store.js

import lunr from "lunr";
import stemmerSupport from "lunr-languages/lunr.stemmer.support.js";
import fr from "lunr-languages/lunr.fr.js";
import { createStore } from "redux";
import airtableConstants from "./utils/hardcoded_strings";

stemmerSupport(lunr);
fr(lunr);

const initialState = {
  enIdx: {},
  favouriteBenefits: [],
  frIdx: {},
  searchString: "",
  selectedNeeds: {},
  cookiesDisabled: false,
  language: "",
  betaFeedback: ""
};
airtableConstants.tableNames.forEach(tableName => {
  initialState[tableName] = [];
});

// REDUCERS
export const reducer = (state = initialState, action) => {
  let benefits, benefitExamples, language, enIdx, frIdx, newState;

  switch (action.type) {
    case "INDEX_BENEFITS":
      benefits = state.benefits;
      benefitExamples = state.benefitExamples;
      benefits.forEach(x => {
        if (x.benefitExamples) {
          const releventExamples = benefitExamples.filter(
            y => x.benefitExamples.indexOf(y.id) > -1
          );
          x.benefitExamplesEn = releventExamples.map(y => y.english).join(" ");
          x.benefitExamplesFr = releventExamples.map(y => y.french).join(" ");
        }
      });
      enIdx = lunr(function() {
        this.ref("id");
        this.field("vacNameEn");
        this.field("oneLineDescriptionEn");
        this.field("benefitExamplesEn");
        benefits.forEach(function(doc) {
          this.add(doc);
        }, this);
      });

      frIdx = lunr(function() {
        this.ref("id");
        this.use(lunr.fr);
        this.field("vacNameFr");
        this.field("oneLineDescriptionFr");
        this.field("benefitExamplesFr");
        benefits.forEach(function(doc) {
          this.add(doc);
        }, this);
      });

      return Object.assign({}, state, {
        enIdx: JSON.stringify(enIdx),
        frIdx: JSON.stringify(frIdx)
      });

    case "LOAD_DATA":
      newState = {
        favouriteBenefits:
          action.data.favouriteBenefits !== undefined
            ? action.data.favouriteBenefits
            : state.favouriteBenefits,
        timestamp:
          action.data.timestamp !== undefined
            ? action.data.timestamp
            : state.timestamp
      };
      airtableConstants.tableNames.forEach(tableName => {
        newState[tableName] =
          action.data[tableName] !== undefined
            ? action.data[tableName]
            : state[tableName];
      });
      newState["errors"] =
        action.data["errors"] !== undefined
          ? action.data["errors"]
          : state["errors"];
      return Object.assign({}, state, newState);

    case "SAVE_QUESTION_RESPONSE":
      return Object.assign({}, state, action.data);

    case "SET_LANGUAGE":
      language = action.data;
      language = language.indexOf("fr") != -1 ? "fr" : "en";
      return Object.assign({}, state, { language: language });

    case "SET_SEARCH_STRING":
      return Object.assign({}, state, {
        searchString: action.data
      });
    case "SET_SELECTED_NEEDS":
      return Object.assign({}, state, {
        selectedNeeds: action.data
      });
    case "SET_REFERRER":
      return Object.assign({}, state, {
        referrer: action.data
      });
    case "SET_COOKIES_DISABLED":
      return Object.assign({}, state, { cookiesDisabled: action.data });
    default:
      return state;
  }
};

export const initStore = (state = initialState) => {
  return createStore(reducer, state);
};