清空打印队列

business/jxstore/cms/print.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"git.rosy.net.cn/jx-callback/business/model"
 	"git.rosy.net.cn/jx-callback/business/model/dao"
+	"time"
 )
 
 func AddPrinter(appID int, printNo, printKey, name string) (err error) {
@@ -58,3 +59,22 @@ func UpdatePrinter(appID int, printNo, name string) (err error) {
 	}
 	return err
 }
+
+func DelPrinterSeq(appID int, printNo string) (err error) {
+	var (
+		db = dao.GetDB()
+	)
+	//看有没有
+	if printers, _ := dao.GetPrinters(db, appID, printNo); len(printers) == 0 {
+		return fmt.Errorf("该应用下未找到该打印机！print_no : %v", printNo)
+	} else {
+		printMsgs, _ := dao.GetPrintMsgs(db, printNo)
+		for _, v := range printMsgs {
+			v.DeletedAt = time.Now()
+			if _, err = dao.UpdateEntity(db, v, "DeletedAt"); err != nil {
+				return err
+			}
+		}
+	}
+	return err
+}

business/model/dao/dao_print.go

@@ -25,3 +25,20 @@ func GetPrinters(db *DaoDB, appID int, printNo string) (printers []*model.Printe
 	err = GetRows(db, &printers, sql, sqlParams)
 	return printers, err
 }
+
+func GetPrintMsgs(db *DaoDB, printNo string) (printMsgs []*model.PrintMsg, err error) {
+	sql := `
+		SELECT *
+		  FROM print_msg
+         WHERE 1 = 1 AND deleted_at = ? AND status = ?
+	`
+	sqlParams := []interface{}{
+		utils.DefaultTimeValue, model.PrinterStatusNormal,
+	}
+	if printNo != "" {
+		sql += " AND print_no = ?"
+		sqlParams = append(sqlParams, printNo)
+	}
+	err = GetRows(db, &printMsgs, sql, sqlParams)
+	return printMsgs, err
+}