How to Create Laravel 8 Vue JS Like Dislike System

Like dislike system in vue js with laravel 8; In this tutorial, i am going to show you how to create like dislike system with Vue js in laravel 8 app.

You can enable a user to like or dislike a post only once and we can tell which users liked (or disliked) a particular post. We can query and display the list of all users who liked or disliked a particular post.

Laravel 8 Vue JS Like Dislike System Example

  • Step 1: Install Laravel 8 App
  • Step 2: Connecting App to Database
  • Step 3: Run Make auth Command
  • Step 4: Create Model And Migration
  • Step 5: NPM Configuration
  • Step 6: Add Routes
  • Step 7: Create Controller By Command
  • Step 8: Create Vue Component
  • Step 9: Create Blade Views And Initialize Vue Components
  • Step 10: Run Development Server

Step 1: Install Laravel 8 App

Execute the following command on terminal to install laravel latest application:

 composer create-project --prefer-dist laravel/laravel blog 

Step 2: Connecting App to Database

Go to your project root directory and open .env file. Then set up database credential in .env file as follow:

 DB_CONNECTION=mysql 
 DB_HOST=127.0.0.1 
 DB_PORT=3306 
 DB_DATABASE=here your database name here
 DB_USERNAME=here database username here
 DB_PASSWORD=here database password here

Step 3: Run Make auth Command

Execute the following commands on terminal to make auth in laravel 8 app:

cd blog
composer require laravel/ui --dev
php artisan ui vue --auth

This laravel laravel/ui package provides a quick way to scaffold all of the routes, controller and views with authentication.

Step 4: Create Model And Migration

In this step, you need to execute the following command on terminal to create model and factory:

php artisan make:model Post -fm
php artisan make:model Post -fm

This command will create one model name post.php and also create one migration file for the posts table.

Now open create_postss_table.php migration file from database>migrations and replace up() function with following code:

<?php
use Illuminate\Support\Facades\Schema;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Database\Migrations\Migration;
class CreatePostsTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
       Schema::create('posts', function (Blueprint $table) {
            $table->bigIncrements('id');
            $table->string('title');
            $table->string('slug');
            $table->unsignedBigInteger('user_id');
            $table->unsignedBigInteger('like')->default(0);
            $table->unsignedBigInteger('dislike')->default(0);
            $table->timestamps();
      });
    }
    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        Schema::dropIfExists('posts');
    }
}

Next, migrate the table using the below command:

php artisan migrate

Next, Navigate to app/Post.php and update the following code into your Post.php model as follow:

<?php
namespace App\Models;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
class Post extends Model
{
    use HasFactory;
    protected $fillable = [
        'title', 'description'
    ];
    public function getRouteKeyName()
    {
    	return 'slug';
    }
}

Next, Navigate to database/factories and open PostFactory.php. Then update the following code into it as follow:

/** @var \Illuminate\Database\Eloquent\Factory $factory */
use App\Models\Post;
use Faker\Generator as Faker;
$factory->define(Post::class, function (Faker $faker) {
    return [
       'title' => $faker->sentence,
       'slug' => \Str::slug($faker->sentence),
       'user_id' => 1
    ];
});

and then execute the following command on terminal to generate fake data using faker as follow:

php artisan tinker
//and then
factory(\App\Models\Post::class,20)->create()
exit

Step 5: NPM Configuration

Setup Vue and install Vue dependencies using NPM. So execute the following command on command prompt:

php artisan preset vue
npm install

Step 6: Add Routes

Go to routes folder and open web.php file and add the following routes into your file:

routes/web.php

use App\Http\Controllers\PostController;
Route::get('post', [PostController::class, 'index']);
Route::get('post/{slug?}', [PostController::class, 'show'])->name('post');
Route::post('like', [PostController::class, 'getlike']);
Route::post('like/{id}', [PostController::class, 'like']);
Route::post('dislike', [PostController::class, 'getDislike']);
Route::post('dislike/{id}', [PostController::class, 'dislike']);

Step 7: Create Controller By Command

Execute the following command on terminal to create a controller by an artisan:

php artisan make:controller PostController

After that, go to app\Http\Controllers and open PostController.php file. Then update the following code into your PostController.php file:

<?php
namespace App\Http\Controllers;
use App\Models\Post;
use Facades\App\Repository\Posts;
use Illuminate\Http\Request;
class PostController extends Controller
{
    public function index()
    {
        $posts = Post::latest()->get();
        return view('posts',['posts' => $posts ]);
    }
    public function show(Post $slug)
    {
        return view('single-post',['post' => $slug ]);
    }
    public function getlike(Request $request)
    {
        $post = Post::find($request->post);
        return response()->json([
            'post'=>$post,
        ]);
    }
    public function like(Request $request)
    {
        $post = Post::find($request->post);
        $value = $post->like;
        $post->like = $value+1;
        $post->save();
        return response()->json([
            'message'=>'Thanks',
        ]);
    }    
    public function getDislike(Request $request)
    {
        $post = Post::find($request->post);
        return response()->json([
            'post'=>$post,
        ]);
    }
    public function dislike(Request $request)
    {
        $post = Post::find($request->post);
        $value = $post->dislike;
        $post->dislike = $value+1;
        $post->save();
        return response()->json([
            'message'=>'Thanks',
        ]);
    }
}

Step 8: Create Vue Component

Visit resources/assets/js/components folder and create a files called LikeComponent.vue and DisLikeComponent.vue.

