taxonomy_image.install in Taxonomy Image 7

Update functions for the taxonomy_image module.

File

taxonomy_image.install

<?php

/**
 * @file
 * Update functions for the taxonomy_image module.
 */

/**
 * Upgrades field data from the Drupal 6 version.
 */
function taxonomy_image_update_7000(&$context) {
  if (!db_table_exists('term_image')) {
    return;
  }
  $query = db_select('term_image', 't')
    ->fields('t', array(
    'tid',
    'path',
  ));

  // Initiliaze by creating the field and counting the entries.
  if (!isset($sandbox['progress'])) {
    $sandbox['progress'] = 0;
    $sandbox['max'] = $query
      ->countQuery()
      ->execute()
      ->fetchField();
    $sandbox['last_tid'] = -1;
    field_create_field(array(
      'field_name' => 'taxonomy_image',
      'type' => 'image',
      'cardinality' => 1,
      'translatable' => TRUE,
      'entity_types' => array(
        'taxonomy_term',
      ),
    ));
  }

  // Select ten rows at a time.
  $result = $query
    ->range(0, 10)
    ->condition('tid', $sandbox['last_tid'], '>')
    ->execute();

  // Upgrade each row.
  while ($row = $result
    ->fetchAssoc()) {
    $rows_exist = TRUE;

    // Load the term.
    $term = taxonomy_term_load($row['tid']);
    if (!$term) {
      continue;
    }

    // Ensure the taxonomy_image field is instanciated.
    if (!field_info_instance('taxonomy_term', 'taxonomy_image', $term->vocabulary_machine_name)) {
      field_create_instance(array(
        'field_name' => 'taxonomy_image',
        'entity_type' => 'taxonomy_term',
        'label' => t('Image'),
        'bundle' => $term->vocabulary_machine_name,
        'description' => t('The image of this term.'),
        'required' => FALSE,
        'widget' => array(
          'type' => 'image_image',
        ),
      ));
    }

    // Make the file managed.
    $file = new stdClass();
    $file->uri = file_build_uri($row['path']);
    $file->status = FILE_STATUS_PERMANENT;
    $file = file_save($file);

    // Update the term with the new field data.
    $term->taxonomy_image = array(
      LANGUAGE_NONE => array(
        array(
          'fid' => $file->fid,
        ),
      ),
    );
    taxonomy_term_save($term);

    // Increase counters.
    $sandbox['progress']++;
    $sandbox['last_tid'] = $term->tid;
  }

  // Finalize.
  if (empty($rows_exist)) {
    db_drop_table('term_image');
    return t('Taxonomy image field data has been migrated. Settings must be adjusted manually.');
  }
  else {
    $sandbox['#finished'] = $sandbox['progress'] / $sandbox['max'];
  }
}

Functions

Name	Description
taxonomy_image_update_7000	Upgrades field data from the Drupal 6 version.