static bool TrySendForecastTo(Subscriber sub)
{
OpenWeatherApi.Forecast5Day forecast5 = openWeather.GetForecast5Day(httpClient, sub.lat, sub.lon);
if (forecast5 == null)
{
Logger.LogLine($"Error fetching forecast for {sub}");
return(false);
}
StringBuilder s = new StringBuilder(512);
s.Append($"Forecast for: {sub.lat} {sub.lon}\n\n");
for (uint i = 0; i < 8; i++)
{
s.Append(FormatForecast(forecast5.list[i], sub.timeZone));
s.Append("\n");
}
s.Append("Data provided by https://openweathermap.org");
bot.SendPlainMessage(httpClient, sub.chatId, s.ToString(), true);
return(true);
}
static void Main(string[] args)
{
Logger.Init(); // Init file for logging
Logger.LogLine($"TelegramWeatherBot version {verMajor}.{verMinor}");
serializerOptions = new JsonSerializerOptions {
IncludeFields = true,
DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull
};
// Read keys from the file
string botToken, botName, openWeatherToken;
try {
Logger.Log("Reading keys.cfg ... ");
var cfgFileLines = File.ReadAllLines("keys.cfg");
botName = cfgFileLines[0];
botToken = cfgFileLines[1];
openWeatherToken = cfgFileLines[2];
Logger.LogLine("ok", false);
}
catch (Exception e) {
Logger.LogLine($"Error reading keys.cfg: {e}", false);
return;
}
// Read subscribers from the file
Logger.Log("Reading subscribers.json ... ");
LoadSubscribers();
Logger.LogLine("ok", false);
httpClient = new HttpClient();
httpClient.Timeout = TimeSpan.FromSeconds(10.0f);
bot = new TelegramApi.Bot(botName, botToken);
openWeather = new OpenWeatherApi.Client(openWeatherToken);
Logger.Log("Testing Telegram API connection ... ");
TelegramApi.User botUser = bot.GetMe(httpClient);
if (botUser == null)
{
Logger.LogLine("Telegram API error!", false);
return;
}
else
{
Logger.LogLine("ok", false);
Logger.LogLine("Bot user data:");
Logger.LogLine($" id: {botUser.id}");
Logger.LogLine($" username: {botUser.username}");
Logger.LogLine($" first_name: {botUser.first_name}");
Logger.LogLine($" last_name: {botUser.last_name}");
}
Logger.Log("Testing OpenWeather connection ... ");
OpenWeatherApi.Forecast5Day forecast = openWeather.GetForecast5Day(httpClient, 55.7558, 37.6173);
if (forecast == null)
{
Logger.LogLine("OpenWeather API error!", false);
return;
}
else
{
Logger.LogLine("ok", false);
Logger.LogLine("Forecast:");
Logger.LogLine($" temp: {forecast.list[0].main.temp} deg");
}
Logger.LogLine("Hello from weather telegram bot!");
while (true)
{
bool successGetUpdates = GetUpdates();
if (!successGetUpdates)
{
Logger.LogLine("Error getting updates! Next attempt in 5 seconds.");
Thread.Sleep(5000); // We don't want to spam their server with requests
}
CheckSubscriberAlerts();
}
}
