diffusion/src/node_modules/services/security/role-serialiser.js

Diffusion JavaScript client

var TopicPermission = require('features/security').TopicPermission;
var GlobalPermission = require('features/security').GlobalPermission;

var Converter = require('serialisers/enum-converter');
var curryR = require('util/function').curryR;
var Codec = require('io/codec');

// Spice up our code by curring read/write functions with specific permission enums
var writeGlobalPerm = curryR(Converter.write, GlobalPermission);
var writeTopicPerm = curryR(Converter.write, TopicPermission);

var readGlobalPerm = curryR(Converter.read, GlobalPermission);
var readTopicPerm = curryR(Converter.read, TopicPermission);

var writeTopicPerms = curryR(Codec.writeCollection, writeTopicPerm);
var readTopicPerms = curryR(Codec.readCollection, readTopicPerm);

var serialiser = {
    read : function(input) {
        return {
            name : Codec.readString(input),
            global : Codec.readCollection(input, readGlobalPerm),
            default : Codec.readCollection(input, readTopicPerm),
            topic : Codec.readDictionary(input, readTopicPerms),
            roles : Codec.readCollection(input, Codec.readString)
        };
    },
    write : function(output, role) {
        Codec.writeString(output, role.name);
        Codec.writeCollection(output, role.global, writeGlobalPerm);
        Codec.writeCollection(output, role.default, writeTopicPerm);
        Codec.writeDictionary(output, role.topic, writeTopicPerms);
        Codec.writeCollection(output, role.roles, Codec.writeString);
    }
};

module.exports = serialiser;