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class AppointmentCalendarForm in Appointment Calendar 8

Hierarchy

Expanded class hierarchy of AppointmentCalendarForm

1 string reference to 'AppointmentCalendarForm'
appointment_calendar.routing.yml in ./appointment_calendar.routing.yml
appointment_calendar.routing.yml

File

src/Form/AppointmentCalendarForm.php, line 9

Namespace

Drupal\appointment_calendar\Form
View source 
class AppointmentCalendarForm extends FormBase {

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

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

    // Default year.
    $default_year = date('Y', time());
    $form['appointment_from_date'] = [
      '#type' => 'datetime',
      '#title' => $this
        ->t('Appointment From date'),
      '#default_value' => new DrupalDateTime('now'),
      '#date_date_element' => 'date',
      '#date_time_element' => 'none',
      '#date_year_range' => $default_year . ':+3',
      '#datepicker_options' => [
        'minDate' => 0,
      ],
      '#required' => TRUE,
    ];
    $form['appointment_to_date'] = [
      '#type' => 'datetime',
      '#title' => $this
        ->t('Appointment To date'),
      '#default_value' => new DrupalDateTime('now'),
      '#date_date_element' => 'date',
      '#date_time_element' => 'none',
      '#date_year_range' => $default_year . ':+3',
      '#datepicker_options' => [
        'minDate' => 0,
      ],
      '#required' => TRUE,
    ];
    $form['appointment_slot'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('No of Slots:'),
      '#size' => 10,
      '#maxlength' => 10,
      '#required' => TRUE,
    ];
    $form['appointment_fill'] = [
      '#type' => 'button',
      '#value' => $this
        ->t('Fill Slots'),
      '#weight' => 36,
      '#ajax' => [
        'callback' => '::appointment_calendar_filltime_slots_callback_form',
        'wrapper' => 'time-slot-check',
        'method' => 'replace',
        'effect' => 'fade',
      ],
    ];
    $no_slots = isset($form_state
      ->getValues()['appointment_slot']) ? $form_state
      ->getValues()['appointment_slot'] : 0;
    $form['slots']['#prefix'] = '<div id="time-slot-check">';
    for ($i = 1; $i <= $no_slots; $i++) {
      $form['slots']['time_slot_' . $i] = [
        '#type' => 'textfield',
        '#title' => $this
          ->t('Time Slot ' . $i . ' :'),
        '#description' => $this
          ->t('Ex: 10:00-11:00, 13:00-14:00, etc.,'),
      ];
      $form['slots']['time_slot_' . $i . '_capacity'] = [
        '#type' => 'textfield',
        '#title' => $this
          ->t('Slot ' . $i . ' Capacity'),
        '#description' => $this
          ->t('Only Numeric'),
      ];
    }
    $form['slots']['#suffix'] = '</div>';
    $form['slots']['#weight'] = 39;
    if ($no_slots != 0) {
      $form['slots']['submit'] = [
        '#type' => 'submit',
        '#value' => $this
          ->t('Submit'),
      ];
      $form['slots']['reset'] = [
        '#type' => 'submit',
        '#value' => $this
          ->t('Reset'),
      ];
    }
    return $form;
  }

  /**
   * Ajax callback function to show timeslots.
   */
  public function appointment_calendar_filltime_slots_callback_form(array &$form, FormStateInterface $form_state) {
    return $form['slots'];
  }

  /**
   * {@inheritdoc}
   */
  public function validateForm(array &$form, FormStateInterface $form_state) {
    $values = $form_state
      ->getValues();
    $db_conn = \Drupal::database();
    $op = (string) $values['op'];
    if ($op == $this
      ->t('Reset')) {
      $form_state
        ->setRedirect('appointment_calendar.subscribers');
    }
    if ($op == $this
      ->t('Submit')) {
      $start_date = $values['appointment_from_date']
        ->getTimestamp();
      $end_date = $values['appointment_to_date']
        ->getTimestamp();

