Added support for Model.getAssociatedModel({ through : { where : { ... } }})

lib/associations/belongs-to-many.js

@@ -445,6 +445,12 @@ BelongsToMany.prototype.injectGetter = function(obj) {
       throughWhere = {};
       throughWhere[association.foreignKey] = instance.get(association.source.primaryKeyAttribute);
 
+      if (options.through && options.through.where)
+        throughWhere = { $and : [
+            throughWhere,
+            options.through.where
+        ]};
+
       if (through.scope) {
         _.assign(throughWhere, through.scope);
       }