materio-base-legacy/contrib/search_api_views/search_api_views.install
2013-03-15 17:32:30 +01:00

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<?php
/**
* @file
* Install, update and uninstall functions for the search_api_views module.
*/
/**
* Updates all Search API views to use the new, specification-compliant identifiers.
*/
function search_api_views_update_7101() {
$tables = views_fetch_data();
// Contains arrays with real fields mapped to field IDs for each table.
$table_fields = array();
foreach ($tables as $key => $table) {
if (substr($key, 0, 17) != 'search_api_index_') {
continue;
}
foreach ($table as $field => $info) {
if (isset($info['real field']) && $field != $info['real field']) {
$table_fields[$key][$info['real field']] = $field;
}
}
}
if (!$table_fields) {
return;
}
foreach (views_get_all_views() as $name => $view) {
if (empty($view->base_table) || empty($table_fields[$view->base_table])) {
continue;
}
$change = FALSE;
$fields = $table_fields[$view->base_table];
$change |= _search_api_views_update_7101_helper($view->base_field, $fields);
if (!empty($view->display)) {
foreach ($view->display as $key => &$display) {
$options = &$display->display_options;
if (isset($options['style_options']['grouping'])) {
$change |= _search_api_views_update_7101_helper($options['style_options']['grouping'], $fields);
}
if (isset($options['style_options']['columns'])) {
$change |= _search_api_views_update_7101_helper($options['style_options']['columns'], $fields);
}
if (isset($options['style_options']['info'])) {
$change |= _search_api_views_update_7101_helper($options['style_options']['info'], $fields);
}
if (isset($options['arguments'])) {
$change |= _search_api_views_update_7101_helper($options['arguments'], $fields);
}
if (isset($options['fields'])) {
$change |= _search_api_views_update_7101_helper($options['fields'], $fields);
}
if (isset($options['filters'])) {
$change |= _search_api_views_update_7101_helper($options['filters'], $fields);
}
if (isset($options['sorts'])) {
$change |= _search_api_views_update_7101_helper($options['sorts'], $fields);
}
}
}
if ($change) {
$view->save();
}
}
}
/**
* Helper function for replacing field identifiers.
*
* @return
* TRUE iff the identifier was changed.
*/
function _search_api_views_update_7101_helper(&$field, array $fields) {
if (is_array($field)) {
$change = FALSE;
$new_field = array();
foreach ($field as $k => $v) {
$new_k = $k;
$change |= _search_api_views_update_7101_helper($new_k, $fields);
$change |= _search_api_views_update_7101_helper($v, $fields);
$new_field[$new_k] = $v;
}
$field = $new_field;
return $change;
}
if (isset($fields[$field])) {
$field = $fields[$field];
return TRUE;
}
return FALSE;
}
/**
* Delete the now unnecessary "search_api_views_max_fields_depth" variable.
*/
function search_api_views_update_7102() {
variable_del('search_api_views_max_fields_depth');
}