async void NewServerIp(System.Object sender, System.EventArgs e)
{
string newIP = IpAddress.Text != null ? IpAddress.Text : IpAddress.Placeholder;
AppConfiguration.REGISTRATION_SERVER_URL = new UriBuilder("http", newIP, 8000);
AppConfiguration.LOCATION_SERVER_URL = new UriBuilder("http", newIP, 8000);
await LocationsAggregator.RetrieveId(true);
DisplayAlert("o_O", "---> " + newIP + " <---", "OK");
}
public static async Task <LocationsAggregator> GetInstance()
{
if (Instance == null)
{
string id = await RetrieveId();
Instance = new LocationsAggregator(id);
}
return(Instance);
}
private async Task <bool> SendSymptoms(Symptoms symptoms)
{
Report report = new Report(symptoms);
report.id = await LocationsAggregator.RetrieveId();
if (report.id == null)
{
return(false);
}
string data = JsonConvert.SerializeObject(report);
bool success = await NetworkLayer.SendDataToServer(data);
return(success);
}
private static async Task <ServerResponse> IssueRequest(string action, Uri uri, bool addId = false)
{
HttpClient client = new HttpClient();
Request request = new Request(action);
if (addId)
{
request.id = await LocationsAggregator.RetrieveId();
}
string requestString = JsonConvert.SerializeObject(request);
Debug.WriteLine(requestString, "[IssueRequest]");
try {
HttpResponseMessage response = await client.PostAsync(uri, new StringContent(requestString));
if (response.IsSuccessStatusCode)
{
Debug.WriteLine("Success", "[IssueRequest]");
string rawResult = await response.Content.ReadAsStringAsync();
try {
return(JsonConvert.DeserializeObject <ServerResponse>(rawResult));
}
catch (JsonSerializationException e) {
Debug.WriteLine("Exception: " + e.Message, "[IssueRequest]");
}
return(new ServerResponse());
}
else
{
Debug.WriteLine("FAILED: " + response.ReasonPhrase, "[IssueRequest]");
}
}
catch (Exception e) {
Debug.WriteLine("Exception: " + e.Message, "[IssueRequest]");
}
return(new ServerResponse());
}