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bf55c30aeb
There are a very few left that need deeper study, but this gets rid of most of the noise. For the most part it's just getting rid of extra variables or removing an assignment that is always replaced later but before any reads of the variable. A few are discarded result variables.
263 lines
7.9 KiB
C++
263 lines
7.9 KiB
C++
/********************************************************************\
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* gnc-employee-sql.c -- employee sql implementation *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License as *
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* published by the Free Software Foundation; either version 2 of *
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* the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License*
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* along with this program; if not, contact: *
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* *
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* Free Software Foundation Voice: +1-617-542-5942 *
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* 51 Franklin Street, Fifth Floor Fax: +1-617-542-2652 *
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* Boston, MA 02110-1301, USA gnu@gnu.org *
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* *
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\********************************************************************/
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/** @file gnc-employee-sql.c
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* @brief load and save address data to SQL
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* @author Copyright (c) 2007-2008 Phil Longstaff <plongstaff@rogers.com>
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*
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* This file implements the top-level QofBackend API for saving/
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* restoring data to/from an SQL database
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*/
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extern "C"
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{
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#include <config.h>
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#include <glib.h>
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#include <stdlib.h>
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#include <string.h>
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#include "gnc-commodity.h"
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#include "gncEmployeeP.h"
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}
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#include "gnc-sql-connection.hpp"
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#include "gnc-sql-backend.hpp"
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#include "gnc-sql-object-backend.hpp"
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#include "gnc-sql-column-table-entry.hpp"
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#include "gnc-slots-sql.h"
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#include "gnc-commodity-sql.h"
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#include "gnc-employee-sql.h"
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#define _GNC_MOD_NAME GNC_ID_EMPLOYEE
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static QofLogModule log_module = G_LOG_DOMAIN;
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#define MAX_USERNAME_LEN 2048
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#define MAX_ID_LEN 2048
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#define MAX_LANGUAGE_LEN 2048
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#define MAX_ACL_LEN 2048
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#define TABLE_NAME "employees"
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#define TABLE_VERSION 2
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static EntryVec col_table
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({
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gnc_sql_make_table_entry<CT_GUID>("guid", 0, COL_NNUL | COL_PKEY, "guid"),
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gnc_sql_make_table_entry<CT_STRING>(
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"username", MAX_USERNAME_LEN, COL_NNUL, "username"),
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gnc_sql_make_table_entry<CT_STRING>("id", MAX_ID_LEN, COL_NNUL, "id"),
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gnc_sql_make_table_entry<CT_STRING>(
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"language", MAX_LANGUAGE_LEN, COL_NNUL, "language"),
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gnc_sql_make_table_entry<CT_STRING>("acl", MAX_ACL_LEN, COL_NNUL, "acl"),
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gnc_sql_make_table_entry<CT_BOOLEAN>("active", 0, COL_NNUL, "active"),
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gnc_sql_make_table_entry<CT_COMMODITYREF>(
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"currency", 0, COL_NNUL, "currency"),
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gnc_sql_make_table_entry<CT_ACCOUNTREF>(
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"ccard_guid", 0, 0, "credit-card-account"),
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gnc_sql_make_table_entry<CT_NUMERIC>("workday", 0, COL_NNUL, "workday"),
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gnc_sql_make_table_entry<CT_NUMERIC>("rate", 0, COL_NNUL, "rate"),
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gnc_sql_make_table_entry<CT_ADDRESS>("addr", 0, 0, "address"),
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});
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GncSqlEmployeeBackend::GncSqlEmployeeBackend() :
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GncSqlObjectBackend(TABLE_VERSION, GNC_ID_EMPLOYEE,
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TABLE_NAME, col_table) {}
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static GncEmployee*
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load_single_employee (GncSqlBackend* sql_be, GncSqlRow& row)
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{
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const GncGUID* guid;
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GncEmployee* pEmployee;
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g_return_val_if_fail (sql_be != NULL, NULL);
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guid = gnc_sql_load_guid (sql_be, row);
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pEmployee = gncEmployeeLookup (sql_be->book(), guid);
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if (pEmployee == NULL)
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{
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pEmployee = gncEmployeeCreate (sql_be->book());
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}
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gnc_sql_load_object (sql_be, row, GNC_ID_EMPLOYEE, pEmployee, col_table);
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qof_instance_mark_clean (QOF_INSTANCE (pEmployee));
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return pEmployee;
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}
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/* Because gncCustomerLookup has the arguments backwards: */
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static inline GncEmployee*
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gnc_employee_lookup (const GncGUID *guid, const QofBook *book)
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{
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QOF_BOOK_RETURN_ENTITY(book, guid, GNC_ID_EMPLOYEE, GncEmployee);
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}
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void
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GncSqlEmployeeBackend::load_all (GncSqlBackend* sql_be)
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{
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g_return_if_fail (sql_be != NULL);
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std::string sql("SELECT * FROM " TABLE_NAME);
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auto stmt = sql_be->create_statement_from_sql(sql);
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auto result = sql_be->execute_select_statement(stmt);
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for (auto row : *result)
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load_single_employee (sql_be, row);
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std::string pkey(col_table[0]->name());
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sql = "SELECT DISTINCT ";
