Chris@0: <?php
Chris@0: 
Chris@0: /**
Chris@0:  * @file
Chris@0:  * Install, update and uninstall functions for the book module.
Chris@0:  */
Chris@0: 
Chris@0: /**
Chris@0:  * Implements hook_uninstall().
Chris@0:  */
Chris@0: function book_uninstall() {
Chris@0:   // Clear book data out of the cache.
Chris@0:   \Drupal::cache('data')->deleteAll();
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Implements hook_schema().
Chris@0:  */
Chris@0: function book_schema() {
Chris@0:   $schema['book'] = [
Chris@0:   'description' => 'Stores book outline information. Uniquely defines the location of each node in the book outline',
Chris@0:     'fields' => [
Chris@0:       'nid' => [
Chris@0:         'type' => 'int',
Chris@0:         'unsigned' => TRUE,
Chris@0:         'not null' => TRUE,
Chris@0:         'default' => 0,
Chris@0:         'description' => "The book page's {node}.nid.",
Chris@0:       ],
Chris@0:       'bid' => [
Chris@0:         'type' => 'int',
Chris@0:         'unsigned' => TRUE,
Chris@0:         'not null' => TRUE,
Chris@0:         'default' => 0,
Chris@0:         'description' => "The book ID is the {book}.nid of the top-level page.",
Chris@0:       ],
Chris@0:       'pid' => [
Chris@0:         'description' => 'The parent ID (pid) is the id of the node above in the hierarchy, or zero if the node is at the top level in its outline.',
Chris@0:         'type' => 'int',
Chris@0:         'unsigned' => TRUE,
Chris@0:         'not null' => TRUE,
Chris@0:         'default' => 0,
Chris@0:       ],
Chris@0:       'has_children' => [
Chris@0:         'description' => 'Flag indicating whether any nodes have this node as a parent (1 = children exist, 0 = no children).',
Chris@0:         'type' => 'int',
Chris@0:         'not null' => TRUE,
Chris@0:         'default' => 0,
Chris@0:         'size' => 'small',
Chris@0:       ],
Chris@0:       'weight' => [
Chris@0:         'description' => 'Weight among book entries in the same book at the same depth.',
Chris@0:         'type' => 'int',
Chris@0:         'not null' => TRUE,
Chris@0:         'default' => 0,
Chris@0:       ],
Chris@0:       'depth' => [
Chris@0:         'description' => 'The depth relative to the top level. A link with pid == 0 will have depth == 1.',
Chris@0:         'type' => 'int',
Chris@0:         'not null' => TRUE,
Chris@0:         'default' => 0,
Chris@0:         'size' => 'small',
Chris@0:       ],
Chris@0:       'p1' => [
Chris@0:         'description' => 'The first nid in the materialized path. If N = depth, then pN must equal the nid. If depth > 1 then p(N-1) must equal the pid. All pX where X > depth must equal zero. The columns p1 .. p9 are also called the parents.',
Chris@0:         'type' => 'int',
Chris@0:         'unsigned' => TRUE,
Chris@0:         'not null' => TRUE,
Chris@0:         'default' => 0,
Chris@0:       ],
Chris@0:       'p2' => [
Chris@0:         'description' => 'The second nid in the materialized path. See p1.',
Chris@0:         'type' => 'int',
Chris@0:         'unsigned' => TRUE,
Chris@0:         'not null' => TRUE,
Chris@0:         'default' => 0,
Chris@0:       ],
Chris@0:       'p3' => [
Chris@0:         'description' => 'The third nid in the materialized path. See p1.',
Chris@0:         'type' => 'int',
Chris@0:         'unsigned' => TRUE,
Chris@0:         'not null' => TRUE,
Chris@0:         'default' => 0,
Chris@0:       ],
Chris@0:       'p4' => [
Chris@0:         'description' => 'The fourth nid in the materialized path. See p1.',
Chris@0:         'type' => 'int',
Chris@0:         'unsigned' => TRUE,
Chris@0:         'not null' => TRUE,
Chris@0:         'default' => 0,
Chris@0:       ],
Chris@0:       'p5' => [
Chris@0:         'description' => 'The fifth nid in the materialized path. See p1.',
Chris@0:         'type' => 'int',
Chris@0:         'unsigned' => TRUE,
Chris@0:         'not null' => TRUE,
Chris@0:         'default' => 0,
Chris@0:       ],
Chris@0:       'p6' => [
Chris@0:         'description' => 'The sixth nid in the materialized path. See p1.',
Chris@0:         'type' => 'int',
Chris@0:         'unsigned' => TRUE,
Chris@0:         'not null' => TRUE,
Chris@0:         'default' => 0,
Chris@0:       ],
Chris@0:       'p7' => [
Chris@0:         'description' => 'The seventh nid in the materialized path. See p1.',
Chris@0:         'type' => 'int',
Chris@0:         'unsigned' => TRUE,
Chris@0:         'not null' => TRUE,
Chris@0:         'default' => 0,
Chris@0:       ],
Chris@0:       'p8' => [
Chris@0:         'description' => 'The eighth nid in the materialized path. See p1.',
Chris@0:         'type' => 'int',
Chris@0:         'unsigned' => TRUE,
Chris@0:         'not null' => TRUE,
Chris@0:         'default' => 0,
Chris@0:       ],
Chris@0:       'p9' => [
Chris@0:         'description' => 'The ninth nid in the materialized path. See p1.',
Chris@0:         'type' => 'int',
Chris@0:         'unsigned' => TRUE,
Chris@0:         'not null' => TRUE,
Chris@0:         'default' => 0,
Chris@0:       ],
Chris@0:     ],
Chris@0:     'primary key' => ['nid'],
Chris@0:     'indexes' => [
Chris@0:       'book_parents' => ['bid', 'p1', 'p2', 'p3', 'p4', 'p5', 'p6', 'p7', 'p8', 'p9'],
Chris@0:     ],
Chris@0:   ];
Chris@0: 
Chris@0:   return $schema;
Chris@0: }