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opencase/modules/opencase_no_cases/opencase_no_cases.module

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<?php
/**
* @file
* Contains opencase_no_cases.module.
*/
use Drupal\Core\Routing\RouteMatchInterface;
use Drupal\Core\Field\BaseFieldDefinition;
/**
* Implements hook_help().
*/
function opencase_no_cases_help($route_name, RouteMatchInterface $route_match) {
switch ($route_name) {
// Main module help for the opencase_no_cases module.
case 'help.page.opencase_no_cases':
$output = '';
$output .= '<h3>' . t('About') . '</h3>';
$output .= '<p>' . t('Enable EITHER this OR &quot;OpenCase Cases&quot;. This one links activities directly to people, which is simpler and therefore what some orgs prefer.') . '</p>';
return $output;
default:
}
}
function opencase_no_cases_entity_base_field_info($entity_type) {
if ($entity_type->id() === 'oc_activity') {
$fields = array();
$fields['actors_involved'] = BaseFieldDefinition::create('entity_reference')
->setLabel(t('Participants'))
->setDescription(t('People involved in this activity. To add one, start typing their name.'))
->setSetting('target_type', 'oc_actor')
->setSetting('handler', 'default')
->setTranslatable(TRUE)
->setCardinality(-1)
->setDisplayOptions('form', [
'label' => 'above',
'type' => 'entity_reference_autocomplete',
'weight' => -2,
'settings' => [
'match_operator' => 'CONTAINS',
'size' => '60',
'autocomplete_type' => 'tags',
'placeholder' => '',
],
])
->setDisplayOptions('view', [
'label' => 'above',
])
->setDefaultValueCallback('opencase_no_cases_actors_involved_callback')
->setRequired(TRUE);
}
return $fields;
}
/**
* When creating an activity, it sets the first involved party to the actor
* id from the URL, and the second to the author's linked actor
* (if it exists and is different)
*/
function opencase_no_cases_actors_involved_callback() {
$author_linked_actor_id = \Drupal\user\Entity\User::load(\Drupal::currentUser()->id())->get('field_linked_opencase_actor')->target_id;
$currently_viewed_actor_id = \Drupal::request()->query->get('actor_id');
return array_unique([$currently_viewed_actor_id, $author_linked_actor_id]);
}