public async Task<IEnumerable<City>> LoadCitiesAsync()
{
var folder = Folder();
var files = await folder.GetFilesAsync();
if (!files.Any(f => f.Name == SETTING_KEY))
{
var file = await folder.CreateFileAsync(SETTING_KEY);
var cities = new City[]
{
new City()
{
Name="Namur",
Country="Belgique"
}
};
await FileIO.WriteTextAsync(file, JsonConvert.SerializeObject(cities));
return cities;
}
else
{
//await files.First(f => f.Name == SETTING_KEY).DeleteAsync(StorageDeleteOption.PermanentDelete);
var file = files.First(f => f.Name == SETTING_KEY);
var json = await FileIO.ReadTextAsync(file);
return JsonConvert.DeserializeObject<City[]>(json);
//return new City[0];
}
}
public async Task<IEnumerable<WeatherForecast>> GetForecastByCityAsync(City city)
{
var fakeForecast = GetFakeForecast();
int numberOfForecastsAlreadyLoopedThrough = 0;
foreach (var forecast in fakeForecast)
{
forecast.City = city;
forecast.Date = forecast.Date.AddDays(numberOfForecastsAlreadyLoopedThrough);
numberOfForecastsAlreadyLoopedThrough++;
}
return fakeForecast;
}
private static async Task<IEnumerable<City>> CreateDefaultFileOfCities(StorageFolder folder)
{
var file = await folder.CreateFileAsync(SETTING_KEY);
var cities = new City[]
{
new City()
{
Name="Namur",
Country="Belgique"
}
};
await FileIO.WriteTextAsync(file, SerializeToJson(cities));
return cities;
}
public async void GetForecast(City city, FrameworkElement forecast)
{
WeatherService service = new WeatherService();
var donnees = await service.GetForecastByCityAsync(city);
List<WeatherForecast> listForecast = new List<WeatherForecast>();
var i = 0;
foreach (var fcast in donnees)
{
if (i < 5)
listForecast.Add(fcast);
else break;
i++;
}
}
public async Task AddCity(string ville, string pays)
{
//if (verificationVille(ville, pays))
//{
var folder = GetFolder();//Je prends le folder
var files = await folder.GetFilesAsync();//J'y prends les références vers tous les fichiers
var dataOfCities = await ReadFileOfCities(files);//Je lis les données du fichier de villes
var fileOfCities = await folder.GetFileAsync(SETTING_KEY);//Je prends le fichier des villes
var cities = dataOfCities.ToList();
var city = new City()
{ Name = ville, Country = pays };
cities.Add(city);
await FileIO.WriteTextAsync(fileOfCities, SerializeToJson(cities.ToArray()));
// }
}
public async Task<WeatherForecast> GetCurrentWeatherByCityAsync(City city)
{
return GetFakeForecast().First();
}
private static string SerializeToJson(City[] cities)
{
return JsonConvert.SerializeObject(cities);
}