/**
* Sets a column to be a file upload column
*
* Configuring a column to be a file upload column means that whenever
* fActiveRecord::populate() is called for an fActiveRecord object, any
* appropriately named file uploads (via `$_FILES`) will be moved into
* the directory for this column.
*
* Setting the column to a file path will cause the specified file to
* be copied into the directory for this column.
*
* @param mixed $class The class name or instance of the class
* @param string $column The column to set as a file upload column
* @param fDirectory|string $directory The directory to upload/move to
* @return void
*/
public static function configureFileUploadColumn($class, $column, $directory)
{
$class = fORM::getClass($class);
$table = fORM::tablize($class);
$schema = fORMSchema::retrieve($class);
$data_type = $schema->getColumnInfo($table, $column, 'type');
$valid_data_types = array('varchar', 'char', 'text');
if (!in_array($data_type, $valid_data_types)) {
throw new fProgrammerException('The column specified, %1$s, is a %2$s column. Must be one of %3$s to be set as a file upload column.', $column, $data_type, join(', ', $valid_data_types));
}
if (!is_object($directory)) {
$directory = new fDirectory($directory);
}
if (!$directory->isWritable()) {
throw new fEnvironmentException('The file upload directory, %s, is not writable', $directory->getPath());
}
$camelized_column = fGrammar::camelize($column, TRUE);
fORM::registerActiveRecordMethod($class, 'upload' . $camelized_column, self::upload);
fORM::registerActiveRecordMethod($class, 'set' . $camelized_column, self::set);
fORM::registerActiveRecordMethod($class, 'encode' . $camelized_column, self::encode);
fORM::registerActiveRecordMethod($class, 'prepare' . $camelized_column, self::prepare);
fORM::registerReflectCallback($class, self::reflect);
fORM::registerInspectCallback($class, $column, self::inspect);
fORM::registerReplicateCallback($class, $column, self::replicate);
fORM::registerObjectifyCallback($class, $column, self::objectify);
$only_once_hooks = array('post-begin::delete()' => self::begin, 'pre-commit::delete()' => self::delete, 'post-commit::delete()' => self::commit, 'post-rollback::delete()' => self::rollback, 'post::populate()' => self::populate, 'post-begin::store()' => self::begin, 'post-validate::store()' => self::moveFromTemp, 'pre-commit::store()' => self::deleteOld, 'post-commit::store()' => self::commit, 'post-rollback::store()' => self::rollback, 'post::validate()' => self::validate);
foreach ($only_once_hooks as $hook => $callback) {
if (!fORM::checkHookCallback($class, $hook, $callback)) {
fORM::registerHookCallback($class, $hook, $callback);
}
}
if (empty(self::$file_upload_columns[$class])) {
self::$file_upload_columns[$class] = array();
}
self::$file_upload_columns[$class][$column] = $directory;
}