protected void PreCacheDrivers(string url)
{
if (!WebRequestCache <Driver> .UseCache)
{
return;
}
WebRequestCache <Driver> .PreCacheDriversTask = Task.Run(() =>
{
HttpClient httpClient = CreateHttpClient();
Driver[] allDrivers;
try
{
var response = httpClient.GetStringAsync(url).Result;
allDrivers = JsonConvert.DeserializeObject <Driver[]>(response);
foreach (Driver driver in allDrivers)
{
WebRequestCache <Driver> .PreAdd(driver.DriverId.ToString(), driver);
}
}
catch (Exception e)
{
//ignore for now, this was just an attempt to get them early
Debug.WriteLine(e);
}
});
}
protected Driver GetDriver(string url, int id)
{
Driver result;
string key = id.ToString();
if (!WebRequestCache <Driver> .ContainsKey(key) || WebRequestCache <Driver> .Expired(key) || !WebRequestCache <Driver> .UseCache)
{
HttpClient httpClient = CreateHttpClient();
try
{
var response = httpClient.GetStringAsync(url).Result;
result = JsonConvert.DeserializeObject <Driver>(response);
WebRequestCache <Driver> .Add(key, result);
}
catch (Exception)
{
result = new Driver();
}
}
else
{
result = WebRequestCache <Driver> .GetItem(key);
////Uncomment to fix pre-cache bug
//if (result.Picture == null)
//{
// result = WebRequestCache<Driver>.GetFullItemFromDisk(key);
//}
}
return(result);
}
/// <summary>
/// Do GetByVisitor
/// </summary>
/// <param name="url"></param>
/// <returns></returns>
protected async Task <T> GetAsync <T>(string url)
where T : new()
{
T result;
if (!WebRequestCache <T> .ContainsKey(url) || WebRequestCache <T> .Expired(url))
{
HttpClient httpClient = CreateHttpClient();
try
{
var response = await httpClient.GetStringAsync(url);
result = JsonConvert.DeserializeObject <T>(response);
WebRequestCache <T> .Add(url, result);
}
catch (Exception)
{
result = new T();
}
}
else
{
string jsonResponse = WebRequestCache <T> .GetItem(url) as string;
result = JsonConvert.DeserializeObject <T>(jsonResponse);
}
return(result);
}
private void btnSave_Click(object sender, RoutedEventArgs e)
{
Driver d = EditDriverViewModel.CurrentDriver;
WebRequestCache <Driver> .Add(d.DriverId.ToString(), d);
if (BackingJsonFile == null && chkUpdateJson.IsChecked == true)
{
MessageBox.Show("No backing json file selected");
return;
}
else if (chkUpdateJson.IsChecked == true)
{
WebRequestCache <Driver> .WriteCacheToFile(BackingJsonFile);
}
NavigationHelper.NavigateBack();
}
private async void Refresh()
{
await LoadVehiclesAsync();
await WebRequestCache <Driver> .ClearCache();
}
