closes #2628

src/database/mongo/hash.js

@@ -174,6 +174,31 @@ module.exports = function(db, module) {
 		});
 	};
 
+	module.isObjectFields = function(key, fields, callback) {
+		if (!key) {
+			return callback();
+		}
+
+		var data = {};
+		fields.forEach(function(field) {
+			field = helpers.fieldToString(field);
+			data[field] = '';
+		});
+
+		db.collection('objects').findOne({_key: key}, {fields: data}, function(err, item) {
+			if (err) {
+				return callback(err);
+			}
+			var results = [];
+
+			fields.forEach(function(field, index) {
+				results[index] = !!item && item[field] !== undefined && item[field] !== null;
+			});
+
+			callback(null, results);
+		});
+	};
+
 	module.deleteObjectField = function(key, field, callback) {
 		callback = callback || helpers.noop;
 		if (!key || !field) {

tests/database/hash.js

@@ -222,7 +222,7 @@ describe('Hash methods', function() {
 		});
 
 		it('should return false if field does not exist', function(done) {
-			db.isObjectField('testObject1', 'field1', function(err, value) {
+			db.isObjectField('hashTestObject', 'field1', function(err, value) {
 				assert.equal(err, null);
 				assert.equal(arguments.length, 2);
 				assert.equal(value, false);
@@ -240,6 +240,27 @@ describe('Hash methods', function() {
 		});
 	});
 
+
+	describe('isObjectFields()', function() {
+		it('should return an array of false if object does not exist', function(done) {
+			db.isObjectFields('doesnotexist', ['field1', 'field2'], function(err, values) {
+				assert.equal(err, null);
+				assert.equal(arguments.length, 2);
+				assert.deepEqual(values, [false, false]);
+				done();
+			});
+		});
+
+		it('should return false if field does not exist', function(done) {
+			db.isObjectFields('hashTestObject', ['name', 'age', 'field1'], function(err, values) {
+				assert.equal(err, null);
+				assert.equal(arguments.length, 2);
+				assert.deepEqual(values, [true, true, false]);
+				done();
+			});
+		});
+	});
+
 	describe('deleteObjectField()', function() {
 		before(function(done) {
 			db.setObject('testObject10', {foo: 'bar', delete: 'this'}, done);