Symfony hotel pricing calculator

hotelPricingCalculator.php

<?php

/*
http://localhost:8000/checkout?name=&contact=&check-in-date=2018-09-03&check-out-date=2018-09-07&rooms=01&adults=01&hotel_id=1&kids=01
Use the above parameters for example
*/

namespace App\Controller;

use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\Routing\Annotation\Route;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Validator\Constraints\DateTime;
use App\Entity\Hotel;
use App\Entity\Season;
use Symfony\Component\Form\Extension\Core\Type\DateIntervalType;

//use Symfony\Component\Validator\Constraints\Date;

class CheckoutPageController extends AbstractController{
    /**
     * @Route("/checkout", name="checkout_page")
     */
    public function index(Request $request){
       $userTotalRate = 0;
       $name= $request->query->get('name');
       $contact=$request->query->get('contact');

       $check_in_date=$request->query->get('check-in-date');
       $check_out_date=$request->query->get('check-out-date');

       $rooms=$request->query->get('rooms');
       $adults=$request->query->get('adults');
       $kids=$request->query->get('kids');
       $hotel_id= $request->query->get('hotel_id');

       $startDate = date_create($check_in_date);
       $endDate= date_create($check_out_date);

        $noOfDays= date_diff($startDate,$endDate);
        $noOfnights= $noOfDays->days;

        $hotel=$this->getDoctrine()->getRepository(Hotel::class)->find($hotel_id);

        $checkInMonth = date_parse_from_format("Y-m-d", $check_in_date);
        $checkInMonth = $checkInMonth["month"];

        $checkOutMonth = date_parse_from_format("Y-m-d", $check_in_date);
        $checkOutMonth  = $checkOutMonth["month"];

        if($checkOutMonth > $checkInMonth){
          //Checkout is in another month ;
          //implement algorithm respectively
        }else{
          //checkout is in the same month.

            $season=$this->getDoctrine()->getRepository(Season::class)->findOneBy(['monthInteger' => 9]);
            $hasSeason = $season->getHasSeason();
            $seasonStartDate = $season->getStartSeasonDate()->format('y-m-d');
            $seasonEndDate = $season->getEndSeasondate()->format('y-m-d');

            if($hasSeason){ //means that the specific months is on season period
                  $offSeasonRate = $hotel->getOffSeasonRate(); // Get Offseason Rate from hotel Entity
                  $seasonRate =  $hotel->getSeasonRate(); // Get season Rate from hotel Entity

/*
  Now because there is a chance of season dates lying in user check in and check out dates.
  So we first convert the check_in_date and check_out_date to timestamps , meanwhile also subtracting a day from check_out_date.
  As because hotel rates are calculated in terms of nights not days .
*/
                  $startTime = strtotime($check_in_date); 
                  $endTime = strtotime('-1 day' , strtotime($check_out_date));


                   $userTotalRate = 0; // initialize it to zero
/*
Now we loop from begin timestamp to endtimestamp incrementing the counter by a day ,
i.e 86400 in milliseconds. Timestamps are in milliseconds .Now make a check if the date itself lies in between the season range using check_in_range function.
If it lies then use SeasonRate else use Offseason rate and add it to $userTotalRate .  
*/
                   
                   for( $i = $startTime; $i <= $endTime; $i = $i + 86400){
                       if(self::check_in_range($seasonStartDate, $seasonEndDate, date('y-m-d', $i ))){
                          // echo $seasonStartDate. '/' . $seasonEndDate . '/' .  date('y-m-d', $i );
                           $userTotalRate = $userTotalRate + $seasonRate;
                           // echo 'season\r\n';
                       }else{
                         // echo 'offseason\r\n';
                           $userTotalRate = $userTotalRate + $offSeasonRate;
                       }
                   }


            }else {
              //means that the specific months has no season period
              $userTotalRate = 1;
              $perNightRate = $hotel->getOffSeasonRate();
              $userTotalRate = $perNightRate * $noOfnights;
            }

        }




          return new Response($userTotalRate);

        // return $this->render('checkout_page/index.html.twig', [
        //     'controller_name' => 'CheckoutPageController',
        // ]);
    }

function check_in_range($start_date, $end_date, $date_from_user){
  // Convert to timestamp
  $start_ts = strtotime($start_date);
  $end_ts = strtotime($end_date);
  $user_ts = strtotime($date_from_user);

  // Check that user date is between start & end
  return (($user_ts >= $start_ts) && ($user_ts <= $end_ts));
}

}

This is just a practice and needs other requirements to work properly so kindly ignore if you looking for a generic algorithm . 😢