uuid_node.features.inc in UUID Features Integration 6

Features hooks for the uuid_node features component.

File

includes/uuid_node.features.inc

<?php

/**
 * @file
 * Features hooks for the uuid_node features component.
 */

/**
 * Implementation of hook_features_export_options().
 */
function uuid_node_features_export_options() {
  $options = array();
  $types = node_get_types('names');
  $query = 'SELECT n.nid, n.title, n.type, u.uuid
    FROM {node} n INNER JOIN {uuid_node} u
    ON n.nid = u.nid ORDER BY n.type, n.title ASC';
  $result = db_query($query);
  while ($node = db_fetch_object($result)) {
    $options[$node->uuid] = t('@type: @title', array(
      '@type' => $types[$node->type],
      '@title' => $node->title,
    ));
  }
  return $options;
}

/**
 * Implementation of hook_features_export().
 */
function uuid_node_features_export($data, &$export, $module_name = '') {
  $pipe = array();
  $export['dependencies']['uuid_features'] = 'uuid_features';
  uuid_features_load_module_includes();
  foreach ($data as $uuid) {
    $node = node_get_by_uuid($uuid);
    $export['features']['uuid_node'][$uuid] = $uuid;
    $pipe['node'][$node->type] = $node->type;

    // drupal_alter() normally supports just one byref parameter. Using
    // the __drupal_alter_by_ref key, we can store any additional parameters
    // that need to be altered, and they'll be split out into additional params
    // for the hook_*_alter() implementations.  The hook_alter signature is
    // hook_uuid_node_features_export_alter(&$export, &$pipe, $node)
    $data =& $export;
    $data['__drupal_alter_by_ref'] = array(
      &$pipe,
    );
    drupal_alter('uuid_node_features_export', $data, $node);
  }
  return $pipe;
}

/**
 * Implementation of hook_features_export_render().
 */
function uuid_node_features_export_render($module, $data) {
  $translatables = $code = array();
  uuid_features_load_module_includes();
  $code[] = '  $nodes = array();';
  $code[] = '';
  foreach ($data as $uuid) {
    $node = node_get_by_uuid($uuid);
    if (!empty($node->path)) {
      $node->pathauto_perform_alias = FALSE;
    }
    $export = $node;

    // Use date instead of created, in the same format used by node_object_prepare.
    $export->date = format_date($export->created, 'custom', 'Y-m-d H:i:s O');

    // Don't cause conflicts with the legacy nid/vid fields.
    unset($export->nid);
    unset($export->vid);

    // The hook_alter signature is:
    // hook_uuid_node_features_export_render_alter(&$export, $node, $module);
    drupal_alter('uuid_node_features_export_render', $export, $node, $module);
    $code[] = '  $nodes[] = ' . features_var_export($export) . ';';
  }
  if (!empty($translatables)) {
    $code[] = features_translatables_export($translatables, '  ');
  }
  $code[] = '  return $nodes;';
  $code = implode("\n", $code);
  return array(
    'uuid_features_default_content' => $code,
  );
}

/**
 * Implementation of hook_features_revert().
 */
function uuid_node_features_revert($module) {
  uuid_node_features_rebuild($module);
}

/**
 * Implementation of hook_features_rebuild().
 * Rebuilds nodes based on UUID from code defaults.
 */
function uuid_node_features_rebuild($module) {
  $nodes = module_invoke($module, 'uuid_features_default_content');
  $manually_set = array(
    'created' => array(
      'table' => 'node',
      'column' => 'created',
    ),
    'changed' => array(
      'table' => 'node',
      'column' => 'changed',
    ),
    'revision_timestamp' => array(
      'table' => 'node_revisions',
      'column' => 'timestamp',
    ),
    'last_comment_timestamp' => array(
      'table' => 'node_comment_statistics',
      'column' => 'last_comment_timestamp',
    ),
  );
  if (!empty($nodes)) {
    module_load_include('inc', 'node', 'node.pages');
    foreach ($nodes as $data) {
      $node = (object) $data;

      // Note which of these values have been set in the export
      foreach ($manually_set as $key => $values) {
        if (isset($node->{$key})) {
          $manually_set[$key]['value'] = $node->{$key};
        }
      }

      // Perform tasks from node_object_prepare() without overwriting data
      // in the exported node.
      $node_options = variable_get('node_options_' . $node->type, array(
        'status',
        'promote',
      ));
      foreach (array(
        'status',
        'promote',
        'sticky',
      ) as $key) {
        if (!isset($node->{$key})) {
          $node->{$key} = in_array($key, $node_options);
        }
      }
      node_invoke($node, 'prepare');
      node_invoke_nodeapi($node, 'prepare');
      $existing = node_get_by_uuid($node->uuid);
      if (!empty($existing)) {
        $node->nid = $existing->nid;
        $node->vid = $existing->vid;
      }

      // The hook_alter signature is:
      // hook_uuid_node_features_rebuild_alter(&node, $module);
      drupal_alter('uuid_node_features_rebuild', $node, $module);
      $node = node_submit($node);
      node_save($node);

      // The Node API is hard-coded to override certain values set in the node.
      // Set them here.
      foreach ($manually_set as $key => $values) {
        if (isset($values['value'])) {
          $table = $values['table'];
          $column = $values['column'];
          $value = $values['value'];
          if ($table == 'node_comment_statistics') {
            $where = 'nid = %d';
            $args = array(
              $value,
              $node->nid,
            );
          }
          else {
            $where = 'nid = %d AND vid = %d';
            $args = array(
              $value,
              $node->nid,
              $node->vid,
            );
          }
          db_query("UPDATE {$table} SET {$column} = %d WHERE {$where}", $args);
        }
      }
    }
  }
}

Functions

Name	Description
uuid_node_features_export	Implementation of hook_features_export().
uuid_node_features_export_options	Implementation of hook_features_export_options().
uuid_node_features_export_render	Implementation of hook_features_export_render().
uuid_node_features_rebuild	Implementation of hook_features_rebuild(). Rebuilds nodes based on UUID from code defaults.
uuid_node_features_revert	Implementation of hook_features_revert().