/// <summary>
/// Initializes a new instance of the <see cref="ODataRoutingApplicationModelProvider" /> class.
/// </summary>
/// <param name="conventions">The registered OData routing conventions.</param>
/// <param name="options">The registered OData options.</param>
public ODataRoutingApplicationModelProvider(
IEnumerable <IODataControllerActionConvention> conventions,
IOptions <ODataOptions> options)
{
_conventions = conventions;
_options = options.Value;
_controllerActionConventions = conventions.Where(c => c.GetType() != typeof(AttributeRoutingConvention)).OrderBy(p => p.Order).ToArray();
}
/// <summary>
/// Parse the odata path.
/// </summary>
/// <param name="model">The model to use for path parsing.</param>
/// <param name="serviceRoot">The service root of the OData path.</param>
/// <param name="odataPath">The OData path to parse.</param>
/// <param name="template">The flag indicates whether the path is template or not.</param>
/// <param name="serviceProvider">The service proivder.</param>
/// <param name="httpContext"></param>
/// <param name="resolverSettings"></param>
/// <returns>A parsed representation of the path, or <c>null</c> if the path does not match the model.</returns>
public static ODataPath Parse(IEdmModel model, string serviceRoot, string odataPath, bool template, IServiceProvider serviceProvider, ODataUriResolverSettings resolverSettings)
{
ODL.ODataUriParser uriParser;
Uri serviceRootUri = null;
Uri fullUri = null;
// TODO: Replace this type.
//NameValueCollection queryString = null;
ODataOptions options = serviceProvider.GetRequiredService <IOptions <ODataOptions> >().Value;
if (template)
{
uriParser = new ODL.ODataUriParser(model, new Uri(odataPath, UriKind.Relative), serviceProvider);
uriParser.EnableUriTemplateParsing = true;
}
else
{
Contract.Assert(serviceRoot != null);
serviceRootUri = new Uri(
serviceRoot.EndsWith("/", StringComparison.Ordinal) ?
serviceRoot :
serviceRoot + "/");
fullUri = new Uri(serviceRootUri, odataPath);
//queryString = fullUri.ParseQueryString();
uriParser = new ODL.ODataUriParser(model, serviceRootUri, fullUri, serviceProvider);
}
uriParser.Resolver = resolverSettings.CreateResolver();
if (options.UrlKeyDelimiter != null)
{
uriParser.UrlKeyDelimiter = options.UrlKeyDelimiter;
}
else
{
// ODL changes to use ODataUrlKeyDelimiter.Slash as default value.
// Web API still uses the ODataUrlKeyDelimiter.Parentheses as default value.
// Please remove it after fix: https://github.com/OData/odata.net/issues/642
uriParser.UrlKeyDelimiter = ODataUrlKeyDelimiter.Parentheses;
}
ODL.ODataPath path;
UnresolvedPathSegment unresolvedPathSegment = null;
ODL.KeySegment id = null;
try
{
path = uriParser.ParsePath();
}
catch (ODL.ODataUnrecognizedPathException ex)
{
if (ex.ParsedSegments != null &&
ex.ParsedSegments.Any() &&
(ex.ParsedSegments.Last().EdmType is IEdmComplexType ||
ex.ParsedSegments.Last().EdmType is IEdmEntityType) &&
ex.CurrentSegment != ODataSegmentKinds.Count)
{
if (!ex.UnparsedSegments.Any())
{
path = new ODL.ODataPath(ex.ParsedSegments);
unresolvedPathSegment = new UnresolvedPathSegment(ex.CurrentSegment);
}
else
{
// Throw ODataException if there is some segment following the unresolved segment.
throw new ODataException(Error.Format(
SRResources.InvalidPathSegment,
ex.UnparsedSegments.First(),
ex.CurrentSegment));
}
}
else
{
throw;
}
}
if (!template && path.LastSegment is ODL.NavigationPropertyLinkSegment)
{
IEdmCollectionType lastSegmentEdmType = path.LastSegment.EdmType as IEdmCollectionType;
if (lastSegmentEdmType != null)
{
ODL.EntityIdSegment entityIdSegment = null;
bool exceptionThrown = false;
try
{
entityIdSegment = uriParser.ParseEntityId();
if (entityIdSegment != null)
{
// Create another ODataUriParser to parse $id, which is absolute or relative.
ODL.ODataUriParser parser = new ODL.ODataUriParser(model, serviceRootUri, entityIdSegment.Id);
id = parser.ParsePath().LastSegment as ODL.KeySegment;
}
}
catch (ODataException)
{
// Exception was thrown while parsing the $id.
