uuid.module in Universally Unique IDentifier 7
Same filename and directory in other branches
Main module functions for the uuid module.
File
uuid.moduleView source
<?php
/**
* @file
* Main module functions for the uuid module.
*/
/**
* Include main API functions.
*/
module_load_include('inc', 'uuid', 'uuid');
/**
* Include the Entity API implementation of the UUID API.
*/
module_load_include('inc', 'uuid', 'uuid.entity');
/**
* Include implementations for all core modules.
*
* Instead of having separate modules for all core implementations this file
* implements all of them in their own name space. In some cases this adds some
* unecessary code weight, but instead it saves us from module mania.
*/
module_load_include('inc', 'uuid', 'uuid.core');
/**
* Implements hook_menu().
*/
function uuid_menu() {
$items = array();
$items['uuid'] = array(
'title' => 'UUID redirector',
'description' => 'Redirects requests for UUID URIs to the referenced entity.',
'page callback' => 'uuid_redirector',
// The access check is handled in the page callback.
'access callback' => TRUE,
'type' => MENU_CALLBACK,
);
$items['admin/config/system/uuid'] = array(
'title' => 'Universally unique identifiers',
'description' => 'Configure universally unique identifiers.',
'page callback' => 'drupal_get_form',
'page arguments' => array(
'uuid_admin_form',
),
'access arguments' => array(
'administer uuid',
),
'file' => 'uuid.admin.inc',
);
// Conditional support for Devel. A good thing for developers.
if (module_exists('devel')) {
$entity_types = array(
'user' => array(
'path' => 'user/%user/devel/load-by-uuid',
'arg' => 1,
),
'node' => array(
'path' => 'node/%node/devel/load-by-uuid',
'arg' => 1,
),
'comment' => array(
'path' => 'comment/%comment/devel/load-by-uuid',
'arg' => 1,
),
'taxonomy_term' => array(
'path' => 'taxonomy/term/%taxonomy_term/devel/load-by-uuid',
'arg' => 2,
),
);
foreach ($entity_types as $entity_type => $info) {
$items[$info['path']] = array(
'title' => 'Load by UUID',
'page callback' => 'uuid_devel_load_by_uuid',
'page arguments' => array(
$entity_type,
$info['arg'],
),
'access arguments' => array(
'access devel information',
),
'type' => MENU_LOCAL_TASK,
'file' => 'uuid.admin.inc',
'weight' => 100,
);
}
}
return $items;
}
/**
* Implements hook_ctools_plugin_directory().
*/
function uuid_ctools_plugin_directory($module, $plugin) {
if ($module == 'ctools') {
return 'plugins/' . $plugin;
}
}
/**
* Implements hook_permission().
*/
function uuid_permission() {
return array(
'administer uuid' => array(
'title' => t('Administer UUID'),
'description' => t('Allows configuration of the UUID module and APIs.'),
),
);
}
/**
* Implements hook_hook_info().
*/
function uuid_hook_info() {
$hook_names = array(
'uuid_info',
'uuid_sync',
'entity_uuid_load',
'field_uuid_load',
'entity_uuid_presave',
'entity_uuid_save',
'entity_uuid_delete',
'field_uuid_presave',
'uuid_menu_path_to_uri_alter',
'uuid_menu_uri_to_path_alter',
'uuid_default_entities',
'uuid_entities_pre_rebuild',
'uuid_entities_pre_revert',
'uuid_entities_post_rebuild',
'uuid_entities_post_revert',
'uuid_entities_features_export_entity_alter',
'uuid_entities_features_export_field_alter',
'uuid_uri_data',
'uuid_id_uri_data',
'uuid_uri_data',
'uuid_id_uri_data',
);
return array_fill_keys($hook_names, array(
'group' => 'uuid',
));
}
/**
* Implements hook_views_api().
*/
function uuid_views_api() {
return array(
'api' => 2,
'path' => drupal_get_path('module', 'uuid'),
);
}
/**
* Implements hook_module_implements_alter().
*
* Moves hook_entity_info_alter() implementation to the bottom so it is
* invoked after all modules relying on the entity API.
*
* @see uuid_entity_info_alter()
*/
function uuid_module_implements_alter(&$implementss, $hook) {
if ($hook == 'entity_info_alter') {
// Move our hook Implements to the bottom.
$group = $implementss['uuid'];
unset($implementss['uuid']);
$implementss['uuid'] = $group;
}
}
/**
* Implements hook_uuid_sync().
*/
function uuid_uuid_sync() {
foreach (entity_get_info() as $info) {
if (isset($info['uuid']) && $info['uuid'] == TRUE && !empty($info['entity keys']['uuid'])) {
_uuid_sync_table($info['base table'], $info['entity keys']['id'], $info['entity keys']['uuid']);
if (!empty($info['entity keys']['revision uuid'])) {
_uuid_sync_table($info['revision table'], $info['entity keys']['revision'], $info['entity keys']['revision uuid']);
}
}
}
}
/**
* Helper function that executes the update on the actual table.
*/
function _uuid_sync_table($table, $id_field, $uuid_field) {
// Fetch empty records.
$result = db_select($table, 't')
->fields('t', array(
$id_field,
))
->condition(db_or()
->condition($uuid_field, '')
->isNull($uuid_field))
->execute();
// Update empty records.
foreach ($result as $record) {
db_update($table)
->fields(array(
$uuid_field => uuid_generate(),
))
->condition($id_field, $record->{$id_field})
->execute();
}
}
/**
* Implements hook_features_api().
*
* The Features support consists of exporting entities from a Deploy
* <em>fetch-only</em> plan. Deploy is only required to generate the feature
* it self.
*
* The reason why we depend on Deploy for the generation of the content is
* because Deploy has the kind of dependency detection framework we need, to
* identify all dependencies for all entities.
*/
function uuid_features_api() {
return array(
'uuid_entities' => array(
'name' => t('UUID entities'),
'default_hook' => 'uuid_default_entities',
'default_file' => FEATURES_DEFAULTS_INCLUDED,
'feature_source' => TRUE,
'file' => drupal_get_path('module', 'uuid') . '/uuid.features.inc',
),
);
}
/**
* Redirects all UUID URI requests to the appropriate entity page.
*/
function uuid_redirector() {
$entity_data = uuid_uri_array_to_data(arg());
$entity_info = entity_get_info($entity_data['entity_type']);
if (empty($entity_info['uuid'])) {
return MENU_NOT_FOUND;
}
$entities = entity_uuid_load($entity_data['entity_type'], array(
$entity_data['uuid'],
));
if (!count($entities)) {
return MENU_NOT_FOUND;
}
$uri = entity_uri($entity_data['entity_type'], current($entities));
if (!drupal_valid_path($uri['path'])) {
return MENU_ACCESS_DENIED;
}
drupal_goto($uri['path'], $uri['options'], 301);
}
Functions
Name | Description |
---|---|
uuid_ctools_plugin_directory | Implements hook_ctools_plugin_directory(). |
uuid_features_api | Implements hook_features_api(). |
uuid_hook_info | Implements hook_hook_info(). |
uuid_menu | Implements hook_menu(). |
uuid_module_implements_alter | Implements hook_module_implements_alter(). |
uuid_permission | Implements hook_permission(). |
uuid_redirector | Redirects all UUID URI requests to the appropriate entity page. |
uuid_uuid_sync | Implements hook_uuid_sync(). |
uuid_views_api | Implements hook_views_api(). |
_uuid_sync_table | Helper function that executes the update on the actual table. |