entity_activity-8.x-1.0-beta13/modules/entity_activity_mail/entity_activity_mail.module

<?php

/**
 * @file
 * Contains entity_activity_mail.module.
 */

use Drupal\Core\Routing\RouteMatchInterface;
use Drupal\Core\Entity\EntityTypeInterface;
use Drupal\Core\Field\BaseFieldDefinition;
use Drupal\entity_activity_mail\ReportServiceInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\user\UserInterface;

/**
 * Implements hook_help().
 */
function entity_activity_mail_help($route_name, RouteMatchInterface $route_match) {
  switch ($route_name) {
    // Main module help for the entity_activity module.
    case 'help.page.entity_activity_mail':
      $output = '';
      $output .= '<h3>' . t('About') . '</h3>';
      $output .= '<p>' . t('Entity Activity Mail allow users to receive a logs report by mail according a frequency.') . '</p>';
      return $output;

    default:
  }
}

/**
 * Implements hook_entity_base_field_info().
 */
function entity_activity_mail_entity_base_field_info(EntityTypeInterface $entity_type) {
  $fields = [];

  if ($entity_type->id() === 'user') {
    $fields['entity_activity_mail_frequency'] = BaseFieldDefinition::create('list_string')
      ->setLabel(t('Logs report frequency'))
      ->setDescription(t('Select the frequency at which you want receive logs report by mail. Leave empty to not receive any reports by mail.'))
      ->setRevisionable(FALSE)
      ->setTranslatable(TRUE)
      ->setRequired(FALSE)
      ->setSettings([
        'allowed_values' => [
          'immediately' => t('Immediately (for each individual log)'),
          'daily' => t('Daily'),
          'weekly' => t('Weekly'),
          'monthly' => t('Monthly'),
        ],
      ])
      ->setDefaultValue(NULL)
      ->setDisplayOptions('form', [
        'type' => 'options_select',
        'weight' => 50,
      ])
      ->setDisplayConfigurable('form', TRUE)
      ->setDisplayConfigurable('view', TRUE);

    $fields['entity_activity_mail_last'] = BaseFieldDefinition::create('created')
      ->setLabel(t('Last sending date of logs report'))
      ->setDescription(t('The last date that the logs report has been sent to the user.'))
      ->setDisplayConfigurable('view', TRUE);
  }

  if ($entity_type->id() === 'entity_activity_log') {
    $fields['sent'] = BaseFieldDefinition::create('boolean')
      ->setLabel(t('Sent'))
      ->setDescription(t('A boolean indicating whether the Log has been sent by mail'))
      ->setDefaultValue(FALSE)
      ->setDisplayConfigurable('view', TRUE);
  }

  return $fields;
}

/**
 * Implements hook_cron().
 */
function entity_activity_mail_cron() {
  /** @var \Drupal\entity_activity_mail\ReportServiceInterface $reportService */
  $reportService = \Drupal::service('entity_activity_mail.report');
  $request_time = \Drupal::time()->getCurrentTime();
  $time = $reportService->getCronTime();
  $default_timestamp = strtotime($time);
  $next_cron = \Drupal::state()->get(ReportServiceInterface::NEXT_CRON, $default_timestamp);
  if ($next_cron < $request_time) {
    $new_next_cron = strtotime('tomorrow ' . $time);
    \Drupal::state()->set(ReportServiceInterface::NEXT_CRON, $new_next_cron);
    $reportService->sendLogsReportUsers($next_cron);
  }
}

/**
 * Implements hook_theme().
 */
function entity_activity_mail_theme() {
  $themes = [];

  $themes['entity_activity_mail_report'] = [
    'variables' => [
      'logs' => [],
      'logs_content' => [],
      'user' => NULL,
      'body' => [],
      'footer' => [],
      '#report_timestamp' => '',
      '#frequency' => '',
    ],
  ];

  return $themes;
}

/**
 * Implements hook_mail().
 *
 * Prepares emails sent by the MailHandler service.
 */
function entity_activity_mail_mail($key, &$message, $params) {
  /** @var \Drupal\Core\Render\RendererInterface $renderer */
  $renderer = \Drupal::service('renderer');

  if (isset($params['headers'])) {
    $message['headers'] = array_merge($message['headers'], $params['headers']);
  }
  if (!empty($params['from'])) {
    $message['from'] = $params['from'];
  }
  $message['subject'] = $params['subject'];
  $message['body'][] = $renderer->render($params['body']);
}

/**
 * Implements hook_form_FORM_ID_alter().
 */
function entity_activity_mail_form_user_form_alter(&$form, FormStateInterface $form_state, $form_id) {
  if (isset($form['entity_activity_mail_frequency'])) {
    $entity = $form_state->getFormObject()->getEntity();
    if ($entity instanceof UserInterface && $entity->isNew()) {
      $config = \Drupal::configFactory()->get('entity_activity_mail.settings');
      $default_frequency = $config->get('user.default_frequency');
      $form['entity_activity_mail_frequency']['widget']['#default_value'] = $default_frequency;
    }
  }
}