public async Task LoadResults(ObservableResultCollection collection, uint count)
{
bool loadFailed = false;
var task = Task <IEnumerable <IDictionary <string, object> > > .Factory.StartNew(() =>
{
try
{
var odataClient = new ODataClient(collection.ServiceUrl);
return(odataClient
.From(collection.CollectionName)
.Skip(collection.Count)
.Top(Math.Max((int)count, PageSize))
.FindEntries());
}
catch (Exception exception)
{
loadFailed = true;
var error = new Dictionary <string, object>()
{
{
"Error",
exception.InnerException == null ?
exception.Message :
exception.InnerException.Message
}
};
return(new List <IDictionary <string, object> > {
error
});
}
});
collection.MainPage.EnableResultProgressBar(true);
var results = await task;
collection.MainPage.EnableResultProgressBar(false);
if (results != null)
{
collection.HasMoreItems = results.Any() && !loadFailed;
foreach (var result in results)
{
collection.Add(new ResultDataItem(result, collection.Table));
}
_results.Count = (uint)results.Count();
}
else
{
collection.HasMoreItems = false;
}
_asyncStatus = AsyncStatus.Completed;
if (Completed != null)
{
Completed(this, _asyncStatus);
}
}
public ResultLoader(ObservableResultCollection collection, uint count)
{
LoadResults(collection, count);
}
