Holiday.php

<?php

namespace Drupal\holiday\Form;

use Drupal\Core\Datetime\DateFormatter;
use Drupal\Core\Datetime\DrupalDateTime;
use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\holiday\Entity\Inquiry;
use Drupal\holiday\Event\InquiryAdded;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Drupal\Core\Entity\EntityStorageBase;
use Drupal\Core\Entity\EntityTypeManager;
use Drupal\Core\Session\AccountProxy;
use Drupal\Core\Config\Config;
use Drupal\Component\Utility\Crypt;

/**
 * Class Holiday.
 *
 * @package Drupal\holiday\Form
 */
class Holiday extends FormBase {

  /**
   * Drupal\Core\Entity\EntityTypeManager definition.
   *
   * @var \Drupal\Core\Entity\EntityTypeManager
   */
  protected $entityTypeManager;
  /**
   * Drupal\Core\Session\AccountProxy definition.
   *
   * @var \Drupal\Core\Session\AccountProxy
   */
  protected $currentUser;

  /**
   * Drupal\Core\Config\Config definition.
   *
   * @var \Drupal\Core\Config\Config
   */
  protected $holidayConfig;
  /**
   * Holiday constructor.
   * @param $entityTypeManager
   * @param \Drupal\Core\Session\AccountProxy $current_user
   */
  public function __construct(
    $entityTypeManager,
    AccountProxy $current_user,
    Config $holidayConfig,
    DateFormatter $dateFormatter
  ) {
    $this->entityTypeManager = $entityTypeManager;
    $this->currentUser = $current_user;
    $this->holidayConfig = $holidayConfig;
    $this->dateFormatter = $dateFormatter;
  }

  public static function create(ContainerInterface $container) {
    return new static(
      $container->get('entity_type.manager'),
      $container->get('current_user'),
      $container->get('config.factory')->get('holiday.holidayformconfig'),
      $container->get('date.formatter')
    );
  }


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

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {

    $form['holiday_welcome'] = [
      '#type' => 'item',
      '#markup' => $this->holidayConfig->get('welcome_text')['value'],
    ];

    $form['inquiry'] = [
      '#type' => 'container', //details
      '#title' => $this->t('Inquiry'),
      //'#open' => TRUE,
      '#attributes' => [
        'class' => ['inquiry', 'row'],
      ],
    ];
    $form['inquiry']['name'] = [
      '#type' => 'textfield',
      '#required' => TRUE,
      '#title' => $this->t('Your name'),
      '#placeholder' => 'Иванов Иван',
      '#description' => $this->t('Please, introduce yourself'),
      '#maxlength' => 64,
      '#size' => 250,
      '#attributes' => [
        'class' => ['inquiry-name'],
      ],
      '#prefix' => '<div class="col-sm-6">',
      '#suffix' => '</div>',
    ];
    $form['inquiry']['city'] = [
      '#type' => 'textfield',
      '#title' => $this->t('City'),
      '#placeholder' => 'Москва', //
      '#description' => $this->t('Where do you live?'),
      '#maxlength' => 64,
      '#size' => 250,
      '#prefix' => '<div class="col-sm-6">',
      '#suffix' => '</div>',
    ];

    $defaultDate = DrupalDateTime::createFromTimestamp(REQUEST_TIME);
    $form['inquiry']['holiday_start'] = [
      '#type' => 'datetime',
      '#date_date_element' => 'date',
      '#date_time_element' => 'none',
      '#date_year_range' => '0:+1',
      '#default_value' => $defaultDate,
      '#required' => TRUE,
      '#title' => $this->t('Holiday start'),
      '#attributes' => [
        'class' => ['holiday-start'],
      ],
      '#prefix' => '<div class="col-sm-3">',
      '#suffix' => '</div>',
    ];

    $form['inquiry']['holiday_end'] = [
      '#type' => 'datetime',
      '#date_date_element' => 'date',
      '#date_time_element' => 'none',
      '#date_year_range' => '0:+1',
      '#default_value' => $defaultDate,
      '#required' => TRUE,
      '#title' => $this->t('Holiday end'),
      '#attributes' => [
        'class' => ['holiday-end'],
      ],
      '#prefix' => '<div class="col-sm-3">',
      '#suffix' => '</div>',
    ];

