/* * This file is a part of morm * and is distributed under the 2-Clause BSD licence. * Author: Tomasz Sowa */ /* * Copyright (c) 2018, Tomasz Sowa * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * */ #include "model.h" namespace morm { Model::Model() { model_connector = nullptr; model_data = nullptr; save_mode = DO_INSERT_ON_SAVE; } Model::~Model() { } void Model::set_save_mode(SaveMode save_mode) { this->save_mode = save_mode; } Model::SaveMode Model::get_save_mode() { return save_mode; } void Model::mark_to_delete() { save_mode = DO_DELETE_ON_SAVE; } void Model::mark_to_remove() { save_mode = DO_DELETE_ON_SAVE; } void Model::mark_to_insert() { save_mode = DO_INSERT_ON_SAVE; } void Model::mark_to_update() { save_mode = DO_UPDATE_ON_SAVE; } bool Model::was_db_error() { if( model_connector ) { return model_connector->was_db_error(); } return false; } std::wstring Model::get_db_error() { if( model_connector ) { return model_connector->get_db_error(); } return std::wstring(); } void Model::table_name(PT::TextStream & stream) { } void Model::set_connector(ModelConnector & connector) { model_connector = &connector; } void Model::set_connector(ModelConnector * connector) { model_connector = connector; } bool Model::object_exists() { return save_mode == DO_UPDATE_ON_SAVE; } bool Model::found() { return save_mode == DO_UPDATE_ON_SAVE; } void Model::to_text(PT::TextStream & stream, bool clear_stream) { if( clear_stream ) { stream.clear(); } if( model_connector ) { model_connector->to_text(stream, *this); } } void Model::to_text(std::string & str, bool clear_string) { PT::TextStream stream; to_text(stream, false); stream.to_string(str, clear_string); } std::string Model::to_text() { std::string str; to_text(str); return str; } std::string Model::to_string() { return to_text(); } void Model::generate_insert_query(PT::TextStream & stream) { if( model_connector ) { model_connector->generate_insert_query(stream, *this); } } bool Model::insert(ModelData * model_data) { bool result = false; if( model_connector ) { this->model_data = model_data; if( model_connector->insert(*this) ) { save_mode = DO_UPDATE_ON_SAVE; // IMPROVE ME check if there is a primary key result = true; } this->model_data = nullptr; } return result; } bool Model::insert(ModelData & model_data) { return insert(&model_data); } void Model::generate_update_query(PT::TextStream & stream) { if( model_connector ) { model_connector->generate_update_query(stream, *this); } } bool Model::update(ModelData * model_data) { bool result = false; if( model_connector ) { this->model_data = model_data; result = model_connector->update(*this); this->model_data = nullptr; } return result; } bool Model::update(ModelData & model_data) { return update(&model_data); } void Model::generate_remove_query(PT::TextStream & stream) { if( model_connector ) { model_connector->generate_remove_query(stream, *this); } } bool Model::remove(ModelData * model_data) { bool result = false; if( model_connector ) { this->model_data = model_data; if( model_connector->remove(*this) ) { save_mode = DO_INSERT_ON_SAVE; result = true; } this->model_data = nullptr; } return result; } bool Model::remove(ModelData & model_data) { return remove(&model_data); } bool Model::save(ModelData * model_data) { bool result = false; switch( save_mode ) { case DO_DELETE_ON_SAVE: result = remove(model_data); break; case DO_INSERT_ON_SAVE: result = insert(model_data); break; case DO_UPDATE_ON_SAVE: result = update(model_data); break; case DO_NOTHING_ON_SAVE: // may return true? break; } return result; } bool Model::save(ModelData & model_data) { return save(&model_data); } void Model::clear() { if( model_connector ) { model_connector->clear_values(*this); } save_mode = DO_INSERT_ON_SAVE; model_data = nullptr; } void Model::before_select() { } void Model::before_insert() { } void Model::before_update() { } void Model::before_remove() { } void Model::after_select() { } void Model::after_insert() { } void Model::after_update() { } void Model::after_remove() { } void Model::after_select_failure() { } void Model::after_insert_failure() { } void Model::after_update_failure() { } void Model::after_remove_failure() { } int Model::get_connector_mode() { if( model_connector ) { return model_connector->get_connector_mode(); } return MORM_MODEL_CONNECTOR_MODE_NONE; } } // namespace