diff -r 07239de796bb -r e756a8c72c3d cms/drupal/modules/book/book.install
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cms/drupal/modules/book/book.install	Fri Sep 08 12:04:06 2017 +0200
@@ -0,0 +1,95 @@
+<?php
+
+/**
+ * @file
+ * Install, update and uninstall functions for the book module.
+ */
+
+/**
+ * Implements hook_install().
+ */
+function book_install() {
+  // Add the node type.
+  _book_install_type_create();
+}
+
+/**
+ * Implements hook_uninstall().
+ */
+function book_uninstall() {
+  variable_del('book_allowed_types');
+  variable_del('book_child_type');
+  variable_del('book_block_mode');
+
+  // Delete menu links.
+  db_delete('menu_links')
+    ->condition('module', 'book')
+    ->execute();
+  menu_cache_clear_all();
+}
+
+/**
+ * Creates the book content type.
+ */
+function _book_install_type_create() {
+  // Create an additional node type.
+  $book_node_type = array(
+    'type' => 'book',
+    'name' => t('Book page'),
+    'base' => 'node_content',
+    'description' => t('<em>Books</em> have a built-in hierarchical navigation. Use for handbooks or tutorials.'),
+    'custom' => 1,
+    'modified' => 1,
+    'locked' => 0,
+  );
+
+  $book_node_type = node_type_set_defaults($book_node_type);
+  node_type_save($book_node_type);
+  node_add_body_field($book_node_type);
+  // Default to not promoted.
+  variable_set('node_options_book', array('status'));
+  // Use this default type for adding content to books.
+  variable_set('book_allowed_types', array('book'));
+  variable_set('book_child_type', 'book');
+}
+
+/**
+ * Implements hook_schema().
+ */
+function book_schema() {
+  $schema['book'] = array(
+  'description' => 'Stores book outline information. Uniquely connects each node in the outline to a link in {menu_links}',
+    'fields' => array(
+      'mlid' => array(
+        'type' => 'int',
+        'unsigned' => TRUE,
+        'not null' => TRUE,
+        'default' => 0,
+        'description' => "The book page's {menu_links}.mlid.",
+      ),
+      'nid' => array(
+        'type' => 'int',
+        'unsigned' => TRUE,
+        'not null' => TRUE,
+        'default' => 0,
+        'description' => "The book page's {node}.nid.",
+      ),
+      'bid' => array(
+        'type' => 'int',
+        'unsigned' => TRUE,
+        'not null' => TRUE,
+        'default' => 0,
+        'description' => "The book ID is the {book}.nid of the top-level page.",
+      ),
+    ),
+    'primary key' => array('mlid'),
+    'unique keys' => array(
+      'nid' => array('nid'),
+    ),
+    'indexes' => array(
+      'bid' => array('bid'),
+    ),
+  );
+
+  return $schema;
+}