sigd/app/Services/Emisi/Waste4AMethaneService.php

<?php

namespace App\Services\Emisi;

use App\Models\ReferenceEf;
use App\Models\Waste4AMethane;
use App\Models\Waste4APre;
use App\Services\SigdCrudService;

class Waste4AMethaneService extends SigdCrudService
{
    private $sectorCode = 'waste';
    private $formCode = 'sampah';
    public function __construct(Waste4AMethane $model)
    {
        $this->model = $model;
    }

    public function save($code, $inventoryYear)
    {
        try {
            $dataBatch = [];
            $ws = $this->getWs($code);
            $years = activityYearRange($inventoryYear, false);

            if ($ws && class_basename($ws->model) == 'Waste4AMethane') {
                foreach ($years as $year) {
                    $dataBatch = array_merge($dataBatch, $this->calcAndSave($inventoryYear, $year, $ws));
                }
            } else {
                throw new \Exception("Forbidden");
            }

            return $dataBatch;
        } catch (\Exception $e) {
            throw $e;
        }
    }

    public function calcAndSave($inventoryYear, $activityYear, $ws)
    {
        # deklarasi variabel
        $items = ['sisa_makanan', 'kertas', 'nappies', 'taman', 'kayu', 'tekstil'];
        $activities = [];

        # inisialisasi data aktivitas
        foreach ($items as $item) {
            $activities[$item . '_amount'] = 0;
            $activities[$item . '_dry_matter'] = 0;
        }

        try {
            $dataForms = [];
            $wsCode = $ws->ws_code;

            # ambil data aktivitas
            $ws4a_pre = Waste4APre::whereIn('activity', ['amount', 'dry_matter'])
                ->where('inventory_year', $inventoryYear)->where('activity_year', $activityYear)
                ->rowActive()->get();

            foreach ($ws4a_pre as $row) {
                foreach ($items as $item) {
                    $activities[$item . '_' . $row->activity] = $row->$item;
                }
            }

            # ambil ddocm_accumulated tahun sebelumnya
            $no = 1;
            foreach ($items as $item) {
                $ws4a_methane = [];
                if (abs($activityYear - $inventoryYear) == 15) {
                    $ws4a_methane = Waste4AMethane::where('activity_year', $activityYear - 1)
                        ->where('activity_code', $item)->rowActive()->orderBy('updated_at', 'DESC')->first();
                } else {
                    $ws4a_methane = Waste4AMethane::where('inventory_year', $inventoryYear)
                        ->where('activity_year', $activityYear - 1)
                        ->where('activity_code', $item)->rowActive()->orderBy('updated_at', 'DESC')->first();
                }

                $ddocm_accumulated_prev = $ws4a_methane->ddocm_accumulated ?? 0;
                $ef_doc = ReferenceEf::getValue($item, 'DOC');
                $ef_docf = ReferenceEf::getValue($item, 'DOCf');
                $ef_exp1 = ReferenceEf::getValue($item, 'exp1');
                $ef_exp2 = ReferenceEf::getValue($item, 'exp2');
                $ef_f = ReferenceEf::getValue($item, 'F');
                $ef_mcf = ReferenceEf::getValue('timbulan_sampah', 'total_weighted_mcf');

                $amount = $activities[$item . '_amount'] ?? 0;
                $dry_matter = $activities[$item . '_dry_matter'] ? $activities[$item . '_dry_matter'] / 100 : 0;

                $ddocm_deposited = $amount * $dry_matter * $ef_doc * $ef_docf * $ef_mcf;
                $ddocm_unreacted = $ddocm_deposited * $ef_exp2;
                $ddocm_decomposed_1 = $ddocm_deposited * (1 - $ef_exp2);
                $ddocm_accumulated = $ddocm_unreacted + ($ddocm_accumulated_prev * $ef_exp1);
                $ddocm_decomposed_2 = $ddocm_accumulated_prev * (1 - $ef_exp1) + $ddocm_decomposed_1;
                $ch4 = $ddocm_decomposed_2 * $ef_f * 16 / 12;

                $dataForm = [
                    'inventory_year' => $inventoryYear,
                    'activity_year' => $activityYear,
                    // 'category' => $wsCode,
                    'activity_code' => $item,
                    'amount' => $amount,
                    'dry_matter' => $dry_matter,
                    'ef_doc' => $ef_doc,
                    'ef_docf' => $ef_docf,
                    'ef_exp1' => $ef_exp1,
                    'ef_exp2' => $ef_exp2,
                    'ef_f' => $ef_f,
                    'ef_mcf' => $ef_mcf,

                    'ddocm_deposited' => $ddocm_deposited,
                    'ddocm_unreacted' => $ddocm_unreacted,
                    'ddocm_decomposed_1' => $ddocm_decomposed_1,
                    'ddocm_accumulated' => $ddocm_accumulated,
                    'ddocm_accumulated_prev' => $ddocm_accumulated_prev,
                    'ddocm_decomposed_2' => $ddocm_decomposed_2,
                    'ch4' => $ch4,
                    'row_num' => $no++,
                ];

                $this->createOrUpdate([
                    'inventory_year' => $inventoryYear,
                    'activity_year' => $activityYear,
                    // 'category' => $wsCode,
                    'activity_code' => $item,
                    'row_status' => 1,
                ], $dataForm);

                $dataForms[] = $dataForm;
            }

            return $dataForms;
        } catch (\Exception $e) {
            throw $e;
        }
    }
}