// routes/front/home.js
import express from 'express'
const indexRouter = express.Router()
import home from '../../controllers/front/home.js'

indexRouter.get('/',async (req,res)=>{
    home.getItem(req,res)
})

indexRouter.post('/',async (req,res)=>{
    home.navigateItem(req,res)
})

export default indexRouter

// controllers/front/home.js
import config from "../../config.js"
import categorydb from '../../models/category.js'
import postdb from '../../models/post.js'

class Home{
    async getItem(req,res){
        this.config = await config()
        this.config.pageTitle = 'ទំព័រដើម'
        this.config.route = '/'

        this.config.categories = await categorydb.getAllItem(req)
        this.config.items = await postdb.getItem(req,this.config.frontPosts)

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

    async navigateItem(req,res){
        this.config.items = await postdb.paginateItem(req,this.config.frontPosts)
        res.json(this.config)
    }
}

export default new Home()

<!--views/front/home.ejs-->
<link rel="stylesheet" href="/styles/front/home.css" />
<script src="/scripts/navigate.js"></script>

<section class="Content">
    <% if(data.items){ %>
    <ul class="newest">
        <% for(let item of data.items){ %>
        <li class="item">
            <a class="thumb" href="/post/<%= item.id %>">
                <img src="<%= item.thumb %>" />
                <% if((item.video)&&(item.video !== '[]')){ %>
                <img class="play-icon" src="/images/play.png"/>
                <% } %>
            </a>
            <div>
                <a class="title" href="/post/<%= item.id %>">
                    <%= item.title %>
                </a>
                <p class="price">$<%= item.price %></p>
                <p class="location"><%= item.location %></p>
            </div>
        </li>
        <% } %>
    </ul>
    <div class="pagination">
        <img onclick="navigate.getItem(-1)" src="/images/left.png" />
        <img class="home" onclick="navigate.getItem(0)" src="/images/home.png" />
        <img onclick="navigate.getItem(1)" src="/images/right.png" />
    </div>
    <% } %>

    <div class="outer">
        <a href="/category/land">
            <img src="/images/land.png" />
            <p>​​​​​​​ដីឡូតិ៍</p>
        </a>
        <a href="/category/house">
            <img src="/images/housing.png" />
            <p>​​​​​​​លំនៅដ្ឋាន</p>
        </a>
        <a href="/category/car">
            <img src="/images/car.png" />
            <p>​​​​​​​រថយន្ត</p>
        </a>
        <a href="/category/motorbike">
            <img src="/images/motorbike.jpg" />
            <p>​​​​​​​ទោចក្រយានយន្ត</p>
        </a>
        <a href="/category/electronic">
            <img src="/images/electronic.jpeg" />
            <p>​​​​​​​គ្រឿង​ Electronic</p>
        </a>
        <a href="/category/furniture">
            <img src="/images/furniture.jpg" />
            <p>​​​​​​​គ្រឿង​​សង្ហារឹម</p>
        </a>
        <a href="/category/sport">
            <img src="/images/sport.jpg" />
            <p>​​​​​​​សំភារៈ​កីឡា</p>
        </a>
        <a href="/category/clothes">
            <img src="/images/clothes.png" />
            <p>សំលៀក​បំពាក់</p>
        </a>
        <a href="/category/shoes">
            <img src="/images/shoe.png" />
            <p>ស្បែក​ជើង</p>
        </a>
        <a href="/category/cosmetic">
            <img src="/images/cosmetic.png" />
            <p>គ្រឿង​សំអាង</p>
        </a>
        <a href="/category/book">
            <img src="/images/bookstore.png" />
            <p>សៀវភៅ</p>
        </a>
        <a href="/category/food">
            <img src="/images/food-drink.png" />
            <p>ភេសជ្ជៈ-ម្ហូប​អាហារ</p>
        </a>
    </div>
</section>

/* static/styles/front/home.css */
.Content .newest{
    display: grid;
    grid-template-columns: calc(50% - 7.5px) calc(50% - 7.5px);
    grid-gap: 15px;
}

.Content .newest .item{
    display: grid;
    grid-template-columns: 30% auto;
    grid-gap: 15px;
    align-items: center;
    background: var(--background);
}

.Content .newest .item .thumb{
    display: block;
    position: relative;
    padding-top: 56.25%;
}

.Content .newest .item .thumb img{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.Content .newest .item .thumb .play-icon{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    width: 25%;
    height: auto;
}

.Content .newest .item div{
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding-right: 15px;
}

.Content .newest .item div .title{
    color: black;
}

.Content .newest .item div .price{
    color: darkred;
}

.Content .pagination{
    text-align: center;
    background: var(--background);
    margin-top: 15px;
    padding: 7px 0 2px;
}

.Content .pagination img{
    height: 30px;
}

.Content .outer{
    display: grid;
    grid-template-columns: calc(25% - 11.25px) calc(25% - 11.25px) 
    calc(25% - 11.25px) calc(25% - 11.25px);
    grid-gap: 15px;
    margin:  45px auto;
}

.Content .outer a{
    position: relative;
    padding-top: 56.25%;
    color: white;
}

.Content .outer a img{
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
}

.Content .outer a p{
    position: absolute;
    width: 100%;
    bottom: 0;
    padding: 5px 5px 7px;
    text-align: center;
    font: 20px/1.5 Oswald, Bayon;
    text-shadow: 2px 2px 4px #000000;
    background: -webkit-linear-gradient(bottom, black,transparent);
}

@media only screen and (max-width:600px){
    .Content .outer,
    .Content .newest,
    .Content .newest .item{
        grid-template-columns: 100%;
        padding: 15px;
    }

    .Content .newest .item .thumb .play-icon{
        width: 20%;
    }
}

// static/scripts/navigate.js
class Navigate{
    constructor(){
        this.page = 0
    }

    async getItem(page){
        $('.pagination .home').attr('src','/images/loading.gif')
        if(page !== 0){
            this.page += page
            if(this.page < 0){
                this.page = 0
            }
        }else{
            this.page = page
        }

        const body = {
            page: this.page,
        }

        $.post('/',body,function(data, status){
            if(data.items.length === 0){
                navigate.page -= 1
                $('.pagination .home').attr('src','/images/home.png')
            }else{
                navigate.generateHmtl(data.items)
            }
        })
    }

    async generateHmtl(items){
        let html = ''

        for(let item of items){
            html += `<li class="item">`
                html += `<a class="thumb" href="/post/${item.id}">`
                    html += `<img src="${item.thumb}" />`
                    if((item.video)&&(item.video !== '[]')){
                        html += `<img class="play-icon" src="/images/play.png"/>`
                    }
                html += `</a>`
                html += `<div>`
                    html += `<a class="title" href="/post/<%= item.id %>">`
                                html += item.title
                    html += `</a>`
                    html += `<p class="price">$${item.price}</p>`
                    html += `<p class="location">${item.location}</p>`
                html += `</div>`
            html += `</li>`
        }

        $('.Content .newest').html(html)
        $('.pagination .home').attr('src','/images/home.png')
    }
}

const navigate = new Navigate()

Heroku: https://khmerweb-sale.herokuapp.com