Function Model

lib/Model.js:27–761

(opts)

exports.Model = Model;

function Model(opts) {
  opts = _.defaults(opts || {}, {
    keys: []
  });
  opts.keys = Array.isArray(opts.keys) ? opts.keys : [opts.keys];

  var one_associations       = [];
  var many_associations      = [];
  var extend_associations    = [];
  var association_properties = [];
  var model_fields           = [];
  var fieldToPropertyMap     = {};
  var allProperties          = {};
  var keyProperties          = [];

  var createHookHelper = function (hook) {
    return function (cb) {
      if (typeof cb !== "function") {
        delete opts.hooks[hook];
      } else {
        opts.hooks[hook] = cb;
      }
      return this;
    };
  };

  var createInstance = function (data, inst_opts, cb) {
    if (!inst_opts) {
      inst_opts = {};
    }

    var found_assoc = false, i, k;

    for (k in data) {
      if (k === "extra_field") continue;
      if (opts.properties.hasOwnProperty(k)) continue;
      if (inst_opts.extra && inst_opts.extra.hasOwnProperty(k)) continue;
      if (opts.keys.indexOf(k) >= 0) continue;
      if (association_properties.indexOf(k) >= 0) continue;

      for (i = 0; i < one_associations.length; i++) {
        if (one_associations[i].name === k) {
          found_assoc = true;
          break;
        }
      }
      if (!found_assoc) {
        for (i = 0; i < many_associations.length; i++) {
          if (many_associations[i].name === k) {
            found_assoc = true;
            break;
          }
        }
      }
      if (!found_assoc) {
        delete data[k];
      }
    }