private void Process()
{
#region CMD_ARGS_PROCESSING
if (_cmdline["help"] != null)
{
Console.WriteLine("This app can show current Weather or the Weather forecast for chosen city. \n" +
"There are the following parameters available: \n" +
"--help - shows this manual. \n" +
"--location - sets the city. Example: --location London. Without this parameter the app will use default city if set. \n" +
"-d - sets number of days ahead. Example: -d 1. -d value can be from 0 (today) \n" +
" to 5 (five days ahead). By default -d value is 0. Negative numbers will be replaced by 0.\n" +
"-f - sets chosen city as default. Example: --location London -f. \n" +
"All the parameters are not mandatory.");
return;
}
string locationId;
if (_cmdline["location"] != null)
{
_location = _cmdline["location"];
locationId = GetLocationId(_location);
}
else
{
locationId = GetCurrentLocation();
}
if (locationId == null)
{
Console.WriteLine("Please choose your city using --location command; you can also set any city as default using command -f.");
return;
}
if (_cmdline["f"] != null)
{
_citiesRepository.SetFavourite(Int32.Parse(locationId));
}
WeatherType type = WeatherType.Current;
if (_cmdline["d"] != null)
{
bool isInt = Int32.TryParse(_cmdline["d"], out _daysAhead);
if (_daysAhead < 0)
{
Console.WriteLine("-d value cannot be less than 0");
return;
}
if (_daysAhead > 5)
{
Console.WriteLine("-d value can be from 0 to 5");
return;
}
if (_daysAhead > 0)
{
type = WeatherType.Forecast;
}
}
#endregion
// It's reasonable to get forecast for other days once a day, and use one cached response within one day.
if (type == WeatherType.Forecast)
{
if (CheckCache(int.Parse(locationId), type))
{
return;
}
}
_model = new TimeLimitProxy(locationId, _daysAhead);
var weather = _model.GetWeather();
if (weather == null)
{
// Current Weather may change during the day, so we need cash only if we cannot get actual info.
CheckCache(int.Parse(locationId), type);
return;
}
if (type == WeatherType.Forecast)
{
var weatherForecast = weather as WeatherForecast;
var dayRequired = (from day in weatherForecast.List where day.Date.Date == (DateTime.Today.AddDays(_daysAhead)) select day).ToList();
weatherForecast.List = dayRequired;
weather = weatherForecast;
}
var message = _view.ShowWeather(weather, type);
_cashRepository.Add(_cashRepository.Create(weather, message, type, _daysAhead));
}