Loading dates into controller URLs

OrderDashboardController.php

<?php

    /**
     * Show the page for a given date (eg the URL would be /my-tasks/2020-12-07)
     */
    public function showDashboardForGivenDate($date)
    {
        $startDate   = Carbon::parse($date); // Carbon Object
        $dateIsValid = $startDate->toDateString() === $date; // bool

        /**
         * They've sent in gobbledegook. Redirect to today and re-render.
         */
        if (!$dateIsValid) {
            return Redirect::to('/my-tasks/' . now()->toDateString()); // ..or whatever date eg start of week, now()->weekday(0)->toDateString()
        }

        
        
        /**
         * Set some meta for the view, so we can play around with dates in links
         */
        $endDate   = $startDate->addDays(7);
        
        $data['datesInView'] = [
            'startDate' => $startDate,
            'endDate'   => $endDate,
        ];

        /**
         * Get the data.
         * Note that eloquent is cool passing Carbon objects into it
         */
        $data['orders'] = DealOrder::whereBetween('created_at', [$startDate->startOfDay(), $endDate->endOfDay()])->get();

        return view('app.view', $data);
    }

view.blade.php

<div>

  <a href="/my-tasks/{{ $datesInView['startDate']->subdays(7)->toDateString() }}">Back 7 days</a>
  <a href="/my-tasks/{{ $datesInView['startDate']->addDays(7)->toDateString() }}">Forward 7 days</a>

</div>

web.php

<?php 

  // ..

  Route::get('/my-tasks/{date}', 'WhateverController@showDashboardForGivenDate');

  // ..