localgov_services-2.1.19/modules/localgov_services_sublanding/localgov_services_sublanding.module

<?php

/**
 * @file
 * LocalGovDrupal service sub-landing page module file.
 */

use Drupal\localgov_roles\RolesHelper;

/**
 * Implements hook_theme().
 */
function localgov_services_sublanding_theme($existing, $type, $theme, $path) {
  return [
    'dummy_teaser' => [
      'render element' => 'element',
      'variables' => [
        'title' => '',
        'url' => '',
      ],
    ],
    'field__paragraph__topic_list_links__topic_list_builder' => [
      'template' => 'field--paragraph--topic-list-links--topic-list-builder',
      'base hook' => 'field',
    ],
    'paragraph__topic_list_builder' => [
      'template' => 'paragraph--topic-list-builder',
      'base hook' => 'paragraph',
    ],
  ];
}

/**
 * Implements hook_localgov_roles_default().
 */
function localgov_services_sublanding_localgov_roles_default(): array {

  // Content editing permissions.
  $perms = [
    RolesHelper::EDITOR_ROLE => [
      'create localgov_services_sublanding content',
      'delete any localgov_services_sublanding content',
      'delete localgov_services_sublanding revisions',
      'delete own localgov_services_sublanding content',
      'edit any localgov_services_sublanding content',
      'edit own localgov_services_sublanding content',
      'revert localgov_services_sublanding revisions',
      'view localgov_services_sublanding revisions',
    ],
    RolesHelper::AUTHOR_ROLE => [
      'create localgov_services_sublanding content',
      'delete own localgov_services_sublanding content',
      'edit own localgov_services_sublanding content',
      'revert localgov_services_sublanding revisions',
      'view localgov_services_sublanding revisions',
    ],
    RolesHelper::CONTRIBUTOR_ROLE => [
      'create localgov_services_sublanding content',
      'delete own localgov_services_sublanding content',
      'edit own localgov_services_sublanding content',
      'view localgov_services_sublanding revisions',
    ],
  ];

  // Content scheduling permissions required by localgov_workflows.
  if (\Drupal::moduleHandler()->moduleExists('localgov_workflows')) {
    $perms[RolesHelper::EDITOR_ROLE] = array_merge($perms[RolesHelper::EDITOR_ROLE], [
      'add scheduled transitions node localgov_services_sublanding',
      'reschedule scheduled transitions node localgov_services_sublanding',
      'view scheduled transitions node localgov_services_sublanding',
    ]);
    $perms[RolesHelper::AUTHOR_ROLE] = array_merge($perms[RolesHelper::AUTHOR_ROLE], [
      'add scheduled transitions node localgov_services_sublanding',
      'reschedule scheduled transitions node localgov_services_sublanding',
      'view scheduled transitions node localgov_services_sublanding',
    ]);
    $perms[RolesHelper::CONTRIBUTOR_ROLE] = array_merge($perms[RolesHelper::CONTRIBUTOR_ROLE], [
      'add scheduled transitions node localgov_services_sublanding',
      'reschedule scheduled transitions node localgov_services_sublanding',
      'view scheduled transitions node localgov_services_sublanding',
    ]);
  }

  return $perms;
}

/**
 * Counts how many nodes are attached to a taxonomy term.
 *
 * @param int $tid
 *   Taxonomy term ID.
 *
 * @return int
 *   Number of nodes attached to a taxonomy term.
 */
function localgov_services_sublanding_count_nodes_with_taxonomy($tid) {
  $query = \Drupal::database()->select('taxonomy_index', 'ti');
  $query->fields('ti', ['nid']);
  $query->condition('ti.tid', $tid);
  $nodes = $query->execute()->fetchAll();
  return count($nodes);
}

/**
 * Implements hook_preprocess_HOOK().
 */
function localgov_services_sublanding_preprocess_paragraph__topic_list_builder(&$variables) {
  /** @var \Drupal\paragraphs\Entity\Paragraph $paragraph */
  $paragraph = $variables['paragraph'];

  // We only show the 'More' button if there are more items to show. To
  // calculate this. We count how many items we're showing in this paragraph,
  // then count how many nodes the term has to show. If there are more items
  // in the paragraph then items we're showing, we display the 'More' button.
  if (!$paragraph->get('topic_list_term')->isEmpty()) {
    $topic_tid = $paragraph->get('topic_list_term')->first()->getValue()['target_id'];
    $nodes_in_term = localgov_services_sublanding_count_nodes_with_taxonomy($topic_tid);

    // Count how many nodes this paragraph has.
    $nodes_in_paragraph = $paragraph->get('topic_list_links')->count();
    $variables['show_more'] = ($nodes_in_term > $nodes_in_paragraph);
    $variables['show_more_path'] = \Drupal::service('path_alias.manager')->getAliasByPath('/taxonomy/term/' . $topic_tid);
  }

  // The header text is set by default to the topic entity label but can be
  // overwritten by the topic_list_header field.
  if (!$paragraph->get('topic_list_header')->isEmpty()) {
    $variables['header'] = $paragraph->get('topic_list_header')->first()->getValue()['value'];
  }
  elseif (!$paragraph->get('topic_list_term')->isEmpty()) {
    $topic = $paragraph->get('topic_list_term')->entity;
    $variables['header'] = $topic?->label();
  }
}