public async IAsyncEnumerable <MessageResponse> QueryBalance(Message message, string symbol)
{
symbol = symbol.ToUpperInvariant();
yield return("查询中……");
UserInfo user;
try
{
user = await _backendService.GetUserByTelegramIdAsync(message.From.Id);
}
catch (MatatakiUserNotFoundException)
{
throw new HandlerException("抱歉，您还没有绑定 Matataki 帐号");
}
TokenInfo token;
try
{
token = await _backendService.GetTokenAsync(symbol);
}
catch (TokenNotFoundException)
{
throw new HandlerException("抱歉，没有这样的 Fan 票");
}
var balance = await _minetokenService.GetBalanceAsync(token.ContractAddress, user.WalletAddress);
yield return(Markdown($"{balance} [{symbol}]({_matatakiService.GetTokenPageUrl(token.Id)})"));
}
public async Task <MessageResponse> Handle(Message message)
{
var builder = new StringBuilder();
UserInfo?user = null;
try
{
user = await _backendService.GetUserByTelegramIdAsync(message.From.Id);
builder.AppendLine($"瞬Matataki 昵称： [{user.Name}]({_matatakiService.GetUserPageUrl(user.Id)})");
}
catch
{
builder.AppendLine("没有绑定 Matataki");
}
if (user?.IssuedTokens?.Length > 0)
{
var token = user.IssuedTokens[0];
builder.AppendLine($"Fan票 名称：[{token.Symbol} ({token.Name})]({_matatakiService.GetTokenPageUrl(user.IssuedTokens[0].Id)})");
}
else
{
builder.AppendLine("没有发行 Fan 票");
}
return(Markdown(builder.ToString()));
}
