<?php
// $Id: similarterms.install,v 1.4 2009/01/26 23:36:26 rmiddle Exp $

/**
 * @file
 * Similar By Terms install file
 */

/**
 * Implementation of hook_install().
 */
function similarterms_install() {
  $result = drupal_install_schema('similarterms');

  if (count($result) > 0) {
    drupal_set_message(t('similarterms module installed.'));
  }
  else {
    drupal_set_message(t('similarterms table creation failed. Please "uninstall" the module and retry.'));
  }
}

/**
 * Implementation of hook_schema().
 */
function similarterms_schema() {
  $schema['cache_similarterms'] = array(
    'module' => 'similarterms',
    'description' => t('Cache table for the Similar by Terms Module.'),
    'fields' => array(
      'cid' => array(
        'description' => t('Primary Key: Unique cache ID.'),
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => ''),
      'data' => array(
        'description' => t('A collection of data to cache.'),
        'type' => 'blob',
        'not null' => FALSE,
        'size' => 'big'),
      'expire' => array(
        'description' => t('A Unix timestamp indicating when the cache entry should expire, or 0 for never.'),
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0),
      'created' => array(
        'description' => t('A Unix timestamp indicating when the cache entry was created.'),
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0),
      'headers' => array(
        'description' => t('Any custom HTTP headers to be added to cached data.'),
        'type' => 'text',
        'not null' => FALSE),
      'serialized' => array(
        'description' => t('A flag to indicate whether content is serialized (1) or not (0).'),
        'type' => 'int',
        'size' => 'small',
        'not null' => TRUE,
        'default' => 0)
    ),
    'indexes' => array('expire' => array('expire')),
    'primary key' => array('cid'),
  );
  $schema['similarterms_override'] = array(
    'module' => 'similarterms',
    'description' => 'Override information for the similarterms blocks implemented as node type.',
    'fields' => array(
      'nid' => array(
        'description' => 'Node identifier',
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ),
      'vid' => array(
        'description' => 'Version identifier',
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ),
      'path' => array(
        'description' => 'Node Id to point to of overide',
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
        'size' => 'tiny',
      ),
      'weight' => array(
        'description' => 'Node weight',
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
        'size' => 'tiny',
      ),
    ),
    'indexes' => array(
      'nid' => array('nid'),
      'vid' => array('vid'),
    ),
  );
  return $schema;
}

/**
 * Implementation of hook_uninstall().
 */
function similarterms_uninstall() {
  // Get the variables that have a tid at the end.
  // @@@ I'm not crazy about this, but it works.
  $result = db_query("SELECT v.name FROM {variable} v WHERE v.name LIKE ('simterms_%') OR v.name LIKE ('similarterms_%')");
  while ($name = db_result($result)) {
    variable_del($name);
  }
  drupal_uninstall_schema('similarterms');
  drupal_set_message(t('similarterms module uninstalled.'));
}

/**
 * Implementation of hook_update().
 */
function similarterms_update_6102() {
  $schema['cache_similarterms'] = array(
    'module' => 'similarterms',
    'description' => t('Cache table for the Similar by Terms Module.'),
    'fields' => array(
      'cid' => array(
        'description' => t('Primary Key: Unique cache ID.'),
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => ''),
      'data' => array(
        'description' => t('A collection of data to cache.'),
        'type' => 'blob',
        'not null' => FALSE,
        'size' => 'big'),
      'expire' => array(
        'description' => t('A Unix timestamp indicating when the cache entry should expire, or 0 for never.'),
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0),
      'created' => array(
        'description' => t('A Unix timestamp indicating when the cache entry was created.'),
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0),
      'headers' => array(
        'description' => t('Any custom HTTP headers to be added to cached data.'),
        'type' => 'text',
        'not null' => FALSE),
      'serialized' => array(
        'description' => t('A flag to indicate whether content is serialized (1) or not (0).'),
        'type' => 'int',
        'size' => 'small',
        'not null' => TRUE,
        'default' => 0)
    ),
    'indexes' => array('expire' => array('expire')),
    'primary key' => array('cid'),
  );
  $schema['similarterms_override'] = array(
    'module' => 'similarterms',
    'description' => 'Override information for the similarterms blocks implemented as node type.',
    'fields' => array(
      'nid' => array(
        'description' => 'Node identifier',
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ),
      'vid' => array(
        'description' => 'Version identifier',
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ),
      'path' => array(
        'description' => 'Node Id to point to of overide',
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
        'size' => 'tiny',
      ),
      'weight' => array(
        'description' => 'Node weight',
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
        'size' => 'tiny',
      ),
    ),
    'indexes' => array(
      'nid' => array('nid'),
      'vid' => array('vid'),
    ),
  );
  $ret = array();
  db_create_table($ret, 'cache_similarterms', $schema['cache_similarterms']);
  db_create_table($ret, 'similarterms_override', $schema['similarterms_override']);
  return $ret;
}

/**
 * Implementation of hook_update().
 */
function similarterms_update_6101() {
  cache_clear_all('*', 'cache_block', TRUE);
  return;
}