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File: /var/www/dvpis2025/dvpis.kaunokolegija.lt/src/Controller/StudiesProgramController.php
<?php

namespace App\Controller;

use App\Entity\Department;
use App\Entity\FieldOfStudy;
use Doctrine\DBAL\Exception;
use Doctrine\DBAL\Exception\UniqueConstraintViolationException;
use Doctrine\ORM\EntityManagerInterface;
use PhpOffice\PhpSpreadsheet\IOFactory;
use Sensio\Bundle\FrameworkExtraBundle\Configuration\Method;
use Sensio\Bundle\FrameworkExtraBundle\Configuration\Security;
use App\Entity\StudiesProgram;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\Form\Form;
use Symfony\Component\Routing\Annotation\Route;
use Symfony\Component\HttpFoundation\Request;
use App\Service\FileUploader;
use Symfony\Component\Validator\Validator\ValidatorInterface;

/**
 * Studiesprogram controller.
 *
 * @Security("is_granted('ROLE_STUDY_DEPARTMENT')")
 */
#[Route(path: 'studiesprogram')]
class StudiesProgramController extends AbstractController
{
    public function __construct(
        private readonly EntityManagerInterface $em,
        private readonly ValidatorInterface $validator,
    ) {
    }

    /**
     * Lists all studiesProgram entities.
     *
     * @Method("GET")
     */
    #[Route(path: '/', name: 'studiesprogram_index')]
    public function indexAction()
    {


        $studiesPrograms = $this->em->getRepository(StudiesProgram::class)->findAll();

        return $this->render('studiesprogram/index.html.twig', array(
                    'studiesPrograms' => $studiesPrograms,
        ));
    }

    /**
     * Creates a new studiesProgram entity.
     *
     * @Method({"GET", "POST"})
     */
    #[Route(path: '/new', name: 'studiesprogram_new')]
    public function newAction(Request $request)
    {
        $studiesProgram = new Studiesprogram();
        $form = $this->createForm('App\Form\StudiesProgramType', $studiesProgram);
        $form->handleRequest($request);

        if ($form->isSubmitted() && $form->isValid()) {
            $this->em->persist($studiesProgram);
            $this->em->flush();

            return $this->redirectToRoute('studiesprogram_index', array('id' => $studiesProgram->getId()));
        }

        return $this->render('studiesprogram/new.html.twig', array(
                    'studiesProgram' => $studiesProgram,
                    'form' => $form->createView(),
        ));
    }

    /**
     * Displays a form to edit an existing studiesProgram entity.
     *
     * @Method({"GET", "POST"})
     */
    #[Route(path: '/{id}/edit', name: 'studiesprogram_edit')]
    public function editAction(Request $request, StudiesProgram $studiesProgram)
    {
        $deleteForm = $this->createDeleteForm($studiesProgram);
        $editForm = $this->createForm('App\Form\StudiesProgramType', $studiesProgram);
        $editForm->handleRequest($request);

        if ($editForm->isSubmitted() && $editForm->isValid()) {
            $this->em->flush();

            return $this->redirectToRoute('studiesprogram_index', array('id' => $studiesProgram->getId()));
        }

        return $this->render('studiesprogram/edit.html.twig', array(
                    'studiesProgram' => $studiesProgram,
                    'edit_form' => $editForm->createView(),
                    'delete_form' => $deleteForm->createView(),
        ));
    }

    /**
     * Deletes a studiesProgram entity.
     *
     * @Method("DELETE")
     */
    #[Route(path: '/{id}', requirements: ['id' => '\d+'], name: 'studiesprogram_delete')]
    public function deleteAction(Request $request, StudiesProgram $studiesProgram)
    {
        $form = $this->createDeleteForm($studiesProgram);
        $form->handleRequest($request);

        if ($form->isSubmitted() && $form->isValid()) {
            $this->em->remove($studiesProgram);
            try {
                $this->em->flush();
            } catch (Exception $ex) {
                $this->addFlash('warning', "Ištrinti įrašo nepavyko! Jis gali turėti susijusių įrašų." . $ex->getMessage());
            }
        }

        return $this->redirectToRoute('studiesprogram_index');
    }

    /**
     * Creates a form to delete a studiesProgram entity.
     *
     * @param StudiesProgram $studiesProgram The studiesProgram entity
     *
     * @return Form The form
     */
    private function createDeleteForm(StudiesProgram $studiesProgram)
    {
        return $this->createFormBuilder()
                        ->setAction($this->generateUrl('studiesprogram_delete', array('id' => $studiesProgram->getId())))
                        ->setMethod('DELETE')
                        ->getForm()
        ;
    }

