public function FeedsDataProcessor::getMappingTargets in Feeds 6

Return available mapping targets.

Overrides FeedsProcessor::getMappingTargets

File

plugins/FeedsDataProcessor.inc, line 113

Definition of FeedsDataProcessor.

Class

FeedsDataProcessor

Creates simple table records from feed items. Uses Data module.

Code

public function getMappingTargets() {
  $schema = $this
    ->table()
    ->get('table_schema');
  $meta = $this
    ->table()
    ->get('meta');

  // Collect all existing fields except id and field_nid and offer them as
  // mapping targets.
  $existing_fields = $new_fields = array();
  if (isset($schema['fields'])) {
    foreach ($schema['fields'] as $field_name => $field) {
      if (!in_array($field_name, array(
        'id',
        'feed_nid',
      ))) {

        // Any existing field can be optionally unique.
        // @todo Push this reverse mapping of spec to short name into data
        // module.
        $type = $field['type'];
        if ($type == 'int' && $field['unsigned']) {
          $type = 'unsigned int';
        }
        $existing_fields[$field_name] = array(
          'name' => empty($meta['fields'][$field_name]['label']) ? $field_name : $meta['fields'][$field_name]['label'],
          'description' => t('Field of type !type.', array(
            '!type' => $type,
          )),
          'optional_unique' => TRUE,
        );
      }
    }
  }

  // Do the same for every joined table.
  foreach ($this
    ->handler()->joined_tables as $table) {
    $schema = data_get_table($table)
      ->get('table_schema');
    if (isset($schema['fields'])) {
      foreach ($schema['fields'] as $field_name => $field) {
        if (!in_array($field_name, array(
          'id',
          'feed_nid',
        ))) {

          // Fields in joined tables can't be unique.
          $type = $field['type'];
          if ($type == 'int' && $field['unsigned']) {
            $type = 'unsigned int';
          }
          $existing_fields["{$table}.{$field_name}"] = array(
            'name' => $table . '.' . (empty($meta['fields'][$field_name]['label']) ? $field_name : $meta['fields'][$field_name]['label']),
            'description' => t('Joined field of type !type.', array(
              '!type' => $type,
            )),
            'optional_unique' => FALSE,
          );
        }
      }
    }
  }

  // Now add data field types as mapping targets.
  $field_types = drupal_map_assoc(array_keys(data_get_field_definitions()));
  foreach ($field_types as $k => $v) {
    $new_fields['new:' . $k] = array(
      'name' => t('[new] !type', array(
        '!type' => $v,
      )),
      'description' => t('Creates a new column of type !type.', array(
        '!type' => $v,
      )),
    );
  }
  $fields = $new_fields + $existing_fields;
  drupal_alter('feeds_data_processor_targets', $fields, $this
    ->table()
    ->get('name'));
  return $fields;
}