api_arrahn/app/Support/v2/Calculation.php

<?php

namespace App\Support\v2;

use App\Feature;
use App\KadarRebet;
use App\KadarUpah;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Schema;

class Calculation
{

    protected $maks_margin = 80;
    protected $one_percent = 1;

    /* Start Calculation of Ujrah */

    private function kiraanUjrah(float $nilaimarhun = 0.0,float $kadarujrah = 0.0,float $margin = 0.0){
        
        //periksa adakah kadar ujrah ini diberi percentage
        if($kadarujrah >= 1){
            return;
        }

        $ujrah = ($kadarujrah/100) * $nilaimarhun;
        $formula_margin = ($this->maks_margin - $margin) / $this->maks_margin;
        $ujrah_margin = $formula_margin * $kadarujrah;
        $rebate_ujrah = $nilaimarhun*($ujrah_margin/100);
        $ujrah_sebenar = $ujrah - $rebate_ujrah;

        return $ujrah_sebenar;
    }

    private function kiraanOnePercent(float $pembiayaan = 0.0){

        //periksa adakah pembiayaan adalah null atau kosong.
        if($pembiayaan == 0 || $pembiayaan == null)
            return;
        
            $onepercent = ($this->one_percent/100) * $pembiayaan;


        return $onepercent;
    }

    public function kiraanUjrahSebenar(float $nilaimarhun = 0.0,float $kadarujrah = 0.0,float $margin = 0.0){

        if($kadarujrah >= 1){
            return;
        }

        $ujrah = ($kadarujrah/100) * $nilaimarhun;
        $formula_margin = ($this->maks_margin - $margin) / $this->maks_margin;
        $rebate_ujrah = $formula_margin * $ujrah;
        $ujrah_sebenar = $ujrah - $rebate_ujrah;

        return $ujrah_sebenar;
    }

    public function kiraanKeuntunganRebet(float $pembiayaan = 0.0,float $nilaimarhun = 0.0,float $kadarujrah = 0.0,float $margin = 0.0, $kodcaw = null){

        $this->one_percent = $this->getKadarUpah($nilaimarhun);

        $onepercent = $this->kiraanOnePercent($pembiayaan);
        $ujrah_sebenar = $this->kiraanUjrahSebenar($nilaimarhun,$kadarujrah,$margin);

        $onepercent = (!empty($onepercent)) ? $this->getRoundedMethod($onepercent) : 0;
        $ujrah_sebenar = (!empty($ujrah_sebenar)) ? $this->getRoundedMethod($ujrah_sebenar) : 0;

        $keuntungan = $onepercent + $ujrah_sebenar;
        $annur = $this->kiraanDiskaunAnnur($kodcaw, $pembiayaan, $keuntungan);

        return [
            'keuntungan' => $keuntungan,
            'onepercent' => $onepercent,
            'ujrah' => $ujrah_sebenar,
            'diskaun' => $annur['diskaun'],
            'kadarrebet' => $annur['kadarrebet'],
        ];
    }

    /**
     * Annur promotional discount. Other cawangan get 0 unless rebet_annur is enabled.
     */
    public function kiraanDiskaunAnnur($kodcaw, float $pembiayaan = 0.0, float $keuntungan = 0.0)
    {
        $empty = ['kadarrebet' => 0, 'diskaun' => 0];

        try {
            if (!$kodcaw || !Feature::enabled($kodcaw, Feature::REBET_ANNUR)) {
                return $empty;
            }
        } catch (\Exception $e) {
            return $empty;
        }

        $percent = $this->kiraanRebetAnnur($pembiayaan);
        if ($percent <= 0 || $keuntungan <= 0) {
            return ['kadarrebet' => $percent, 'diskaun' => 0];
        }

        return [
            'kadarrebet' => $percent,
            'diskaun' => $this->getRoundedMethod($keuntungan * ($percent / 100)),
        ];
    }

    private function kiraanRebetAnnur(float $pembiayaan = 0.0)
    {
        try {
            if (!Schema::connection('mysql7')->hasTable('kadar_rebet')) {
                return 0;
            }

            $kadarrebet = KadarRebet::on('mysql7')
                ->where('pembiayaan_min', '<=', $pembiayaan)
                ->where('pembiayaan_max', '>=', $pembiayaan)
                ->sum('kadarrebet');

            return (float) $kadarrebet;
        } catch (\Exception $e) {
            return 0;
        }
    }

    public function kiraanKeuntunganSebenar(float $pembiayaan = 0.0,float $nilaimarhun = 0.0,float $kadarujrah = 0.0,float $margin = 0.0){

        $this->one_percent = $this->getKadarUpah($nilaimarhun);
        $onepercent = $this->kiraanOnePercent($pembiayaan);
        $ujrah_sebenar = $this->kiraanUjrah($nilaimarhun,$kadarujrah,$margin);
        $onepercent = (!empty($onepercent)) ? $this->getRoundedMethod($onepercent) : 0;
        $ujrah_sebenar = (!empty($ujrah_sebenar)) ? $this->getRoundedMethod($ujrah_sebenar) : 0;

        $keuntungan = $onepercent + $ujrah_sebenar;

        return ['keuntungan' => $keuntungan,'onepercent' => $onepercent, 'ujrah' => $ujrah_sebenar];
    }

    public function getKadarUjrah(float $nilaimarhun = 0.0, $groupid) : Float{

        $kadarujrah = KadarUpah::on('mysql7')->select('kadarujrah')->where([['min','<=',$nilaimarhun],['max','>=',$nilaimarhun]])->where('group_id',$groupid)->get()->toArray();

        return isset($kadarujrah[0]) ? $kadarujrah[0]['kadarujrah'] : 0;
    }

    public function getKadarUpah(float $nilaimarhun = 0.0){
        $kadarupah = KadarUpah::on('mysql7')->where([['min','<=',$nilaimarhun],['max','>=',$nilaimarhun]])->where('group_id',1)->first();

        return isset($kadarupah) ? $kadarupah['kadaronepercent'] : 1;
    }

    public function getRoundedMethod(float $number = 0.0) : Float{
        // $multiplied = number_format($number * 100,2);
        // $floorResult = floor($multiplied);
        // $number_string = number_format($floorResult/100,2);
        $number_string = number_format(floor($number * 100)/100,2);

        $rounded = substr($number_string, 0, -1);
        $lastDigit = substr($number_string, -1);

        if ($lastDigit >= 0 && $lastDigit <= 2) {
            if(strpos($rounded,',')){
                $rounded = str_replace(',','',$rounded);
            }
            return $rounded;
        } elseif ($lastDigit >= 3 && $lastDigit <= 7) {
            $rounded = $rounded . '5';
            if(strpos($rounded,',')){
                $rounded = str_replace(',','',$rounded);
            }
            return $rounded;
        } else {
            return round($number,PHP_ROUND_HALF_UP);
        }
    }
    
    /* End of Line Calculation */

    






}