Laravel Model Controller Dependency injection

I have a following problem. I hope that my approach is not completely wrong, feel free to warn me.

I have a Model class Chat.php

protected $skip;
protected $take;
protected $agreements;
protected $chat;


public function getSkip()
{
    return $this->skip;
}

public function setSkip($skip)
{
    $this->skip = $skip;
}

public function getTake()
{
    return $this->take;
}

public function setTake($take)
{
    $this->take = $take;
}

public function __construct(array $attributes = array())
{
    parent::__construct($attributes);

    $this->setTake(8);
    $this->setSkip(8);
}

I set properties skip and take here.

Then I have controller

class DashboardController extends Controller
{

private $chat;

/**
 * DashboardController constructor.
 * @param $chat
 */
public function __construct(Chat $chat)
{
    $this->chat = $chat;
}


/**
 * Display a listing of the authenticated resource.
 *
 * @return \Illuminate\Http\Response
 */
public function index()
{


    $chats = Chat::orderBy('created_at','desc')->skip($this->chat->getSkip())->take($this->chat->getTake())->get();


    $agreements = AgrType::orderBy('created_at','desc')->take(10)->get();


    return view('sections.dashboard', compact('chats','agreements'));
}

public function loadMore()
{

    $this->chat->setSkip($this->chat->getSkip() - 1 );

    $this->chat->setTake($this->chat->getTake() - 1);



    return redirect('/dashboard');

}

My thinking is: After a user clicks on button, route /loadmore get him to this controller and triggers loadMore function.

LoadMore function then gets values through accessors and sets values with mutator.

Index method then simply reads this values.

So the meaning is: I show chat window (rather maybe comments window cause this si not really a chat), index method is called.

Index method reads the values and displays comments according to querry. -> this one is OK

now what does NOT work:

When I click button, loadMore function gets called, sets the values which index method then reads and reloads according to them.

What did I try: I tried loadMore method to display its own values (changed) and return them, but then I have a new route for reloaded chat and it is not what I want.

What do I miss? Is my approach OK? (I know javascript is maybe better for this, but I want a Laravel way, get and post.)

Thanks in advance.

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