1

dao/print_dao.go

@@ -79,7 +79,6 @@ func GetPrintersPage(db *sqlx.DB, appID int, printNo, name string, status, isOnl
 	}
 	sqlOther += " LIMIT ? OFFSET ?"
 	sqlParams = append(sqlParams, pageSize, offset)
-
 	var printers []model.Printer
 	if err = db.Select(&printers, sql+sqlOther, sqlParams...); err != nil {
 		return nil, err
@@ -88,6 +87,16 @@ func GetPrintersPage(db *sqlx.DB, appID int, printNo, name string, status, isOnl
 	return &model.PagedInfo{TotalCount: count, Data: printers}, err
 }
 
+func GetPrintIsUse(printNo string) (bool, error) {
+	sql := `SELECT * FROM printer WHERE  deleted_at = ? AND print_no = ?`
+	param := []interface{}{utils.DefaultTimeValue, printNo}
+	var result []*model.Printer
+	if err := globals.GetDB().Select(&result, sql, param...); err != nil {
+		return false, err
+	}
+	return len(result) == 1, nil
+}
+
 func GetPrintMessagesPage(db *sqlx.DB, printNo, msgID, beginAt, endAt string, offset, pageSize int) (page *model.PagedInfo, err error) {
 	var (
 		printMsgs          []*model.PrintMsg
@@ -229,20 +238,20 @@ func GetPrinter(db *sqlx.DB, printNo, iccID string) (printer *model.Printer, err
 }
 
 // GetPrintById 根据用户id和打印机编号获取打印机
-func GetPrintById(userId, printNo string) (bool, error) {
+func GetPrintById(userId, printNo string) (bool, *model.Printer, error) {
 	var printer []*model.Printer
 	sql := `SELECT * FROM printer WHERE print_no = ? AND user_id = ? AND deleted_at = ?`
 	if err := globals.GetDB().Select(&printer, sql, []interface{}{printNo, userId, utils.DefaultTimeValue}...); err != nil {
-		return false, err
+		return false, nil, err
 	}
 	if len(printer) != 1 {
-		return false, errors.New("用户打印机数据异常,联系管理员") // 打印机编号唯一
+		return false, nil, errors.New("用户打印机数据异常,联系管理员") // 打印机编号唯一
 	}
-	return true, nil
+	return true, printer[0], nil
 }
 
 // DeletePrinterMsg 删除打印机消息
-func DeletePrinterMsg(printNos []string) error {
-	_, err := globals.GetDB().Exec(`DELETE FROM print_msg WHERE print_no IN (?) `, []interface{}{printNos}...)
+func DeletePrinterMsg(printNos string) error {
+	_, err := globals.GetDB().Exec(`DELETE FROM print_msg WHERE print_no = ?`, []interface{}{printNos}...)
 	return err
 }