Global-Jain/app/Repositories/Backend/Certificate/CertificateService.php

<?php

namespace App\Repositories\Backend\Certificate;

use App\Constant\Constant;
use App\Jobs\CertificateApprovedJob;
use App\Jobs\CertificateRejectionJob;
use App\Models\UserHealthInsuranceCertificate;
use App\Services\BaseService;
use Barryvdh\DomPDF\Facade\Pdf;
use Carbon\Carbon;
use Yajra\DataTables\Facades\DataTables;

class CertificateService extends BaseService
{
    const MODEL = UserHealthInsuranceCertificate::class;

    public function getListing($request): object
    {
        $dataTableQuery = $this->prepareQuery($request->all());
        return DataTables::of($dataTableQuery)
            ->addColumn(
                'checkbox_action',
                function ($hospital) {
                    return $hospital?->hospital_checkbox_action;
                }
            )
            ->addColumn(
                'action',
                function ($hospital) {
                    return $hospital?->certificate_action_buttons;
                }
            )
            ->addColumn(
                'hospital_name',
                function ($hospital) {
                    return $hospital?->hospital?->name;
                }
            )
            ->addColumn(
                'mobile_number',
                function ($hospital) {
                    return $hospital?->user?->mobile;
                }
            )
            ->editColumn(
                'generated_date',
                function ($hospital) {
                    return ($hospital?->generated_date) ? Carbon::parse($hospital?->generated_date)->format('d-m-Y H:i:s') : '-';
                }
            )
            ->editColumn(
                'status',
                function ($hospital) {
                    return $hospital?->certificate_status_action;
                }
            )
            ->addIndexColumn()
            ->rawColumns(['action', 'mobile_number', 'status', 'checkbox_action'])
            ->make(true);
    }

    public function prepareQuery($request): object
    {
        $searchQuery = $this->query()->with(['hospital','user']);

        $columns = ['created_at', 'hospital_id', 'full_name', 'email', 'aadhar_card', 'generated_date', 'status'];

        $searchQuery = $searchQuery->when(array_key_exists('full_name', $request), function ($q) use ($request) {
            return $q->where('full_name', 'like', '%' . $request['name'] . '%');
        });

        if (isset($request['order']) && $request['order'] != "") {
            $searchQuery = $searchQuery->orderBy(
                $columns[$request['order'][0]['column']],
                $request['order'][0]['dir']
            );
        }

        return $searchQuery;
    }

    /**
     * @param $id
     * @param $request
     * @return void
     */
    public function statusUpdate($id, $request): array
    {
        $response['status'] = Constant::STATUS_ZERO;

        $certificate = $this->query()->where('id', $id)->first();

        if ($certificate) {

            $certificate->rejection_reason = ($request?->status == Constant::STATUS_TWO) ? $request?->rejection_reason : '';
            $certificate->status = $request?->status;
            $certificate->generated_date = ($request?->status == 1) ? now() : null;
            $certificate->pdf_url = ($request?->status == 1) ? $this->generatePDF($certificate) : null;
            $certificate->save();

            if ($request?->status == 1) {
                dispatch(new CertificateApprovedJob($certificate));
            } elseif ($request?->status == 2) {
                dispatch(new CertificateRejectionJob($certificate));
            }

            $response['status'] = Constant::STATUS_ONE;
        }

        return $response;
    }

    /**
     * @param $certificate
     * @return string
     */
    public function generatePDF($certificate): string
    {
        $certificate->load('hospital');
        $expireDate = Carbon::parse($certificate->generated_date)->addDays(2);
        $expireDate->format('Y-m-d H:i:s');
        $certificate->toArray();
        $pdf = Pdf::loadView('backend.certificate.pdf', compact('certificate','expireDate'))
            ->setPaper('a4')
            ->setWarnings(false);

        $name = 'JHC-'.str_replace(' ','-',$certificate->full_name).'-'.Carbon::parse(now())->format('d-m-Y').'.pdf';
        $path = Constant::USER_CERTIFICATES_UPLOAD_PATH . $name;
        $pdf->save($path,env('FILESYSTEM_DRIVER'));

        return $name;
    }
}