opencase/opencase.module

<?php

/**
 * @file
 * Contains opencase.module.
 */

use Drupal\Core\Routing\RouteMatchInterface;
use Drupal\Core\Access\AccessResult;
use Drupal\opencase\EntityTypeRelationsWidget;

/**
 * Implements hook_element_info_alter().
 */
function opencase_element_info_alter(array &$types) {
  $types['datetime']['#process'][] = 'opencase_process_element';
}

/**
 * Element process callback for datetime fields. Removes the seconds part.
 */
function opencase_process_element($element) {
  if ($element['#date_time_element'] !== 'none') {
    $element['#date_time_format'] = 'H:i';
  }
  if (!empty($element['time']['#value'])) {
    $parts = explode(':', $element['time']['#value']);
    $parts = array_splice($parts, 0, 2);
    $element['time']['#value'] = implode(':', $parts);
  }
  // Remove seconds in browsers that support HTML5 type=date.
  $element['time']['#attributes']['step'] = 60;
  return $element;
}

/**
 * Implements hook_page_attachments
 *
 * Add the opencase library to every page
 */
function opencase_page_attachments(array &$page) {
  $page['#attached']['library'][] = 'opencase/opencase-lib';
}


/**
 * Implements hook_link_alter
 *
 * Makes menu items that are external links open in new tab.
 */
function opencase_link_alter(&$variables) {
  if ($variables['url']->isExternal()) {
    $variables['options']['attributes'] = ['target' => '_blank'];
  }
}

/**
 * Implements hook_help().
 */
function opencase_help($route_name, RouteMatchInterface $route_match) {
  switch ($route_name) {
    // Main module help for the opencase module.
    case 'help.page.opencase':
      $output = '';
      $output .= '<h3>' . t('About') . '</h3>';
      $output .= '<p>' . t('Simple Case Management') . '</p>';
      return $output;

    default:
  }
}

/**
 * Implements hook_theme().
 */
function opencase_theme() {
  return [
    'opencase' => [
      'render element' => 'children',
    ],
  ];
}

/**
 * Implements hook_form_ID_alter
 */
function opencase_form_oc_case_type_add_form_alter(&$form, $form_state) {
  $widget = new EntityTypeRelationsWidget();
  $widget->setup($form);
}


/**
 * Implements hook_form_ID_alter
 */
function opencase_form_oc_case_type_edit_form_alter(&$form, $form_state) {
  $widget = new EntityTypeRelationsWidget();
  $widget->setup($form);
  $widget->populate($form);
}

/**
 * Implements hook_uninstall().
 * Removes configs.
 */
function opencase_uninstall() {
  $configs = [
    'block.block.opencasecontextualmenu',
    'block.block.opencase',
    'system.menu.opencase',
    'views.view.activities',
    'views.view.contact_details_changes'
  ];
  foreach($configs as $config) {
    Drupal::configFactory()->getEditable($config)->delete();
  }
} 

function opencase_views_pre_render($view) {
  if (empty($view->result) && empty($view->exposed_input)) {
    $view->exposed_widgets = NULL;
  }
}


function opencase_entity_field_access($operation, \Drupal\Core\Field\FieldDefinitionInterface $field_definition, $account, $items = NULL) {
  if ($field_definition->getName() == 'field_linked_opencase_actor'
      && $operation == 'edit'
      && !$account->hasPermission('administer users')) {
    return AccessResult::forbidden();
  }
  return AccessResult::neutral();
}


/**
 * Implementation of hook_form_alter()
 * Changes what page is redirected to after deleting things
 */
function opencase_form_alter(&$form, &$form_state, $form_id) {
  if (preg_match('/oc_actor_.*_delete_form/', $form_id) or (preg_match('/oc_case_.*_delete_form/', $form_id))) {
    $form['actions']['submit']['#submit'][] = '_opencase_delete_case_redirect';
    $form['actions']['cancel']['#url'] = $form_state->getFormObject()->getEntity()->toUrl();
  }
  if (preg_match('/oc_activity_.*_delete_form/', $form_id)) {
    $form['actions']['submit']['#submit'][] = '_opencase_delete_activity_redirect';
    $form['actions']['cancel']['#url'] = $form_state->getFormObject()->getEntity()->toUrl();
  }
}

function _opencase_delete_case_redirect($form, &$form_state) {
  $form_state->setRedirect('<front>'); 
}
function _opencase_delete_activity_redirect($form, &$form_state) {
  $case_id = $form_state->getFormObject()->getEntity()->oc_case->target_id;
  $form_state->setRedirect('view.activities.page_1', ['case_id' => $case_id]); // redirect to the activity list
}