multi-process-session/bin/session.js

manage multi process session

// Generated by CoffeeScript 2.3.1
(function() {
  var Session, _, client, redis;

  redis = require("redis");

  _ = require('underscore');

  client = null;

  Session = class Session {
    constructor(sid1, options, cb) {
      this.sid = sid1;
      if (!client) {
        client = redis.createClient(options);
      }
      client.get(this.sid, (err, result) => {
        if (err) {
          return cb(err);
        }
        this.session = JSON.parse(result) || {};
        return cb(null);
      });
    }

    set(key, value) {
      this.session[key] = value;
      return this.changed = true;
    }

    get(key) {
      return this.session[key];
    }

    del(key) {
      delete this.session[key];
      return this.changed = true;
    }

    clear(cb) {
      this.session = {};
      return client.del(this.sid, cb);
    }

    setGroupName(groupName) {
      this.groupName = groupName;
    }

    clearGroupByName(name, cb) {
      var kicked_out_key, skey;
      skey = 'session:ids:' + name;
      kicked_out_key = "session:k:ids:" + name;
      return client.smembers(skey, (err, members) => {
        var afterAll;
        if (err) {
          return cb(err);
        }
        if (members.length === 0) {
          return cb(null);
        }
        afterAll = _.after(members.length, cb);
        return _.each(members, (sid) => {
          return client.sadd(kicked_out_key, sid, (err) => { // added to kicked_out keys
            if (err) {
              return cb(err);
            }
            return client.del(sid, (err) => {
              if (err) {
                return cb(err);
              }
              return client.srem(skey, sid, function(err) {
                if (err) {
                  return cb(err);
                }
                return afterAll();
              });
            });
          });
        });
      });
    }

    isKickedOut(sid) {}

    save(expire, cb) {
      if (!this.changed) {
        return cb(null);
      }
      return client.set(this.sid, JSON.stringify(this.session), (err) => {
        if (err) {
          return cb(err);
        }
        return client.expire(this.sid, expire, (err) => {
          if (err) {
            return cb(err);
          }
          if (this.groupName) {
            return client.sadd('session:ids:' + this.groupName, this.sid, (err) => {
              if (err) {
                return cb(err);
              }
              this.changed = false;
              return cb(null);
            });
          } else {
            this.changed = false;
            return cb(null);
          }
        });
      });
    }

  };

  module.exports = Session;

}).call(this);