Now, update the following code into your LikeComponent.vue components file:

<template>
    <div class="container">
        <p id="success"></p>
       <a href="http://"><i @click.prevent="likePost" class="fa fa-thumbs-up" aria-hidden="true"></i>({{ totallike }})</a>
    </div>
</template>
<script>
    export default {
        props:['post'],
        data(){
            return {
                totallike:'',
            }
        },
        methods:{
            likePost(){
                axios.post('/like/'+this.post,{post:this.post})
                .then(response =>{
                    this.getlike()
                    $('#success').html(response.data.message)
                })
                .catch()
            },
            getlike(){
                axios.post('/like',{post:this.post})
                .then(response =>{
                    console.log(response.data.post.like)
                    this.totallike = response.data.post.like
                })
            }
        },
        mounted() {
            this.getlike()
        }
    }
</script> 

Next, update the following code into DisLikeComponent.vue file as follow:

<template>
    <div class="container">
        <p id="success"></p>
       <a href="http://"><i @click.prevent="disLikePost" class="fa fa-thumbs-down" aria-hidden="true"></i>({{ totalDislike }})</a>
    </div>
</template>
<script>
    export default {
        props:['post'],
        data(){
            return {
                totalDislike:'',
            }
        },
        methods:{
            disLikePost(){
                axios.post('/dislike/'+this.post,{post:this.post})
                .then(response =>{
                    this.getDislike()
                    $('#success').html(response.data.message)
                })
                .catch()
            },
            getDislike(){
                axios.post('/dislike',{post:this.post})
                .then(response =>{
                    console.log(response.data.post.dislike)
                    this.totalDislike = response.data.post.dislike
                })
            }
        },
        mounted() {
            this.getDislike()
        }
    }
</script> 

Now open resources/assets/js/app.js and include the LikeComponent.vue and DisLikeComponent.vue component as follow:

require('./bootstrap');
window.Vue = require('vue');
Vue.component('like-component', require('./components/LikeComponent.vue').default);
Vue.component('dis-like-component', require('./components/DisLikeComponent.vue'));
const app = new Vue({
    el: '#app',
});

Step 9: Create Blade Views And Initialize Vue Components

Go to resources/views and create one folder named layouts. Inside this folder create one blade view file named app.blade.php file.

Next, Navigate to resources/views/layouts and open app.blade.php file. Then update the following code into your app.blade.php file as follow:

<!doctype html>
<html>
<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <meta name="csrf-token" content="{{ csrf_token() }}">
    <title>Laravel 8 Vue JS Like Dislike Example - Laratutorials.com</title>
    <script src="{{ asset('js/app.js') }}" defer></script>
    <link href="{{ asset('css/app.css') }}" rel="stylesheet">
    @stack('fontawesome')
</head>
<body>
    <div id="app">
        <main class="py-4">
            @yield('content')
        </main>
    </div>
</body>
</html>

Next, Navigate to resources/views/ and create one file name posts.blade.php. Then update the following code into your posts.blade.php file as follow:

@extends('layouts.app')
@section('content')
<div class="container">
    <div class="row justify-content-center">
        <div class="col-md-8">
            <div class="card">
                <div class="card-header">Post Lists</div>
                <div class="card-body">
                    <ul>
                        @foreach ($posts as $item)
                         <a href="{{ route('post',$item->slug) }}"><li>{{ $item->title }}</li></a>
                        @endforeach
                    </ul>
                </div>
                
            </div>
        </div>
    </div>
</div>
@endsection 

Again, Navigate to resources/views/ and create one file name single-post.blade.php. Then update the following code into your single-post.blade.php file as follow:

@extends('layouts.app')
@push('fontawesome')
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
@endpush
@section('content')
<div class="container">
    <div class="row justify-content-center">
        <div class="col-md-8">
            <div class="card">
                <div class="card-header">Post Detail</div>
                <div class="card-body">
                    <ul>
                      
                         <li>{{ $post->title }}</li>
                         <like-component :post="{{ $post->id }}"></like-component>
                         <dis-like-component :post="{{ $post->id }}"></dis-like-component>
                         
                    </ul>
                </div>
            </div>
        </div>
    </div>
</div>
@endsection 

Step 10: Run Development Server

Now, execute the following command on terminal to start the development server:

npm run dev
or 
npm run watch

Conclusion

In this like dislike Vue js with laravel example tutorial, you have learned how to implement like dislike system with Vue js in laravel apps.

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