ALTER PROCEDURE [dbo].[TR_REQUEST_DOC_Del]
@REQ_ID	varchar(15)
AS
	DECLARE @ERRORSYS NVARCHAR(15) = '' 
	IF ( NOT EXISTS ( SELECT * FROM TR_REQUEST_DOC WHERE  REQ_ID= @REQ_ID))
		SET @ERRORSYS = 'REQ-00002'
	IF @ERRORSYS <> ''
	BEGIN
		SELECT ErrorCode Result, ErrorDesc ErrorDesc FROM SYS_ERROR WHERE ErrorCode = @ERRORSYS 
		RETURN '0'
	END
BEGIN TRANSACTION
	IF(EXISTS(SELECT * FROM TR_REQUEST_DOC WHERE REQ_ID =@REQ_ID  AND AUTH_STATUS <>'E'))
	BEGIN
		ROLLBACK TRANSACTION
		SELECT '-1' as Result,N'Bạn không được phép xóa phiếu mua sắm số: '+(SELECT TOP 1 REQ_CODE FROM TR_REQUEST_DOC WHERE REQ_ID =@REQ_ID) +N'. Bạn chỉ được phép xóa những phiếu đang có tình trạng lưu nháp' ErrorDesc
		RETURN '-1'
	END
	IF( (SELECT AUTH_STATUS FROM TR_REQUEST_DOC WHERE  REQ_ID= @REQ_ID) = 'A')
	BEGIN
		UPDATE TR_REQUEST_DOC SET RECORD_STATUS = '0'
		WHERE  REQ_ID= @REQ_ID
		IF @@Error <> 0 GOTO ABORT
		--UPDATE DETAIL
		UPDATE TR_REQUEST_DOC_DT SET RECORD_STATUS = '0' WHERE REQ_DOC_ID = @REQ_ID
	END
	ELSE
	BEGIN
		DELETE FROM TR_REQUEST_DOC WHERE  REQ_ID= @REQ_ID
		DELETE FROM TR_REQUEST_DOC_DT WHERE REQ_DOC_ID=@REQ_ID
		DELETE FROM TR_REQUEST_COSTCENTER WHERE REQ_ID=@REQ_ID
		IF @@Error <> 0 GOTO ABORT
	END
COMMIT TRANSACTION
SELECT '0' as Result, '' ErrorDesc
RETURN '0'

ABORT:
BEGIN
		ROLLBACK TRANSACTION
		SELECT '-1' as Result, '' ErrorDesc
		RETURN '-1'
End