Club Drupal

<?php

/**

 * @file

 * On behalf implementation of Feeds mapping API for file.module and

 * image.module.

 */

/**

 * Implements hook_feeds_processor_targets().

 */

function file_feeds_processor_targets($entity_type, $bundle_name) {

  $targets = array();

  foreach (field_info_instances($entity_type, $bundle_name) as $name => $instance) {

    $info = field_info_field($name);

    if (in_array($info['type'], array('file', 'image'))) {

      $targets[$name . ':uri'] = array(

        'name' => t('@label: URI', array('@label' => $instance['label'])),

        'callback' => 'file_feeds_set_target',

        'description' => t('The URI of the @label field.', array('@label' => $instance['label'])),

        'real_target' => $name,

      );

      // Keep the old target name for backwards compatibility, but hide it from

      // the UI.

      $targets[$name] = $targets[$name . ':uri'];

      $targets[$name]['deprecated'] = TRUE;

      if ($info['type'] == 'image') {

        $targets[$name . ':alt'] = array(

          'name' => t('@label: Alt', array('@label' => $instance['label'])),

          'callback' => 'file_feeds_set_target',

          'description' => t('The alt tag of the @label field.', array('@label' => $instance['label'])),

          'real_target' => $name,

        );

        $targets[$name . ':title'] = array(

          'name' => t('@label: Title', array('@label' => $instance['label'])),

          'callback' => 'file_feeds_set_target',

          'description' => t('The title of the @label field.', array('@label' => $instance['label'])),

          'real_target' => $name,

        );

      }

      elseif ($info['type'] === 'file') {

        $targets[$name . ':description'] = array(

          'name' => t('@label: Description', array('@label' => $instance['label'])),

          'callback' => 'file_feeds_set_target',

          'description' => t('The description of the @label field.', array('@label' => $instance['label'])),

          'real_target' => $name,

        );

      }

    }

  }

  return $targets;

}

/**

 * Callback for mapping file fields.

 */

function file_feeds_set_target(FeedsSource $source, $entity, $target, array $values, array $mapping) {

  $language = $mapping['language'];

  // Add default of uri for backwards compatibility.

  list($field_name, $sub_field) = explode(':', $target . ':uri');

  $info = field_info_field($field_name);

  if ($sub_field == 'uri') {

    foreach ($values as $k => $v) {

      if (!($v instanceof FeedsEnclosure)) {

        if (is_string($v)) {

          $values[$k] = new FeedsEnclosure($v, file_get_mimetype($v));

        }

        else {

          // Set the value for FALSE rather than remove it to keep our deltas

          // correct.

          $values[$k] = FALSE;

        }

      }

    }

    if ($entity instanceof Entity) {

      $entity_type = $entity->entityType();

      $bundle = $entity->bundle();

    }

    else {

      $entity_type = $source->importer->processor->entityType();

      $bundle = $source->importer->processor->bundle();

    }

    $instance_info = field_info_instance($entity_type, $field_name, $bundle);

    // Determine file destination.

    // @todo This needs review and debugging.

    $data = array();

    if (!empty($entity->uid)) {

      $data[$entity_type] = $entity;

    }

    $destination = file_field_widget_uri($info, $instance_info, $data);

  }

  // Populate entity.

  $field = isset($entity->$field_name) ? $entity->$field_name : array($language => array());

  $delta = 0;

  foreach ($values as $v) {

    if ($info['cardinality'] == $delta) {

      break;

    }

    if (!isset($field[$language][$delta])) {

      $field[$language][$delta] = array();

    }

    switch ($sub_field) {

      case 'alt':

      case 'title':

      case 'description':

        $field[$language][$delta][$sub_field] = $v;

        break;

      case 'uri':

        if ($v) {

          try {

            $v->setAllowedExtensions($instance_info['settings']['file_extensions']);

            $field[$language][$delta] += (array) $v->getFile($destination);

            // @todo: Figure out how to properly populate this field.

            $field[$language][$delta]['display'] = 1;

          }

          catch (Exception $e) {

            watchdog('feeds', check_plain($e->getMessage()));

          }

        }

        break;

    }

    $delta++;

  }

  $entity->$field_name = $field;

}