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Path: /data/applications/aps.bak/drupal/6.9-5/standard/htdocs/modules/forum/ [ Home ]
File: forum.install
<?php
// $Id: forum.install,v 1.16.2.2 2009/01/06 15:46:37 goba Exp $

/**
 * 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_0');
  variable_del('forum_block_num_1');
}

/**
 * Implementation of hook_schema().
 */
function forum_schema() {
  $schema['forum'] = array(
    'description' => 'Stores the relationship of nodes to forum terms.',
    'fields' => array(
      'nid' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
        'description' => 'The {node}.nid of the node.',
      ),
      'vid' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
        'description' => 'Primary Key: The {node}.vid of the node.',
      ),
      'tid' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
        'description' => '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;
}