var _ = require('lodash');

var whitespaceHead = /^\s+/
var whitespaceTail = /\s+$/

var util = {}
util.trim = function (s){ return s.replace(whitespaceHead,"").replace(whitespaceTail,"") }

util.cleanQuery = function (query) {
    var update = _.extend({}, query);
    delete update._id;
    delete update.created_at;
    delete update.modified_at;
    delete update.modified_by;
    delete update.created_by;
    return update;
}


module.exports = util