Nodejs/Express: Facing issues while working on routings - node.js

Question

viewController.js
const Book = require('./../models/bookModel')
const APIFeatures = require('./../utils/apiFeatures.js')
exports.getOverview=async(req,res,next)=>{
const features = new APIFeatures(Book.find(),req.query).filter().paginations()
let getItAllProd = await features.getBook;
res.render('overview',{
data:getItAllProd,
title:"trending books"
})
next()
}
exports.getOneBook =async(req,res,next)=>{
const getThatBook = await Book.findOne({slug:req.params.id})
res.render('onebook',{
data:getThatBook
})
next()
}
exports.categories= async(req,res,next)=>{
const getCate = await Book.find({category:req.params.category});
res.render('overview',{
data:getCate,
name:req.params
})
next()
}
exports.paginationOfBook = async(req,res,next)=>{
let pages = req.params.page
pages = pages * 6 || 6;
const limit = 6;
let skip = pages-6;
const getlimitedbook = await Book.find({}).limit(limit).skip(skip);
res.render('overview',{
data:getlimitedbook,
})
next()
}
viewRoutes.js
const express = require('express');
const viewController = require('./../controllers/viewController')
const router = express.Router();
router.get('/overview',viewController.getOverview)
router.get('/overview/:category',viewController.categories)
router.get('/overview/:page',viewController.paginationOfBook)
router.get('/overview/:id',viewController.getOneBook)
module.exports = router;
using http://localhost:3000/overview I can get all the books and http://localhost:3000/overview/:category - using this I get the books by categories. but if I try to load the the for http://localhost:3000/overview/:page and http://localhost:3000/overview?:id - the data will not load up.. so below I did some changes in routing..
router.get('/overview',viewController.getOverview)
router.get('/overview/:id',viewController.getOneBook)
router.get('/overview/:category',viewController.categories)
router.get('/overview/:page',viewController.paginationOfBook)
Now I have access to the '/overview' and '/overview/:Id'. but not for others. the data is not loading for them. do you have any solution? so I can access all the routes.uuu

Answer 1

First of all please elaborate you're question more. But I think the problem is in the following line:
const getThatBook = await Book.findOne({slug:req.params.id})
edit this line to:
const getThatBook = await Book.findById(req.params.id)
and call this route like this http://localhost:3000/overview/34234232...
Or change your "id" to "slug" in the following line.
const getThatBook = await Book.findOne({slug:req.params.slug})
and call this route like this http://localhost:3000/overview/xyz_book_slug...
router.get('/overview/:slug',viewController.getOneBook)
and pass the book's slug property value when calling this route.