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sql += pkey + " FROM " TABLE_NAME;
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gnc_sql_slots_load_for_sql_subquery (sql_be, sql,
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(BookLookupFn)gnc_employee_lookup);
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}
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/* ================================================================= */
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void
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GncSqlEmployeeBackend::create_tables (GncSqlBackend* sql_be)
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{
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gint version;
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g_return_if_fail (sql_be != NULL);
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version = sql_be->get_table_version( TABLE_NAME);
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if (version == 0)
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{
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sql_be->create_table(TABLE_NAME, TABLE_VERSION, col_table);
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}
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else if (version < m_version)
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{
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/* Upgrade 64 bit int handling */
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sql_be->upgrade_table(TABLE_NAME, col_table);
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sql_be->set_table_version (TABLE_NAME, TABLE_VERSION);
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PINFO ("Employees table upgraded from version 1 to version %d\n",
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TABLE_VERSION);
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}
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}
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/* ================================================================= */
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bool
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GncSqlEmployeeBackend::commit (GncSqlBackend* sql_be, QofInstance* inst)
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{
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GncEmployee* emp;
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const GncGUID* guid;
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E_DB_OPERATION op;
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gboolean is_infant;
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gboolean is_ok = TRUE;
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g_return_val_if_fail (inst != NULL, FALSE);
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g_return_val_if_fail (GNC_IS_EMPLOYEE (inst), FALSE);
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g_return_val_if_fail (sql_be != NULL, FALSE);
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emp = GNC_EMPLOYEE (inst);
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is_infant = qof_instance_get_infant (inst);
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if (qof_instance_get_destroying (inst))
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{
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op = OP_DB_DELETE;
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}
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else if (sql_be->pristine() || is_infant)
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{
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op = OP_DB_INSERT;
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}
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else
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{
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op = OP_DB_UPDATE;
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}
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if (op != OP_DB_DELETE)
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{
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// Ensure the commodity is in the db
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is_ok = sql_be->save_commodity(gncEmployeeGetCurrency (emp));
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}
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if (is_ok)
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{
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is_ok = sql_be->do_db_operation(op, TABLE_NAME, GNC_ID_EMPLOYEE, emp,
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col_table);
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}
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if (is_ok)
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{
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// Now, commit or delete any slots
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guid = qof_instance_get_guid (inst);
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if (!qof_instance_get_destroying (inst))
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{
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is_ok = gnc_sql_slots_save (sql_be, guid, is_infant, inst);
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}
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else
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{
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is_ok = gnc_sql_slots_delete (sql_be, guid);
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}
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}
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return is_ok;
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}
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/* ================================================================= */
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static gboolean
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employee_should_be_saved (GncEmployee* employee)
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{
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const char* id;
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g_return_val_if_fail (employee != NULL, FALSE);
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/* make sure this is a valid employee before we save it -- should have an ID */
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id = gncEmployeeGetID (employee);
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if (id == NULL || *id == '\0')
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{
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return FALSE;
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}
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return TRUE;
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}
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static void
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write_single_employee (QofInstance* term_p, gpointer data_p)
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{
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write_objects_t* s = (write_objects_t*)data_p;
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g_return_if_fail (term_p != NULL);
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g_return_if_fail (GNC_IS_EMPLOYEE (term_p));
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g_return_if_fail (data_p != NULL);
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if (s->is_ok && employee_should_be_saved (GNC_EMPLOYEE (term_p)))
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{
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s->is_ok = s->obe->commit (s->be, term_p);
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}
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}
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bool
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GncSqlEmployeeBackend::write (GncSqlBackend* sql_be)
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{
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write_objects_t data;
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g_return_val_if_fail (sql_be != NULL, FALSE);
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data.be = sql_be;
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data.is_ok = TRUE;
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data.obe = this;
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qof_object_foreach (GNC_ID_EMPLOYEE, sql_be->book(), write_single_employee, &data);
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return data.is_ok;
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}
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/* ========================== END OF FILE ===================== */
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