    $form['inquiry']['count_people'] = [
      '#type' => 'textfield',
      '#required' => TRUE,
      '#title' => $this->t('Count person'),
      '#placeholder' => '3-е взрослых, 1 реб. 5 лет',
      '#maxlength' => 64,
      '#size' => 250,
      '#attributes' => [
        'class' => ['count-people'],
      ],
      '#prefix' => '<div class="col-sm-6">',
      '#suffix' => '</div>',
    ];

    $form['notes'] = [
      '#type' => 'textarea',
      '#title' => $this->t('Notes and wishes'),
      '#description' => $this->t('Notes and wishes to the place of rest and services'),
      '#placeholder' => 'Баня, лодка для прогулок и рыбалки, экскурсии...',
    ];

    $form['contacts'] = [
      '#type' => 'container', //details
      '#title' => $this->t('Contacts'),
      //'#open' => TRUE,
      '#attributes' => [
        'class' => ['contacts', 'row'],
      ],
    ];
    $form['contacts']['telephone'] = [
      '#type' => 'tel',
      '#required' => TRUE,
      '#title' => $this->t('Telephone'),
      '#description' => $this->t('You telephone'),
      '#placeholder' => '+375 (29) 147-25-30',
      '#prefix' => '<div class="col-sm-6">',
      '#suffix' => '</div>',
    ];

    $form['contacts']['email'] = [
      '#type' => 'email',
      '#required' => TRUE,
      '#title' => $this->t('E-mail'),
      '#placeholder' => 'you-awesome-name@yandex.ru',
      '#prefix' => '<div class="col-sm-6">',
      '#suffix' => '</div>',
    ];


    $form['accept'] = [
      '#type' => 'checkbox',
      '#title' => $this->t('I accept the terms of service'),
    ];

    $form['submit'] = [
        '#type' => 'submit',
        '#value' => $this->t('Submit'),
    ];

    return $form;
  }

  /**
    * {@inheritdoc}
    */
  public function validateForm(array &$form, FormStateInterface $form_state) {
    $holidayStart = $form_state->getValue('holiday_start');
    $holidayEnd = $form_state->getValue('holiday_end');
    if($holidayEnd < $holidayStart) {
      $form_state->setErrorByName('holiday_end', $this->t('Date must be greater @start.', ['@start' => $holidayStart]));
    }
    if($form_state->getValue('accept') == FALSE) {
      $form_state->setErrorByName('accept', $this->t('You must accept the @terms_of_service', ['@terms_of_service' => $this->t('terms of service')]));
    }
    parent::validateForm($form, $form_state);
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    // Display result.
    foreach ($form_state->getValues() as $key => $value) {
        drupal_set_message($key . ': ' . $value);
    }
    $inquiry = $this->inquiryCreate($form_state);

    $event = new InquiryAdded($inquiry, ['inquiry' => $inquiry]);
    $event_dispatcher = \Drupal::service('event_dispatcher');
    $event_dispatcher->dispatch(InquiryAdded::EVENT_NAME, $event);

    $form_state->setRedirect('holiday.inquiry_actions', ['inquiry' => $inquiry->id(), 'access_code' => $inquiry->getAccessCode()]);
  }

  /**
   * @param \Drupal\Core\Form\FormStateInterface $form_state
   * @return \Drupal\holiday\Entity\Inquiry
   */
  protected function inquiryCreate(FormStateInterface $form_state) {

    $inquiry = Inquiry::create([
      'user_id' => 1,
      'name' => 'NEW',
      'tourist' => $form_state->getValue('name'),
      'email' => $form_state->getValue('email'),
      'telephone' => $form_state->getValue('telephone'),
      'notes' => $form_state->getValue('notes'),
      'count_people' => $form_state->getValue('count_people'),
      'city' => $form_state->getValue('city'),
      'holiday_start' => $this->toTimestamp($form_state->getValue('holiday_start')), // toTimestamp
      'holiday_end' => $this->toTimestamp($form_state->getValue('holiday_end')),
      'access_code' => Crypt::randomBytesBase64(32),
    ]);
    $inquiry->save();
    return $this->setInquiryName($inquiry);
  }

  protected function setInquiryName(Inquiry $inquiry) {
    $prefix = 'i17-';
    $id = $inquiry->id();
    $inquiry->setName($prefix . $id);
    $inquiry->save();
    return $inquiry;
  }

  protected function toTimestamp($string) {
    // 2017-03-08
    $date = DrupalDateTime::createFromFormat('Y-m-d H:i:s e', $string);
    $date->setTime(12, 0);
    return $date->format('U');
  }

}