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In this tutorial, we'll see how to use repository design pattern in laravel 9. We'll create a simple crud application using laravel 9 repository design pattern. If you're building a complex laravel application, then you should use repository design pattern and for small and low maintenance app, don't use repository design pattern.
https://larainfo.com/blogs/laravel-9-repository-design-pattern-crud-example
The Laravel framework is open-sourced software licensed under the MIT license.
##Step 1: Install Laravel & Connect Database
composer create-project laravel/laravel laravel-repository
Now, you need to set up the Laravel app to connect to the database, thus open up.env and add the database credentials as given below.
in .env
DB_CONNECTION=mysql DB_HOST=127.0.0.1 DB_PORT=3306 DB_DATABASE=database_name DB_USERNAME=database_user_name DB_PASSWORD=database_password
php artisan make:model Category -m
public function up() { Schema::create('categories', function (Blueprint $table) { $table->id(); $table->string('name'); $table->string('slug'); $table->timestamps(); }); }
php artisan make:controller CategoryController -r
app/Models/Category.php
namespace App\Models;
use Illuminate\Database\Eloquent\Factories\HasFactory; use Illuminate\Database\Eloquent\Model;
class Category extends Model { use HasFactory;
protected $fillable = [
'name',
'slug',
];
}
Route::resource('categories', CategoryController::class);
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First you need to create Repositories Folder inside app
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Then you need to create Interfaces Folder and add CategoryRepositoryInterface.php
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Now Create CategoryRepository.php inside Repositories
Add CRUD Functions in CategoryRepositoryInterface.php Interface
App/Repositories/Interfaces/CategoryRepositoryInterface.php
paginate(10); } public function storeCategory($data) { return Category::create($data); } public function findCategory($id) { return Category::find($id); } public function updateCategory($data, $id) { $category = Category::where('id', $id)->first(); $category->name = $data['name']; $category->slug = $data['slug']; $category->save(); } public function destroyCategory($id) { $category = Category::find($id); $category->delete(); } } ## Step 5: Bind Repository In App Service Provider Next, you need to add to bind CategoryRepositoryInterface and CategoryRepository in app/Providers/AppServiceProvider.php app/Providers/AppServiceProvider.php app->bind(CategoryRepositoryInterface::class, CategoryRepository::class); } /** * Bootstrap any application services. * * @return void */ public function boot() { // } } ## Step 6: Add Repository Design Pattern In CategoryController Add CategoryRepositoryInterface in CategoryController categoryRepository = $categoryRepository; } /** * Display a listing of the resource. * * @return \Illuminate\Http\Response */ public function index() { $categories = $this->categoryRepository->allCategories(); return view('categories.index', compact('categories')); } /** * Show the form for creating a new resource. * * @return \Illuminate\Http\Response */ public function create() { return view('categories.create'); } /** * Store a newly created resource in storage. * * @param \Illuminate\Http\Request $request * @return \Illuminate\Http\Response */ public function store(Request $request) { $data = $request->validate([ 'name' => 'required|string|max:255', 'slug' => 'required|string|max:255', ]); $this->categoryRepository->storeCategory($data); return redirect()->route('categories.index')->with('message', 'Category Created Successfully'); } /** * Display the specified resource. * * @param \App\Models\Category $category * @return \Illuminate\Http\Response */ public function show($id) { // } /** * Show the form for editing the specified resource. * * @param \App\Models\Category $category * @return \Illuminate\Http\Response */ public function edit($id) { $category = $this->categoryRepository->findCategory($id); return view('categories.edit', compact('category')); } /** * Update the specified resource in storage. * * @param \Illuminate\Http\Request $request * @param \App\Models\Category $category * @return \Illuminate\Http\Response */ public function update(Request $request, $id) { $request->validate([ 'name' => 'required|string|max:255', 'slug' => 'required|string|max:255', ]); $this->categoryRepository->updateCategory($request->all(), $id); return redirect()->route('categories.index')->with('message', 'Category Updated Successfully'); } /** * Remove the specified resource from storage. * * @param \App\Models\Category $category * @return \Illuminate\Http\Response */ public function destroy($id) { $this->categoryRepository->destroyCategory($id); return redirect()->route('categories.index')->with('status', 'Category Delete Successfully'); } } ## Step 7: Create Blade View Files Now perform crud operations. resources/views/categories/create.blade.php| # | Category Name | Slug | Edit | Delete |
|---|---|---|---|---|
| {{$category->id}} | {{$category->name}} | {{$category->slug}} | Edit |