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added: Model::ModelData base class to use with Finder, Model.update(), Model.insert() and Model.remove()

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added: Model.add_field_for_select() method 




git-svn-id: svn://ttmath.org/publicrep/morm/trunk@1092 e52654a7-88a9-db11-a3e9-0013d4bc506e
This commit is contained in:
Tomasz Sowa
2018-04-22 21:04:50 +00:00
parent 4c0d203fc8
commit fd1cc7debe
11 changed files with 287 additions and 63 deletions
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84
src/model.h
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@@ -51,6 +51,14 @@ class Model
{
public:
class ModelData
{
public:
ModelData() {}
virtual ~ModelData() {}
};
enum SaveMode
{
DO_INSERT_ON_SAVE,
@@ -103,15 +111,19 @@ public:
virtual std::string to_string();
virtual void generate_insert_query(PT::TextStream & stream);
virtual void insert();
virtual bool insert(ModelData * model_data = nullptr);
virtual bool insert(ModelData & model_data);
virtual void generate_update_query(PT::TextStream & stream);
virtual void update();
virtual bool update(ModelData * model_data = nullptr);
virtual bool update(ModelData & model_data);
virtual void generate_remove_query(PT::TextStream & stream);
virtual void remove();
virtual bool remove(ModelData * model_data = nullptr);
virtual bool remove(ModelData & model_data);
virtual void save();
virtual bool save(ModelData * model_data = nullptr);
virtual bool save(ModelData & model_data);
// set object to default values
@@ -122,6 +134,7 @@ protected:
ModelConnector * model_connector;
SaveMode save_mode;
ModelData * model_data;
Model();
virtual ~Model();
@@ -148,7 +161,34 @@ protected:
{
if( model_connector )
{
model_connector->field(field_name, field_value, insertable, updatable, is_primary_key);
model_connector->field(field_name, field_name, field_value, insertable, updatable, is_primary_key);
}
}
template<typename FieldValue>
void field(const wchar_t * db_field_name, const wchar_t * flat_field_name, FieldValue & field_value, bool insertable = true, bool updatable = true, bool is_primary_key = false)
{
if( model_connector )
{
model_connector->field(db_field_name, flat_field_name, field_value, insertable, updatable, is_primary_key);
}
}
template<typename FieldValue>
void field(const PT::TextStream & field_name, FieldValue & field_value, bool insertable = true, bool updatable = true, bool is_primary_key = false)
{
if( model_connector )
{
model_connector->field(field_name, field_name, field_value, insertable, updatable, is_primary_key);
}
}
template<typename FieldValue>
void field(const PT::TextStream & db_field_name, const PT::TextStream & flat_field_name, FieldValue & field_value, bool insertable = true, bool updatable = true, bool is_primary_key = false)
{
if( model_connector )
{
model_connector->field(db_field_name, flat_field_name, field_value, insertable, updatable, is_primary_key);
}
}
@@ -170,10 +210,44 @@ protected:
}
}
template<typename FieldValue>
void add_field_for_select(const wchar_t * new_column_expression, const wchar_t * new_column_name, const wchar_t * flat_field_name, FieldValue & field_value)
{
if( model_connector )
{
if( get_connector_mode() == MORM_MODEL_CONNECTOR_MODE_GENERATING_DB_SQL )
{
model_connector->add_field_for_select(new_column_expression, new_column_name, field_value);
}
else
if( get_connector_mode() == MORM_MODEL_CONNECTOR_MODE_GENERATING_FLAT_STRING )
{
model_connector->field(L"", flat_field_name, field_value, false, false, false);
}
else
if( get_connector_mode() == MORM_MODEL_CONNECTOR_MODE_READING_VALUE_FROM_DB_RESULTSET )
{
model_connector->field(new_column_name, L"", field_value, false, false, false);
}
else
if( get_connector_mode() == MORM_MODEL_CONNECTOR_MODE_CLEARING_VALUE )
{
model_connector->field(L"", L"", field_value, false, false, false); // the names don't matter here
}
}
}
template<typename FieldValue>
void add_field_for_select(const wchar_t * new_column_expression, const wchar_t * new_column_name, FieldValue & field_value)
{
add_field_for_select(new_column_expression, new_column_name, new_column_name, field_value);
}
//void field(const wchar_t * field_name, Model & field, bool insertable = true, bool updatable = true);
template<typename ModelClass> friend class Finder;
friend class ModelConnector;
};
} // namespace