist on User');
+        test.equal(User.relations.posts.type, 'hasMany', 'Type of hasMany relation is hasMany');
+        test.equal(User.relations.posts.multiple, true, 'hasMany relations are multiple');
+        test.equal(User.relations.posts.keyFrom, 'id', 'keyFrom is primary key of model table');
+        test.equal(User.relations.posts.keyTo, 'userId', 'keyTo is foreign key of related model table');
+
+        test.ok(Post.relations, 'Relations key should be defined');
+        test.ok(Post.relations.author, 'author relation should exist on Post');
+        test.equal(Post.relations.author.type, 'belongsTo', 'Type of belongsTo relation is belongsTo');
+        test.equal(Post.relations.author.multiple, false, 'belongsTo relations are not multiple');
+        test.equal(Post.relations.author.keyFrom, 'userId', 'keyFrom is foreign key of model table');
+        test.equal(Post.relations.author.keyTo, 'id', 'keyTo is primary key of related model table');
+        test.done();
+    });
+
     it('should handle hasMany relationship', function (test) {
         User.create(function (err, u) {
             if (err) return console.log(err);
@@ -449,7 +472,6 @@ function testOrm(schema) {
         });
     });
 
-
     if (
         !schema.name.match(/redis/) &&
             schema.name !== 'memory' &&