mydb-expose

mydb express middleware

npm install mydb-expose
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mydb-expose

Connect middleware to expose documents through MyDB.

Example

// dependencies
var mydb = require('mydb-expose');
var express = require('express');
var app = express();
var db = require('monk')():

// middleware
app.use(express.cookieParser());
app.use(mydb({ mongo: '127.0.0.1:27017', url: '127.0.0.1:3000' }));

// example session route
app.post('/login', function(req, res){
  req.session.set('user_id', '123');
  res.send(200);
});

// example document expose
app.get('/some/doc', function(req, res){
  res.send(db.get('collection').findOne({ some: 'query' }));
});

API

Middleware

Options:

  • url
    • a string like cloudup.mydb.io or a reference to the mydb server object in case it's in the same process
  • redis
    • a redis client instance or
    • a string like localhost:6379
  • mongo
    • a monk instance
    • a string like localhost:27017/test
  • sessionExpose
    • fields to expose from the session document (defaults to '-sid')

ServerResponse#send

The express method is overridden to detect monk-style Promise objects.

If the request contains the header X-Requested-With: MyDB.

ServerRequest#session

Points to the

MySession

Operations executed on the session object defer the response sent to the client automatically, unless a callback is passed to one of the functions below.

Errors are nextd automatically.

The object is populated with the latest snapshot from the database.

reload(fn)

Reloads the session from database.

set(key, val, fn)

Calls $set with the given key and val.

unset(key, fn)

Calls $unset with the given key.

pop(key, fn)

Calls $pop with the given key.

shift(key, fn)

Calls $pop with the given key and -1, producing a shift.

push(key, val, fn)

Calls $push to the given key with val.

pushAll(key, vals, fn)

Calls $push to the given key with vals.

pull(key, val, fn)

Calls $pull with the given key and val.

pullAll(key, vals, fn)

Calls $pullAll with the given key and vals.

rename(key, newKey, fn)

Calls $rename with the given key and newKey.

get(key, fn)

Gets the given key asynchronously. Normally you just want to access req.session[key].

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