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Plugin for easy rendering of Mongoose async Query results.

tag: 0.0.2

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Readme.md

Express-mongoose adds Mongoose Query and Promise support to Express render, partial, and send methods.

Installation

$ npm install express-mongoose

Example

In your models:

User.methods.getLikes = function (callback) {
  // returns a Query
  return this.model('Likes').find({ _user: this._id }, callback);
};

News.statics.getLatest = function (callback) {
  var promise = new Promise;
  if (callback) promise.addBack(callback);
  this.find({ datePublished: { $gt: new Date(Date.now() - 60000*60) } }, promise.resolve.bind(promise));
  return promise;
};

In your routes:

app.get('/dashboard', function (req, res) {
  var News = db.model('News');

  // render support
  res.render('dashboard', {
      likes: req.user.getLikes()
    , latestNews: News.getLatest()
    , locals: {
        backwardcompatible: new Promise(somethingAsync)
      }
  });
});

app.get('/partial', function (req, res, next) {
  res.partial('likes', {
      likes: req.user.getLikes()
    , locals: {
        backwardcompatible: new Promise(somethingAsync)
      }
  });
});

With res.send support you can pass a Query or Promise and the result will be rendered as json. If an error occurs, the error will be next()ed along as expected.

app.get('/send', function (req, res) {
  var News = db.model('News');
  res.send(News.getLatest());
});

app.get('/promises', function (req, res) {
  var promise = new Promise(somethingAsync);
  res.send(promise);
});

app.get('/more', function (req, res) {
  res.send({
      promise: new Promise(somethingAsync)
    , news: req.user.getLatest()
  });
});

Features

  • res.render support
  • res.partial support
  • res.send support
  • nested locals support

Error handling

If a Query or Promise resolves to an error it will be forwarded on with next(err) as expected.

Compatibility

  • Express: 2.x
  • Mongoose: 1.x

Authors

License

(The MIT License)

Copyright (c) 2011 LearnBoost <dev@learnboost.com>

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the 'Software'), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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