amcgee/remjs

var applyModifiers = require('../modifiers');
var _ = require('lodash');
var stripPrivateProperties = require('./helpers/strip-private-properties.js');

module.exports = {
    path: '/:id',
    method: 'get',
    type: 'read',
    middleware: require('./helpers/save-id'),
    handler: function(req, res) {
        if ( !req.rem.db.find ) {
            return res.status(405).send("Method not allowed.");
        }
        var query = req.rem.resource.options.buildQuery(req);
        query[req.rem.resource.options.id_key] = req.params.id;

        var opts = {
            query: query
        };

        opts = applyModifiers( opts, req );

        var cursor = req.rem.db.find(opts.query, opts.projection );
        cursor = opts.before(cursor);
        cursor.toArray( function (err, docs) {
            if ( err ) {
                return res.status(500).send("An unexpected error occurred.");
            }
            else if ( !docs || docs.length === 0 ) {
                return res.status(404).send("Resource not found.");
            }
            else if ( docs.length !== 1 ) {
                return res.status(500).send("This should never happen.");
            }

            docs = opts.after( docs );
            docs = _.map( docs, stripPrivateProperties );
            res.status(200).send(docs[0]);
        });
    }
};