Laravel Rule: Custom Validation Depending Upon Two Request Inputs

Question

I want to validate if the user is associated with the order in the request validation.

Order Migration:

$table->bigIncrements('id');

$table->unsignedBigInteger('user_id')->nullable();

...

$table->timestamps();

$table->softDeletes();

User Table:

$table->bigIncrements('id');
$table->string('name');
$table->string('email')->unique();
$table->timestamps();

I have manually created a function to check if the order is associated with the user

public function checkIfOrderIsAssociatedWithTheUser(Request $request){
     $checkExistsStatus = Order::where('id',$request->order_id)->where('user_id', $request->user_id)->exists();

    return $checkExistsStatus;
}

When I need to check the associate, I have to call this function like:

$this->validate($request, [
    'order_id' => 'required|exists:orders,id',
    'user_id' => 'required|exists:users,id'
]);

$checkExistsStatus = $this->checkIfOrderIsAssociatedWithTheUser($request);

if(!$checkExistsStatus){
    return redirect()->back()->withErrors([
        'Order and user is not linked'
    ]);
}else{
    ...
}

I tried to create a new rule: CheckAssociationBetweenOrderAndUser but I am unable to pass the user_id to it.

$this->validate($request, [
    //unable to pass user_id
    'order_id' => ['required', new CheckAssociationBetweenOrderAndUser()]
]);

Is there any better way to validate the association check by creating a custom new rule? Or this is the only way to check the association?

julianstark999 · Accepted Answer · 2019-11-15 05:33:13Z

3

Creating a custom rule was a good attempt. You can pass the $request as param in the constructor like

$this->validate($request, [
    'field' => ['required', new CustomRule ($request)]
]);

namespace App\Rules;

use Illuminate\Contracts\Validation\Rule;
use Illuminate\Http\Request;

class CustomRule implements Rule
{
    protected $request;

    public function __construct(Request $request)
    {
        $this->request = $request;
    }

    ...
}

answered Nov 15, 2019 at 5:33

julianstark999

3,6241 gold badge30 silver badges42 bronze badges

Sign up to request clarification or add additional context in comments.

2 Comments

usrNotFound Over a year ago

Even thought this seems to be valid. You can use request() helper method. Laravel will resolve and save you for injecting in the class. so you validation will simply be 'field' => ['required', new CustomRule] and in your CustomRule class you use request('value'). Work as it should and less code

julianstark999 Over a year ago

@usrNotFound thanks for this info, I didn't even know that myself

Collectives™ on Stack Overflow

Laravel Rule: Custom Validation Depending Upon Two Request Inputs

1 Answer 1

2 Comments

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

1 Answer 1

2 Comments

Your Answer

Sign up or log in

Post as a guest

Related