define(['dojo/_base/xhr','dojo/_base/json','dojo/_base/connect'],
    function(xhr,json,connect){
        return new (function(){
            var self = this;
            this.post = function(path,args) {
                var dfd = xhr.post({
                    url: "../server/api.php/"+path,
                    handleAs: "json",
                    headers: {
                        "Content-Type": "application/json"
                    },
                    rawBody: json.toJson(args)
                });
                dfd.then(
                    function(){},
                    self.defaultErrorHandler);
                return dfd;
            };
            this.defaultErrorHandler = function(error) {
                var msg = "An error occured!";
                try {
                    msg = json.fromJson(error.responseText).errorMsg;
                } catch (ex) {
                    msg = error.message;
                }
                self.notify(msg,'error');
            };
            this.notify =  function(text,type) {
                connect.publish('/rft/notify',{
                    text: text,
                    type: type
                });
            };
        })();
    });