Se crea el archivo para revisar, iniciar y cerrar la sesión de usuario

import { UserEntity } from "../infraestructure/entities/user";

import axios from "axios";

import { UserRole } from "../constants/roles";

import { ReactNode, createContext, useContext, useEffect, useState } from "react";

type AuthContextType = {

  user: UserEntity | null;

  login: (user: UserEntity, token: string) => void;

  logout: () => void;

};

const AuthContext = createContext<AuthContextType>({

  user: null,

  login: () => {},

  logout: () => {}

});

type AuthContextProviderProps = {

  children: ReactNode;

}

export const AuthContextProvider = ({children} : AuthContextProviderProps) => {

  const [user, setUser] = useState<UserEntity | null>(null);

  const saveSession = async (user: UserEntity, token: string) => {

    setUser(user);

    localStorage.setItem("token",token);

    localStorage.setItem("user",JSON.stringify(user));

    axios.defaults.headers.common["Authorization"] = `${token}`;

  }

  const deleteSession = async () => {

    setUser(null);

    localStorage.removeItem("token");

    localStorage.removeItem("user");

    axios.defaults.headers.common["Authorization"] = "";

  }

  const login = async (user: UserEntity, token: string) => {

    await saveSession(user, token);

  }

  const logout = async () => {

    await deleteSession();

  }

  const checkSession = async () => {

    const token = localStorage.getItem("token");

    const user = localStorage.getItem("user");

    if(token && user){

      const sessionUser = JSON.parse(user);

      await saveSession({email: sessionUser.email as string, role: sessionUser.role as UserRole}, token);

    }

  }

  useEffect(() => {

    checkSession();

  }, []);

  const value = {user, login, logout};

  return <AuthContext.Provider value={value}>{children}</AuthContext.Provider>

};

export const useAuth = () => {

  if(AuthContext == undefined){

    throw new Error("useAuth debe se usado dentro de un AuthContextProvider");

  }

  return useContext(AuthContext);

};

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