//routes/admin/category.js
import express from 'express'
const category = express.Router()

category.get('/',async function(req,res){
    if(req.session.user){
        const module = await import('../../controllers/admin/category/read.js')
        module.default(req,res)
    }else{
        res.redirect('/admin/login')
    }
})

category.post('/', async function(req,res){
    if(req.session.user){
        const module = await import('../../controllers/admin/category/create.js')
        module.default(req,res)
    }else{
      res.redirect('/admin/login')
    }
})

category.get('/edit/:id',async function(req,res){
    if(req.session.user){
        const module = await import('../../controllers/admin/category/read.js')
        module.default(req,res,req.params.id)
    }else{
        res.redirect('/admin/login')
    }
})

category.post('/edit/:id',async function(req,res){
    if(req.session.user){
        const module = await import('../../controllers/admin/category/update.js')
        module.default(req,res,req.params.id)
    }else{
        res.redirect('/admin/login')
    }
})

export default category

//controllers/admin/category/read.js
import settings from '../../../settings.js'
import read from '../../../models/category/read.js'
import count from '../../../models/count.js'

export default async (req,res)=>{
    let mySettings = JSON.parse(JSON.stringify(settings))
    mySettings.pageTitle = 'ទំព័រ​ជំពូក'
    mySettings.route = '/admin/category'
    
    if(req.params.id){
        mySettings.item = await read(req,mySettings.dItemLimit,req.params.id)
        const date = mySettings.item.date.toLocaleDateString('fr-CA')
        const time = mySettings.item.date.toLocaleTimeString('it-IT')
        mySettings.item.date = date + 'T' +  time
    }

    mySettings.items = await read(req,mySettings.dItemLimit)
    mySettings.count = await count(req,'categories')

    res.render('base',{data:mySettings})
}

//models/category/read.js

export default async (req,amount=10,id=false,page=0)=>{
    if(id){
        return await req.mydb.collection("categories").findOne({id:id})
    }else if(page){
        return await req.mydb.collection("categories")
                                .find().skip(amount*page).sort({date:-1,_id:-1}).limit(amount).toArray()
    }else if(amount === 'all'){
        return await req.mydb.collection("categories").find({}, {title:1,_id:0}).sort({title:1}).toArray()
    }else{
        return await req.mydb.collection("categories").find().sort({date:-1,_id:-1}).limit(amount).toArray()
    }
}

<!--views/admin/category.ejs-->
<link href="/styles/admin/category.css" rel="stylesheet"></link>

    <div class='content'>
        <% if('item' in data){ %>
        <form action='/admin/category/edit/<%= data.item.id %>' method='post' >
            <a>ឈ្មោះជំពូកៈ</a><input type='text' value="<%= data.item.title %>" name='label' required />
            <a>រូបសញ្ញាៈ</a><input type='text' value="<%= data.item.thumb %>" name='thumb' required />
            <a>ពេល​បង្កើតៈ</a><input type='datetime-local' value='<%= data.item.date %>' name="datetime" required />
            <a></a><input type='submit' value='បញ្ជូនទិន្នន័យ' />
        </form>
        <% }else{ %>
        <form action='/admin/category' method='post' >
            <a>ឈ្មោះជំពូកៈ</a><input type='text' name='label' required />
            <a>រូបសញ្ញាៈ</a><input type='text' name='thumb' required />
            <a>ពេល​បង្កើតៈ</a><input type='datetime-local' value='' name="datetime" required />
            <a></a><input type='submit' value='បញ្ជូនទិន្នន័យ' />
        </form>
        <% } %>
    </div>

GitHub: https://github.com/Sokhavuth/Blog_

Vercel: https://khmerweb-blog.vercel.app/