// We will throw another exception about the invalid $id.
exceptionThrown = true;
}
if (exceptionThrown ||
(entityIdSegment != null &&
(id == null ||
!(id.EdmType.IsOrInheritsFrom(lastSegmentEdmType.ElementType.Definition) ||
lastSegmentEdmType.ElementType.Definition.IsOrInheritsFrom(id.EdmType)))))
{
throw new ODataException(Error.Format(SRResources.InvalidDollarId, "$id" /*queryString.Get("$id")*/));
}
}
}
// do validation for the odata path
path.WalkWith(new DefaultODataPathValidator(model));
// do segment translator (for example parameter alias, key & function parameter template, etc)
var segments =
ODataPathSegmentTranslator.Translate(model, path, uriParser.ParameterAliasNodes).ToList();
if (unresolvedPathSegment != null)
{
segments.Add(unresolvedPathSegment);
}
if (!template)
{
AppendIdForRef(segments, id);
}
return(new ODataPath(segments)
{
ODLPath = path
});
}
/// <summary>
/// Maps the specified OData route and the OData route attributes.
/// </summary>
/// <param name="builder">The <see cref="IEndpointRouteBuilder"/> to add the route to.</param>
/// <param name="routeName">The name of the route to map.</param>
/// <param name="routePrefix">The prefix to add to the OData route's path template.</param>
/// <param name="configureAction">The configuring action to add the services to the root container.</param>
/// <returns>The input <see cref="IEndpointRouteBuilder"/>.</returns>
public static IEndpointRouteBuilder MapODataRoute(this IEndpointRouteBuilder builder,
string routeName,
string routePrefix,
Action <IContainerBuilder> configureAction)
{
if (builder == null)
{
throw new ArgumentNullException(nameof(builder));
}
if (routeName == null)
{
throw new ArgumentNullException(nameof(routeName));
}
// Build and configure the root container.
IServiceProvider serviceProvider = builder.ServiceProvider;
IPerRouteContainer perRouteContainer = serviceProvider.GetRequiredService <IPerRouteContainer>();
if (perRouteContainer == null)
{
throw new InvalidOperationException(string.Format(CultureInfo.InvariantCulture, SRResources.MissingODataServices, nameof(IPerRouteContainer)));
}
// Make sure the MetadataController is registered with the ApplicationPartManager.
ApplicationPartManager applicationPartManager = serviceProvider.GetRequiredService <ApplicationPartManager>();
applicationPartManager.ApplicationParts.Add(new AssemblyPart(typeof(MetadataController).Assembly));
// Create an service provider for this route. Add the default services to the custom configuration actions.
Action <IContainerBuilder> builderAction = ConfigureDefaultServices(builder, configureAction);
IServiceProvider subServiceProvider = perRouteContainer.CreateODataRootContainer(routeName, builderAction);
// Resolve the path handler and set URI resolver to it.
IODataPathHandler pathHandler = subServiceProvider.GetRequiredService <IODataPathHandler>();
// If settings is not on local, use the global configuration settings.
ODataOptions options = serviceProvider.GetRequiredService <ODataOptions>();
//if (pathHandler != null && pathHandler.UrlKeyDelimiter == null)
//{
// pathHandler.UrlKeyDelimiter = options.UrlKeyDelimiter;
//}
// Resolve HTTP handler, create the OData route and register it.
routePrefix = RemoveTrailingSlash(routePrefix);
// If a batch handler is present, register the route with the batch path mapper. This will be used
// by the batching middleware to handle the batch request. Batching still requires the injection
// of the batching middleware via UseODataBatching().
ODataBatchHandler batchHandler = subServiceProvider.GetService <ODataBatchHandler>();
if (batchHandler != null)
{
// TODO: for the $batch, need refactor/test it for more.
batchHandler.ODataRouteName = routeName;
string batchPath = String.IsNullOrEmpty(routePrefix)
? '/' + ODataRouteConstants.Batch
: '/' + routePrefix + '/' + ODataRouteConstants.Batch;
ODataBatchPathMapping batchMapping = builder.ServiceProvider.GetRequiredService <ODataBatchPathMapping>();
batchMapping.IsEndpointRouting = true;
batchMapping.AddRoute(routeName, batchPath);
}
builder.MapDynamicControllerRoute <ODataEndpointRouteValueTransformer>(
ODataEndpointPattern.CreateODataEndpointPattern(routeName, routePrefix));
perRouteContainer.AddRoute(routeName, routePrefix);
return(builder);
}
