sails-mssqlserver/lib/query.js

SQL Server Adapter for Sails / Waterline

var _ = require('lodash')

var Query = function (schema) {
  this._schema = _.clone(schema)
  return this
}

/**
 * Cast special values to proper types.
 *
 * Ex: Array is stored as "[0,1,2,3]" and should be cast to proper
 * array for return values.
 */

Query.prototype.cast = function (values) {
  var self = this
  var _values = _.clone(values)

  Object.keys(values).forEach(function (key) {
    if (!self._schema[key]) return

    // Lookup schema type
    var type = self._schema[key].type
    if (!type) return

    // Attempt to parse Array or JSON type
    if (type === 'array' || type === 'json') {
      try {
        _values[key] = JSON.parse(values[key])
      } catch (e) {
        return
      }
    }

    // Convert booleans back to true/false
    if (type === 'boolean') {
      var val = values[key]
      if (val === 0) _values[key] = false
      if (val === 1) _values[key] = true
    }

    if (type === 'binary') {
      _values[key] = new Buffer(_values[key] || [])
    }
  })

  return _values
}

module.exports = Query