    /**
     * imports studies programs from excel
     *
     * @Method({"GET","POST"})
     */
    #[Route(path: '/import_view', name: 'import_studiesprograms_view')]
    public function showImportStudiesProgramAction(Request $request, FileUploader $fileUploader)
    {

        $file = $request->files->get('fileToUpload');
        $uploadedFilePath = '';
        $fileImportReturn = [];
        if (!empty($file)) {
            $uploadedFilePath = $fileUploader->getTargetDir() . DIRECTORY_SEPARATOR . $fileUploader->upload($file);
            $fileImportReturn = $this->importData($uploadedFilePath);
            unlink($uploadedFilePath);
        }

        return $this->render('studiesprogram/import.html.twig', [
                    'uploadedFilePath' => $uploadedFilePath,
                    'importErrors' => $fileImportReturn,
        ]);
    }

    private function importData($filePath)
    {


        $departments = $this->em->getRepository(Department::class)->getAllDepartmentsByShortName();
        $fieldOfStudy = $this->em->getRepository(FieldOfStudy::class)->getAllFieldOfStudyByName();
        $studiesPrograms = $this->em->getRepository(StudiesProgram::class)->getAllByShortName();

        $objExcel = IOFactory::load($filePath);

        $worksheet = $objExcel->setActiveSheetIndex(0);

        $errors = [];
        foreach ($worksheet->getRowIterator() as $row) {
            $rowNumber = $row->getRowIndex();

            //insert values
            if ($row->getRowIndex() > 1) {
                $cellIterator = $row->getCellIterator();
                $cellIterator->setIterateOnlyExistingCells(false); // Loop all cells, even if it is not set

                $excelShortName = $worksheet->getCell('C' . $row->getRowIndex())->getValue();

                $studiesProgram = $studiesPrograms[$excelShortName] ?? new StudiesProgram();

                foreach ($cellIterator as $cell) {
                    if (!is_null($cell)) {
                        $column = $cell->getColumn();

                        switch ($cell->getColumn()) {
                            case 'A':
                                $excelCode = trim($cell->getCalculatedValue());
                                if (!isset($departments[$excelCode])) {
                                    $errors[] = $column . $rowNumber . ": Katedra/akademija/centras/skyrius nerastas! (" . $excelCode . ")";
//                                    throw new \Exception($excelCode . " Katedra/akademija/centras/skyrius nerastas!");
                                } else {
                                    $studiesProgram->setDepartment($departments[$excelCode]);
                                }
                                break;
                            case 'B':
                                $studiesProgram->setName($cell->getCalculatedValue());
                                break;
                            case 'C':
                                $studiesProgram->setShortName($cell->getCalculatedValue());
                                break;
                            case 'D':
                                $excelCode = trim($cell->getCalculatedValue());
                                if (!isset($fieldOfStudy[$excelCode])) {
//                                    throw new \Exception($excelCode . ": Studijų krypties grupė nerasta!");
                                    $errors[] = $column . $rowNumber . ": Studijų krypties grupė nerasta! (" . $excelCode . ")";
                                } else {
                                    $studiesProgram->setFieldOfStudy($fieldOfStudy[$excelCode]);
                                }
                                break;
                            case 'E':
                                $excelStateCode = $cell->getCalculatedValue();
                                if (empty($excelStateCode)) {
//                                    throw new \Exception($studiesProgram->getShortName(). ': Kodas negali būti tuščias');
                                    $excelStateCode = ' ';
                                }
                                $studiesProgram->setStateCode($excelStateCode);
                                break;
                            case 'F':
                                $studiesProgram->setDurationNL($cell->getCalculatedValue());
                                break;
                            case 'G':
                                $studiesProgram->setDurationI($cell->getCalculatedValue());
                                break;
                            default:
                                break;
                        }
                    }
                }

                $valid = $this->validator->validate($studiesProgram);

                if (empty($errors)) {
                    if (empty($valid[0])) {
                        $this->em->persist($studiesProgram);
                    } else {
                        $errors[] = $column . $rowNumber . ": " . $valid[0]->getMessage();
                    }
                }
            }
        }

        if (empty($errors)) {
            try {
                $this->em->flush();
            } catch (UniqueConstraintViolationException $ex) {
//                $this->addFlash("warning", "Faile yra vienodų naujų įrašų. Prašome patikrinti duomenis! Detaliau: ".$ex->getPrevious()->getMessage());
                $errors[] = "Faile yra vienodų naujų įrašų. Prašome patikrinti duomenis! Detaliau: " . $ex->getPrevious()->getMessage();
            }
        }

        return $errors;
    }
}