private static SearchResultPager GetSearchResultPager(IncomingWebRequestContext context, int pageSize, string token)
{
SearchResultPager p;
if (token == null)
{
string filter = WebResponseHelper.GetFilterText(context);
CultureInfo locale = WebResponseHelper.GetLocale();
IEnumerable <string> attributes = WebResponseHelper.GetAttributes(context);
if (attributes != null)
{
p = Global.Client.GetResourcesPaged(filter, pageSize, attributes, locale);
}
else
{
p = Global.Client.GetResourcesPaged(filter, pageSize, locale);
}
}
else
{
p = (SearchResultPager)ResourceManagementWebServicev2.searchCache.Remove(ResourceManagementWebServicev2.BuildCacheKey(token));
if (p == null)
{
throw new ArgumentException("Invalid token");
}
}
return(p);
}
public Stream GetResourcesPaged()
{
try
{
IncomingWebRequestContext context = WebOperationContext.Current?.IncomingRequest;
if (context == null)
{
throw new InvalidOperationException();
}
string currentIndexParam = context.UriTemplateMatch.QueryParameters["index"];
string token = context.UriTemplateMatch.QueryParameters["token"];
int pageSize = WebResponseHelper.GetPageSize(context);
int index = currentIndexParam == null ? -1 : Convert.ToInt32(currentIndexParam);
SearchResultPager p = ResourceManagementWebServicev2.GetSearchResultPager(context, pageSize, token);
token = token ?? Guid.NewGuid().ToString();
if (index >= 0)
{
p.CurrentIndex = index;
}
p.PageSize = pageSize;
int oldIndex = p.CurrentIndex;
PagedResultSet results = new PagedResultSet
{
Results = p.GetNextPage().ToList(),
};
ResourceManagementWebServicev2.GetPageUris(context, oldIndex, pageSize, token, p, out Uri previousPageUri, out Uri nextPageUri);
results.NextPage = nextPageUri?.ToString();
results.PreviousPage = previousPageUri?.ToString();
results.TotalCount = p.TotalCount;
results.HasMoreItems = results.NextPage != null;
ResourceManagementWebServicev2.searchCache.Add(ResourceManagementWebServicev2.BuildCacheKey(token), p, new CacheItemPolicy()
{
SlidingExpiration = new TimeSpan(0, 5, 0)
});
return(WebResponseHelper.GetResponse(results, false));
}
catch (WebFaultException)
{
throw;
}
catch (WebFaultException <Error> )
{
throw;
}
catch (Exception ex)
{
ResourceManagementWebServicev2.HandleException(ex);
throw;
}
}
