apemanerror/sims/browser/from_sequelize.js

Error parser for apeman.

/**
 * Convert errors from sequelize.
 * @function fromSequelize
 */

'use strict';

var ErrorCodes = require('./error_codes');
var create = require('./create');

/** @lends fromSequelize */
function fromSequelize(error, options) {
  options = options || {};
  if (!error) {
    return null;
  }
  if (Array.isArray(error)) {
    return error.map(function (data) {
      return fromSequelize(data, options);
    });
  }

  var code = fromSequelize.parseCode(error.type);

  var pointer = String(error.path).replace(/\./g, '/');
  return create(code, pointer, {
    trigger: 'Database',
    context: { value: error.value },
    namespace: options.namespace
  });
}

Object.assign(fromSequelize, {
  parseCode: function parseCode(type) {
    var a = ErrorCodes;
    switch (String(type).toLowerCase()) {
      case 'unique violation':
        return a.RESOURCE_DATA_CONFLICT_ERROR;
      case 'notnull violation':
        return a.VALUE_MISSING_ERROR;
      case 'string violation':
        return a.VALUE_STRING_ERROR;
      default:
        console.warn('[apemanerror] Unknown sequelize error type: ' + type);
        return a.SOMETHING_WRONG_ERROR;
    }
  }
});

module.exports = fromSequelize;