/**
* Alle Metafelder löschen, nicht das nach einem Import in der Parameter Tabelle
* noch Datensätze zu Feldern stehen, welche nicht als Spalten in der
* rex_article angelegt wurden!
*/
function rex_metainfo_cleanup($epOrParams)
{
$params = $epOrParams instanceof rex_extension_point ? $epOrParams->getParams() : $epOrParams;
// Cleanup nur durchführen, wenn auch die rex_article Tabelle neu angelegt wird
if (isset($params['force']) && $params['force'] != true && strpos($params['content'], 'CREATE TABLE `' . rex::getTablePrefix() . 'article`') === false && strpos($params['content'], 'CREATE TABLE ' . rex::getTablePrefix() . 'article') === false) {
return;
}
// check wheter tables exists
$tables = rex_sql::showTables();
if (!isset($tables[rex::getTablePrefix() . 'metainfo_field'])) {
return false;
}
// since this extension may be used also when the addon is not yet installed,
// require needed classes manually
require_once __DIR__ . '/../lib/table_manager.php';
$sql = rex_sql::factory();
$sql->setQuery('SELECT name FROM ' . rex::getTablePrefix() . 'metainfo_field');
for ($i = 0; $i < $sql->getRows(); ++$i) {
$prefix = rex_metainfo_meta_prefix($sql->getValue('name'));
$table = rex_metainfo_meta_table($prefix);
$tableManager = new rex_metainfo_table_manager($table);
$tableManager->deleteColumn($sql->getValue('name'));
$sql->next();
}
// evtl reste aufräumen
$tablePrefixes = ['article' => ['art_', 'cat_'], 'media' => ['med_'], 'clang' => ['clang_']];
foreach ($tablePrefixes as $table => $prefixes) {
$table = rex::getTablePrefix() . $table;
$tableManager = new rex_metainfo_table_manager($table);
foreach (rex_sql::showColumns($table) as $column) {
$column = $column['name'];
if (in_array(substr($column, 0, 4), $prefixes)) {
$tableManager->deleteColumn($column);
}
}
}
$sql = rex_sql::factory();
$sql->setQuery('DELETE FROM ' . rex::getTablePrefix() . 'metainfo_field');
}
function rex_metainfo_delete_field($fieldIdOrName)
{
// Löschen anhand der FieldId
if (is_int($fieldIdOrName)) {
$fieldQry = 'SELECT * FROM ' . rex::getTablePrefix() . 'metainfo_field WHERE id=:idOrName LIMIT 2';
$invalidField = rex_i18n::msg('minfo_field_error_invalid_fieldid');
} elseif (is_string($fieldIdOrName)) {
$fieldQry = 'SELECT * FROM ' . rex::getTablePrefix() . 'metainfo_field WHERE name=:idOrName LIMIT 2';
$invalidField = rex_i18n::msg('minfo_field_error_invalid_name');
} else {
throw new InvalidArgumentException('MetaInfos: Unexpected type for $fieldIdOrName!');
}
// Feld existiert?
$sql = rex_sql::factory();
$sql->setQuery($fieldQry, [':idOrName' => $fieldIdOrName]);
if ($sql->getRows() != 1) {
return $invalidField;
}
$name = $sql->getValue('name');
$field_id = $sql->getValue('id');
$prefix = rex_metainfo_meta_prefix($name);
$metaTable = rex_metainfo_meta_table($prefix);
// Spalte existiert?
$sql->setQuery('SELECT * FROM ' . $metaTable . ' LIMIT 1');
if (!in_array($name, $sql->getFieldnames())) {
return rex_i18n::msg('minfo_field_error_invalid_name');
}
$sql->setTable(rex::getTablePrefix() . 'metainfo_field');
$sql->setWhere(['id' => $field_id]);
$sql->delete();
$tableManager = new rex_metainfo_table_manager($metaTable);
return $tableManager->deleteColumn($name);
}
/**
* Extension to check whether the given media is still in use.
*
* @param rex_extension_point $ep
*
* @throws rex_exception
*
* @return string
*/
public static function isMediaInUse(rex_extension_point $ep)
{
$params = $ep->getParams();
$warning = $ep->getSubject();
$sql = rex_sql::factory();
$sql->setQuery('SELECT `name`, `type_id` FROM `' . rex::getTablePrefix() . 'metainfo_field` WHERE `type_id` IN(6,7)');
$rows = $sql->getRows();
if ($rows == 0) {
return $warning;
}
$where = ['articles' => [], 'media' => []];
$filename = addslashes($params['filename']);
for ($i = 0; $i < $rows; ++$i) {
$name = $sql->getValue('name');
if (rex_metainfo_meta_prefix($name) == self::PREFIX) {
$key = 'media';
} else {
$key = 'articles';
}
switch ($sql->getValue('type_id')) {
case '6':
$where[$key][] = $name . '="' . $filename . '"';
break;
case '7':
$where[$key][] = 'FIND_IN_SET("' . $filename . '", ' . $name . ')';
break;
default:
throw new rex_exception('Unexpected fieldtype "' . $sql->getValue('type_id') . '"!');
}
$sql->next();
}
$articles = '';
$categories = '';
if (!empty($where['articles'])) {
$sql->setQuery('SELECT id, clang_id, parent_id, name, catname, startarticle FROM ' . rex::getTablePrefix() . 'article WHERE ' . implode(' OR ', $where['articles']));
if ($sql->getRows() > 0) {
foreach ($sql->getArray() as $art_arr) {
$aid = $art_arr['id'];
$clang = $art_arr['clang_id'];
$parent_id = $art_arr['parent_id'];
if ($art_arr['startarticle']) {
$categories .= '<li><a href="javascript:openPage(\'' . rex_url::backendPage('structure', ['edit_id' => $aid, 'function' => 'edit_cat', 'category_id' => $parent_id, 'clang' => $clang]) . '\')">' . $art_arr['catname'] . '</a></li>';
} else {
$articles .= '<li><a href="javascript:openPage(\'' . rex_url::backendPage('content', ['article_id' => $aid, 'mode' => 'meta', 'clang' => $clang]) . '\')">' . $art_arr['name'] . '</a></li>';
}
}
if ($articles != '') {
$warning[] = rex_i18n::msg('minfo_media_in_use_art') . '<br /><ul>' . $articles . '</ul>';
}
if ($categories != '') {
$warning[] = rex_i18n::msg('minfo_media_in_use_cat') . '<br /><ul>' . $categories . '</ul>';
}
}
}
$media = '';
if (!empty($where['media'])) {
$sql->setQuery('SELECT id, filename, category_id FROM ' . rex::getTablePrefix() . 'media WHERE ' . implode(' OR ', $where['media']));
if ($sql->getRows() > 0) {
foreach ($sql->getArray() as $med_arr) {
$id = $med_arr['id'];
$filename = $med_arr['filename'];
$cat_id = $med_arr['category_id'];
$media .= '<li><a href="' . rex_url::backendPage('mediapool/detail', ['file_id' => $id, 'rex_file_category' => $cat_id]) . '">' . $filename . '</a></li>';
}
if ($media != '') {
$warning[] = rex_i18n::msg('minfo_media_in_use_med') . '<br /><ul>' . $media . '</ul>';
}
}
}
return $warning;
}
