public IEnumerable ComposeQuery(IEnumerable rootedQuery, string url)
{
var urlComposer = new UrlQueryComposer();
// We already know it's an IQueryable.
var elementType = rootedQuery.GetType().GetGenericArguments()[0];
// To retrieve the actual count without Take/Skip, remove those
// arguments from the query string and execute the count using
// the query translator too.
var queryString = HttpUtility.ParseQueryString(new Uri(url).Query);
queryString.Remove("$skip");
queryString.Remove("$top");
var filteredUri = new UriBuilder(url);
filteredUri.Query = queryString.ToString();
var resultForCount = urlComposer.ComposeQuery(rootedQuery, filteredUri.Uri.AbsoluteUri);
var count = CountMethod.MakeGenericMethod(elementType).Invoke(null, new object[] { resultForCount });
// Ensure limit is not exceeded.
queryString = HttpUtility.ParseQueryString(new Uri(url).Query);
var topLimit = (int)CallContext.LogicalGetData(QueryLimitData);
var top = topLimit;
if (int.TryParse(queryString["$top"], out top))
{
if (top > topLimit)
{
top = topLimit;
}
}
else
{
top = topLimit;
}
queryString["$top"] = top.ToString();
var sanitizedUri = new UriBuilder(url);
sanitizedUri.Query = queryString.ToString();
var result = urlComposer.ComposeQuery(rootedQuery, sanitizedUri.Uri.AbsoluteUri);
CallContext.LogicalSetData(TotalCountHeader, count.ToString());
return(result);
}
public IEnumerable ComposeQuery(IEnumerable rootedQuery, string url)
{
var urlComposer = new UrlQueryComposer();
// We already know it's an IQueryable.
var elementType = rootedQuery.GetType().GetGenericArguments()[0];
// To retrieve the actual count without Take/Skip, remove those
// arguments from the query string and execute the count using
// the query translator too.
var queryString = HttpUtility.ParseQueryString(new Uri(url).Query);
queryString.Remove("$skip");
queryString.Remove("$top");
var filteredUri = new UriBuilder(url);
filteredUri.Query = queryString.ToString();
var resultForCount = urlComposer.ComposeQuery(rootedQuery, filteredUri.Uri.AbsoluteUri);
var count = CountMethod.MakeGenericMethod(elementType).Invoke(null, new object[] { resultForCount });
// Ensure limit is not exceeded.
queryString = HttpUtility.ParseQueryString(new Uri(url).Query);
var topLimit = (int)CallContext.LogicalGetData(QueryLimitData);
var top = topLimit;
if (int.TryParse(queryString["$top"], out top))
{
if (top > topLimit)
top = topLimit;
}
else
{
top = topLimit;
}
queryString["$top"] = top.ToString();
var sanitizedUri = new UriBuilder(url);
sanitizedUri.Query = queryString.ToString();
var result = urlComposer.ComposeQuery(rootedQuery, sanitizedUri.Uri.AbsoluteUri);
CallContext.LogicalSetData(TotalCountHeader, count.ToString());
return result;
}
