/// <summary>
/// Removes the current favorite from the favorites list.
/// </summary>
private void RemoveFavorite()
{
// If the current view model is busy do nothing
if (this.viewModel.IsBusy)
{
return;
}
// Prepare the data to be send to the server
var request = new Json.JsonObject {
{ "montonera", this.favorite.Id }
};
// Send request to the server
this.viewModel.IsBusy = true;
WebHelper.SendAsync(
Uris.GetRemoveFromFavoritesUri(),
request.AsHttpContent(),
_ =>
{
this.OnFavoriteRemoved();
this.viewModel.IsBusy = false;
},
() => this.viewModel.IsBusy = false);
}
/// <summary>
/// Sets the current favorite as primary.
/// </summary>
private void SetAsPrimary()
{
// If the current view model is busy do nothing
if (this.viewModel.IsBusy)
{
return;
}
// Prepare the data to be send to the server
var request = new Json.JsonObject {
{ "montonera", this.favorite.Id }, { "principal", true }
};
// Send request to the server
this.viewModel.IsBusy = true;
WebHelper.SendAsync(
Uris.GetAddToFavoritesUri(),
request.AsHttpContent(),
_ =>
{
this.IsPrimary = true;
this.viewModel.IsBusy = false;
},
() => this.viewModel.IsBusy = false);
}
/// <summary>
/// Updates the submitted reports from the server.
/// </summary>
private void UpdateReports()
{
this.IsBusy = true;
WebHelper.SendAsync(
Uris.GetGetReportsUri(),
null,
this.ProcessUpdateReportsResult,
() => this.IsBusy = false);
}
/// <summary>
/// Reports the incident.
/// </summary>
private void ReportIncident()
{
// If the current view model is busy do nothing
if (this.IsBusy)
{
return;
}
// Validate that the notification type is valid
if (this.IncidentTypeIndex < 0)
{
App.DisplayAlert(
Localization.ErrorDialogTitle,
Localization.ErrorInvalidIncidentType,
Localization.DialogDismiss);
return;
}
// Save the report date
if (!this.reportDate.HasValue)
{
this.reportDate = DateTime.UtcNow;
}
// Prepare report data
// ReSharper disable once UseObjectOrCollectionInitializer
var report = new MultipartFormDataContent();
report.Add(new StringContent(this.pin.Id), "montonera");
if (this.incidentTypeIndex != -1)
{
report.Add(new StringContent(this.IncidentTypes[this.incidentTypeIndex]), "incidencia");
}
// Is report photo is specified
if (this.ReportPhotoData != null)
{
// Add photo to the report
var imageContent = new ByteArrayContent(this.ReportPhotoData);
imageContent.Headers.ContentType = MediaTypeHeaderValue.Parse("image/jpeg");
report.Add(imageContent, "imagen", "imagen.jpg");
}
// Send the report to the server
this.IsBusy = true;
WebHelper.SendAsync(
Uris.GetSubmitReportUri(),
report,
this.ProcessReportIncidentResult,
() => this.IsBusy = false,
timeout: TimeSpan.FromMinutes(5));
}
/// <summary>
/// Gets the incident types from the server.
/// </summary>
private void GetIncidentTypes()
{
// If the current view model is busy do nothing
if (this.IsBusy)
{
return;
}
// Get the incident types from the server
this.IsBusy = true;
WebHelper.SendAsync(
Uris.GetGetIncidentTypesUri(),
null,
this.ProcessGetIncidentTypesResult,
() => this.IsBusy = false);
}
/// <summary>
/// Refreshes the expired access token.
/// </summary>
/// <param name="httpClient">The <see cref="HttpClient"/> to perform the send operation.</param>
/// <returns>A task that represents the asynchronous refresh operation.</returns>
private static async Task <string> InternalRefreshToken(HttpClient httpClient)
{
// Prepare the refresh request
var endpoint = Uris.GetRefreshTokenUri();
var refreshRequest = new JsonObject
{
{ "grant_type", "refresh_token" },
{ "refresh_token", Settings.Instance.GetValue(Settings.RefreshToken, string.Empty) }
};
using (var request = new HttpRequestMessage(endpoint.Method, WebHelper.AppendNonce(endpoint.Uri)))
{
// Setup the request
request.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
request.Content = refreshRequest.AsHttpContent();
// Send the request to the server
var socketTimeout = httpClient.Timeout.Add(TimeSpan.FromSeconds(5));
var response = await WebHelper.SendRequest(httpClient, request, socketTimeout);
using (response)
{
// Parse the server response
var responseContent = await WebHelper.ParseResponse(response);
// Parse the new access token data
var accessToken = responseContent.GetItemOrDefault("access_token").GetStringValueOrDefault(string.Empty);
var expiresIn = responseContent.GetItemOrDefault("expires_in").GetIntValueOrDefault(24 * 60 * 60);
// If all of the fields are returned
if (!string.IsNullOrEmpty(accessToken))
{
// Update access token
Settings.Instance.SetValue(Settings.AccessToken, accessToken);
Settings.Instance.SetValue(Settings.AccessTokenExpires, DateTime.UtcNow.AddSeconds(expiresIn));
return(accessToken);
}
// Report error
throw new RemoteServerException(
HttpStatusCode.Unauthorized,
Localization.ErrorDialogTitle,
Localization.ErrorUnauthorized,
null);
}
}
}
/// <summary>
/// Sets the push notification token used for the current application.
/// </summary>
/// <param name="pushToken">The device push notification token.</param>
internal static void SetPushToken(string pushToken)
{
// If push token have not been changed
Debug.WriteLine("New push token available: " + pushToken);
var currentPushToken = Settings.Instance.GetValue(Settings.PushToken, string.Empty);
if (string.Compare(currentPushToken, pushToken, StringComparison.CurrentCultureIgnoreCase) == 0)
{
// Do nothing
return;
}
// Get the current application instance
var instance = Application.Current as App;
if (instance != null)
{
// Set the push token
instance.PushToken = pushToken;
}
// If user is logged in
if (Settings.Instance.Contains(Settings.AccessToken))
{
// Prepare the data to be send to the server
var deviceId = instance?.DeviceId ?? string.Empty;
var request = new Json.JsonObject
{
{ "device", deviceId },
{ "push_token", pushToken }
};
// Send request to the server
Debug.WriteLine("Update push token on server");
WebHelper.SendAsync(
Uris.GetChangePushTokenUri(),
request.AsHttpContent(),
_ => Settings.Instance.SetValue(Settings.PushToken, pushToken));
}
}