How To Write Logics In Model In Laravel 9?

In this tutorial, I will give you an example of “How to Write Logics In Model In Laravel 9”, So you can easily apply it to your Laravel 9 application.

So, let’s start from scratch to Move Controller Logic in the Model in Laravel 9 :

Generating Migration with Model :

php artisan make:model Post -m

Migration Structure :

<?php

use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

return new class extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('posts', function (Blueprint $table) {
            $table->id();
            $table->string('title');
            $table->string('slug');
            $table->Text('content');
            $table->timestamps();
        });
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        Schema::dropIfExists('posts');
    }
};

Run Migration :

php artisan migrate

routes\web.php :

<?php

use Illuminate\Support\Facades\Route;

use App\Models\Post;


/*
|--------------------------------------------------------------------------
| Web Routes
|--------------------------------------------------------------------------
|
| Here is where you can register web routes for your application. These
| routes are loaded by the RouteServiceProvider within a group which
| contains the "web" middleware group. Now create something great!
|
*/

#Write Logics In Model Example
Route::get('/create-post',[Post::class,'create']);
Route::post('/store-post',[Post::class,'store'])->name('store.post');

app\Models\Post.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Casts\Attribute;
use Illuminate\Support\Str;
use Illuminate\Http\Request;

class Post extends Model
{
    use HasFactory;


    #Create Post
    public function create(){
        return view('post.create');
    }

    #Generate Slug from Title
    public function title() : Attribute {
        return new Attribute(
            set: fn($value) => [
                'title' => $value,
                'slug'  => Str::slug($value)
            ]
        );
    }

    #Store Post
    public function store(Request $request){
       $post = new Post();
       $post->title = $request->title;
       $post->content = $request->content;
       $post->save();
       return 'success';
    }
}

resources\views\post\create.blade.php :

move controller logic into model in laravel

<div class="container">
   <div class="row justify-content-center">
      <div class="col-lg-8">
      <div class="main">
      <h3 style="background-color:powderblue;">How to Write Logics In Model in Laravel 9 - Example</h3>
      <form action="{{ route('store.post') }}" method="post" enctype="multipart/form-data">
         @csrf
         <div class="form-group">
            <label for="title">Title<span class="text-danger">*</span></label>
            <input type="text" name="title" class="form-control" required>
         </div>
         <div class="form-group">
            <label for="content">Content<span class="text-danger">*</span></label>
            <input type="text" name="content" class="form-control" required>
         </div>
         <div class="form-group">
            <button type="submit" class="btn btn btn-info">Save Post</button>
         </div>
      </form>
      </div>
      </div>
   </div>
</div>

Output:-