<?php
/**
 * @file
 * Node export feeds importer.
 */

/**
 * Implementation of hook_ctools_plugin_api().
 */
function node_export_feeds_ctools_plugin_api($module = '', $api = '') {
  if ($module == 'feeds' && in_array($api, array(
      'feeds_importer_default',
      'plugins'
    ))
  ) {
    return array('version' => 1);
  }
}

/**
 * Implementation of hook_feeds_plugins().
 */
function node_export_feeds_feeds_plugins() {
  $info = array();
  $info['FeedsNodeExportParser'] = array(
    'name' => 'Node export parser',
    'description' => 'Parse a node export.',
    'help' => 'Parses the output from the node export module.',
    'handler' => array(
      'parent' => 'FeedsParser',
      'class' => 'FeedsNodeExportParser',
      'file' => 'FeedsNodeExportParser.inc',
      'path' => drupal_get_path('module', 'node_export_feeds'),
    ),
  );
  $info['FeedsNodeExportProcessor'] = array(
    'name' => 'Node Export Processor',
    'description' => 'Process a node export.',
    'help' => 'Processes the output from the node export module.',
    'handler' => array(
      'parent' => 'FeedsNodeProcessor',
      'class' => 'FeedsNodeExportProcessor',
      'file' => 'FeedsNodeExportProcessor.inc',
      'path' => drupal_get_path('module', 'node_export_feeds'),
    ),
  );
  return $info;
}

/**
 * Implementation of hook_feeds_importer_default().
 */
function node_export_feeds_feeds_importer_default() {
  $export = array();

  // Commented out properties seem to be unsupported targets in feeds?
  $mappings_keys = array(
    //'vid',
    'uid',
    'title',
    //'log',
    'status',
    'comment',
    'promote',
    'sticky',
    //'vuuid',
    'nid',
    //'type',
    'language',
    'created',
    //'changed',
    //'tnid',
    //'translate',
    //'uuid',
    //'revision_timestamp',
    //'revision_uid',
    'body',
    //'rdf_mapping',
    //'cid',
    //'last_comment_timestamp',
    //'last_comment_name',
    //'last_comment_uid',
    //'comment_count',
    //'name',
    //'picture',
    //'data',
    //'path',
    //'menu',
    //'node_export_drupal_version',
  );
  $mappings = array();
  foreach ($mappings_keys as $mappings_key) {
    $mappings[] = array(
      'source' => $mappings_key,
      'target' => $mappings_key,
      'unique' => FALSE,
    );
  }
  $mappings[] = array(
    'source' => 'uuid',
    'target' => 'guid',
    'unique' => 1,
  );

  $feeds_importer = new stdClass;
  $feeds_importer->disabled = FALSE;
  $feeds_importer->api_version = 1;
  $feeds_importer->id = 'node_export';
  $feeds_importer->config = array(
    'name' => 'Node export import',
    'description' => 'Import nodes from node export.',
    'fetcher' => array(
      'plugin_key' => 'FeedsFileFetcher',
      'config' => array(
        'allowed_extensions' => 'export txt csv tsv xml opml',
        'direct' => FALSE,
      ),
    ),
    'parser' => array(
      'plugin_key' => 'FeedsNodeExportParser',
      'config' => array(),
    ),
    'processor' => array(
      'plugin_key' => 'FeedsNodeExportProcessor',
      'config' => array(
        'content_type' => 'article',
        'update_existing' => 1,
        'expire' => '-1',
        'mappings' => $mappings,
        'input_format' => 'plain_text',
        'author' => 0,
      ),
    ),
    'content_type' => '',
    'update' => 0,
    'import_period' => '-1',
    'expire_period' => 3600,
    'import_on_create' => 1,
  );
  $export['node_export'] = $feeds_importer;

  return $export;
}

/**
 * Implementation of hook_feeds_after_import().
 */
function node_export_feeds_feeds_after_import($source) {
  if ($source->importer->processor instanceOf FeedsNodeExportProcessor && !empty($source->importer->processor->new_nodes)) {
    // This code is similar to some code in node_export_import()
    // which gets executed for all nodes when the $save param is TRUE.
    $save = TRUE;
    drupal_alter('node_export_after_import', $source->importer->processor->new_nodes, $source->importer->parser->format, $save);
    // @todo: Is this what we should do with output messages?
    drupal_set_message(("Some values may have been reset depending on Node export's configuration."));

    // Clear the page and block caches.
    cache_clear_all();
  }
}