<?php

/**
 * @file
 * Install, update and uninstall functions for the node module.
 */

use Drupal\Core\Database\Database;
use Drupal\user\RoleInterface;

/**
 * Implements hook_schema().
 */
function node_schema(): array {
  $schema['node_access'] = [
    'description' => 'Identifies which realm/grant pairs a user must possess in order to view, update, or delete specific nodes.',
    'fields' => [
      'nid' => [
        'description' => 'The {node}.nid this record affects.',
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ],
      'langcode' => [
        'description' => 'The {language}.langcode of this node.',
        'type' => 'varchar_ascii',
        'length' => 12,
        'not null' => TRUE,
        'default' => '',
      ],
      'fallback' => [
        'description' => 'Boolean indicating whether this record should be used as a fallback if a language condition is not provided.',
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 1,
        'size' => 'tiny',
      ],
      'gid' => [
        'description' => "The grant ID a user must possess in the specified realm to gain this row's privileges on the node.",
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ],
      'realm' => [
        'description' => 'The realm in which the user must possess the grant ID. Modules can define one or more realms by implementing hook_node_grants().',
        'type' => 'varchar_ascii',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
      ],
      'grant_view' => [
        'description' => 'Boolean indicating whether a user with the realm/grant pair can view this node.',
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
        'size' => 'tiny',
      ],
      'grant_update' => [
        'description' => 'Boolean indicating whether a user with the realm/grant pair can edit this node.',
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
        'size' => 'tiny',
      ],
      'grant_delete' => [
        'description' => 'Boolean indicating whether a user with the realm/grant pair can delete this node.',
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
        'size' => 'tiny',
      ],
    ],
    'primary key' => ['nid', 'gid', 'realm', 'langcode'],
    'foreign keys' => [
      'affected_node' => [
        'table' => 'node',
        'columns' => ['nid' => 'nid'],
      ],
    ],
  ];

  return $schema;
}

/**
 * Implements hook_install().
 */
function node_install(): void {
  // Enable default permissions for system roles.
  // IMPORTANT: Modules SHOULD NOT automatically grant any user role access
  // permissions in hook_install().
  // However, the 'access content' permission is a very special case, since
  // there is hardly a point in installing the Node module without granting
  // these permissions. Doing so also allows tests to continue to operate as
  // expected without first having to manually grant these default permissions.
  if (\Drupal::moduleHandler()->moduleExists('user')) {
    user_role_grant_permissions(RoleInterface::ANONYMOUS_ID, ['access content']);
    user_role_grant_permissions(RoleInterface::AUTHENTICATED_ID, ['access content']);
  }

  // Populate the node access table.
  Database::getConnection()->insert('node_access')
    ->fields([
      'nid' => 0,
      'gid' => 0,
      'realm' => 'all',
      'grant_view' => 1,
      'grant_update' => 0,
      'grant_delete' => 0,
    ])
    ->execute();
}

/**
 * Implements hook_uninstall().
 */
function node_uninstall(): void {
  // Delete remaining general module variables.
  \Drupal::state()->delete('node.node_access_needs_rebuild');
}

/**
 * Implements hook_update_last_removed().
 */
function node_update_last_removed(): int {
  return 8700;
}
