ImporterForm.php in CSV Importer 8

Namespace

File

src/Form/ImporterForm.php
View source
<?php

namespace Drupal\csv_importer\Form;

use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\Entity\EntityTypeBundleInfoInterface;
use Drupal\Core\Entity\EntityFieldManagerInterface;
use Drupal\Core\Render\RendererInterface;
use Drupal\csv_importer\ParserInterface;
use Drupal\csv_importer\Plugin\ImporterManager;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Provides CSV importer form.
 */
class ImporterForm extends FormBase {

  /**
   * The entity type manager service.
   *
   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
   */
  protected $entityTypeManager;

  /**
   * The entity field manager service.
   *
   * @var \Drupal\Core\Entity\EntityFieldManagerInterface
   */
  protected $entityFieldManager;

  /**
   * The entity bundle info service.
   *
   * @var \Drupal\Core\Entity\EntityTypeBundleInfoInterface
   */
  protected $entityBundleInfo;

  /**
   * The parser service.
   *
   * @var \Drupal\csv_importer\Parser\ParserInterface
   */
  protected $parser;

  /**
   * The renderer service.
   *
   * @var \Drupal\Core\Render\RendererInterface
   */
  protected $renderer;

  /**
   * The importer plugin manager service.
   *
   * @var \Drupal\csv_importer\Plugin\ImporterManager
   */
  protected $importer;

  /**
   * ImporterForm class constructor.
   *
   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
   *   The entity type manager service.
   * @param \Drupal\Core\Entity\EntityFieldManagerInterface $entity_field_manager
   *   The entity field manager service.
   * @param \Drupal\Core\Entity\EntityTypeBundleInfoInterface $entity_bundle_info
   *   The entity bundle info service.
   * @param \Drupal\csv_importer\Parser\ParserInterface $parser
   *   The parser service.
   * @param \Drupal\Core\Render\RendererInterface $renderer
   *   The renderer service.
   * @param \Drupal\csv_importer\Plugin\ImporterManager $importer
   *   The importer plugin manager service.
   */
  public function __construct(EntityTypeManagerInterface $entity_type_manager, EntityFieldManagerInterface $entity_field_manager, EntityTypeBundleInfoInterface $entity_bundle_info, ParserInterface $parser, RendererInterface $renderer, ImporterManager $importer) {
    $this->entityTypeManager = $entity_type_manager;
    $this->entityFieldManager = $entity_field_manager;
    $this->entityBundleInfo = $entity_bundle_info;
    $this->parser = $parser;
    $this->renderer = $renderer;
    $this->importer = $importer;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('entity_type.manager'), $container
      ->get('entity_field.manager'), $container
      ->get('entity_type.bundle.info'), $container
      ->get('csv_importer.parser'), $container
      ->get('renderer'), $container
      ->get('plugin.manager.importer'));
  }

  /**
   * {@inheritdoc}
   */
  public function getFormId() {
    return 'csv_importer_form';
  }

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {
    $form['importer'] = [
      '#type' => 'container',
      '#attributes' => [
        'id' => 'csv-importer',
      ],
    ];
    $form['importer']['entity_type'] = [
      '#type' => 'select',
      '#title' => $this
        ->t('Select entity type'),
      '#required' => TRUE,
      '#options' => $this
        ->getEntityTypeOptions(),
      '#weight' => 0,
      '#ajax' => [
        'callback' => [
          $this,
          'getContentEntityTypesAjaxForm',
        ],
        'wrapper' => 'csv-importer',
        'event' => 'change',
      ],
    ];
    if ($entity_type = $form_state
      ->getValue('entity_type')) {
      if ($options = $this
        ->getEntityTypeBundleOptions($entity_type)) {
        $form['importer']['entity_type_bundle'] = [
          '#type' => 'select',
          '#title' => $this
            ->t('Select entity bundle'),
          '#options' => $options,
          '#required' => TRUE,
          '#weight' => 5,
        ];
      }
      $options = $this
        ->getEntityTypeImporterOptions($entity_type);
      $form['importer']['plugin_id'] = [
        '#type' => 'hidden',
        '#value' => key($options),
      ];
      if (count($options) > 1) {
        $form['importer']['plugin_id'] = [
          '#type' => 'select',
          '#title' => $this
            ->t('Select importer'),
          '#options' => $options,
          '#default_value' => 0,
          '#weight' => 25,
        ];
      }
      $form['importer']['delimiter'] = [
        '#type' => 'select',
        '#title' => $this
          ->t('Select delimiter'),
        '#options' => [
          ',' => ',',
          '~' => '~',
          ';' => ';',
          ':' => ':',
        ],
        '#default_value' => ',',
        '#required' => TRUE,
        '#weight' => 10,
      ];
    }
    $form['importer']['csv'] = [
      '#type' => 'managed_file',
      '#title' => $this
        ->t('Select CSV file'),
      '#required' => TRUE,
      '#autoupload' => TRUE,
      '#upload_validators' => [
        'file_validate_extensions' => [
          'csv',
        ],
      ],
      '#weight' => 10,
    ];
    $form['actions']['#type'] = 'actions';
    $form['actions']['submit'] = [
      '#type' => 'submit',
      '#value' => $this
        ->t('Import'),
      '#button_type' => 'primary',
    ];
    return $form;
  }

  /**
   * Entity type AJAX form handler.
   */
  public function getContentEntityTypesAjaxForm(array &$form, FormStateInterface $form_state) {
    return $form['importer'];
  }

