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<?php

// $Id$
/**
 * @file
 * Provides installation functions for video.module.
 *
 * @author Heshan Wanigasooriya <heshan at heidisoft dot com>
 * 
 * @todo
 */

/**
 * Implementation of hook_schema().
 */
function video_schema() {
  $schema['video_files'] = array(
    'description' => 'Store video transcoding queue',
    'fields' => array(
      'vid' => array(
        'description' => t('Video id'),
        'type' => 'serial',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'fid' => array(
        'description' => 'Original file id',
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ),
      'nid' => array(
        'description' => 'Node id',
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ),
      'status' => array(
        'description' => 'Status of the transcoding',
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ),
      'dimensions' => array(
        'type' => 'varchar',
        'length' => '255',
        'default' => '',
        'description' => 'The dimensions of the video.',
      ),
      'started' => array(
        'description' => t('Started transcodings'),
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
      ),
      'completed' => array(
        'description' => 'Transcoding completed',
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
      ),
      'data' => array(
        'type' => 'text',
        'not null' => FALSE,
        'size' => 'big',
        'description' => 'A serialized array of converted files. Use of this field is discouraged and it will likely disappear in a future version of Drupal.',
      ),
    ),
    'indexes' => array(
      'status' => array('status'),
      'file' => array('fid'),
    ),
    'primary key' => array('vid'),
  );
  return $schema;
}

/**
 * Implementation of hook_install().
 */
function video_install() {
  drupal_install_schema('video');
}

/**
 * Implementation of hook_uninstall().
 */
function video_uninstall() {
//  drupal_uninstall_schema('video');
// Delete all variables which begin with the namespaced "video_*".
  $video_vars = array();
  $query = "SELECT name FROM {variable} WHERE name LIKE '%video_%'";
  $video_vars = db_query($query);
  while ($result = db_fetch_array($video_vars)) {
    if (strpos($result['name'], 'video') === 0) {
      variable_del($result['name']);
    }
  }
}

/**
 * Implements hook_field_schema().
 */
function video_field_schema($field) {
  return array(
    'columns' => array(
      'fid' => array(
        'description' => 'The {file_managed}.fid being referenced in this field.',
        'type' => 'int',
        'not null' => FALSE,
        'unsigned' => TRUE,
      ),
      'fid' => array(
        'description' => 'The {file_managed}.fid being referenced in this field.',
        'type' => 'int',
        'not null' => FALSE,
        'unsigned' => TRUE,
      ),
      'dimensions' => array(
        'description' => "Video dimention for the video player.",
        'type' => 'varchar',
        'length' => 32,
        'not null' => FALSE,
      ),
      'title' => array(
        'description' => "Image title text, for the image's 'title' attribute.",
        'type' => 'varchar',
        'length' => 128,
        'not null' => FALSE,
      ),
    ),
    'indexes' => array(
      'fid' => array('fid'),
    ),
    'foreign keys' => array(
      'fid' => array(
        'table' => 'file_managed',
        'columns' => array('fid' => 'fid'),
      ),
    ),
  );
}