function _media_youtube_update_fetch_metadata in Media: YouTube 6
Batch function to retrieve the most recent data from providers.
Parameters
$field: The field definition.
&$context: The context for the batch operations.
1 string reference to '_media_youtube_update_fetch_metadata'
- media_youtube_update_6012 in ./
media_youtube.install - Rebuild youtube data to account for not saving raw by default.
File
- ./
media_youtube.install, line 482 - This is Media: YouTube's installation, configuration, and removal file.
Code
function _media_youtube_update_fetch_metadata($field, &$context) {
// Autoload the Zend_Loader class.
spl_autoload_register('media_youtube_autoload');
// Setup the sandbox the first time through.
if (!isset($context['sandbox']['progress'])) {
$context['sandbox']['field'] = $field;
$db_info = content_database_info($field);
$context['sandbox']['db_info'] = $db_info;
$context['sandbox']['table'] = $db_info['table'];
$context['sandbox']['col_embed'] = $db_info['columns']['embed']['column'];
$context['sandbox']['col_value'] = $db_info['columns']['value']['column'];
$context['sandbox']['col_provider'] = $db_info['columns']['provider']['column'];
$context['sandbox']['col_data'] = $db_info['columns']['data']['column'];
$context['sandbox']['col_version'] = $db_info['columns']['version']['column'];
$context['sandbox']['module'] = $field['module'];
$context['sandbox']['max'] = db_result(db_query("SELECT COUNT(*) FROM {" . $db_info['table'] . "}"));
$context['sandbox']['progress'] = 0;
$context['sandbox']['current_vid'] = 0;
}
// Work our way through the field values 50 rows at a time.
// Note that if PHP times out here, you can set the
// emfield_install_fix_data_rows variable in settings.php to a lower number.
// If you get this error, please report it so we can find a better limit
// to work with; I'm not sure if this value will work in the majority of
// cases. Thanks, Aaron.
$limit = variable_get('emfield_install_fix_data_rows', 50);
$result = db_query_range("SELECT * FROM {{$context['sandbox']['table']}} WHERE vid > %d ORDER BY vid ASC", $context['sandbox']['current_vid'], 0, $limit);
while ($row = db_fetch_array($result)) {
// Set delta to zero if it's not set.
if (!isset($row['delta'])) {
$row['delta'] = 0;
}
// Fetch the duration from the provider.
$item = array(
'vid' => $row['vid'],
'embed' => $row[$context['sandbox']['col_embed']],
'value' => $row[$context['sandbox']['col_value']],
'provider' => $row[$context['sandbox']['col_provider']],
'data' => unserialize($row[$context['sandbox']['col_data']]),
'version' => $row[$context['sandbox']['col_version']],
);
$item['data'] = is_array($item['data']) ? $item['data'] : array();
if ($item['provider'] == 'youtube') {
if (!db_result(db_query("SELECT value FROM {media_youtube_metadata} WHERE value = '%s'", $item['value']))) {
$item['status'] = media_youtube_check_status($item['value']);
$item['last_touched'] = time();
drupal_write_record('media_youtube_metadata', $item);
}
if (!db_result(db_query("SELECT value FROM {media_youtube_node_data} WHERE value = '%s' AND vid = %d AND field_name = '%s' AND delta = %d", $item['value'], $row['vid'], $context['sandbox']['field']['field_name'], $row['delta']))) {
$item['field_name'] = $context['sandbox']['field']['field_name'];
$item['delta'] = $row['delta'];
drupal_write_record('media_youtube_node_data', $item);
}
if ($item['version'] != MEDIA_YOUTUBE_DATA_VERSION) {
unset($item['data']['raw']);
// Ensure we keep any emthumb data.
$item[$context['sandbox']['col_data']] = serialize(array_merge($item['data'], media_youtube_emfield_data($item['value'])));
$item[$context['sandbox']['col_version']] = MEDIA_YOUTUBE_DATA_VERSION;
drupal_write_record($context['sandbox']['table'], $item, array(
'vid',
));
}
}
// Update our progress information.
$context['sandbox']['progress']++;
$context['sandbox']['current_vid'] = $row['vid'];
}
// Inform the batch engine that we are not finished,
// and provide an estimation of the completion level we reached.
if ($context['sandbox']['progress'] < $context['sandbox']['max']) {
$context['finished'] = $context['sandbox']['progress'] / $context['sandbox']['max'];
}
else {
$context['finished'] = 1;
}
}