middleware.js

const Blog = require("./models/blog.models");
const Comment = require("./models/comment.model");
const ExpressError = require("./utils/ExpressError");
// const {blogSchema} = require("./schema");

module.exports.isLoggedIn = (req, res, next) => {
  if (!req.isAuthenticated()) {
    //redirectUrl
    req.session.redirectUrl = req.originalUrl;
    req.flash("error", "You Must Be Logged In");
    return res.redirect("/user/login");
  }
  next();
};

module.exports.saveRedirectUrl = (req, res, next) => {
  if (req.session.redirectUrl) {
    res.locals.redirectUrl = req.session.redirectUrl;
  }
  next();
};

// module.exports.isAdmin= async(req,res,next)=>{
//     if(res.locals.currUser.role != "admin"){
//         req.flash("error","You are Not the Admin");
//         return res.redirect(`/`);
//     };
//     next();
// };

// //Validate Images
// module.exports.validateImage = (req,res,next)=>{
//     let {error} = imageSchema.validate(req.body);
//     if(error){
//         console.log(error);
//         let errMsg = error.details.map((el)=>el.message).join(",");
//         throw new ExpressError(400,errMsg,error);
//     }else{
//         next();
//     }
// };
module.exports.isOwner = async (req, res, next) => {
  let { id } = req.params;
  let BlogOwner = await Blog.findById(id);
  if (!BlogOwner.owner.equals(res.locals.currUser._id)) {
    req.flash("error", "You are Not the Owner Of these Blog");
    return res.redirect(`/profile/${id}`);
  }
  next();
};

module.exports.isCommmentAuthor = async (req, res, next) => {
  let { id, commentId } = req.params;
  let comment = await Comment.findById(commentId);
  if (!comment.author.equals(res.locals.currUser._id)) {
    req.flash("error", "You did not Post These Comment");
    return res.redirect(`/dashboard/${id}`);
  }
  next();
};