all files / lib/offshore/utils/nestedOperations/ valuesParser.js

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/**
 * Module Dependencies
 */
 
var hasOwnProperty = require('../helpers').object.hasOwnProperty;
 
/**
 * Traverse an object representing values and map out any associations.
 *
 * @param {String} model
 * @param {Object} schema
 * @param {Object} values
 * @return {Object}
 * @api private
 */
 
 
module.exports = function(model, schema, values) {
  var self = this;
 
  // Pick out the top level associations
  var associations = {
    collections: {},
    models: {}
  };
 
  Object.keys(values).forEach(function(key) {
 
    // Ignore values equal to null
    if (values[key] === null) return;
 
    // Ignore joinTables
    if (hasOwnProperty(schema[model], 'junctionTable')) return;
    if (!hasOwnProperty(schema[model].attributes, key)) return;
 
    var attribute = schema[model].attributes[key];
    if (!hasOwnProperty(attribute, 'collection') && !hasOwnProperty(attribute, 'foreignKey')) return;
 
    if (hasOwnProperty(attribute, 'collection')) associations.collections[key] = values[key];
    if (hasOwnProperty(attribute, 'foreignKey')) associations.models[key] = values[key];
 
  });
 
  return associations;
};