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gyro/core/behaviour/commands/generics/massdelete.cmd.php

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<?php
/**
 * Executes a mass delete
 * 
 * - Instance must be a type string
 *  - Params are set as "WHERE $field = $value" when key values pairs
 *  - IF params are DBWhereObject they get added directly  
 *  
 * @author Gerd Riesselmann
 * @ingroup Behaviour
 */
class MassDeleteCommand extends CommandTransactional {
        /**
         * Executes commands
         * 
         * @return Status
         */
        protected function do_execute() {
                $ret = new Status();
                $o = DB::create($this->get_instance());
                if ($o) {
                        foreach(Arr::force($this->get_params(), false) as $key => $value) {
                                if ($value instanceof IDBWhere) {
                                        $o->add_where_object($value);
                                }
                                else if ($value instanceof DBCondition) {
                                        $o->add_where($value->column, $value->operator, $value->value);
                                }
                                else if (is_int($key)) {
                                        $o->add_where($value);
                                }
                                else {
                                        $o->add_where($key, '=', $value);
                                }
                        }
                        $ret->merge($o->delete(DataObjectBase::WHERE_ONLY));
                }
                else {
                        $ret->append(tr('Delete Command: No valid instance type set', 'core'));
                }
                return $ret;
        }       
}

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