$PBExportHeader$uo_getdbinfo.sru
forward
global type uo_getdbinfo from nonvisualobject
end type
end forward

global type uo_getdbinfo from nonvisualobject
end type
global uo_getdbinfo uo_getdbinfo

forward prototypes
public function integer set_superpsw (string arg_superpsw, ref string arg_msg)
public function integer set_dbinfo (transaction arg_transaction, integer arg_hisflag, integer arg_switchflag, ref string arg_msg)
public function integer get_dbinfo (transaction arg_transaction, ref integer arg_hisflag, ref string arg_superpsw, ref string arg_prg_id, ref string arg_cur_version, ref integer arg_switchflag, ref string arg_switchpsw, ref string arg_msg)
end prototypes

public function integer set_superpsw (string arg_superpsw, ref string arg_msg);//设定超级密码

int rslt = 1
arg_superpsw = f_psw_bczh(arg_superpsw ,0,sys_power_key)

String psw[],ls_psw
Long ls_i,it_mxt

DECLARE cur_scid CURSOR FOR
	SELECT u_user.psw
	FROM u_user  ;
OPEN cur_scid;
FETCH cur_scid INTO :ls_psw;
DO WHILE sqlca.SQLCode = 0
	it_mxt++
	psw[it_mxt] = ls_psw
	FETCH cur_scid INTO :ls_psw;
LOOP
close cur_scid;

for ls_i = 1 to it_mxt
	if arg_superpsw = psw[ls_i] then
		arg_msg ='设定的超级密码与用户密码相同'
		rslt = 0
		goto ext
	end if
next 

UPDATE sys_DB_version Set superpsw = :arg_superpsw;
IF sqlca.SQLCode <> 0 THEN
	arg_msg = '设定超级密码失败'
	rslt = 0
	goto ext
END IF

ext:
if rslt = 0 then 
	rollback;
elseif rslt = 1 then
	commit;
end if

return rslt



end function

public function integer set_dbinfo (transaction arg_transaction, integer arg_hisflag, integer arg_switchflag, ref string arg_msg);//设定数据库资料

Int rslt = 1,cnt
String ls_superpsw,ls_sys_prg_id,ls_sys_cur_version

ls_superpsw = f_psw_bczh(sys_superpsw,0,sys_power_key)
ls_sys_prg_id = f_psw_bczh(sys_prg_id,0,sys_power_key)
ls_sys_cur_version = f_psw_bczh(sys_Allow_version,0,sys_power_key)

INSERT INTO sys_DB_version
	(Prg_id,
	Ori_version,
	cur_version,
	Update_dt,
	superpsw,
	hisflag,
	switchflag
	)
	VALUES
	(:ls_sys_prg_id,
	:ls_sys_cur_version,
	:ls_sys_cur_version,
	getdate(),
	:ls_superpsw,
	:arg_hisflag,
	:arg_switchflag)
	USING arg_transaction;
	
IF arg_transaction.SQLCode <> 0 THEN
	arg_msg = '定义数据库资料失败'
	rslt = 0
	GOTO ext
END IF
COMMIT;
ext:
RETURN rslt

end function

public function integer get_dbinfo (transaction arg_transaction, ref integer arg_hisflag, ref string arg_superpsw, ref string arg_prg_id, ref string arg_cur_version, ref integer arg_switchflag, ref string arg_switchpsw, ref string arg_msg);//取数据库定义资料

Int rslt = 1,cnt
Int li_versiontype

SELECT count(*) INTO :cnt FROM sys_DB_version USING arg_transaction;
IF arg_transaction.SQLCode <> 0 THEN
	arg_msg = '查询数据库资料失败,请与龙嘉软件联系！'
	rslt = 0
	GOTO ext
END IF

IF cnt > 1 THEN
	arg_msg = '数据库资料被手动破坏,请与龙嘉软件联系！'
	rslt = 0
	GOTO ext
END IF

IF cnt = 0 THEN
	arg_msg = '数据还未有定义,请先定义数据库'
	rslt = -1
	GOTO ext
END IF


SELECT
sys_DB_version.prg_id,
sys_DB_version.hisflag,
sys_DB_version.superpsw,
sys_DB_version.cur_version,
sys_DB_version.switchflag,
sys_DB_version.switchpsw 
INTO   :arg_prg_id,
:arg_hisflag,
:arg_superpsw,
:arg_cur_version,
:arg_switchflag,
:arg_switchpsw 
FROM sys_DB_version
USING arg_transaction;
IF arg_transaction.SQLCode <> 0 THEN
	arg_msg = '查询当前数据库资料失败,请与龙嘉软件联系！'
	rslt = 0
	GOTO ext
END IF

arg_superpsw = f_psw_bczh(arg_superpsw,1,sys_power_key)
arg_prg_id = f_psw_bczh(arg_prg_id,1,sys_power_key)
arg_cur_version = f_psw_bczh(arg_cur_version,1,sys_power_key)
arg_switchpsw = f_psw_bczh(arg_switchpsw,1,sys_power_key)

IF arg_prg_id <> sys_prg_id THEN
	arg_msg = '数据库资料被恶意破坏或当前连接的数据库不是本系统的数据库,请与龙嘉软件联系！'
	rslt = 0
	GOTO ext
END IF

IF arg_cur_version < sys_Allow_version THEN
	arg_msg = '当前数据库资料版本太低不能应用新程序,请与龙嘉软件联系！'
	rslt = 0
	GOTO ext
END IF

IF arg_cur_version >= sys_Allow_version THEN
	IF arg_cur_version < sys_cur_version THEN
		arg_msg = '升级数据库版本'
		rslt = -2
		GOTO ext
	END IF
END IF

ext:
RETURN rslt






end function

on uo_getdbinfo.create
call super::create
TriggerEvent( this, "constructor" )
end on

on uo_getdbinfo.destroy
TriggerEvent( this, "destructor" )
call super::destroy
end on