<?php
// $Id: file.install,v 1.40 2009/07/29 14:22:51 miglius Exp $

/**
 * @file
 * File module installation and upgrade code.
 */

//////////////////////////////////////////////////////////////////////////////
// Core API hooks

/**
 * Implementation of hook_enable().
 */
function file_enable() {
  @rdf_create_repository('file', array('dc:title' => t('File framework'), 'dc:description' => 'A repository for the file framework managed files metadata.'));
  @bitcache_create_repository('file', array('title' => 'File framework', 'description' => 'A repository for the file framework managed files.', 'adapter' => 'file', 'module' => 'file', 'location' => '[file-directory-path]/bitcache/file'));

  drupal_set_message(t('File module successfully installed. Please review the available <a href="@settings">configuration settings</a>.', array('@settings' => url('admin/settings/file'))));
}

/**
 * Implementation of hook_install().
 */
function file_install() {
  drupal_install_schema('file');
}

/**
 * Implementation of hook_uninstall().
 */
function file_uninstall() {
  drupal_uninstall_schema('file');

  variable_del('file_bitcache_repository');
  variable_del('file_show_previews');
  variable_del('file_handler_autoload');
  variable_del('file_show_generated');
  variable_del('file_show_file');
  variable_del('file_views_counter');
  variable_del('file_view_link');
  variable_del('file_info_link');
  variable_del('file_properties_link');
  variable_del('file_properties_tab');
  variable_del('file_popup_size');
  variable_del('file_cron');
  variable_del('file_cron_limit_size');
  variable_del('file_cron_limit_total');
  variable_del('file_cron_last_nid');
  variable_del('file_handlers');
  variable_del('file_mime_autodetection');
  variable_del('file_mime_autodetection_conditions');
  variable_del('file_mime_types');
  variable_del('file_og_browser_tab');
  variable_del('file_og_gallery_tab');

  if (module_load_include('module', 'bitcache', 'bitcache') !== FALSE)
    @bitcache_delete_repository('file');
  if (module_load_include('module', 'rdf', 'rdf') !== FALSE)
    @rdf_delete_repository('file');
}

/**
 * Implementation of hook_requirements().
 */
function file_requirements($phase) {
  $status = array();
  $t = get_t();

  if ($phase == 'runtime') {
    if (!module_exists('getid3')) {
      $getid3_path = drupal_get_path('module', 'file') .'/vendor/getid3';
      if (file_exists($getid3_path .'/getid3/getid3.php'))
        include_once $getid3_path .'/getid3/getid3.php';

      $getid3 = class_exists('getID3');
      $status['getid3'] = array(
        'title' => $t('getID3 library'),
        'value' => $getid3 ? $t('@version', array('@version' => GETID3_VERSION)) : $t('Not installed'),
        'description' => $getid3 ? '' : $t('<a href="@getid3">getID3</a> is not available. It is recommended that you install this library in order to enable metadata extraction from the audio and video files. To install, <a href="@download">download</a> the latest version of the library and unzip it to %path under the Drupal directory.', array('@getid3' => 'http://getid3.sourceforge.net/', '@download' => 'http://sourceforge.net/project/showfiles.php?group_id=55859', '%path' => $getid3_path .'/')),
        'severity' => $getid3 ? REQUIREMENT_OK : REQUIREMENT_WARNING,
      );
    }

    $flowplayer_path = drupal_get_path('module', 'file') .'/vendor/flowplayer';
    $flowplayer = defined('FILE_VIDEO_FLOWPLAYER_VERSION') && file_exists($flowplayer_path .'/flowplayer-'. FILE_VIDEO_FLOWPLAYER_VERSION .'.swf') ? TRUE : FALSE;
    $status['flowplayer'] = array(
      'title' => $t('Flowplayer'),
      'value' => $flowplayer ? FILE_VIDEO_FLOWPLAYER_VERSION : $t('Not installed'),
      'description' => $flowplayer ? '' : $t('<a href="@flowplayer">Flowplayer</a> is not available. It is recommended that you install this player in order to play video files in the browser. To install, <a href="@download">download</a> the latest version of the player, unzip it to %path under the Drupal directory and <a href="@set">set</a> player\'s version. Note, that flowplayer older than version 3.0.0 can be used, but will not be detected.', array('@flowplayer' => 'http://flowplayer.org/', '@download' => 'http://flowplayer.org/download', '%path' => $flowplayer_path .'/', '@set' => url('admin/settings/file/format/video'))),
      'severity' => $flowplayer ? REQUIREMENT_OK : REQUIREMENT_WARNING,
    );

