req.user.id = undefined 일 때 조건(로그인/비로그인일 경우)

 

* 상황 : Word의 값을 찾을 때 UserId값이 필요(SQL : select * from word from UserId = req.user.id)

* req.user.id값은 로그인 하지 않았을 경우 계속 undefined로 표시

* 로그인이 됬을 때만 req.user.id값으로 찾는 정보들이 표시되고 아닐 경우 Word 값 표시되지 않게 하기

 

const express = require("express");
const { isLoggedIn, isNotLoggedIn } = require("./middlewares");
const { Post, User, Hashtag, Word } = require("../../models");
const { Op, fn, col, literal } = require("sequelize");
const sequelize = require("sequelize");

const router = express.Router();
router.use((req, res, next) => {
  //공통으로 쓰임
  res.locals.user = req.user;
  res.locals.followerCount = req.user ? req.user.Followers.length : 0;
  res.locals.followingCount = req.user ? req.user.Followings.length : 0;
  res.locals.followerIdList = req.user
    ? req.user.Followings.map((f) => f.id)
    : [];
  next();
});

//영단어
router.get("/index", async (req, res, next) => {
  try {
    if (req.user) { //이 부분을 조건으로 둠
      const words = await Word.findAll({
        include: {
          model: User,
          attributes: ["id", "nickname"],
        },
        order: [["createdAt", "DESC"]],
      });
      const wordsEasy = await Word.findAll({
        include: {
          model: User,
          attributes: ["id"],
        },
        attributes: ["id", "english", "korean", "status", "UserId"],
        where: {
          [Op.or]: [{ status: "A" }, { status: "C" }],
          type: "easy",
        },
        order: [["createdAt", "DESC"]],
      });
      const wordsMiddle = await Word.findAll({
        include: {
          model: User,
          attributes: ["id"],
        },
        attributes: ["id", "english", "korean", "status", "UserId"],
        where: {
          [Op.or]: [{ status: "A" }, { status: "C" }],
          type: "middle",
        },
        order: [["createdAt", "DESC"]],
      });
      const wordsAdvance = await Word.findAll({
        include: {
          model: User,
          attributes: ["id"],
        },
        attributes: ["id", "english", "korean", "status", "UserId"],
        where: {
          [Op.or]: [{ status: "A" }, { status: "C" }],
          type: "advance",
        },
        order: [["createdAt", "DESC"]],
      });
      const total = await Word.count({
        include: {
          model: User,
          attributes: ["id"],
        },
        where: {
          UserId: req.user.id,
        },
      });
      const counting = await Word.count({
        include: {
          model: User,
          attributes: ["id"],
        },
        where: {
          status: "C",
          UserId: req.user.id,
        },
      });
      const deletedWord = await Word.findAll({
        include: {
          model: User,
          attributes: ["id"],
        },
        attributes: ["id", "english", "korean", "type"],
        where: {
          status: "D",
        },
        order: [["createdAt", "DESC"]],
      });
      res.render("index", {
        title: "engWord",
        words: words,
        wordsEasy: wordsEasy,
        wordsMiddle: wordsMiddle,
        wordsAdvance: wordsAdvance,
        total: total,
        counting: counting,
        deletedWord: deletedWord,
      });
    } else {
      const words = await Word.findAll({
        include: {
          model: User,
          attributes: ["id", "nickname"],
        },
        order: [["createdAt", "DESC"]],
      });
      res.render("index", {
        title: "engWord",
        words: words,
      });
    }
  } catch (error) {
    console.error(error);
    next(error);
  }
});

 

* 참고

https://velog.io/@zero_mountain/Error-Log-passport-%EB%A1%9C%EA%B7%B8%EC%9D%B8-%EC%9C%A0%EC%A7%80

[Error Log] passport 로그인 유지