gnucash/libgnucash/backend/sql/gnc-commodity-sql.cpp

252 lines
8.8 KiB
C++

/********************************************************************
* gnc-commodity-sql.c: load and save data to SQL *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License as *
* published by the Free Software Foundation; either version 2 of *
* the License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License*
* along with this program; if not, contact: *
* *
* Free Software Foundation Voice: +1-617-542-5942 *
* 51 Franklin Street, Fifth Floor Fax: +1-617-542-2652 *
* Boston, MA 02110-1301, USA gnu@gnu.org *
\********************************************************************/
/** @file gnc-commodity-sql.c
* @brief load and save data to SQL
* @author Copyright (c) 2006-2008 Phil Longstaff <plongstaff@rogers.com>
*
* This file implements the top-level QofBackend API for saving/
* restoring data to/from an SQL db
*/
#include <guid.hpp>
extern "C"
{
#include <config.h>
#include <glib.h>
#include "qof.h"
#include "gnc-commodity.h"
}
#include "gnc-sql-connection.hpp"
#include "gnc-sql-backend.hpp"
#include "gnc-sql-object-backend.hpp"
#include "gnc-sql-column-table-entry.hpp"
#include "gnc-commodity-sql.h"
#include "gnc-slots-sql.h"
#if defined( S_SPLINT_S )
#include "splint-defs.h"
#endif
static QofLogModule log_module = G_LOG_DOMAIN;
static gpointer get_quote_source_name (gpointer pObject);
static void set_quote_source_name (gpointer pObject, gpointer pValue);
#define COMMODITIES_TABLE "commodities"
#define TABLE_VERSION 1
#define COMMODITY_MAX_NAMESPACE_LEN 2048
#define COMMODITY_MAX_MNEMONIC_LEN 2048
#define COMMODITY_MAX_FULLNAME_LEN 2048
#define COMMODITY_MAX_CUSIP_LEN 2048
#define COMMODITY_MAX_QUOTESOURCE_LEN 2048
#define COMMODITY_MAX_QUOTE_TZ_LEN 2048
static const EntryVec col_table
{
gnc_sql_make_table_entry<CT_GUID>(
"guid", 0, COL_NNUL | COL_PKEY | COL_UNIQUE, "guid"),
gnc_sql_make_table_entry<CT_STRING>("namespace",
COMMODITY_MAX_NAMESPACE_LEN, COL_NNUL,
(QofAccessFunc)gnc_commodity_get_namespace,
(QofSetterFunc)gnc_commodity_set_namespace),
gnc_sql_make_table_entry<CT_STRING>(
"mnemonic", COMMODITY_MAX_MNEMONIC_LEN, COL_NNUL, "mnemonic"),
gnc_sql_make_table_entry<CT_STRING>(
"fullname", COMMODITY_MAX_FULLNAME_LEN, 0, "fullname"),
gnc_sql_make_table_entry<CT_STRING>(
"cusip", COMMODITY_MAX_CUSIP_LEN, 0, "cusip"),
gnc_sql_make_table_entry<CT_INT>("fraction", 0, COL_NNUL, "fraction"),
gnc_sql_make_table_entry<CT_BOOLEAN>(
"quote_flag", 0, COL_NNUL, "quote_flag"),
gnc_sql_make_table_entry<CT_STRING>("quote_source",
COMMODITY_MAX_QUOTESOURCE_LEN, 0,
(QofAccessFunc)get_quote_source_name,
set_quote_source_name),
gnc_sql_make_table_entry<CT_STRING>(
"quote_tz", COMMODITY_MAX_QUOTE_TZ_LEN, 0, "quote-tz"),
};
GncSqlCommodityBackend::GncSqlCommodityBackend() :
GncSqlObjectBackend(TABLE_VERSION, GNC_ID_COMMODITY,
COMMODITIES_TABLE, col_table) {}
/* ================================================================= */
static gpointer
get_quote_source_name (gpointer pObject)
{
const gnc_commodity* pCommodity;
g_return_val_if_fail (pObject != NULL, NULL);
g_return_val_if_fail (GNC_IS_COMMODITY (pObject), NULL);
pCommodity = GNC_COMMODITY (pObject);
return (gpointer)gnc_quote_source_get_internal_name (
gnc_commodity_get_quote_source (pCommodity));
}
static void
set_quote_source_name (gpointer pObject, gpointer pValue)
{
gnc_commodity* pCommodity;
const gchar* quote_source_name = (const gchar*)pValue;
gnc_quote_source* quote_source;
g_return_if_fail (pObject != NULL);
