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dao/print_bill.go

@@ -0,0 +1,49 @@
+package dao
+
+import (
+	"git.rosy.net.cn/jx-print/globals"
+	"git.rosy.net.cn/jx-print/model/app_model"
+	"github.com/jmoiron/sqlx"
+)
+
+// QueryPrintBill 查询打印机账户是否存在
+func QueryPrintBill(userId, printNo string) ([]*app_model.PrintBill, error) {
+	sql := `SELECT * FROM print_bill WHERE 1 = 1  `
+	var param []interface{}
+	if userId != "" {
+		sql += ` AND user_id = ? `
+		param = append(param, userId)
+	}
+	if printNo != "" {
+		sql += ` AND print_no = ? `
+		param = append(param, printNo)
+	}
+
+	var result []*app_model.PrintBill
+	if err := globals.GetDB().Select(&result, sql, param...); err != nil {
+		return nil, err
+	}
+	return result, nil
+}
+
+// InitPrintBill 初始化打印机账户
+func InitPrintBill(txDB *sqlx.Tx, param *app_model.PrintBill) error {
+	if err := InsertTx(txDB, param); err != nil {
+		return err
+	}
+	return nil
+}
+
+// AddMoney 添加充值金额
+func AddMoney(db *sqlx.Tx, printNo string, money int64) error {
+	sql := `UPDATE print_bill SET print_balance = print_balance + ? WHERE print_no = ?`
+	if _, err := db.Exec(sql, []interface{}{printNo, money}...); err != nil {
+		return err
+	}
+	return nil
+}
+
+// UpdateBillToUser 当打印机账户从菜市绑定时,未分配用户,用户再使用小程序绑定时,将打印机分配给用户!
+func UpdateBillToUser(db *sqlx.Tx, param *app_model.PrintBill) error {
+	return UpdateTx(db, param, []string{"user_id"}...)
+}