/// <summary>
/// Populates the page with content passed during navigation. Any saved state is also
/// provided when recreating a page from a prior session.
/// </summary>
/// <param name="sender">
/// The source of the event; typically <see cref="NavigationHelper"/>
/// </param>
/// <param name="e">Event data that provides both the navigation parameter passed to
/// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested and
/// a dictionary of state preserved by this page during an earlier
/// session. The state will be null the first time a page is visited.</param>
private async void navigationHelper_LoadState(object sender, LoadStateEventArgs e)
{
shopInfo = (GeneralInfo)e.NavigationParameter;
if (shopInfo != null)
{
if (shopInfo.userFeedback == null)
feedbackCollection = new ObservableCollection<TransactionFeedback>();
else
feedbackCollection = shopInfo.userFeedback;
foreach(var feedback in feedbackCollection)
{
if(feedback.Listing != null)
{
if(feedback.Listing.Images == null)
await feedback.Listing.getImages();
if (feedback.Listing.Images != null)
if (feedback.Listing.Images.Count > 0)
feedback.item_photo_url = feedback.Listing.Images[0].url_170x135;
}
}
ratingsListView.ItemsSource = feedbackCollection;
}
}
/// <summary>
/// Populates the page with content passed during navigation. Any saved state is also
/// provided when recreating a page from a prior session.
/// </summary>
/// <param name="sender">
/// The source of the event; typically <see cref="NavigationHelper"/>
/// </param>
/// <param name="e">Event data that provides both the navigation parameter passed to
/// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested and
/// a dictionary of state preserved by this page during an earlier
/// session. The state will be null the first time a page is visited.</param>
private async void NavigationHelper_LoadState(object sender, LoadStateEventArgs e)
{
shopInfo = (GeneralInfo)e.NavigationParameter;
if (shopInfo != null)
{
if (shopInfo.userFeedback == null)
feedbackCollection = new ObservableCollection<TransactionFeedback>();
else
feedbackCollection = shopInfo.userFeedback;
pRing.IsActive = true; // progress ring done manually this time
pRing.Visibility = Visibility.Visible;
foreach (var feedback in feedbackCollection)
{
if (feedback.Listing != null)
{
if (feedback.Listing.Images == null)
await feedback.Listing.getImages();
if (feedback.Listing.Images != null)
if (feedback.Listing.Images.Count > 0)
feedback.item_photo_url = feedback.Listing.Images[0].url_170x135;
}
}
Loading.ControlProgressRing<TransactionFeedback>(shopInfo.userFeedback, pRing); // progress ring
ratingsListView.ItemsSource = feedbackCollection;
}
}
/// <summary>
/// Get extra detail about the given shop, including images
/// </summary>
/// <param name="shop"></param>
/// <returns></returns>
public static async Task<ShopAbout> getShopAbout(GeneralInfo shop)
{
HttpClient client = new HttpClient();
string baseURL = App.baseURL, errorMessage = "";
ShopAbout shopAbout = new ShopAbout();
shopAbout.Images = new ObservableCollection<ShopImage>();
if (App.logged_in == false) // this function only applies to a logged in user
return shopAbout;
List<Parameter> parameters = new List<Parameter>();
parameters.Add(new Parameter("includes", "Images")); // get the listings' details
baseURL = string.Format("{0}/shops/{1}/about", baseURL, shop.shop_id);
baseURL = AuthenticationAccess.addAuthentication(baseURL, parameters, "GET");
AboutDeserializeCapturer aDes = new AboutDeserializeCapturer();
try
{
var jsonStream = await client.GetStreamAsync(baseURL);
using (StreamReader reader = new StreamReader(jsonStream))
{
var serializer = new DataContractJsonSerializer(typeof(AboutDeserializeCapturer));
aDes = (AboutDeserializeCapturer)serializer.ReadObject(jsonStream);
if(aDes != null)
if (aDes.results != null)
if (aDes.results.Count > 0)
shopAbout = aDes.results[0];
}
}
catch (Exception e)
{
errorMessage = e.Message;
}
return shopAbout;
}
/// <summary>
/// Send a DELETE request to remove the specified user from the logged in user's favorites
/// </summary>
/// <param name="shop"></param>
/// <param name="user_id"></param>
/// <returns></returns>
public static async Task RemoveFavoriteUser(GeneralInfo shop)
{
HttpClient client = new HttpClient();
string baseURL = App.baseURL, errorMessage = "";
if (App.logged_in == false) // this function only applies to a logged in user
return;
List<Parameter> parameters = new List<Parameter>();
parameters.Add(new Parameter("target_user_id", shop.user_id.ToString()));
baseURL = string.Format("{0}/users/{1}/favorites/users/{2}", baseURL, App.userID, shop.user_id);
baseURL = AuthenticationAccess.addAuthentication(baseURL, parameters, "DELETE");
try
{
HttpResponseMessage response = await client.DeleteAsync(baseURL);
var jsonString = await response.Content.ReadAsStringAsync();
shop.isFavorite = false;
}
catch (Exception e)
{
errorMessage = e.Message;
}
}