public void Update(WeatherInfo info)
{
Console.Write("Weather forecast: ");
if (info.Temperature < 10)
{
Console.Write("Cold");
}
else if (info.Temperature < 25)
{
Console.Write("Warm");
}
else
{
Console.Write("Hot");
}
Console.Write(" and ");
if (info.WindSpeed < 5)
{
Console.WriteLine("Windless");
}
else
{
Console.WriteLine("Windy");
}
Console.WriteLine();
}
public void Notify(WeatherInfo info)
{
foreach (var observer in observers)
{
observer.Update(info);
}
}
public bool WeatherInCityChanged(string city, WeatherInfo weatherInfo)
{
bool weatherIsChanged = true;
string fileName = Path.Combine(DatabaseCatalog, city + ".xml");
// check the previous record about weather in gotten city
if (File.Exists(fileName))
{
XmlSerializer reader = new XmlSerializer(typeof(WeatherInfo));
StreamReader streamReader = new StreamReader(fileName);
WeatherInfo previousWeatherInfo = (WeatherInfo)reader.Deserialize(streamReader);
streamReader.Close();
if (weatherInfo.Equals(previousWeatherInfo))
{
weatherIsChanged = false;
}
}
XmlSerializer writer = new XmlSerializer(typeof(WeatherInfo));
StreamWriter streamWriter = new StreamWriter(fileName);
writer.Serialize(streamWriter, weatherInfo);
streamWriter.Close();
return(weatherIsChanged);
}
public WeatherInfo GetWeatherInfo(string city)
{
try
{
if (client == null)
{
// can be some exception in static constructor or for example by time out
ClientInitialization();
}
var results = client.Query(city);
WeatherInfo weatherInfo = new WeatherInfo
{
Temperature = results.Main.Temperature.CelsiusCurrent,
Humidity = results.Main.Humdity,
Pressure = results.Main.Pressure,
City = city
};
return(weatherInfo);
}
catch (Exception e)
{
throw new OpenWeatherAPIException("Can't get result at that time by connection to OpenWeatherMap", e);
}
}
public void OnWeatherChanged(string city, WeatherInfo weatherInfo)
{
if (weathersByCities.ContainsKey(city))
{
weathersByCities[city].Invoke(weatherInfo);
}
}
public void Update(WeatherInfo info)
{
Console.WriteLine("--- Street stand ---");
Console.WriteLine($"Temperature: {info.Temperature}");
Console.WriteLine($"Wind speed: {info.WindSpeed}");
Console.WriteLine("--------------------");
Console.WriteLine(" | ");
Console.WriteLine();
}
public void DoMeasurements()
{
foreach (var city in weathersByCities.Keys)
{
OpenWeatherManager weatherManager = new OpenWeatherManager();
try
{
WeatherInfo weatherInfo = weatherManager.GetWeatherInfo(city);
bool weatherInCityChanged = weatherManager.WeatherInCityChanged(city, weatherInfo);
if (weatherInCityChanged)
{
OnWeatherChanged(city, weatherInfo);
}
}
catch (OpenWeatherAPIException e)
{
Console.WriteLine("Problem with connection or credentials. Try later or check your credentials more accurate!");
break;
}
}
}
public void Update(WeatherInfo weatherInfo)
{
Console.WriteLine($"Current conditions in the city {weatherInfo.ToString()}");
}
public void Update(WeatherInfo info)
{
Console.WriteLine($"Gismeteo website: Temperature [{info.Temperature}], Wind speed [{info.WindSpeed}]\n");
}
