mvom/dataTransformers/ISOCalendarDateDataTransformer.js

Multivalue Object Mapper

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
var _dateFns = require("date-fns");
var _constants = require("../constants");
var _errors = require("../errors");
/** ISOCalendarDate Data Transformer */
class ISOCalendarDateDataTransformer {
  /**
   * Transform mv date data to ISO 8601 approved date format (yyyy-mm-dd)
   * @throws {@link TransformDataError} Database value could not be transformed to external format
   */

  transformFromDb(value) {
    if (value == null) {
      return null;
    }
    const castValue = Number(value);
    if (!Number.isInteger(castValue)) {
      throw new _errors.TransformDataError({
        transformClass: this.constructor.name,
        transformValue: value
      });
    }
    return (0, _dateFns.format)((0, _dateFns.addDays)(_constants.mvEpoch, castValue), _constants.ISOCalendarDateFormat);
  }

  /**
   * Transform ISO 8601 approved date format (yyyy-mm-dd) to mv date data
   * @throws {@link TransformDataError} Value could not be transformed to database format
   */

  transformToDb(value) {
    if (value == null) {
      return null;
    }
    if (typeof value !== 'string') {
      throw new _errors.TransformDataError({
        transformClass: this.constructor.name,
        transformValue: value
      });
    }
    return String((0, _dateFns.differenceInDays)(this.parseISOCalendarDate(value), _constants.mvEpoch));
  }

  /** Transform query constants to ISOCalendarDate format */
  transformToQuery(value) {
    if (value === '' || value == null) {
      return '';
    }
    if (typeof value !== 'string') {
      throw new _errors.TransformDataError({
        transformClass: this.constructor.name,
        transformValue: value
      });
    }
    try {
      return (0, _dateFns.format)(this.parseISOCalendarDate(value), _constants.ISOCalendarDateFormat);
    } catch (error) {
      throw new _errors.TransformDataError({
        transformClass: this.constructor.name,
        transformValue: value
      });
    }
  }

  /** Parse ISOCalendarDate string into date */
  parseISOCalendarDate(value) {
    return (0, _dateFns.parse)(value, _constants.ISOCalendarDateFormat, new Date());
  }
}
var _default = exports.default = ISOCalendarDateDataTransformer;