Make User-Roles by using eloquent method with pivot-table in Laravel 10

14-Sep-2024

S.no	Contents-topics
1	Introduction to roles
2	Creating model and migration name Role
3	Run migration
4	Creating belongsToMany relation in User model
5	Creating customer role
6	Creating user and attach customer role
7	Get all customers users
8	Middleware for customer role

1:Introduction to roles

In many cases using laravel how could you define user's role like if my user has role customer then u may define is_role or role by column name in users table.

This works when your user has only single role but what if user has many roles like a user is a admin as well as customer , the option we have is to create a new user , but we have another option to attach many roles to a single user. we will make a function to attach different roles and call a function to get all users for role customer , in this example we will use Customer role.

2:Creating model and migration name Role

We will create a Model name Role and a migration file for creating table in database , in CMD or TERMINAL hit the folloeing command
command:Copy

php artisan make:model Role -m

Also read:CREATE CUSTOM ROUTE FILE IN LARAVEL 10

This wiil create app/Models/Role.php and database/migrations/your timespan_create_roles_table.php files.
Inside database/migrations/your timespan_create_roles_table.php replace the following code
code:Copy

<?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('roles', function (Blueprint $table) {

$table->id();

$table->string('name');

$table->string('slug');

$table->timestamps();

});

}

/**

* Reverse the migrations.

* @return void

public function down()

{

Schema::dropIfExists('roles');

}

};

3:Run migration

After that now will create pivot table named user_roles where we use user_id and role_id as foreign key as following.
command:Copy

php artisan make:migration create_user_roles_table

Also read:HOW TO ACCESS VARIABLES IN ALL VIEW FILES IN LARAVEL 10

Inside database/migrations/your timespan_create_user_roles_table.php replace the following code , as shown we are using foreign keys user_id and role_id from refrence users and roles as pivot table , as shown we are inializing user_id and role_id as unsignedBigInteger and after we creating refrence of these keys user_id on users and role_id on roles.
migration code:.Copy

<?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('user_roles', function (Blueprint $table) {

$table->id();

$table->unsignedBigInteger('user_id');

$table->unsignedBigInteger('role_id');

$table->foreign('user_id')->references('id')->on('users')->onDelete('cascade');

$table->foreign('role_id')->references('id')->on('roles')->onDelete('cascade');

});

}

/**

* Reverse the migrations.

* @return void

public function down()

{

Schema::dropIfExists('user_roles');

}

};

Also read:ACCESSOR AND MUTATOR IN LARAVEL 10

Now run the followig command in your CMD and TERMINAL for creating roles and user_roles table
command: Copy

php artisan migrate

In user_roles Pivot table

4:Creating belongsToMany relation in User model

Inside app/Models/User.php we are defining roles() and hasRole() where roles() function is used to get the roles of a particular user from user_roles table and hasRole() function is used whether the user has a perticular role or not paste the following code
code for model: Copy

<?php

namespace App\Models;

// use Illuminate\Contracts\Auth\MustVerifyEmail;

use Illuminate\Database\Eloquent\Factories\HasFactory;

use Illuminate\Foundation\Auth\User as Authenticatable;

use Illuminate\Notifications\Notifiable;

use Laravel\Sanctum\HasApiTokens;

use Illuminate\Database\Eloquent\Casts\Attribute;

use URL;

class User extends Authenticatable

{

use HasApiTokens, HasFactory, Notifiable;

/**

* The attributes that are mass assignable.

* @var array<int, string>

protected $fillable = [

'name',

'email',

'password',

];

/**

* The attributes that should be hidden for serialization.

* @var array<int, string>

protected $hidden = [

'password',

'remember_token',

];

/**

* The attributes that should be cast.

* @var array<string, string>

protected $casts = [

'email_verified_at' => 'datetime',

];

public function roles()

{

return $this->belongsToMany(Role::class,'user_roles');

}

public function hasRole(... $roles )

{

foreach ($roles as $role) {

if ($this->roles->contains('slug', $role)) {

return true;

}

return false;

}

5:Creating customer role

Now we had creted Role model along with migration , so now we will create Customer role and after will create user Custtomer and attach the role.
In web.php file Copy

use App\Models\Role;

Route::get('/createRole', function () {
$role = new Role();
$role->name = 'Customer';
$role->slug = 'customer';
$role->save();
});

6:Creating user and attach customer role

Also read:JOBS IN LARAVEL 9 , JOBS-QUEUES IN LARAVEL 9

This wiil create a new role name Customer in database table roles.
After that now will create a customer so use any url along with controller to create a user after creating user we will assign customer role to user by using attach , as it will attach the role customer from model function belongToMany.
code:Copy

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;

use App\Models\User;

use App\Models\Role;

use Hash;

use Auth;

class DeveloperCorner extends Controller

{

public function createCustomer()

{

$user = new User();

$user->name = 'Developer';

$user->email = '[email protected]';

$user->password = Hash::make('1234');

$user->save();

$customer = Role::where('slug','customer')->first();

$user->roles()->attach($customer);

}

now your user_roles look something like this , as this is the pivot table where we use user_id and role_id as foreign keys from users and roles.

7:Get all customers users

Now we will get al the list of users having role Customer by getCustomer() , it will return all the users with role customer .
code:.Copy

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;

use App\Models\User;

use App\Models\Role;

use Hash;

use Auth;

class DeveloperCorner extends Controller

{

public function createCustomer()

{

$user = new User();

$user->name = 'Developer';

$user->email = '[email protected]';

$user->password = Hash::make('1234');

$user->save();

$customer = Role::where('slug','customer')->first();

$user->roles()->attach($customer);

}

public function getCustomer()

{

$role = 'customer';

$customer = User::whereHas('roles', function ($q) use ($role) {

$q->where('slug', $role);

})->get();

echo"<pre>";print_r($customer);

}

8:Middleware for customer role

And to use the condition to check the role of the user in middleware or in any other file use this
code for middleware:Copy

public function checkCustomer()

{

if(Auth::User()->hasRole('customer')){

}

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Vineet Maanas

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