function activity_access_rebuild_process in Activity 6.2

Batch API processing operation. Rebuilding Access table.

Parameters

array $context: The batch api context array.

Return value

none

1 string reference to 'activity_access_rebuild_process'

activity_access_batch_set in ./activity.admin.inc

FAPI form submit function for the activity_rebuild button.

File

./activity.admin.inc, line 635

activity.admin.inc Contains administrative forms for activity.module

Code

function activity_access_rebuild_process(&$context) {
  if (!isset($context['sandbox']['last_aid'])) {

    // Set up the sandbox for the first time.
    $context['sandbox']['last_aid'] = 0;
    $context['sandbox']['progress'] = 0;

    // Activity can be happening on the site. Any Activity happening after this point
    // will not be rebuilt. This is ok, as in that case, the new Activity will receive
    // any and all new Activity Access Realms.
    $context['sandbox']['max'] = db_result(db_query("SELECT COUNT(aid) FROM {activity}"));
  }

  // Process 100 Activities at a time.
  $limit = 100;
  $activities = db_query_range("SELECT * FROM {activity} WHERE aid > %d ORDER BY aid ASC", $context['sandbox']['last_aid'], 0, $limit);
  while ($activity = db_fetch_object($activities)) {
    $grants = activity_get_grants($activity);

    // Delete existing records.
    db_query("DELETE FROM {activity_access} WHERE aid = %d", $activity->aid);

    // Insert new ones.
    foreach ($grants as $realm => $values) {
      foreach ($values as $value) {

        // insert one by one. In D7 we can use the DBTNG to insert multiple
        $perm = new stdClass();
        $perm->aid = $activity->aid;
        $perm->realm = $realm;
        $perm->value = $value;
        drupal_write_record('activity_access', $perm);
      }
    }

    // Update sandbox variables.
    $context['sandbox']['last_aid'] = $activity->aid;
    $context['sandbox']['progress']++;
  }

  // Check if not finished.
  if ($context['sandbox']['progress'] < $context['sandbox']['max']) {
    $context['finished'] = $context['sandbox']['progress'] / $context['sandbox']['max'];
  }
  else {

    // If finished, delete the sandbox.
    unset($context['sandbox']);
  }
}