webmaster@1: <?php
webmaster@1: // $Id: forum.install,v 1.16 2007/12/31 16:58:34 goba Exp $
webmaster@1: 
webmaster@1: /**
webmaster@1:  * Implementation of hook_install().
webmaster@1:  */
webmaster@1: function forum_install() {
webmaster@1:   // Create tables.
webmaster@1:   drupal_install_schema('forum');
webmaster@1:   // Set the weight of the forum.module to 1 so it is loaded after the taxonomy.module.
webmaster@1:   db_query("UPDATE {system} SET weight = 1 WHERE name = 'forum'");
webmaster@1: }
webmaster@1: 
webmaster@1: function forum_enable() {
webmaster@1:   if ($vocabulary = taxonomy_vocabulary_load(variable_get('forum_nav_vocabulary', 0))) {
webmaster@1:     // Existing install. Add back forum node type, if the forums
webmaster@1:     // vocabulary still exists. Keep all other node types intact there.
webmaster@1:     $vocabulary = (array) $vocabulary;
webmaster@1:     $vocabulary['nodes']['forum'] = 1;
webmaster@1:     taxonomy_save_vocabulary($vocabulary);
webmaster@1:   }
webmaster@1:   else {
webmaster@1:     // Create the forum vocabulary if it does not exist. Assign the vocabulary
webmaster@1:     // a low weight so it will appear first in forum topic create and edit
webmaster@1:     // forms.
webmaster@1:     $vocabulary = array(
webmaster@1:       'name' => t('Forums'),
webmaster@1:       'multiple' => 0,
webmaster@1:       'required' => 0,
webmaster@1:       'hierarchy' => 1,
webmaster@1:       'relations' => 0,
webmaster@1:       'module' => 'forum',
webmaster@1:       'weight' => -10,
webmaster@1:       'nodes' => array('forum' => 1),
webmaster@1:     );
webmaster@1:     taxonomy_save_vocabulary($vocabulary);
webmaster@1: 
webmaster@1:     variable_set('forum_nav_vocabulary', $vocabulary['vid']);
webmaster@1:   }
webmaster@1: }
webmaster@1: 
webmaster@1: /**
webmaster@1:  * Implementation of hook_uninstall().
webmaster@1:  */
webmaster@1: function forum_uninstall() {
webmaster@1:   // Load the dependent Taxonomy module, in case it has been disabled.
webmaster@1:   drupal_load('module', 'taxonomy');
webmaster@1: 
webmaster@1:   // Delete the vocabulary.
webmaster@1:   $vid = variable_get('forum_nav_vocabulary', '');
webmaster@1:   taxonomy_del_vocabulary($vid);
webmaster@1: 
webmaster@1:   db_query("DELETE FROM {node} WHERE type = 'forum'");
webmaster@1:   db_query('DROP TABLE {forum}');
webmaster@1:   variable_del('forum_containers');
webmaster@1:   variable_del('forum_nav_vocabulary');
webmaster@1:   variable_del('forum_hot_topic');
webmaster@1:   variable_del('forum_per_page');
webmaster@1:   variable_del('forum_order');
webmaster@1:   variable_del('forum_block_num_0');
webmaster@1:   variable_del('forum_block_num_1');
webmaster@1: }
webmaster@1: 
webmaster@1: /**
webmaster@1:  * Implementation of hook_schema().
webmaster@1:  */
webmaster@1: function forum_schema() {
webmaster@1:   $schema['forum'] = array(
webmaster@1:     'description' => t('Stores the relationship of nodes to forum terms.'),
webmaster@1:     'fields' => array(
webmaster@1:       'nid' => array(
webmaster@1:         'type' => 'int',
webmaster@1:         'unsigned' => TRUE,
webmaster@1:         'not null' => TRUE,
webmaster@1:         'default' => 0,
webmaster@1:         'description' => t('The {node}.nid of the node.'),
webmaster@1:       ),
webmaster@1:       'vid' => array(
webmaster@1:         'type' => 'int',
webmaster@1:         'unsigned' => TRUE,
webmaster@1:         'not null' => TRUE,
webmaster@1:         'default' => 0,
webmaster@1:         'description' => t('Primary Key: The {node}.vid of the node.'),
webmaster@1:       ),
webmaster@1:       'tid' => array(
webmaster@1:         'type' => 'int',
webmaster@1:         'unsigned' => TRUE,
webmaster@1:         'not null' => TRUE,
webmaster@1:         'default' => 0,
webmaster@1:         'description' => t('The {term_data}.tid of the forum term assigned to the node.'),
webmaster@1:       ),
webmaster@1:     ),
webmaster@1:     'indexes' => array(
webmaster@1:       'nid' => array('nid'),
webmaster@1:       'tid' => array('tid')
webmaster@1:     ),
webmaster@1:     'primary key' => array('vid'),
webmaster@1:   );
webmaster@1: 
webmaster@1:   return $schema;
webmaster@1: }
webmaster@1: 
webmaster@1: /**
webmaster@1:  * Create the forum vocabulary if does not exist. Assign the
webmaster@1:  * vocabulary a low weight so it will appear first in forum topic
webmaster@1:  * create and edit forms.  Do not just call forum_enable() because in
webmaster@1:  * future versions it might do something different.
webmaster@1:  */
webmaster@1: function forum_update_6000() {
webmaster@1:   $ret = array();
webmaster@1: 
webmaster@1:   $vid = variable_get('forum_nav_vocabulary', 0);
webmaster@1:   $vocabularies = taxonomy_get_vocabularies();
webmaster@1:   if (!isset($vocabularies[$vid])) {
webmaster@1:     $vocabulary = array(
webmaster@1:       'name' => t('Forums'),
webmaster@1:       'multiple' => 0,
webmaster@1:       'required' => 0,
webmaster@1:       'hierarchy' => 1,
webmaster@1:       'relations' => 0,
webmaster@1:       'module' => 'forum',
webmaster@1:       'weight' => -10,
webmaster@1:       'nodes' => array('forum' => 1),
webmaster@1:     );
webmaster@1:     taxonomy_save_vocabulary($vocabulary);
webmaster@1: 
webmaster@1:     variable_set('forum_nav_vocabulary', $vocabulary['vid']);
webmaster@1:   }
webmaster@1: 
webmaster@1:   return $ret;
webmaster@1: }