public virtual async Task <object> ProcessQueryAsync(
HttpRequest request,
object value,
Type elementClrType,
bool ignoreSkip = false,
bool ignoreTop = false)
{
var model = request.ODataFeature().Model;
if (request.GetDisplayUrl() == null || value == null ||
value.GetType().GetTypeInfo().IsValueType || value is string)
{
return(value);
}
var queryContext = new ODataQueryContext(
model,
elementClrType,
request.ODataFeature().Path);
var shouldApplyQuery =
request.HasQueryOptions() ||
PageSize.HasValue ||
new InterceptorContainer(elementClrType, request.HttpContext.RequestServices).Any ||
value is SingleResult ||
ODataCountMediaTypeMapping.IsCountRequest(request.HttpContext) ||
ContainsAutoExpandProperty(queryContext, QuerySettings);
if (!shouldApplyQuery)
{
return(value);
}
var queryOptions = new ODataQueryOptions(queryContext, request, request.HttpContext.RequestServices);
if (ignoreSkip)
{
queryOptions.IgnoreSkip = true;
}
if (ignoreSkip)
{
queryOptions.IgnoreTop = true;
}
var processedResult = await ApplyQueryOptionsAsync(
value,
queryOptions);
var enumberable = processedResult as IEnumerable <object>;
if (enumberable != null)
{
long?count = null;
// Apply count to result, if necessary, and return as a page result
if (queryOptions.Count)
{
//count = request.ODataFeature().TotalCount;
count = await Count(value, queryOptions);
}
// We might be getting a single result, so no paging involved
var nextPageLink = request.ODataFeature().NextLink;
var pageResult = new PageResult <object>(enumberable, nextPageLink, count);
value = pageResult;
}
else
{
// Return just the single entity
value = processedResult;
}
return(value);
}
public override void OnActionExecuted(ActionExecutedContext context)
{
if (context == null)
{
throw Error.ArgumentNull("context");
}
var response = context.Result as StatusCodeResult;
if (response != null)// && !response.IsSuccessStatusCode())
{
return;
}
var request = context.HttpContext.Request;
var model = request.ODataFeature().Model;
if (model == null)
{
throw Error.InvalidOperation(SRResources.QueryGetModelMustNotReturnNull);
}
var result = context.Result as ObjectResult;
if (result == null)
{
if (context.Exception != null)
{
throw context.Exception;
}
throw Error.Argument("context", SRResources.QueryingRequiresObjectContent, context.Result.GetType().FullName);
}
if (result?.Value is ODataError)
{
return;
}
var value = result.Value;
if (request.GetDisplayUrl() == null || value == null ||
value.GetType().GetTypeInfo().IsValueType || value is string)
{
return;
}
var elementClrType = result.GetElementType();
var queryContext = new ODataQueryContext(
model,
elementClrType,
request.ODataFeature().Path);
var shouldApplyQuery =
request.HasQueryOptions() ||
ResolvePageSize(_querySettings, context.ActionDescriptor).HasValue ||
new InterceptorContainer(elementClrType, context.HttpContext.RequestServices).Any ||
value is SingleResult ||
ODataCountMediaTypeMapping.IsCountRequest(context.HttpContext) ||
ContainsAutoExpandProperty(queryContext);
if (!shouldApplyQuery)
{
return;
}
var queryOptions = new ODataQueryOptions(queryContext, request, context.HttpContext.RequestServices);
long?count = null;
var processedResult = ApplyQueryOptions(result.Value, queryOptions, context.ActionDescriptor);
var enumberable = processedResult as IEnumerable <object>;
if (enumberable != null)
{
// Apply count to result, if necessary, and return as a page result
if (queryOptions.Count)
{
count = request.ODataFeature().TotalCount;
count = Count(result.Value, queryOptions, context.ActionDescriptor);
}
// We might be getting a single result, so no paging involved
var nextPageLink = request.ODataFeature().NextLink;
var pageResult = new PageResult <object>(enumberable, nextPageLink, count);
result.Value = pageResult;
}
else
{
// Return just the single entity
result.Value = processedResult;
}
}
