'Call to a member function givePermissionTo() on null

I'm trying to learn Spatie Laravel Permission Package. When trying to insert data to models has permissions table it gives the below error in postman. I don't know clearly how to insert data. I used the guide of spatie documentation.

error,

Call to a member function givePermissionTo() on null

here is my controller function

public function models()
    {
        
        Role::create(['name'=>'writer']);
        Permission::create(['name'=>'edit post']);

        Auth::id()->givePermissionTo('edit articles');
       
        return 'hello';
    }

I don't know if the question is clear enough. Please tell me if it's not clear.

phplaravel


Solution 1:[1]

Auth::id() return the id of the authenticated user, but you need to call givePermissionTo on a user object, not a user id. try

Auth::user()->givePermissionTo('edit articles');

Solution 2:[2]

@brombeer was right. the issue was in the Auth::id() It says the authenticated user is not accessed in. I changed my function line Auth::id()->givePermissionTo('edit articles'); to auth()->user()->givePermissionTo('edit articles');. Also the called __construct() function like this,

public function __construct()
    {
        $this->middleware('auth');
    }

Then I accessed as an authorized user and inserted log in the token as a bearer token in postman. Then the issue was fixed.

Solution 3:[3]

Auth::id returns the id of the user. The method givePermissionTo should be called on an object of the user and not the id.

Here are two ways you can do it:

Method 1

Auth::user()->givePermissionTo('edit articles');

Method 2

$user = Auth::user();
$user->givePermissionTo('edit articles);

Sources

This article follows the attribution requirements of Stack Overflow and is licensed under CC BY-SA 3.0.

Source: Stack Overflow

Solution Source
Solution 1 Majid Vahidkhoo
Solution 2 Tharindu Marapana
Solution 3 davidkihara

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