GCTC-NTGC / TalentCloud

import { createSelector } from "reselect";

import { RootState } from "../store";

import { User } from "../../models/types";

import { hasKey } from "../../helpers/queries";

const getUsersById = (state: RootState): { [id: number]: User } =>

  state.user.usersById;

export const getUsers = createSelector(getUsersById, (usersById): User[] =>

  Object.values(usersById),

);

export const getUserById = (

  state: RootState,

  { userId }: { userId: number },

): User | null => {

  const usersById = getUsersById(state);

  return hasKey(usersById, userId) ? usersById[userId] : null;

};