<?php

/**

 * @file

 * Install, update, and uninstall functions for the Statistics module.

 */

/**

 * Implements hook_uninstall().

 */

function statistics_uninstall() {

  // Remove variables.

  variable_del('statistics_count_content_views');

  variable_del('statistics_count_content_views_ajax');

  variable_del('statistics_enable_access_log');

  variable_del('statistics_flush_accesslog_timer');

  variable_del('statistics_day_timestamp');

  variable_del('statistics_block_top_day_num');

  variable_del('statistics_block_top_all_num');

  variable_del('statistics_block_top_last_num');

}

/**

 * Implements hook_schema().

 */

function statistics_schema() {

  $schema['accesslog'] = array(

    'description' => 'Stores site access information for statistics.',

    'fields' => array(

      'aid' => array(

        'type' => 'serial',

        'not null' => TRUE,

        'description' => 'Primary Key: Unique accesslog ID.',

      ),

      'sid' => array(

        'type' => 'varchar',

        'length' => 128,

        'not null' => TRUE,

        'default' => '',

        'description' => 'Browser session ID of user that visited page.',

      ),

      'title' => array(

        'type' => 'varchar',

        'length' => 255,

        'not null' => FALSE,

        'description' => 'Title of page visited.',

      ),

      'path' => array(

        'type' => 'varchar',

        'length' => 255,

        'not null' => FALSE,

        'description' => 'Internal path to page visited (relative to Drupal root.)',

      ),

      'url' => array(

        'type' => 'text',

        'not null' => FALSE,

        'description' => 'Referrer URI.',

      ),

      'hostname' => array(

        'type' => 'varchar',

        'length' => 128,

        'not null' => FALSE,

        'description' => 'Hostname of user that visited the page.',

      ),

      'uid' => array(

        'type' => 'int',

        'unsigned' => TRUE,

        'not null' => FALSE,

        'default' => 0,

        'description' => 'User {users}.uid that visited the page.',

      ),

      'timer' => array(

        'type' => 'int',

        'unsigned' => TRUE,

        'not null' => TRUE,

        'default' => 0,

        'description' => 'Time in milliseconds that the page took to load.',

      ),

      'timestamp' => array(

        'type' => 'int',

        'unsigned' => TRUE,

        'not null' => TRUE,

        'default' => 0,

        'description' => 'Timestamp of when the page was visited.',

      ),

    ),

    'indexes' => array(

      'accesslog_timestamp' => array('timestamp'),

      'uid' => array('uid'),

    ),

    'primary key' => array('aid'),

    'foreign keys' => array(

      'visitor' => array(

        'table' => 'users',

        'columns' => array('uid' => 'uid'),

      ),

    ),

  );

  $schema['node_counter'] = array(

    'description' => 'Access statistics for {node}s.',

    'fields' => array(

      'nid' => array(

        'description' => 'The {node}.nid for these statistics.',

        'type' => 'int',

        'not null' => TRUE,

        'default' => 0,

      ),

      'totalcount' => array(

        'description' => 'The total number of times the {node} has been viewed.',

        'type' => 'int',

        'unsigned' => TRUE,

        'not null' => TRUE,

        'default' => 0,

        'size' => 'big',

      ),

      'daycount' => array(

        'description' => 'The total number of times the {node} has been viewed today.',

        'type' => 'int',

        'unsigned' => TRUE,

        'not null' => TRUE,

        'default' => 0,

        'size' => 'medium',

      ),

      'timestamp' => array(

        'description' => 'The most recent time the {node} has been viewed.',

        'type' => 'int',

        'unsigned' => TRUE,

        'not null' => TRUE,

        'default' => 0,

      ),

    ),

    'primary key' => array('nid'),

  );

  return $schema;

}

/**

 * @addtogroup updates-6.x-to-7.x

 * @{

 */

/**

 * Update the {accesslog}.sid column to match the length of {sessions}.sid

 */

function statistics_update_7000() {

  db_change_field('accesslog', 'sid', 'sid', array(

    'type' => 'varchar',

    'length' => 128,

    'not null' => TRUE,

    'default' => '',

    'description' => 'Browser session ID of user that visited page.',

  ));

}

/**

 * @} End of "addtogroup updates-6.x-to-7.x".

 */