public string BuySubscription(int accountId, string subscriptionType)
{
string subscriptionTypes = System.IO.File.ReadAllText("SubscriptionTypes.json");
int subscriptionCost;
int subscriptionDuration;
string subscriptionDescription;
using (JsonDocument doc = JsonDocument.Parse(subscriptionTypes))
{
JsonElement root = doc.RootElement;
JsonElement jsSubsType = root.GetProperty(subscriptionType);
subscriptionCost = jsSubsType.GetProperty("cost").GetInt32();
subscriptionDuration = jsSubsType.GetProperty("duration").GetInt32();
subscriptionDescription = jsSubsType.GetProperty("description").GetString();
}
if (subscriptionCost == 0 || subscriptionDuration == 0)
{
throw new AppException("Ошибка в указании типа подписки");
}
// 1. Сохраняем информацию о покупке в БД и формируем ссылку для оплаты
Subscription newSubscription = new Subscription
{
UserId = accountId,
Type = subscriptionType,
Duration = subscriptionDuration,
Cost = subscriptionCost,
OrderDate = DateTime.Now
};
_context.Subscriptions.Add(newSubscription);
_context.SaveChanges();
int invoiceId = _context.Subscriptions.SingleOrDefault(x =>
x.UserId == newSubscription.UserId &&
x.OrderDate == newSubscription.OrderDate)
.Id;
RobokassaItemModel[] robokassaItems = new RobokassaItemModel[] {
new RobokassaItemModel {
name = subscriptionDescription,
quantity = 1,
sum = subscriptionCost,
tax = "none"
}
};
RobokassaReceiptModel robokassaReceipt = new RobokassaReceiptModel {
items = robokassaItems
};
var robokassaInfo = GenerateRobokassaLink(subscriptionCost, subscriptionDescription, invoiceId, robokassaReceipt);
newSubscription.OrderId = robokassaInfo.signatureValue;
_context.Subscriptions.Update(newSubscription);
_context.SaveChanges();
// 2. Перенаправляем пользователя на страницу оплаты
string url = robokassaInfo.link;
return(url);
}
private async void SendSecondReceipt(int invId, int outSum, string emailClient)
{
string subscriptionTypes = System.IO.File.ReadAllText("SubscriptionTypes.json");
Subscription paidSubscription = _context.Subscriptions.SingleOrDefault(x => x.Id == invId);
string subscriptionType = paidSubscription.Type;
string subscriptionDescription;
using (JsonDocument doc = JsonDocument.Parse(subscriptionTypes))
{
JsonElement root = doc.RootElement;
JsonElement jsSubsType = root.GetProperty(subscriptionType);
subscriptionDescription = jsSubsType.GetProperty("description").GetString();
}
RobokassaItemModel[] robokassaItems = new RobokassaItemModel[] {
new RobokassaItemModel {
name = subscriptionDescription,
quantity = 1,
sum = outSum,
tax = "none",
payment_method = "full_payment"
}
};
RobokassaClientModel robokassaClient = new RobokassaClientModel {
email = emailClient
};
RobokassaPaymentModel[] robokassaPayments = new RobokassaPaymentModel[] {
new RobokassaPaymentModel {
type = 2,
sum = outSum
}
};
RobokassaVatModel[] robokassaVats = new RobokassaVatModel[] {
new RobokassaVatModel {
type = "none",
sum = 0
}
};
string roboShopName = _appSettings.RobokassaShopName;
RobokassaResultReceiptModel robokassaResultReceipt = new RobokassaResultReceiptModel {
merchantId = roboShopName,
originId = invId,
id = invId + 1,
operation = "sell",
url = "https:__usa-invest.ru", // запрос придется кодировать в base64, так что сразу заменим "/" на "_"
total = outSum,
items = robokassaItems,
client = robokassaClient,
payments = robokassaPayments,
vats = robokassaVats
};
JsonSerializerOptions jsonOptions = new JsonSerializerOptions
{
Encoder = JavaScriptEncoder.UnsafeRelaxedJsonEscaping,
IgnoreNullValues = true
};
string jsStrSecondReceipt = JsonSerializer.Serialize <RobokassaResultReceiptModel>(robokassaResultReceipt, jsonOptions);
var secondReciptBytes = Encoding.UTF8.GetBytes(jsStrSecondReceipt);
string firstBase64string = Convert.ToBase64String(secondReciptBytes).Replace("=", "");
string signature = generateSHA256Hash(firstBase64string + _appSettings.RobokassaFirstPassw);
var signatureBytes = Encoding.UTF8.GetBytes(signature);
string signatureBase64 = Convert.ToBase64String(signatureBytes).Replace("=", "");
string finalBase64Request = firstBase64string + "." + signatureBase64;
try
{
var stringContent = new StringContent(finalBase64Request, Encoding.UTF8, "text/plain");
var response = await new HttpClient().PostAsync("https://ws.roboxchange.com/RoboFiscal/Receipt/Attach", stringContent);
string strResponse = await response.Content.ReadAsStringAsync();
Log($" Method = SendSecondReceipt, InvoiceId = {invId}, SecondReceipt = {jsStrSecondReceipt}, Response = {strResponse}");
}
catch (Exception ex)
{
Log($" EXCEPTION: Method = SendSecondReceipt, Ex.message = {ex.Message}, InvoiceId = {invId}, SecondReceipt = {jsStrSecondReceipt}");
}
}
