Files
go-vchasno-kassa/api/kasa.go
2025-09-30 14:39:08 +03:00

151 lines
4.1 KiB
Go

package api
import (
"context"
"encoding/json"
"fmt"
"io"
"resty.dev/v3"
)
func NewKasaInstance(token string) *Kasa {
return &Kasa{
token: token,
resty: resty.New(),
}
}
type Kasa struct {
token string
resty *resty.Client
}
func createReceiptRow(name string, cnt int, price float64, comment string, disc float64, taxgrp string) ReceiptRow {
return ReceiptRow{
Name: name,
Cnt: cnt,
Price: price,
Disc: disc,
Taxgrp: taxgrp,
Comment: comment,
}
}
func createReceiptPayCash(PayType int, sum float64, comment string) ReceiptPay {
return ReceiptPay{
Type: PayType,
Sum: sum,
Comment: comment,
}
}
func createReceiptPayCard(PayType int, sum float64, comment string, cardmask string, bankID string) ReceiptPay {
return ReceiptPay{
Type: PayType,
Sum: sum,
Comment: comment,
Paysys: "parking_pos",
Cardmask: cardmask,
BankID: bankID,
}
}
func getReceiptSum(rows []ReceiptRow, taxgrp string) float64 {
sum := 0.0
for _, row := range rows {
sum += (row.Price - row.Disc) * float64(row.Cnt)
}
return sum
}
func createReceipt(PayType int, sum float64, comment string, cardmask string, bankID string, name string, cnt int, price float64, disc float64, taxgrp string) Receipt {
rows := []ReceiptRow{createReceiptRow(name, cnt, price, comment, disc, taxgrp)}
sum = getReceiptSum(rows, taxgrp)
r := Receipt{
Sum: sum,
Round: 0.00,
Disc: 0,
DiscType: 0,
Rows: rows,
Pays: []ReceiptPay{createReceiptPayCard(PayType, sum, comment, cardmask, bankID)},
}
fmt.Println("Receipt sum:", r.Sum)
return r
}
// "fiscal": {
// "task": 1,
// "cashier": "Парковка",
// "receipt": {
// "sum": 40.00,
// "round": 0.00,
// "comment_up": "Квитанція за паркування",
// "comment_down": "Дякуємо за користування паркінгом!",
// "disc": 0.00,
// "disc_type": 0,
// "rows": [
// {
// "code": "PARK-3H",
// "pop": "Оплата за послуги паркування",
// "name": "Парковка, 3 години",
// "cnt": 1,
// "price": 40.00,
// "disc": 0.00,
// "taxgrp": "4",
// "comment": "Тариф: 3 години"
// }
// ],
// "pays": [
// {
// "type": 0,
// "sum": 40.00,
// "change": 0.00,
// "comment": "Оплата готівкою"
// }
// ]
// }
// }
func createFiscal(source string, cashier string, PayType int, sum float64, comment string, cardmask string, bankID string, name string, cnt int, price float64, disc float64, taxgrp string) FiskalCheck {
return FiskalCheck{
Source: source,
Fiscal: Fiscal{
Task: 1,
Cashier: cashier,
Receipt: createReceipt(PayType, sum, comment, cardmask, bankID, name, cnt, price, disc, taxgrp),
},
}
}
func (k *Kasa) NewSell(ctx context.Context, PayType int, sum float64, comment string, cardmask string, bankID string, name string, cnt int, price float64, disc float64, taxgrp string) (*KasaResponse, error) {
fiscal := createFiscal("kasa", "test", PayType, sum, comment, cardmask, bankID, name, cnt, price, disc, taxgrp)
// create a POST request to the kasa api https://kasa.vchasno.ua/api/v3/fiscal/execute with resty
request, err := k.resty.R().SetBody(fiscal).SetHeader("Authorization", k.token).Post("https://kasa.vchasno.ua/api/v3/fiscal/execute")
if err != nil {
return nil, fmt.Errorf("failed to create a POST request to the kasa api: %w", err)
}
if request.IsError() {
return nil, fmt.Errorf("failed to create a POST request to the kasa api: %v", request.Error())
}
if request.StatusCode() != 200 {
return nil, fmt.Errorf("failed to create a POST request to the kasa api: %v", request.Error())
}
body, err := io.ReadAll(request.Body)
if err != nil {
return nil, fmt.Errorf("failed to read response body: %w", err)
}
fmt.Println(string(body))
var response KasaResponse
if err := json.Unmarshal(body, &response); err != nil {
return nil, fmt.Errorf("failed to unmarshal response: %w", err)
}
return &response, nil
}