145 lines
3.8 KiB
C++
145 lines
3.8 KiB
C++
/*
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* This file is a part of morm
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* and is distributed under the 2-Clause BSD licence.
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* Author: Tomasz Sowa <t.sowa@ttmath.org>
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*/
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/*
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* Copyright (c) 2018, Tomasz Sowa
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef headerfile_morm_model
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#define headerfile_morm_model
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#include <string>
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#include "textstream/textstream.h"
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#include "modelconnector.h"
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namespace morm
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{
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class Model
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{
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public:
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void set_connector(ModelConnector & connector);
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/*
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* map fields to names
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*
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*
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*/
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virtual void map_fields() = 0;
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/*
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*
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* we can use the object for a different purpose than database (e.g. json)
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* so let the table_name be non pure-virtual
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*
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*/
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virtual void table_name(PT::TextStream & stream);
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virtual void to_text(PT::TextStream & stream, bool clear_stream = true);
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virtual void to_text(std::string & str, bool clear_string = true);
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virtual std::string to_text();
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virtual std::string to_string();
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virtual void generate_insert_query(PT::TextStream & stream);
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virtual void insert();
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virtual void generate_update_query(PT::TextStream & stream);
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virtual void update();
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virtual void set_object_exists(bool object_exists);
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virtual bool object_exists();
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virtual bool found();
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// set object to default values
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virtual void clear();
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protected:
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ModelConnector * model_connector;
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bool morm_object_exists;
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Model();
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virtual ~Model();
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virtual void before_select();
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virtual void before_insert();
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virtual void before_update();
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virtual void after_select();
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virtual void after_insert();
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virtual void after_update();
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template<typename FieldValue>
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void field(const wchar_t * field_name, FieldValue & field_value, bool insertable = true, bool updatable = true, bool is_primary_key = false)
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{
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if( model_connector )
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{
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model_connector->field(field_name, field_value, insertable, updatable, is_primary_key);
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}
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}
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template<typename ModelClass>
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void field_list(const wchar_t * field_name, std::list<ModelClass> & field_list, bool insertable = true, bool updatable = true, bool is_primary_key = false)
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{
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if( model_connector )
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{
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model_connector->field_list(field_name, field_list, insertable, updatable, is_primary_key);
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}
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}
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template<typename FieldValue>
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void get_last_sequence(const wchar_t * sequence_table_name, FieldValue & field_value)
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{
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if( model_connector )
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{
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model_connector->get_last_sequence(sequence_table_name, field_value);
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}
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}
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//void field(const wchar_t * field_name, Model & field, bool insertable = true, bool updatable = true);
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template<typename ModelClass> friend class Finder;
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friend class ModelConnector;
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};
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} // namespace
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#endif
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