ProcessLinks

ProcessLinks: function (message) {
        var deferred = $q.defer();
        var _self = this;
        setTimeout(function () {
            var expression = /(\b(https?):\/\/[-A-Z0-9+&@#\/%?=~_|!:,.;]*[-A-Z0-9+&@#\/%=~_|])/ig;
            var matches = message.match(expression);
            if (matches[0].trim.length == message.trim.length) {
                _self.isImage(message).then(function () {
                    deferred.resolve(_self.replaceURLWithImg(message));
                });
                deferred.resolve(_self.replaceURLWithLink(message));
            }
        }, 1000);

        return deferred.promise;
    });