public async Task HandleAsync(SearchQuerySubmittedMessage message)
{
if (!NetworkInterface.GetIsNetworkAvailable())
{
_statusService.SetNetworkUnavailable();
return;
}
_statusService.Message = "Loading Images for " + message.Query;
_statusService.IsLoading = true;
try
{
// Remove any existing searches for this query
var searches = _settings.Searches;
var existing = searches.FirstOrDefault(s => s.Query.Equals(message.Query, StringComparison.CurrentCultureIgnoreCase));
if (existing != null)
{
searches.Remove(existing);
}
// Search Bing
var images = await _imageSearchService.Search(message.Query, _settings.Rating, _settings.ImageResultSize);
if (!images.Any())
{
_statusService.SetBingUnavailable();
return;
}
// Store results in app settings
var instance = new SearchInstance()
{
Images = images,
SearchedOn = DateTime.Today,
Query = message.Query
};
searches.Insert(0, instance);
_settings.Searches = searches;
_settings.SelectedInstance = instance;
await _settings.SaveAsync();
// Navigate
_navigationService.Navigate(typeof(SearchResultsPage));
}
catch (InvalidOperationException ex)
{
var baseEx = ex.GetBaseException();
if (baseEx is WebException)
{
_statusService.SetBingUnavailable();
return;
}
throw;
}
finally
{
_statusService.IsLoading = false;
}
}
public async Task LoadMore(SearchInstance instance, Rating rating, ResultSize resultSize)
{
var imagesToAdd = await Search(instance.Query, rating, resultSize, instance.Images.Count + 1);
foreach (var image in imagesToAdd)
{
instance.Images.Add(image);
}
}
public SearchInstance SampleSearchInstance(
string query = "Sample Query",
int imageCount = 10)
{
var instance = new SearchInstance()
{
Query = query, Images = new List <ImageResult>()
};
for (int i = 0; i < imageCount; i++)
{
instance.Images.Add(new ImageResult()
{
Title = "Sample Image " + i,
Thumbnail = new Thumbnail()
{
MediaUrl = "http://example.com/sample" + i + ".jpg"
}
});
}
return(instance);
}
public SearchResultsPageViewModelScenario()
{
var testInstance = new SearchInstance()
{
Query = "Search1",
Images = new List <ImageResult>()
{
new ImageResult()
{
MediaUrl = "http://example.com"
}
}
};
ApplicationSettings.Searches.Add(testInstance);
ApplicationSettings.SelectedInstance = testInstance;
_imageSearchService = new MockImageSearchService();
_accelerometer = new MockAccelerometer();
_sharePump = new MockShareDataRequestedPump();
ViewModel = new SearchResultsPageViewModel(ApplicationSettings,
NavigationService, _imageSearchService, MessageHub,
_accelerometer, new MockStatusService(), _sharePump);
}
public bool SettingsSelectedInstanceIs(SearchInstance instance)
{
return(ApplicationSettings.SelectedInstance == instance);
}
public void ChangingSelectedItemTo(SearchInstance instance)
{
ViewModel.SelectedItem = instance;
}
public void Setup()
{
_instance = Given.SampleSearchInstance();
When.ChangingSelectedItemTo(_instance);
}
public Task LoadMore(SearchInstance instance, Rating rating, ResultSize resultSize)
{
return(Task.Run(() => { }));
}
public UpdateTileImageCollectionMessage(SearchInstance instance)
{
Instance = instance;
}
public void UpdatingTileWith(SearchInstance ImageResult)
{
WhenHandling(() => new UpdateTileImageCollectionMessage(ImageResult));
}
public void Setup()
{
_instance = Given.SampleSearchInstance();
When.UpdatingTileWith(_instance);
}