  /**
   * Get entity type options.
   *
   * @return array
   *   Entity type options.
   */
  protected function getEntityTypeOptions() {
    $options = [];
    $plugin_definitions = $this->importer
      ->getDefinitions();
    foreach ($plugin_definitions as $definition) {
      $entity_type = $definition['entity_type'];
      if ($this->entityTypeManager
        ->hasDefinition($entity_type)) {
        $entity = $this->entityTypeManager
          ->getDefinition($entity_type);
        $options[$entity_type] = $entity
          ->getLabel();
      }
    }
    return $options;
  }

  /**
   * Get entity type bundle options.
   *
   * @param string $entity_type
   *   Entity type.
   *
   * @return array
   *   Entity type bundle options.
   */
  protected function getEntityTypeBundleOptions(string $entity_type) {
    $options = [];
    $entity = $this->entityTypeManager
      ->getDefinition($entity_type);
    if ($entity && ($type = $entity
      ->getBundleEntityType())) {
      $types = $this->entityTypeManager
        ->getStorage($type)
        ->loadMultiple();
      if ($types && is_array($types)) {
        foreach ($types as $type) {
          $options[$type
            ->id()] = $type
            ->label();
        }
      }
    }
    return $options;
  }

  /**
   * Get entity importer plugin options.
   *
   * @param string $entity_type
   *   Entity type.
   *
   * @return array
   *   Entity importer plugin options.
   */
  protected function getEntityTypeImporterOptions(string $entity_type) {
    $plugin_definitions = $this->importer
      ->getDefinitions();
    $entity_type_importers = array_keys(array_combine(array_keys($plugin_definitions), array_column($plugin_definitions, 'entity_type')), $entity_type);
    if ($entity_type_importers && is_array($entity_type_importers)) {
      $plugin_definitions = array_intersect_key($plugin_definitions, array_flip($entity_type_importers));
      foreach ($plugin_definitions as $plugin_id => $plugin_defintion) {
        $options[$plugin_id] = $plugin_defintion['label'];
      }
    }
    return $options;
  }

  /**
   * Get entity type fields.
   *
   * @param string $entity_type
   *   Entity type.
   * @param string|null $entity_type_bundle
   *   Entity type bundle.
   *
   * @return array
   *   Entity type fields.
   */
  protected function getEntityTypeFields(string $entity_type, string $entity_type_bundle = NULL) {
    $fields = [];
    if (!$entity_type_bundle) {
      $entity_type_bundle = key($this->entityBundleInfo
        ->getBundleInfo($entity_type));
    }
    $entity_fields = $this->entityFieldManager
      ->getFieldDefinitions($entity_type, $entity_type_bundle);
    foreach ($entity_fields as $entity_field) {
      $fields['fields'][] = $entity_field
        ->getName();
      if ($entity_field
        ->isRequired()) {
        $fields['required'][] = $entity_field
          ->getName();
      }
    }
    return $fields;
  }

  /**
   * Get entity missing fields.
   *
   * @param string $entity_type
   *   Entity type.
   * @param array $required
   *   Entity required fields.
   * @param array $csv
   *   Parsed CSV.
   *
   * @return array
   *   Missing fields.
   */
  protected function getEntityTypeMissingFields(string $entity_type, array $required, array $csv) {
    $entity_definition = $this->entityTypeManager
      ->getDefinition($entity_type);
    if ($entity_definition
      ->hasKey('bundle')) {
      unset($required[array_search($entity_definition
        ->getKey('bundle'), $required)]);
    }
    $csv_fields = [];
    if (!empty($csv)) {
      foreach ($csv[0] as $csv_row) {
        $csv_row = explode('|', $csv_row);
        $csv_fields[] = $csv_row[0];
      }
    }
    $csv_fields = array_values(array_unique($csv_fields));
    return array_diff($required, $csv_fields);
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $entity_type = $form_state
      ->getValue('entity_type');
    $entity_type_bundle = NULL;
    $csv = current($form_state
      ->getValue('csv'));
    $csv_parse = $this->parser
      ->getCsvById($csv, $form_state
      ->getUserInput()['delimiter']);
    if (isset($form_state
      ->getUserInput()['entity_type_bundle'])) {
      $entity_type_bundle = $form_state
        ->getUserInput()['entity_type_bundle'];
    }
    $entity_fields = $this
      ->getEntityTypeFields($entity_type, $entity_type_bundle);
    if ($required = $this
      ->getEntityTypeMissingFields($entity_type, $entity_fields['required'], $csv_parse)) {
      $render = [
        '#theme' => 'item_list',
        '#items' => $required,
      ];
      $this
        ->messenger()
        ->addError($this
        ->t('Your CSV has missing required fields: @fields', [
        '@fields' => $this->renderer
          ->render($render),
      ]));
    }
    else {
      $this->importer
        ->createInstance($form_state
        ->getUserInput()['plugin_id'], [
        'csv' => $csv_parse,
        'csv_entity' => $this->parser
          ->getCsvEntity($csv),
        'entity_type' => $entity_type,
        'entity_type_bundle' => $entity_type_bundle,
        'fields' => $entity_fields['fields'],
      ])
        ->process();
    }
  }

}
Classes

Name	Description
ImporterForm	Provides CSV importer form.
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ImporterForm.php in CSV Importer 8

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