How to insert dynamic value to additional column in pivot table in laravel

Updated at 21-Jul-2021, By samar

How to insert dynamic value to additional column in pivot table in laravel

With this article, we will examine several different instances of how to solve the "How to insert dynamic value to additional column in pivot table in laravel".

You can insert dynamic value to an additional column in the pivot table in Laravel. You have to create a belongs to many relationships in modal and use attach method on belongstomany method to insert dynamic value in the pivot table in laravel.
  • Insert dynamic values to pivot table in laravel

    //Create controller
    php artisan make:controller UserController
    
    
    <?php
    
    namespace App\Http\Controllers;
    
    use Illuminate\Http\Request;
    use App\Models\Project;
    use App\Models\User;
    
    class UserController extends Controller
    {
        //
        public function getInsertPivotData(){
            $project = Project::first();
            return view('insert_pivot')->with(['project' => $project]);
        }
    
        public function insertPivotData(Request $request){
            
            $order_by = $request->order_by;
            $projectId = $request->project_id;
            $user = User::findOrFail(1);
            $user->projects()->attach($projectId, ['order_by'=>$order_by]);
            return redirect()->back()->with(['status' => 'Data inserted successfully']);
        
        }
    }
    
    //Create routes for web.php
    //routes/web.php
    Route::get('/insert-pivot-data', [App\Http\Controllers\UserController::class, 'getInsertPivotData'])->name('getInsertPivotData');
    Route::post('/insert-pivot-data', [App\Http\Controllers\UserController::class, 'insertPivotData'])->name('insertPivotData');
    
    //Create insert_pivot.blade.php in the views directory
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    </head>
    <body>
    
        <div class="container mt-4">
            <div class="row">
                <div class="col-md-8 offset-2">
                    @if(session()->has('status'))
                        <div class="alert alert-success">
                            {{ session()->get('status') }}
                        </div>
                    @endif
                    <form action="{{ route('insertPivotData') }}" method="post">
                        @csrf
                        <input type="hidden" name="project_id" value="{{ $project->id }}" />
                        <div class="row">
                            <div class="col">
                                <label> Project Name : </label> {{ $project->name }}
                            </div>
                            <div class="col">
                                
                                <input type="text" name="order_by" class="form-control" placeholder="order By">
                            </div>
                        </div>
                        <div class="row">
                            <div class="col-md-12 pull-right">
                                <button type="submit" class="btn btn-primary" name="submit"> Submit </button>
                            </div>
                        </div>
                    </form>    
                </div>
            </div>
        </div>
    
        <script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
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    </body>
    </html>
    
  • Create project_user pivot table with additional column is_manager and order_by

    php artisan make:migration create_project_user_table --create=project_user
    
    //database\migrations\<2021_07_21_080148>_create_project_user_table.php
    <?php
    
    use Illuminate\Database\Migrations\Migration;
    use Illuminate\Database\Schema\Blueprint;
    use Illuminate\Support\Facades\Schema;
    
    class CreateProjectUserTable extends Migration
    {
        /**
         * Run the migrations.
         *
         * @return void
         */
        public function up()
        {
            Schema::create('project_user', function (Blueprint $table) {
                $table->foreignId('project_id')->constrained();
                $table->foreignId('user_id')->constrained();
                $table->boolean('is_manager')->default(false);
                $table->boolean('order_by')->nullable();
                $table->timestamps();
            });
        }
    
        /**
         * Reverse the migrations.
         *
         * @return void
         */
        public function down()
        {
            Schema::dropIfExists('project_user');
        }
    }
    
    php artisan migrate
    
  • Create factory for project table

    php artisan make:factory ProjectFactory
    
     //database\factories\ProjectFactory.php
    public function definition()
    {
        return [
            'name' => $this->faker->word,
        ];
    }
    
  • Create dummy records for project table using seeder

    php artisan make:seeder ProjectSeeder
    //Import Project class
    use App\Models\Project;
    
    public function run()
    {
        $project = Project::factory()->count(5)->create();
    }
    
    php artisan db:seed --class=ProjectSeeder
    
  • Create user seeder and seed data for users table

    php artisan make:seeder UserSeeder
    
    //database\seeders\UserSeeder.php
    <?php
    
    namespace Database\Seeders;
    
    use Illuminate\Database\Seeder;
    use App\Models\User;
    class UserSeeder extends Seeder
    {
        /**
         * Run the database seeds.
         *
         * @return void
         */
        public function run()
        {
            //
            $users = User::factory()->count(5)->create();
        }
    }
    
    php artisan db:seed --class=UserSeeder
    
  • Create belongs to many relationship with projects method in user model

    --PATH App\Models\User.php
    public function projects(){
            return $this->belongsToMany('App\Models\Project')
                        ->withPivot('is_manager', 'order_by')
                        ->withTimestamps();
        }
    

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