exchange-2.0/app/Http/Controllers/Companies/QualityRating.php

<?php

namespace App\Http\Controllers\Companies;

use App\Classes\Modules\Companies\ControllersLogic\FetchCompanyAverageSpending;
use App\Classes\ValueObjects\Constants\ApprovalStatus;
use App\Classes\ValueObjects\Constants\TransactionType;
use App\Http\Controllers\Controller;
use App\Models\Booking;
use App\Models\Company;
use App\Models\Transaction;
use App\Models\User;
use Carbon\Carbon;
use Illuminate\Http\Request;

class QualityRating extends Controller
{

    public function getAverageSpending(Request $request, FetchCompanyAverageSpending $logic)
    {
        return $logic->execute($request);
    }

    public function getBookingAverage($id)
    {
        $company = Company::find($id);
        $bookings = $company->bookings()->get();
        $amount_arr = [];
        $total = 0;

//        dd($bookings->pluck("fix_amount"));
        foreach ($company->bookings as $booking)
        {
            $fix_amount = $booking->fix_amount;
            array_push($amount_arr,$booking->fix_amount);

            $total = $total + $fix_amount;
        }
        $average = $total / count($bookings);
//        dd($average);

        // note: an err will occur when eq to 0
        $normalized = ($average - min($amount_arr)) / (max($amount_arr) - min($amount_arr));
        dd($normalized);
//        dd($amount_arr);
    }

    public function activityRating($id)
    {
        $company = Company::find($id);

        $last_booking = $company->bookings()->oldest()->first();
//        $last_activity = date_format($last_booking->created_at, "Y/m/d H:i:s");
        $last_activity = $last_booking->created_at;
        $days_activity = date_diff($last_activity, date_create("now"))->format("%a");

        $start_date = $company->created_at;
        $date_age = date_diff($start_date,date_create('now'))->format("%a");

        // not sure about the calculations

        dd($days_activity);
    }

    public function poSubmissionRating($id)
    {
        $company = Company::find($id);

        $start_date = $company->created_at;
        $date_age = date_diff($start_date,date_create('now'))->format("%a");

        $bookings = $company->bookings()
            ->whereIn('status',[3,2])
            ->get();
        $total = 0;

        foreach ($bookings as $booking) {

            $transaction = $booking->transactions()
                ->where('type', TransactionType::PURCHASE_ORDER)
                ->whereIn('status', [ApprovalStatus::PENDING_VERIFICATION,ApprovalStatus::APPROVED, ApprovalStatus::COMPLETED])
                ->first();

//            $bookingDate = Carbon::parse($booking->created_at);
//
//            $transaction_date = $transaction ? Carbon::parse($transaction->created_at) : Carbon::now() - Carbon::parse($booking->created_at);
//            $date_difference = $bookingDate->diffInDays($transaction_date);

            $date_difference  = Carbon::parse($booking->created_at)->diffInDays($transaction ? Carbon::parse($transaction->created_at) : Carbon::now());
            $total = $date_difference + $total;
//            echo "Booking Date : ".$booking->created_at." Po date :".($transaction ? Carbon::parse($transaction->created_at) : Carbon::now())->format('Y-m-d')." = ".$date_difference."\n\n";
//            $total = $total + $transaction;
        }

        $average_po_delay = $total / count($bookings);

        $rating = ((($average_po_delay / $date_age) * 100) - 100);
        dd($rating);
//        dd($total);
    }
}