function _office_hours_update_7100_daynum in Office Hours 7

Helper function for hook_update_N.

Change value of 'day' column from 0-13 range to normal 0-6 day range. This allows for more then 2 hours blocks per day.

1 call to _office_hours_update_7100_daynum()

office_hours_update_7100 in ./office_hours.install

Change value of 'day' column from 0-13 range to normal 0-6 day range.

File

./office_hours.install, line 87

Install, update and uninstall functions for the Office hours module.

Code

function _office_hours_update_7100_daynum() {

  // Step 1: Collect field_ids for office hours fields.
  $ids = array();
  $fields = field_read_fields();
  foreach ($fields as $field) {
    if ($field['type'] == 'office_hours') {
      $ids[] = $field['id'];
    }
  }
  if (empty($ids)) {
    return;
  }

  // Step 2: Collect fields of type 'office_hours' via id.
  $oh_fields = array();
  $instances = field_info_instances();
  foreach ($instances as $entity => $bundles) {
    foreach ($bundles as $bundle => $fields) {
      foreach ($fields as $field_name => $field) {

        // Check each field for the correct $field_id
        foreach ($ids as $key => $id) {
          if ($field['field_id'] == $id) {
            $oh_fields[$field['id']] = $field;
          }
        }
      }
    }
  }

  // Step 3: Update entities.
  foreach ($oh_fields as $id => $field) {
    $entity_type = $field['entity_type'];
    $bundle = $field['bundle'];
    $field_id = $field['field_id'];
    $field_name = $field['field_name'];
    unset($entities);
    $query = new EntityFieldQuery();
    $entities = $query
      ->entityCondition('entity_type', $entity_type)
      ->entityCondition('bundle', $bundle)
      ->execute();

    // Remove extra layer from data structure.
    $entities = $entities[$entity_type];
    ksort($entities);

    // We may run in time problems. Allow restart using a variable.
    $id = -1;
    $latest_id = variable_get('office_hours-' . $entity_type . '-' . $bundle . '-' . $field_id, $id);

    // Convert the 'day' column to from 0-13 to 0-6 day range.
    foreach ($entities as $id => $entity) {
      if ($id > $latest_id) {

        // Non-node Entity types (like 'taxonomy_term') need enhancing.
        // Copied from entity_create_stub_entity() (removed in D8).
        $info = entity_get_info($entity_type);

        // $entity->{$info['entity keys']['id']} = $entity->id;
        if (!empty($info['entity keys']['revision']) && isset($entity->vid)) {
          $entity->{$info['entity keys']['revision']} = $entity->vid;
        }
        if (!empty($info['entity keys']['bundle']) && isset($bundle)) {
          $entity->{$info['entity keys']['bundle']} = $bundle;
        }
        $full_entities = array(
          $id => $entity,
        );
        field_attach_load($entity_type, $full_entities, FIELD_LOAD_CURRENT, array(
          'field_id' => $field_id,
        ));
        $empty = TRUE;
        foreach ($full_entities as $id => $full_entity) {
          $entity_field =& $full_entity->{$field_name};
          foreach ($entity_field as $langcode => &$items) {
            foreach ($items as $index => &$item) {
              $empty = FALSE;
              $item['day'] = (int) ($item['day'] / 2);
            }
          }
        }

        // In order to avoid time-outs, only update objects with changed data.
        if (!$empty) {

          // Prevent core-error #985642, which should be fixed per D7.22
          $full_entity->original = $full_entity;

          // field_attach_presave($entity_type, $full_entity);  // This unnecessarily shifts the days.
          field_attach_update($entity_type, $full_entity);
          variable_set('office_hours-' . $entity_type . '-' . $bundle . '-' . $field_id, $id);
        }
      }
    }
  }

  // If we did not break, remove variables.
  foreach ($oh_fields as $id => $field) {
    $entity_type = $field['entity_type'];
    $bundle = $field['bundle'];
    $field_id = $field['field_id'];
    $field_name = $field['field_name'];
    variable_del('office_hours-' . $entity_type . '-' . $bundle . '-' . $field_id);
  }
}