public static ODataRoute CustomMapODataServiceRoute(this HttpConfiguration configuration, string routeName, string routePrefix)
{
ODataRoute route = configuration.MapODataServiceRoute(routeName, routePrefix, builder =>
{
// Get the model from the datasource of the current request: model-per-request.
builder.AddService(ServiceLifetime.Scoped, sp =>
{
IHttpRequestMessageProvider requestMessageProvider = sp.GetRequiredService <IHttpRequestMessageProvider>();
string dataSource = requestMessageProvider.Request.Properties[Constants.ODataDataSource] as string;
IEdmModel model = DataSourceProvider.GetEdmModel(dataSource);
return(model);
});
// Create a request provider for every request. This is a workaround for the missing HttpContext of a self-hosted webapi.
builder.AddService <IHttpRequestMessageProvider>(ServiceLifetime.Scoped, sp => new HttpRequestMessageProvider());
// The routing conventions are registered as singleton.
builder.AddService(ServiceLifetime.Singleton, sp =>
{
IList <IODataRoutingConvention> routingConventions = ODataRoutingConventions.CreateDefault();
routingConventions.Insert(0, new MatchAllRoutingConvention());
return(routingConventions.ToList().AsEnumerable());
});
});
CustomODataRoute odataRoute = new CustomODataRoute(route.RoutePrefix, new CustomODataPathRouteConstraint(routeName));
configuration.Routes.Remove(routeName);
configuration.Routes.Add(routeName, odataRoute);
return(odataRoute);
}
private static ODataRoute CustomMapODataServiceRoute(
HttpRouteCollection routes,
string routeName,
string routePrefix,
Func <HttpRequestMessage, IEdmModel> modelProvider,
IODataPathHandler pathHandler,
IEnumerable <IODataRoutingConvention> routingConventions,
ODataBatchHandler batchHandler)
{
if (!string.IsNullOrEmpty(routePrefix))
{
int prefixLastIndex = routePrefix.Length - 1;
if (routePrefix[prefixLastIndex] == '/')
{
routePrefix = routePrefix.Substring(0, routePrefix.Length - 1);
}
}
if (batchHandler != null)
{
batchHandler.ODataRouteName = routeName;
string batchTemplate = string.IsNullOrEmpty(routePrefix)
? ODataRouteConstants.Batch
: routePrefix + '/' + ODataRouteConstants.Batch;
routes.MapHttpBatchRoute(routeName + "Batch", batchTemplate, batchHandler);
}
CustomODataPathRouteConstraint routeConstraint = new CustomODataPathRouteConstraint(
pathHandler,
modelProvider,
routeName,
routingConventions);
CustomODataRoute odataRoute = new CustomODataRoute(routePrefix, routeConstraint);
routes.Add(routeName, odataRoute);
return(odataRoute);
}
private static ODataRoute CustomMapODataServiceRoute(
HttpRouteCollection routes,
string routeName,
string routePrefix,
Func<HttpRequestMessage, IEdmModel> modelProvider,
IODataPathHandler pathHandler,
IEnumerable<IODataRoutingConvention> routingConventions,
ODataBatchHandler batchHandler)
{
if (!string.IsNullOrEmpty(routePrefix))
{
int prefixLastIndex = routePrefix.Length - 1;
if (routePrefix[prefixLastIndex] == '/')
{
routePrefix = routePrefix.Substring(0, routePrefix.Length - 1);
}
}
if (batchHandler != null)
{
batchHandler.ODataRouteName = routeName;
string batchTemplate = string.IsNullOrEmpty(routePrefix)
? ODataRouteConstants.Batch
: routePrefix + '/' + ODataRouteConstants.Batch;
routes.MapHttpBatchRoute(routeName + "Batch", batchTemplate, batchHandler);
}
CustomODataPathRouteConstraint routeConstraint = new CustomODataPathRouteConstraint(
pathHandler,
modelProvider,
routeName,
routingConventions);
CustomODataRoute odataRoute = new CustomODataRoute(routePrefix, routeConstraint);
routes.Add(routeName, odataRoute);
return odataRoute;
}
