/// <summary>
/// Implements the following business logic:
/// 1. Interact with internal serviceagent called globalWeatherServiceAgent
/// 2. fetches list of cities by inputted country
/// 3. converts the soap xml message to json string
/// </summary>
/// <param name="strcountryName">name of the country</param>
/// <returns>list of cities as json text format</returns>
public string GetCitiesByCountry(string strcountryName)
{
mLog.Info("Calling GlobalWeatherServiceClient.GetCitiesByCountry...");
try
{
string strCities = globalWeatherServiceAgent.GetCitiesByCountry(strcountryName);
return(GlobalWeatherHelper.ConvertXMLToJSON(strCities));
}
catch (Exception ex)
{
mLog.Error(ex.InnerException);
throw ex;
}
}
/// <summary>
/// Implements the following business logic:
/// 1. Interact with external web api called OpenWeather
/// 2. fetches weather details in the format of json text
/// 3. Maps the json data with model object called Weather
/// </summary>
/// <param name="strCityName"></param>
/// <param name="strcountryName"></param>
/// <returns>Returns model obejct Weather</returns>
public async System.Threading.Tasks.Task <Weather> GetWeatherFromExternalAPI(string cityName, string countryname)
{
Weather weather = null;
try
{
string apiKey = ConfigurationManager.AppSettings[Constants.OpenWeather_API_KEY];
using (System.Net.Http.HttpClient client = new System.Net.Http.HttpClient())
{
//Replace any white spaces in the value of input parameters
countryname = System.Text.RegularExpressions.Regex.Replace(countryname, @"\s+", "%20");
cityName = System.Text.RegularExpressions.Regex.Replace(cityName, @"\s+", "%20");
//Construct url with registered API Key, valid key has to be configured in the web.config file
string url = string.Format("{0}{1},{2}{3}{4}", "?q=", cityName, countryname, "&APPID=", apiKey);
client.BaseAddress = new Uri(ConfigurationManager.AppSettings[Constants.OpenWeather_URI]);
client.DefaultRequestHeaders.Accept.Clear();
client.DefaultRequestHeaders.Accept.Add(new System.Net.Http.Headers.MediaTypeWithQualityHeaderValue("application/json"));
var jsonString = await client.GetStringAsync(url).ConfigureAwait(false);
weather = GlobalWeatherHelper.PopulateWeatherModelFromJsonText(jsonString);
}
}
catch (HttpRequestException ex)
{
mLog.Error(ex.InnerException);
throw ex;
}
catch (Exception ex)
{
mLog.Error(ex.InnerException);
throw ex;
}
return(weather);
}
