<?php
// $Id: coder_review.install,v 1.2 2009/03/04 15:57:23 snpower Exp $

/**
 * @file
 * Installation file for the coder_review module.
 */

/**
 * Implementation of hook_install().
 */
function coder_review_install() {
  drupal_install_schema('coder_review');
}

/**
 * Implementation of hook_uninstall().
 */
function coder_review_uninstall() {
  variable_del('coder_cache');
  variable_del('coder_reviews');
  variable_del('coder_severity');
  variable_del('coder_active_modules');
  variable_del('coder_core');
  variable_del('coder_includes');
  variable_del('coder_includes_exclusions');
  variable_del('coder_modules');
  variable_del('coder_themes');

  drupal_uninstall_schema('coder_review');
}

/**
 * Implementation of hook_schema().
 */
function coder_review_schema() {
  // Use our own cache table because we can create lots of entries, that slow down and clutter the default cache.
  $schema['cache_coder'] = array(
    'description' => "Coder cache table for improving display of result sets that haven't changed",
    'fields' => array(
      'cid' => array(
        'description' => 'Primary Key: Unique cache ID.',
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => ''),
      'data' => array(
        'description' => 'A collection of data to cache.',
        'type' => 'blob',
        'not null' => FALSE,
        'size' => 'big'),
      'expire' => array(
        'description' => 'A Unix timestamp indicating when the cache entry should expire, or 0 for never.',
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0),
      'created' => array(
        'description' => 'A Unix timestamp indicating when the cache entry was created.',
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0),
      'headers' => array(
        'description' => 'Any custom HTTP headers to be added to cached data.',
        'type' => 'text',
        'not null' => FALSE),
      'serialized' => array(
        'description' => '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'),
  );
  return $schema;
}


/**
 * Clear the cache.
 */
function coder_review_update_1() {
  $ret = array();
  // This update adds a theming function, so we need to clear the entire cache.
  $ret[] = update_sql("DELETE FROM {cache}");
  return $ret;
}

/**
 * Create the cache_coder table.
 */
function coder_review_update_2() {
  $ret = array();
  // Create the new coder_review cache table.
  db_create_table($ret, 'cache_coder', _coder_review_cache_schema());
  // Clear coder_review entries from the default cache.
  cache_clear_all('coder:', 'cache', TRUE);
  return $ret;
}

/**
 * Remove deprecated coder_review variables from the 'variable' table.
 */
function coder_review_update_3() {
  $ret = array();
  $ret[] = update_sql("DELETE FROM {variable} WHERE name LIKE 'coder_modules-%' OR name LIKE 'coder_themes-%'");
  cache_clear_all('variables', 'cache');
  return $ret;
}