find.js

var actionUtil = require('sails/lib/hooks/blueprints/actionUtil');

/**
 * This adds a content range header to each find response.
 * That allows us to implement a pagination client side.
 */
module.exports = function(req, res) {

	if (actionUtil.parsePk(req)) {
		return require('./findOne')(req, res);
	}

	var Model = actionUtil.parseModel(req),
		where = actionUtil.parseCriteria(req),
		limit = actionUtil.parseLimit(req),
		skip = actionUtil.parseSkip(req),
		sort = actionUtil.parseSort(req),
		query = Model.find().where(where).limit(limit).skip(skip).sort(sort);

	query = actionUtil.populateEach(query, req);
	query.exec(function(error, records) {

		if (error) {
			return res.serverError(error);
		}

		Model.count(where).exec(function(error, count) {

			if (error) {
				return res.serverError(error);
			}

			var metaInfo = {
				start: skip,
				end: skip + limit,
				limit: limit,
				total: count,
				criteria: where
			};

			res.set('Content-Range', metaInfo.start + '-' + metaInfo.end + '/' + metaInfo.total);
			return res.ok(records, null, null, metaInfo);
		});
	});
};