      // Getting all dates in between Start and End Dates.
      $dates = appointment_calendar_daysbetween($start_date, $end_date);
      $check_count = 0;

      // Checking for already filled slots.
      foreach ($dates as $each_date) {
        $date_check = $db_conn
          ->select('appointment_date', 'ad');
        $date_check
          ->fields('ad', [
          'date',
        ]);
        $date_check
          ->condition('date', $each_date, '=');
        $date_result = $date_check
          ->execute()
          ->fetchField();
        if (!empty($date_result)) {
          $check_count++;
          $date = date('Y-m-d', $each_date);
          $this
            ->messenger()
            ->addError($date . ' Already filled');
        }
      }
      if ($check_count > 0) {
        $form_state
          ->setErrorByName('appointment_from_date', t('Verify and try adding again'));
      }

      // Date Validation.
      if ($start_date > $end_date) {
        $form_state
          ->setErrorByName('appointment_to_date', t('End Date Should be greater than Start Date'));
      }
      if ($start_date < strtotime(date('Y-m-d', time()))) {
        $form_state
          ->setErrorByName('appointment_start_date', t('Start Date Should be greater than Today(s) Date'));
      }
      $slots = $values['appointment_slot'];

      // Time slot and Capacity Validation.
      $time_slots_check = [];
      for ($i = 1; $i <= $slots; $i++) {
        $time_slot = $values['time_slot_' . $i];
        $time_capacity = $values['time_slot_' . $i . '_capacity'];
        $regex = '/^(?:[01][0-9]|2[0-3]):[0-5][0-9]-(?:[01][0-9]|2[0-3]):[0-5][0-9]$/';

        // Timeslot.
        if (!preg_match($regex, $time_slot)) {
          $form_state
            ->setErrorByName('time_slot_' . $i, t('Time slot format should be 00:00-00:00 (in between 24 hrs).'));
        }

        // Slot Capacity.
        if ($time_capacity < 0) {
          $form_state
            ->setErrorByName('time_slot_' . $i . '_capacity', t('Slot Capacity should be greater than 0.'));
        }

        // Timeslot Check.
        if (empty($time_capacity)) {
          $form_state
            ->setErrorByName('time_slot_' . $i . '_capacity', t('Fill time slot capacity.'));
        }

        // Checking duplicate slots.
        $time_slots_check[] = $time_slot;
        $vals = array_count_values($time_slots_check);
        if ($vals[$time_slot] > 1) {
          $form_state
            ->setErrorByName('time_slot_' . $i, t('Time slot cannot redeclare twice or more.'));
        }
      }
    }
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $values = $form_state
      ->getValues();
    $db_conn = \Drupal::database();
    $op = (string) $values['op'];
    if ($op == $this
      ->t('Submit')) {
      $start_date = $values['appointment_from_date']
        ->getTimestamp();
      $end_date = $values['appointment_to_date']
        ->getTimestamp();
      $slots = $values['appointment_slot'];

      // Fetching Timeslot and capacity values.
      for ($i = 1; $i <= $slots; $i++) {
        $time_slot = $values['time_slot_' . $i];
        $time_capacity = $values['time_slot_' . $i . '_capacity'];
        $slots_save[$time_slot] = $time_slot;
        $slots_capacity[$time_slot] = $time_capacity;
      }
      ksort($slots_save);
      ksort($slots_capacity);

      // Getting all dates in between Start and End Dates.
      $dates = appointment_calendar_daysbetween($start_date, $end_date);

      // Saving date with time slots and capacity.
      foreach ($dates as $each_date) {
        $db_conn
          ->merge('appointment_date')
          ->key([
          'date' => $each_date,
        ])
          ->fields([
          'no_slots' => $slots,
          'slot_values' => json_encode($slots_save),
          'slot_capacity' => json_encode($slots_capacity),
        ])
          ->execute();
      }

