Function saveAssociations

lib/Instance.js:276–344

(cb)

    }
  };
  var saveAssociations = function (cb) {
    var pending = 1, errored = false, i, j;
    var saveAssociation = function (accessor, instances) {
      pending += 1;

      instance[accessor](instances, function (err) {
        if (err) {
          if (errored) return;

          errored = true;
          return cb(err, true);
        }

        if (--pending === 0) {
          return cb(null, true);
        }
      });
    };

    var _saveOneAssociation = function (assoc) {
      if (!instance[assoc.name] || typeof instance[assoc.name] !== "object") return;
      if (assoc.reversed) {
        // reversed hasOne associations should behave like hasMany
        if (!Array.isArray(instance[assoc.name])) {
          instance[assoc.name] = [ instance[assoc.name] ];
        }
        for (var i = 0; i < instance[assoc.name].length; i++) {
          if (!instance[assoc.name][i].isInstance) {
            instance[assoc.name][i] = new assoc.model(instance[assoc.name][i]);
          }
          saveAssociation(assoc.setAccessor, instance[assoc.name][i]);
        }
        return;
      }
      if (!instance[assoc.name].isInstance) {
        instance[assoc.name] = new assoc.model(instance[assoc.name]);
      }

      saveAssociation(assoc.setAccessor, instance[assoc.name]);
    };

    for (i = 0; i < opts.one_associations.length; i++) {
      _saveOneAssociation(opts.one_associations[i]);
    }


    var _saveManyAssociation = function (assoc) {
      var assocVal = instance[assoc.name];

      if (!Array.isArray(assocVal)) return;
      if (!opts.associations[assoc.name].changed) return;

      for (j = 0; j < assocVal.length; j++) {
        if (!assocVal[j].isInstance) {
          assocVal[j] = new assoc.model(assocVal[j]);
        }
      }