<?php
/**
 * @file
 *
 * Installation file for the Progress module
 *
 */

function progress_schema() {
  $schema = array();

  $schema['progress'] = array(
    'description' => 'Progress',
    'fields' => array(
      'name' => array(
        'description' => 'Name of progress',
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
      ),
      'progress' => array(
        'description' => 'Progress status',
        'type' => 'float',
        'size' => 'big',
        'not null' => TRUE,
        'default' => 0,
      ),
      'message' => array(
        'description' => 'Message for current progress',
        'type' => 'text',
        'not null' => TRUE,
      ),
      'start_stamp' => array(
        'description' => 'Start time in unix timestamp',
        'type' => 'float',
        'size' => 'big',
        'not null' => TRUE,
        'default' => 0,
      ),
      'end_stamp' => array(
        'description' => 'End time in unix timestamp',
        'type' => 'float',
        'size' => 'big',
        'not null' => TRUE,
        'default' => 0,
      ),
      'current_stamp' => array(
        'description' => 'Current time in unix timestamp',
        'type' => 'float',
        'size' => 'big',
        'not null' => TRUE,
        'default' => 0,
      ),
    ),
    'primary key' => array('name'),
  );

  return $schema;
}

/**
 * Major version upgrade of Drupal
 */
function progress_update_7000(&$context) {
  $schema_version = db_query("SELECT schema_version FROM {system} WHERE name = 'progress'")->fetchField();
  if ($schema_version > 0 && $schema_version < 7000) {
    $context['sandbox']['major_version_upgrade'] = array(
      7101 => TRUE,
    );
  }
}

/**
 * Change schema to SQL 99 compliance
 */
function progress_update_7101(&$context) {
  if (!empty($context['sandbox']['major_version_upgrade'][7101])) {
    // This udate is already part of latest 6.x
    return;
  }
  db_change_field('progress', 'start', 'start_stamp', array(
    'description' => 'Start time in unix timestamp',
    'type' => 'float',
    'size' => 'big',
    'not null' => TRUE,
    'default' => 0
  ));
  db_change_field('progress', 'end', 'end_stamp', array(
    'description' => 'End time in unix timestamp',
    'type' => 'float',
    'size' => 'big',
    'not null' => TRUE,
    'default' => 0
  ));
  db_change_field('progress', 'current', 'current_stamp', array(
    'description' => 'Current time in unix timestamp',
    'type' => 'float',
    'size' => 'big',
    'not null' => TRUE,
    'default' => 0
  ));
}