@readr-media/react-feedback/lib/react-components/hooks/use-options.js

## Installation `yarn install`

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = useOptions;

var _react = _interopRequireWildcard(require("react"));

var _useUser = _interopRequireDefault(require("./use-user"));

var _api = require("../api");

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function (nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }

function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }

/**
 * @param {string}  formId
 * @param {string}  fieldId
 * @param {string}  [identifier]
 * @return {import('../../typedef').OptionAmountManager}
 */
function useOptions(formId, fieldId, identifier) {
  const [optionSummary, setOptionSummary] = (0, _react.useState)(null);
  const originalOptionSummaryRef = (0, _react.useRef)(null);
  const {
    userId
  } = (0, _useUser.default)();

  const giveOptions = async (defaultOptions, newOptions) => {
    // We use defaultOptions and newOptions to handle options change by following rules:
    // Elements in defaultOptions but not in newOptions will make subscription to summary.
    // Elements in newOptions but not in defaultOptions will make addition to summary.
    // Elements both in or not in don't make any effort.
    const originalOptionSummary = originalOptionSummaryRef.current;
    const defaultSet = new Set();
    const memorySet = new Set();
    const filterdOptions = [];

    if (newOptions.length > 0) {
      const copyOptionSummary = Object.assign({}, originalOptionSummary);

      if (defaultOptions.length > 0) {
        for (let o of defaultOptions) {
          if (defaultSet.has(o) === false) {
            copyOptionSummary[o] -= 1;
            defaultSet.add(o);
          }
        }
      }

      for (let o of newOptions) {
        if (o in copyOptionSummary && memorySet.has(o) === false) {
          copyOptionSummary[o] += 1;
          memorySet.add(o);
          filterdOptions.push(o);
        }
      }

      setOptionSummary(copyOptionSummary);
    } else {
      if (defaultOptions.length > 0) {
        const copyOptionSummary = Object.assign({}, originalOptionSummary);

        for (let o of defaultOptions) {
          copyOptionSummary[o] -= 1;
          setOptionSummary(copyOptionSummary);
        }
      } else {
        setOptionSummary(originalOptionSummary);
      }
    }

    if (!userId) return; // send request without error handle

    try {
      const result = await (0, _api.giveOptions)({
        // eslint-disable-line
        name: userId,
        form: formId,
        field: fieldId,
        identifier: identifier,
        responseTime: new Date(),
        userFeedback: filterdOptions
      });
    } catch (error) {// do nothing for now
    }
  };

  (0, _react.useEffect)(() => {
    const getOptionData = async () => {
      try {
        const result = await (0, _api.getOptionSummary)({
          form: formId,
          field: fieldId,
          identifier: identifier
        });

        if (result !== null && result !== void 0 && result.data) {
          originalOptionSummaryRef.current = result.data;
          setOptionSummary(result.data);
        }
      } catch (error) {// do nothing for now
      }
    };

    getOptionData();
  }, []);
  return {
    optionSummary,
    giveOptions
  };
}