    $xspf_player_path = drupal_get_path('module', 'file') .'/vendor/xspf_player';
    $xspf_player = file_exists($xspf_player_path .'/xspf_player_slim.swf') ? TRUE : FALSE;
    $status['xspf_player'] = array(
      'title' => $t('XSPF player'),
      'value' => $xspf_player ? $t('Installed') : $t('Not installed'),
      'description' => $xspf_player ? '' : $t('<a href="@xspf_player">XSPF player</a> is not available. It is recommended that you install this player in order to play audio files in the browser. To install, <a href="@download">download</a> the latest Slim version of the player and unzip it to %path under the Drupal directory.', array('@xspf_player' => 'http://musicplayer.sourceforge.net/', '@download' => 'http://musicplayer.sourceforge.net/#download', '%path' => $xspf_player_path .'/')),
      'severity' => $xspf_player ? REQUIREMENT_OK : REQUIREMENT_WARNING,
    );
  }

  return $status;
}

//////////////////////////////////////////////////////////////////////////////
// Schema API hooks

/**
 * Implementation of hook_schema().
 */
function file_schema() {
  return array(
    'file_nodes' => array(
      'description' => t('Stores file node data.'),
      'fields' => array(
        'nid' => array(
          'description' => t("The node's ID from {node}.nid."),
          'type' => 'int',
          'unsigned' => TRUE,
          'not null' => TRUE,
          'default' => 0,
        ),
        'vid' => array(
          'description' => t("The node's version ID from {node}.vid."),
          'type' => 'int',
          'unsigned' => TRUE,
          'not null' => TRUE,
          'default' => 0,
        ),
        'uri' => array(
          'description' => t("The file's bitstream URI."),
          'type' => 'varchar',
          'length' => 255,
          'not null' => TRUE,
          'default' => '',
        ),
        'size' => array(
          'description' => t("The file's byte size."),
          'type' => 'int',
          'unsigned' => TRUE,
          'not null' => TRUE,
          'default' => 0,
        ),
        'type' => array(
          'description' => t("The file's MIME type."),
          'type' => 'varchar',
          'length' => 64,
          'default' => '',
        ),
        'views' => array(
          'description' => t("The file's preview counter."),
          'type' => 'int',
          'unsigned' => TRUE,
          'not null' => TRUE,
          'default' => 0,
        ),
        'downloads' => array(
          'description' => t("The file's download counter."),
          'type' => 'int',
          'unsigned' => TRUE,
          'not null' => TRUE,
          'default' => 0,
        ),
      ),
      'primary key' => array('nid', 'vid'),
      'indexes'     => array('file_nodes_uri' => array('uri')),
    ),
    'file_tmp' => array(
      'description' => t('Stores temporal file node data.'),
      'fields' => array(
        'uid' => array(
          'type' => 'int',
          'not null' => TRUE,
          'default' => 0,
          'description' => t("User's {users}.uid."),
        ),
        'uri' => array(
          'description' => t("The file's bitstream URI."),
          'type' => 'varchar',
          'length' => 255,
          'not null' => TRUE,
          'default' => '',
        ),
        'created' => array(
          'description' => t("The file's upload timestamp."),
          'type' => 'int',
          'not null' => TRUE,
          'default' => 0,
        ),
      ),
      'indexes' => array('file_tmp_created' => array('created')),
    ),
  );
}

//////////////////////////////////////////////////////////////////////////////
// Upgrades

function file_update_6000() {
  $ret = array();
  if (!is_dir(BITCACHE_ROOT .'/file')) {
    bitcache_create_repository('file', array('title' => 'File framework', 'description' => 'A repository for the file framework managed files.'));
    file_init();
    rdf_init();

    $uris = array();
    $result = db_query("SELECT DISTINCT uri FROM {file_nodes}");
    while ($row = db_fetch_object($result)) {
      $uris[] = $row->uri;
      if ($generated = rdf_normalize(rdf_query(NULL, rdf_qname_to_uri('dc:source'), $row->uri)))
        $uris = array_merge($uris, array_keys($generated));
    }
    $uris = array_unique($uris);
    foreach ($uris as $uri)
      rename(BITCACHE_ROOT .'/'. file_get_hash($uri), BITCACHE_ROOT .'/file/'. file_get_hash($uri));
  }
  return $ret;
}

function file_update_6001() {
  $ret = array();
  $ret[] = update_sql("UPDATE {bitcache_repositories} SET module = 'file' WHERE name = 'file'");
  return $ret;
}

function file_update_6002() {
  $ret = array();
  db_change_field($ret, 'file_nodes', 'type', 'type', array('description' => t("The file's MIME type."), 'type' => 'varchar', 'length' => 255, 'default' => ''));
  return $ret;
}