mrq-client-query

A mongoose middleware extending the behavior of mongoose-rest-query, providing more flexibility by allowing querying to be done at client.

Motivation

• Less code @ server for queries that requires Query Operators
  • Less middlewares
  • Less routes
  • Less controllers

What it does

• handleJSON(req, res, next): Converts each value in req.query to JSON.

• setModel(models): Set models variable to models (format: {modelName: model}) for customAPI to use.

• customAPI(req, res): Allow querying to be done from Client.

Set up

var mrqClient = require('mrq-client-query'),
    app = require('express')();

mrqClient.setModel(model);

app.use(mrqClient.handleJSON);
app.use('/api/custom', mrqClient.customAPI);

Use

In addition to mongoose-rest-query, the following query operators can be used:

• $eq
• $ne
• $exists
• $regex
• $text

(not all have been tested)

mrq already allows:

• $gte
• $gt
• $lte
• $lt
• $ne (Bug in mrq, 'null' was being passed by Mongoose to MongoDB as string)
• $in
• $nin

~~Limitations~~

• ~~Query operators which uses arrays cannot be used~~

  ~~E.g:~~

  var query = {
              type: TYPE.clothing,
              $or:
                  [
                      {
                          hasDesignations: false
  
                      },
                      {
                          parentDesignation: { $ne: null }
                      }
                  ]
  }
    

  ~~mongoose-rest-query converts the array into:~~

  { '$and': [ 
          { $or: { hasDesignations: false }, 
          { $or: { parentDesignation: { $ne: null } }
      ]
  }

  ~~ERROR: $or needs array~~

  To pass array, use JSON.stringify

Version of mongoose-rest-query tested: 0.1.6