Laravel Gates and Policies Tutorial with Example permission (ok)

https://www.itsolutionstuff.com/post/laravel-gates-and-policies-tutorial-with-exampleexample.html

Quan trọng là cách sử dụng: Gate::define và Gate::allows

C:\xampp\htdocs\reset\database\migrations\2022_05_20_141656_add_role_column_to_users_table.php

<?php
use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;
class AddRoleColumnToUsersTable extends Migration {
  /**
   * Run the migrations.
   *
   * @return void
   */
  public function up() {
    Schema::table('users', function (Blueprint $table) {
      $table->enum('role', ['user', 'manager', 'admin'])->default('user');
    });
  }
  /**
   * Reverse the migrations.
   *
   * @return void
   */
  public function down() {
    Schema::table('users', function (Blueprint $table) {
      //
    });
  }
}

C:\xampp\htdocs\reset\database\seeders\DatabaseSeeder.php

C:\xampp\htdocs\reset\app\Providers\AuthServiceProvider.php

C:\xampp\htdocs\reset\app\Http\Controllers\PostController.php

C:\xampp\htdocs\reset\resources\views\tests.blade.php

C:\xampp\htdocs\reset\routes\web.php

Laravel Gates and Policies Tutorial with Example

By Hardik Savani January 18, 2020 Category : LaravelPauseUnmuteLoaded: 2.33%FullscreenVDO.AIToday's out topic is how to implement authentication using gate and policy in laravel application. we will learn laravel gate and policy with a user role access control system. i will show you how to define custom policy and how to use custom policy with gate in laravel application.

You can just follow this tutorial for Laravel Authorization Gates and Policies Example. you can also use this example in laravel 6, laravel 7, laravel 8 and laravel 9 application.

Authorization is primary requirement of each project. we almost need to implementation of auth and user access by role wise. in this example i will show you how we can easily implement role access control in laravel using gate and policy.

If you want to create roles and permission with laravel then you can also follow this tutorial, i explained step by step: Laravel User Roles and Permissions Tutorial.

You need to just follow few step to lean how you can implement laravel gate and policy with our project.

Step 1: Install Laravel

first of all we need to get fresh Laravel version application using bellow command, So open your terminal OR command prompt and run bellow command:

Step 2: Database Configuration

In second step, we will make database configuration for example database name, username, password etc for our crud application of laravel. So let's open .env file and fill all details like as bellow:

.env

Read Also: Laravel Facebook authentication using Socialite Package

Step 3: Create Migration Table

In this step, we will create new migration for adding new column for "role". we will take enum datatype for role column. we will take only "user", "manager" and "admin" value on that. we will keep "user" as default value.

so let's create as like bellow:

After this command you will find one file in following path "database/migrations" and you have to put bellow code in your migration file for create products table.

Now you have to run this migration by following command:

Step 4: Add Some Dummy Users

You need to add some dummy users to users table as like bellow screen shot:

You can user this link for creating dummy records to users table: Create Dummy Records using Tinker.

Step 5: Generate Auth Scaffold

You have to follow few step to make auth in your laravel application.

First you need to install laravel/ui package as like bellow:

Here, we need to generate auth scaffolding in laravel using laravel ui command. so, let's generate it by bellow command:

Now you need to run npm command, otherwise you can not see better layout of login and register page.

Install NPM:

Run NPM:

Step 6: Define Custom Gates

In this step, we will define custom gate for user role access. we will define "user", "manager" and "admin" user. So let's update AuthServiceProvider.php file as like bellow:

app/Providers/AuthServiceProvider.php

Step 7: Use Gates

Now, we will user our custom gate in our blade file. i created three button for each roles. When user will login then user will see only user button and same way others.

So, let's update your home file as like bellow:

resources/views/home.blade.php

Now we can run our application.

Now you can test it by using following command:

You can login with each user and output will be as like bellow:

User Login

Manager Login

Admin Login

Gates in Controller:

You can also check in Controller file as like bellow:

Gates in Route with Middleware:

You can use role with middleware as like bellow:

Read Also: Laravel Scout Algolia Search Example

I hope it can help you...

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