g_return_if_fail (GNC_IS_COMMODITY (pObject));
if (pValue == NULL) return;
pCommodity = GNC_COMMODITY (pObject);
quote_source = gnc_quote_source_lookup_by_internal (quote_source_name);
gnc_commodity_set_quote_source (pCommodity, quote_source);
}
static gnc_commodity*
load_single_commodity (GncSqlBackend* sql_be, GncSqlRow& row)
{
QofBook* pBook = sql_be->book();
gnc_commodity* pCommodity;
pCommodity = gnc_commodity_new (pBook, NULL, NULL, NULL, NULL, 100);
gnc_commodity_begin_edit (pCommodity);
gnc_sql_load_object (sql_be, row, GNC_ID_COMMODITY, pCommodity, col_table);
gnc_commodity_commit_edit (pCommodity);
return pCommodity;
}
void
GncSqlCommodityBackend::load_all (GncSqlBackend* sql_be)
{
gnc_commodity_table* pTable;
pTable = gnc_commodity_table_get_table (sql_be->book());
std::string sql("SELECT * FROM " COMMODITIES_TABLE);
auto stmt = sql_be->create_statement_from_sql(sql);
auto result = sql_be->execute_select_statement(stmt);
for (auto row : *result)
{
auto pCommodity = load_single_commodity (sql_be, row);
if (pCommodity != NULL)
{
GncGUID guid;
guid = *qof_instance_get_guid (QOF_INSTANCE (pCommodity));
pCommodity = gnc_commodity_table_insert (pTable, pCommodity);
if (qof_instance_is_dirty (QOF_INSTANCE (pCommodity)))
sql_be->commodity_for_postload_processing(pCommodity);
qof_instance_set_guid (QOF_INSTANCE (pCommodity), &guid);
}
}
std::string pkey(col_table[0]->name());
sql = "SELECT DISTINCT ";
sql += pkey + " FROM " COMMODITIES_TABLE;
gnc_sql_slots_load_for_sql_subquery (sql_be, sql,
(BookLookupFn)gnc_commodity_find_commodity_by_guid);
}
/* ================================================================= */
static gboolean
do_commit_commodity (GncSqlBackend* sql_be, QofInstance* inst,
gboolean force_insert)
{
const GncGUID* guid;
gboolean is_infant;
E_DB_OPERATION op;
gboolean is_ok;
is_infant = qof_instance_get_infant (inst);
if (qof_instance_get_destroying (inst))
{
op = OP_DB_DELETE;
}
else if (sql_be->pristine() || is_infant || force_insert)
{
op = OP_DB_INSERT;
}
else
{
op = OP_DB_UPDATE;
}
is_ok = sql_be->do_db_operation(op, COMMODITIES_TABLE, GNC_ID_COMMODITY,
inst, col_table);
if (is_ok)
{
// Now, commit any slots
guid = qof_instance_get_guid (inst);
if (!qof_instance_get_destroying (inst))
{
is_ok = gnc_sql_slots_save (sql_be, guid, is_infant, inst);
}
else
{
is_ok = gnc_sql_slots_delete (sql_be, guid);
}
}
return is_ok;
}
bool
GncSqlCommodityBackend::commit (GncSqlBackend* sql_be, QofInstance* inst)
{
g_return_val_if_fail (sql_be != NULL, FALSE);
g_return_val_if_fail (inst != NULL, FALSE);
g_return_val_if_fail (GNC_IS_COMMODITY (inst), FALSE);
auto in_be = instance_in_db(sql_be, inst);
return do_commit_commodity (sql_be, inst, !in_be);
}
/* ----------------------------------------------------------------- */
template<> void
GncSqlColumnTableEntryImpl<CT_COMMODITYREF>::load (const GncSqlBackend* sql_be,
GncSqlRow& row,
QofIdTypeConst obj_name,
gpointer pObject) const noexcept
{
load_from_guid_ref(row, obj_name, pObject,
[sql_be](GncGUID* g){
return gnc_commodity_find_commodity_by_guid(g, sql_be->book());
});
}
template<> void
GncSqlColumnTableEntryImpl<CT_COMMODITYREF>::add_to_table(ColVec& vec) const noexcept
{
add_objectref_guid_to_table(vec);
}
template<> void
GncSqlColumnTableEntryImpl<CT_COMMODITYREF>::add_to_query(QofIdTypeConst obj_name,
const gpointer pObject,
PairVec& vec) const noexcept
{
add_objectref_guid_to_query(obj_name, pObject, vec);
}
/* ========================== END OF FILE ===================== */