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Edit File: LikeService.php

<?php

namespace App\Services\User;

use App\Models\{User , Like};

class LikeService
{
    public function index($pagination)
    {
        return auth()->user()->likedUsers()
            ->selectRaw('liked_user_id as id, first_name, last_name, image, bio')
            ->paginate($pagination);
    }
    //-------------------------------------------------------------------------------------------------------------------------

public function switchLike($liked_user_id)
    {
        $user = auth()->user();
        $likedUser = User::find($liked_user_id);

// Check if the user has liked the likedUser before
        $liked = $user->isLikedBefore($liked_user_id);

// Toggle like status
        if ($liked) {
            $this->removeLike($user, $likedUser);
            $msg = __('apis.user_unliked');
        } else {
            $this->addLike($user, $likedUser);
            $msg = __('apis.user_liked');
        }

return [
            'key'  => 'success',
            'msg'  => $msg,
            'data' => !$liked, // return opposite
        ];
    }
    //-------------------------------------------------------------------------------------------------------------------------

//-------------------------------------------------------------------------------------------------------------------------
    //helpers
    //-------------------------------------------------------------------------------------------------------------------------

// Helper method to add a like
    protected function addLike($user, $likedUser)
    {
        // use the model to create the like and obserrver works
        Like::create(['user_id' => $user->id, 'liked_user_id' => $likedUser->id]);
    }

// Helper method to remove a like
    protected function removeLike($user, $likedUser)
    {
        $user->likedUsers()->detach($likedUser->id);
    }
}

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