public void Return_Valid_CacheKey()
{
string account = "51671327713";
string expected = $"account_{account}";
string actual = CacheKeyHelper.GetAccountCacheKey(account);
Assert.Equal(expected, actual);
}
public void ThrowArgumentNullException()
{
Assert.Throws <ArgumentNullException>(() => CacheKeyHelper.GetAccountCacheKey(null));
}
public void ThrowArgumentException_If_EmptyOrWhiteSpace(string account)
{
Assert.Throws <ArgumentException>(() => CacheKeyHelper.GetAccountCacheKey(account));
}
public async Task <ElronAccountModel> Handle(ElronAccountQuery request, CancellationToken cancellationToken)
{
var accountData = await _memoryCache.GetOrCreateAsync(CacheKeyHelper.GetAccountCacheKey(request.Id), async entry =>
{
// cache the account object for 15minutes
entry.AbsoluteExpirationRelativeToNow = TimeSpan.FromMinutes(15);
var message = new HttpRequestMessage(HttpMethod.Get, $"/Account/Login?cardNumber={request.Id}&ReturnUrl=%2fAccount%2fStatement%3fallTransactions%3dTrue");
var result = await _httpClient.SendAsync(message, cancellationToken);
result.EnsureSuccessStatusCode();
var parser = new HtmlParser();
var content = parser.Parse(await result.Content.ReadAsStringAsync()).QuerySelector(".content");
var balanceNode = content.QuerySelector("fieldset input.currency");
if (balanceNode == null)
{
throw new ScrapeException("Failed to find balance node.");
}
if (!decimal.TryParse(balanceNode.Attributes["value"].Value.Replace(",", "."), NumberStyles.Number, CultureInfo.InvariantCulture, out decimal balance))
{
throw new ScrapeException("Failed to parse balance.");
}
var account = new ElronAccountModel {
Id = request.Id, Balance = balance, LastCheck = DateTime.Now
};
var transactionsTableNode = content.QuerySelector("table > tbody");
if (transactionsTableNode == null)
{
return(account);
}
var tableRows = transactionsTableNode.QuerySelectorAll("tr");
foreach (var tableRow in tableRows)
{
var transaction = new ElronAccountModel.Transaction();
var columns = tableRow.QuerySelectorAll("td");
var dateNode = columns[0];
var nameNode = columns[2];
var sumNode = columns[3].QuerySelector("span");
transaction.Date = DateTime.ParseExact(dateNode.TextContent.Trim(), "dd.MM.yyyy HH:mm", CultureInfo.InvariantCulture);
transaction.Sum = decimal.Parse(sumNode.TextContent.Replace(",", ".").Trim(), NumberStyles.Number, CultureInfo.InvariantCulture);
// This needs a better solution
transaction.Name = nameNode.TextContent.Trim().Split('\t')[0].Trim();
var ticketNode = columns[1].QuerySelector("a");
if (ticketNode == null)
{
goto AddTransaction;
}
string tickerNodeHref = ticketNode.Attributes["href"].Value;
var ticketGuid = Guid.Parse(tickerNodeHref.Substring(tickerNodeHref.Length - 36));
var ticket = new ElronAccountModel.Ticket()
{
Id = ticketGuid,
Number = ticketNode.TextContent.Trim(),
Url = new Uri(_httpClient.BaseAddress, tickerNodeHref).AbsoluteUri
};
transaction.Ticket = ticket;
var validityNode = nameNode.QuerySelector("div.validity");
if (validityNode == null)
{
goto AddTransaction;
}
string validityString = validityNode.TextContent.Trim().Substring(10);
var dateStrings = validityString.Split('-').Select(d => d.Trim()).ToArray();
var validFrom = DateTime.ParseExact(dateStrings[0], "dd.MM.yyyy HH:mm", CultureInfo.InvariantCulture);
var validTo = DateTime.ParseExact(dateStrings[1], "dd.MM.yyyy HH:mm", CultureInfo.InvariantCulture);
var periodTicket = new ElronAccountModel.PeriodTicket()
{
ValidFrom = validFrom,
ValidTo = validTo
};
transaction.PeriodTicket = periodTicket;
AddTransaction:
account.Transactions.Add(transaction);
}
return(account);
});
return(SortAccountTransactions(accountData));
}