public List <PriceModel> GetLastPrices()
{
var lastPrices = _priceRepository.FindPrices()
.GroupBy(x => x.SymbolId)
.Select(x => x.OrderByDescending(y => y.Date).Last())
.Select(x => new PriceModel()
{
SymbolId = x.SymbolId,
Price = x.Price,
Date = x.Date
})
.ToList();
var symbols = _symbolManager.GetSymbols();
foreach (var symbol in symbols)
{
var lastPrice = lastPrices.FirstOrDefault(x => x.SymbolId == symbol.Id);
if (lastPrice == null)
{
string symbolId = symbol.Id;
decimal price = GetLatestPrice(symbol);
DateTime date = DateTime.Now;
lastPrices.Add(new PriceModel()
{
SymbolId = symbolId,
Price = price,
Date = date
});
SaveLastPrice(symbolId, price, 0, DateTime.Now, date);
}
}
return(lastPrices);
}
public async Task ExecuteAsync(BotUpdateInput input)
{
string message = input.Message.Text.Trim();
message = message.Replace((message + " ").Split(' ')[0], string.Empty).Trim();
List <string> values = message.Contains(" ") ? message.Split(' ').ToList() : new List <string>()
{
message
};
UserEntity user = _userRepository.FindUser(input.Message.Chat.Id.ToString());
if (user == null)
{
await _messageService.SendMessageAsync(input.Message.Chat.Id.ToString(), "Unauthorized!");
return;
}
if (values[0] == "get")
{
if (values.Count < 3)
{
await _messageService.SendMessageAsync(input.Message.Chat.Id.ToString(), "Invalid arguments!");
return;
}
DateTime startDate = DateTime.Now;
if (values[2].EndsWith("h"))
{
int interval;
if (!int.TryParse(values[2].Replace("h", string.Empty), out interval))
{
await _messageService.SendMessageAsync(input.Message.Chat.Id.ToString(), "Invalid arguments!");
return;
}
startDate = DateTime.Now.AddHours(-1 * interval);
}
else if (values[2].EndsWith("m"))
{
int interval;
if (!int.TryParse(values[2].Replace("m", string.Empty), out interval))
{
await _messageService.SendMessageAsync(input.Message.Chat.Id.ToString(), "Invalid arguments!");
return;
}
startDate = DateTime.Now.AddMinutes(-1 * interval);
}
IEnumerable <PriceEntity> prices;
if (values[1] == "all")
{
prices = _priceRepository.FindPrices(startDate).OrderBy(x => x.Date);
}
else
{
var symbol = _symbolRepository.FindSymbols().FirstOrDefault(x => x.Name == values[1].ToUpperInvariant() || x.FriendlyName == values[1].ToUpperInvariant());
if (symbol == null)
{
await _messageService.SendMessageAsync(user.ChatId, "Symbol is not found!");
return;
}
prices = _priceRepository.FindPrices(symbol.Id, startDate).OrderBy(x => x.Date);
}
List <string> lines = new List <string>();
foreach (var item in prices)
{
var sym = _symbolRepository.FindSymbols().FirstOrDefault(x => x.Id == item.SymbolId);
lines.Add($"{item.Date.AddHours(3).ToString("dd.MM.yyyy HH:mm:ss")} | {sym.FriendlyName}: {item.Price} {string.Format("[{0}%{1}]", (item.Change * 100).ToString("+0.00;-0.00;0"), GetTimeSpanString(DateTime.Now - item.LastChangeDate))}");
}
if (!lines.Any())
{
await _messageService.SendMessageAsync(input.Message.Chat.Id.ToString(), "There are no prices!");
return;
}
lines = lines.OrderBy(x => x).ToList();
await _messageService.SendMessageAsync(input.Message.Chat.Id.ToString(), string.Join("\r\n", lines));
return;
}
else
{
await _messageService.SendMessageAsync(input.Message.Chat.Id.ToString(), "Invalid arguments!");
return;
}
}