Eloquent One to One Polymorphic tutorial in Laravel 11
<?php
namespace App\Http\Controllers;
use App\Models\User;
use Illuminate\Http\Request;
class UserController extends Controller
{
/**
* Display a listing of the resource.
*/
public function index()
{
// $users = User::with("image")->find(1);
// return $users;
$users = User::with("image")->get();
return $users;
}
/**
* Show the form for creating a new resource.
*/
public function create()
{
$user = User::find(3);
$user->image()->create([
"url" => "images/users/deepika.jpg"
]);
}
/**
* Store a newly created resource in storage.
*/
public function store(Request $request)
{
//
}
/**
* Display the specified resource.
*/
public function show(string $id)
{
//
}
/**
* Show the form for editing the specified resource.
*/
public function edit(string $id)
{
//
}
/**
* Update the specified resource in storage.
*/
public function update(Request $request, string $id)
{
//
}
/**
* Remove the specified resource from storage.
*/
public function destroy(string $id)
{
//
}
}
Above File is app\Http\Controllers\UserController FileBelow File is app\Http\Controllers\PostController File
<?php
namespace App\Http\Controllers;
use App\Models\Post;
use Illuminate\Http\Request;
class PostController extends Controller
{
/**
* Display a listing of the resource.
*/
public function index()
{
// $post = Post::with("image")->find(1);
// return $post;
$post = Post::find(1);
return $post->image;
}
/**
* Show the form for creating a new resource.
*/
public function create()
{
// Below "create()" method will insert data in "posts" table in database
$post = Post::create([
"title" => "News Title One",
"description" => "Lorem ipsum dolor sit amet, consectetur adipiscing elit"
]);
// Below "create()" method will insert data in "images" table in database
$post->image()->create([
"url" => "images/post/post-one.jpg"
]);
}
/**
* Store a newly created resource in storage.
*/
public function store(Request $request)
{
//
}
/**
* Display the specified resource.
*/
public function show(string $id)
{
//
}
/**
* Show the form for editing the specified resource.
*/
public function edit(string $id)
{
//
}
/**
* Update the specified resource in storage.
*/
public function update(Request $request, string $id)
{
//
}
/**
* Remove the specified resource from storage.
*/
public function destroy(string $id)
{
//
}
}
Below File is app\Http\Controllers\ImageController File
<?php
namespace App\Http\Controllers;
use Illuminate\Http\Request;
class ImageController extends Controller
{
/**
* Display a listing of the resource.
*/
public function index()
{
//
}
/**
* Show the form for creating a new resource.
*/
public function create()
{
//
}
/**
* Store a newly created resource in storage.
*/
public function store(Request $request)
{
//
}
/**
* Display the specified resource.
*/
public function show(string $id)
{
//
}
/**
* Show the form for editing the specified resource.
*/
public function edit(string $id)
{
//
}
/**
* Update the specified resource in storage.
*/
public function update(Request $request, string $id)
{
//
}
/**
* Remove the specified resource from storage.
*/
public function destroy(string $id)
{
//
}
}
Below File is app\Models\User File
<?php
namespace App\Models;
use Illuminate\Database\Eloquent\Model;
class User extends Model
{
public $timestamps = false;
protected $table = "users";
protected $fillable = ["name"];
public function image()
{
return $this->morphOne(Image::class, "imageable");
}
}
Below File is app\Models\Post File
<?php
namespace App\Models;
use Illuminate\Database\Eloquent\Model;
class Post extends Model
{
public $timestamps = true;
protected $table = "posts";
protected $fillable = ["title", "description"];
public function image()
{
return $this->morphOne(Image::class, "imageable");
}
}
Below File is app\Models\Image File
<?php
namespace App\Models;
use Illuminate\Database\Eloquent\Model;
class Image extends Model
{
public $timestamps = false;
protected $table = "images";
protected $fillable = ["url", "imageable_id", "imageable_type"];
public function imageable()
{
// Here morphTo() method will make "Image" class a morph File means this file will work as parent model
// for another model files
// If we have not made any columns named like "imageable_id" and "imageable_type" then we have to declare
// 3 parameters in morphTo() method as shown below :
// return $this->morphTo(__FUNCTION__,"imageable_type","imageable_id");
// but here we have declared above columns names in database table "images" so we don't need to
// specify above three parameters in morphTo() method as shown below.
return $this->morphTo();
}
}
Below File is database\json\users File
[
{
"name": "Yahoo Baba"
},
{
"name": "Salman Khan"
},
{
"name": "Deepika Padukone"
}
]
Below File is database\migrations\2024_12_12_114458_create_users_table File
<?php
use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;
return new class extends Migration
{
/**
* Run the migrations.
*/
public function up(): void
{
Schema::create('users', function (Blueprint $table) {
$table->id();
$table->string("name");
});
}
/**
* Reverse the migrations.
*/
public function down(): void
{
Schema::dropIfExists('users');
}
};
Below File is database\migrations\2024_12_12_114947_create_posts_table File
<?php
use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;
return new class extends Migration
{
/**
* Run the migrations.
*/
public function up(): void
{
Schema::create('posts', function (Blueprint $table) {
$table->id();
$table->string("title");
$table->longText("description");
$table->timestamps();
});
}
/**
* Reverse the migrations.
*/
public function down(): void
{
Schema::dropIfExists('posts');
}
};
Below File is database\migrations\2024_12_12_115235_create_images_table File
<?php
use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;
return new class extends Migration
{
/**
* Run the migrations.
*/
public function up(): void
{
Schema::create('images', function (Blueprint $table) {
$table->id();
$table->string("url");
$table->unsignedBigInteger("imageable_id");
$table->string("imageable_type");
});
}
/**
* Reverse the migrations.
*/
public function down(): void
{
Schema::dropIfExists('images');
}
};
Below File is database\seeders\DatabaseSeeder File
<?php
namespace Database\Seeders;
use App\Models\User;
// use Illuminate\Database\Console\Seeds\WithoutModelEvents;
use Illuminate\Database\Seeder;
class DatabaseSeeder extends Seeder
{
/**
* Seed the application's database.
*/
public function run(): void
{
// User::factory(10)->create();
// User::factory()->create([
// 'name' => 'Test User',
// 'email' => 'test@example.com',
// ]);
$this->call([
UserSeeder::class
]);
}
}
Below File is database\seeders\UserSeeder File
<?php
namespace Database\Seeders;
use App\Models\User;
use Illuminate\Database\Console\Seeds\WithoutModelEvents;
use Illuminate\Database\Seeder;
use Illuminate\Support\Facades\File;
class UserSeeder extends Seeder
{
/**
* Run the database seeds.
*/
public function run(): void
{
$json = File::get(path: "database/json/users.json");
$users = collect(json_decode($json));
$users->each(function ($user) {
User::create([
"name" => $user->name
]);
});
}
}
Below File is routes\web File
<?php
use App\Http\Controllers\ImageController;
use App\Http\Controllers\PostController;
use App\Http\Controllers\UserController;
use Illuminate\Support\Facades\Route;
Route::get('/', function () {
return view('welcome');
});
Route::resource("user", UserController::class);
Route::resource("post", PostController::class);
Route::resource("image", ImageController::class);
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