      // Redirect to list page.
      $this
        ->messenger()
        ->addStatus(t('Slot(s) created successfully'));
    }
  }

}

Members

Namesort descending Modifiers Type Description Overrides
AppointmentCalendarForm::appointment_calendar_filltime_slots_callback_form public function Ajax callback function to show timeslots.
AppointmentCalendarForm::buildForm public function Form constructor. Overrides FormInterface::buildForm
AppointmentCalendarForm::getFormId public function Returns a unique string identifying the form. Overrides FormInterface::getFormId
AppointmentCalendarForm::submitForm public function Form submission handler. Overrides FormInterface::submitForm
AppointmentCalendarForm::validateForm public function Form validation handler. Overrides FormBase::validateForm
DependencySerializationTrait::$_entityStorages protected property An array of entity type IDs keyed by the property name of their storages.
DependencySerializationTrait::$_serviceIds protected property An array of service IDs keyed by property name used for serialization.
DependencySerializationTrait::__sleep public function 1
DependencySerializationTrait::__wakeup public function 2
FormBase::$configFactory protected property The config factory. 1
FormBase::$requestStack protected property The request stack. 1
FormBase::$routeMatch protected property The route match.
FormBase::config protected function Retrieves a configuration object.
FormBase::configFactory protected function Gets the config factory for this form. 1
FormBase::container private function Returns the service container.
FormBase::create public static function Instantiates a new instance of this class. Overrides ContainerInjectionInterface::create 87
FormBase::currentUser protected function Gets the current user.
FormBase::getRequest protected function Gets the request object.
FormBase::getRouteMatch protected function Gets the route match.
FormBase::logger protected function Gets the logger for a specific channel.
FormBase::redirect protected function Returns a redirect response object for the specified route. Overrides UrlGeneratorTrait::redirect
FormBase::resetConfigFactory public function Resets the configuration factory.
FormBase::setConfigFactory public function Sets the config factory for this form.
FormBase::setRequestStack public function Sets the request stack object to use.
LinkGeneratorTrait::$linkGenerator protected property The link generator. 1
LinkGeneratorTrait::getLinkGenerator Deprecated protected function Returns the link generator.
LinkGeneratorTrait::l Deprecated protected function Renders a link to a route given a route name and its parameters.
LinkGeneratorTrait::setLinkGenerator Deprecated public function Sets the link generator service.
LoggerChannelTrait::$loggerFactory protected property The logger channel factory service.
LoggerChannelTrait::getLogger protected function Gets the logger for a specific channel.
LoggerChannelTrait::setLoggerFactory public function Injects the logger channel factory.
MessengerTrait::$messenger protected property The messenger. 29
MessengerTrait::messenger public function Gets the messenger. 29
MessengerTrait::setMessenger public function Sets the messenger.
RedirectDestinationTrait::$redirectDestination protected property The redirect destination service. 1
RedirectDestinationTrait::getDestinationArray protected function Prepares a 'destination' URL query parameter for use with \Drupal\Core\Url.
RedirectDestinationTrait::getRedirectDestination protected function Returns the redirect destination service.
RedirectDestinationTrait::setRedirectDestination public function Sets the redirect destination service.
StringTranslationTrait::$stringTranslation protected property The string translation service. 1
StringTranslationTrait::formatPlural protected function Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals protected function Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation protected function Gets the string translation service.
StringTranslationTrait::setStringTranslation public function Sets the string translation service to use. 2
StringTranslationTrait::t protected function Translates a string to the current language or to a given language.
UrlGeneratorTrait::$urlGenerator protected property The url generator.
UrlGeneratorTrait::getUrlGenerator Deprecated protected function Returns the URL generator service.
UrlGeneratorTrait::setUrlGenerator Deprecated public function Sets the URL generator service.
UrlGeneratorTrait::url Deprecated protected function Generates a URL or path for a specific route based on the given parameters.