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services/print_server/app_server/print_bill.go

@@ -0,0 +1,49 @@
+package app_server
+
+import (
+	"fmt"
+	"git.rosy.net.cn/jx-print/dao"
+	"git.rosy.net.cn/jx-print/model/app_model"
+	"github.com/jmoiron/sqlx"
+)
+
+type PrintBill struct {
+}
+
+var PrintBillServer = new(PrintBill)
+
+// InitPPrintBill 初始化打印机账户
+func (p *PrintBill) InitPPrintBill(tx *sqlx.Tx, bill *app_model.PrintBill) error {
+	// 查询打印机是否有账户,没有添加
+	result, err := dao.QueryPrintBill("", bill.PrintNo)
+	if err != nil {
+		return err
+	}
+
+	// 无打印机账户信息,初始化打印机账户
+	if len(result) == 0 {
+		if err := dao.InitPrintBill(tx, bill); err != nil {
+			return err
+		}
+	} else if len(result) == 1 {
+		if err := dao.UpdateBillToUser(tx, bill); err != nil {
+			return err
+		}
+	} else {
+		return fmt.Errorf("打印机账户余额数据不唯一,联系管理员")
+	}
+
+	return nil
+}
+
+// QueryPrintBill 查询打印机余额
+func (p *PrintBill) QueryPrintBill(userId, printNo string) (*app_model.PrintBill, error) {
+	result, err := dao.QueryPrintBill(userId, printNo)
+	if err != nil {
+		return nil, err
+	}
+	if len(result) != 1 {
+		return nil, fmt.Errorf("打印机账户异常,不唯一或者未添加,请联系管理员")
+	}
+	return result[0], nil
+}