drupal/modules/forum/forum.install

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<?php
// $Id$
/**
* Implementation of hook_install().
*/
function forum_install() {
// Create tables.
drupal_install_schema('forum');
// Set the weight of the forum.module to 1 so it is loaded after the taxonomy.module.
db_query("UPDATE {system} SET weight = 1 WHERE name = 'forum'");
}
function forum_enable() {
if ($vocabulary = taxonomy_vocabulary_load(variable_get('forum_nav_vocabulary', 0))) {
// Existing install. Add back forum node type, if the forums
// vocabulary still exists. Keep all other node types intact there.
$vocabulary = (array) $vocabulary;
$vocabulary['nodes']['forum'] = 1;
taxonomy_save_vocabulary($vocabulary);
}
else {
// Create the forum vocabulary if it does not exist. Assign the vocabulary
// a low weight so it will appear first in forum topic create and edit
// forms.
$vocabulary = array(
'name' => t('Forums'),
'multiple' => 0,
'required' => 0,
'hierarchy' => 1,
'relations' => 0,
'module' => 'forum',
'weight' => -10,
'nodes' => array('forum' => 1),
);
taxonomy_save_vocabulary($vocabulary);
variable_set('forum_nav_vocabulary', $vocabulary['vid']);
}
}
/**
* Implementation of hook_uninstall().
*/
function forum_uninstall() {
// Load the dependent Taxonomy module, in case it has been disabled.
drupal_load('module', 'taxonomy');
// Delete the vocabulary.
$vid = variable_get('forum_nav_vocabulary', '');
taxonomy_del_vocabulary($vid);
db_query('DROP TABLE {forum}');
variable_del('forum_containers');
variable_del('forum_nav_vocabulary');
variable_del('forum_hot_topic');
variable_del('forum_per_page');
variable_del('forum_order');
variable_del('forum_block_num_active');
variable_del('forum_block_num_new');
}
/**
* Implementation of hook_schema().
*/
function forum_schema() {
$schema['forum'] = array(
'description' => t('Stores the relationship of nodes to forum terms.'),
'fields' => array(
'nid' => array(
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
'description' => t('The {node}.nid of the node.'),
),
'vid' => array(
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
'description' => t('Primary Key: The {node}.vid of the node.'),
),
'tid' => array(
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
'description' => t('The {term_data}.tid of the forum term assigned to the node.'),
),
),
'indexes' => array(
'nid' => array('nid'),
'tid' => array('tid'),
),
'primary key' => array('vid'),
);
return $schema;
}
/**
* Create the forum vocabulary if does not exist. Assign the
* vocabulary a low weight so it will appear first in forum topic
* create and edit forms. Do not just call forum_enable() because in
* future versions it might do something different.
*/
function forum_update_6000() {
$ret = array();
$vid = variable_get('forum_nav_vocabulary', 0);
$vocabularies = taxonomy_get_vocabularies();
if (!isset($vocabularies[$vid])) {
$vocabulary = array(
'name' => t('Forums'),
'multiple' => 0,
'required' => 0,
'hierarchy' => 1,
'relations' => 0,
'module' => 'forum',
'weight' => -10,
'nodes' => array('forum' => 1),
);
taxonomy_save_vocabulary($vocabulary);
variable_set('forum_nav_vocabulary', $vocabulary['vid']);
}
return $ret;
}