public async Task GetTrainingSessions()
{
if (Connectivity.NetworkAccess == NetworkAccess.None)
{
return;
}
var syncRequestUrl = $"{Constants.WebServerBaseUrl}{syncRequestBase}";
try
{
// create the sync request
var userId = Preferences.Get(Constants.UserIdPreference, "Matt");
var syncRequest = new SyncRequest {
FromVersion = 0, UserId = userId
};
// perform the request
var request = new HttpRequestMessage(HttpMethod.Post, syncRequestUrl);
request.Content = new StringContent(JsonConvert.SerializeObject(syncRequest), Encoding.UTF8, "application/json");
var response = await client.SendAsync(request);
// pull out the info
var syncResultJson = await response.Content.ReadAsStringAsync();
var syncResult = JsonConvert.DeserializeObject <DataSyncResult>(syncResultJson);
// save training sessions locally
var localData = DependencyService.Get <ILocalDataService>(DependencyFetchTarget.GlobalInstance);
localData.SaveSessionFromWeb(syncResult.TrainingData);
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex);
}
}
public async Task GetTrainingSessions()
{
if (Connectivity.NetworkAccess == NetworkAccess.None)
{
await Shell.Current.DisplayAlert("No Internet", "You do not have a connection to the internet", "OK");
return;
}
var syncRequestUrl = $"{Constants.WebServerBaseUrl}{syncRequestBase}";
try
{
// Get the latest version sync'd
var syncPoint = (int)await dataService.GetLatestSyncVersion();
// create the sync request
var syncRequest = new SyncRequest {
FromVersion = syncPoint, UserId = userName
};
// perform the request
var request = new HttpRequestMessage(HttpMethod.Post, syncRequestUrl);
request.Content = new StringContent(JsonConvert.SerializeObject(syncRequest), Encoding.UTF8, "application/json");
var response = await client.SendAsync(request);
// pull out the info
var syncResultJson = await response.Content.ReadAsStringAsync();
var syncResult = JsonConvert.DeserializeObject <DataSyncResult>(syncResultJson);
await dataService.SaveSessionsFromWeb(syncResult.Metadata.Sync, syncResult.TrainingData);
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex);
}
}