/// <summary>
/// Transforms a POST request targeted at a resource path ending in $query into a GET request.
/// The query options are parsed from the request body and appended to the request URL.
/// </summary>
/// <param name="request">The request.</param>
internal static void TransformQueryRequest(this HttpRequest request)
{
// Fetch parser capable of parsing the query options in the request body
IODataQueryOptionsParser queryOptionsParser = ODataQueryOptionsParserFactory.GetQueryOptionsParser(request);
// Parse query options in request body
string queryOptions = queryOptionsParser.ParseAsync(request.Body).Result;
string requestPath = request.Path.Value;
string queryString = request.QueryString.Value;
// Strip off the /$query part
requestPath = requestPath.Substring(0, requestPath.LastIndexOf('/' + ODataRouteConstants.QuerySegment, StringComparison.OrdinalIgnoreCase));
if (!string.IsNullOrWhiteSpace(queryOptions))
{
if (string.IsNullOrWhiteSpace(queryString))
{
queryString = '?' + queryOptions;
}
else
{
queryString += '&' + queryOptions;
}
}
request.Path = new PathString(requestPath);
request.QueryString = new QueryString(queryString);
request.Method = HttpMethods.Get;
}
/// <summary>
/// Transforms a POST request targeted at a resource path ending in $query into a GET request.
/// The query options are parsed from the request body and appended to the request URL.
/// </summary>
/// <param name="request">The request.</param>
internal static void TransformQueryRequest(this HttpRequestMessage request)
{
// Fetch parser capable of parsing the query options in the request body
IODataQueryOptionsParser queryOptionsParser = ODataQueryOptionsParserFactory.GetQueryOptionsParser(request);
// Parse query options in request body
Stream requestStream = request.Content.ReadAsStreamAsync().Result;
string queryOptions = queryOptionsParser.ParseAsync(requestStream).Result;
Uri requestUri = request.RequestUri;
string requestPath = requestUri.LocalPath;
string queryString = requestUri.Query;
// Strip off the /$query part
requestPath = requestPath.Substring(0, requestPath.LastIndexOf('/' + ODataRouteConstants.QuerySegment, StringComparison.OrdinalIgnoreCase));
if (!string.IsNullOrWhiteSpace(queryOptions))
{
if (string.IsNullOrWhiteSpace(queryString))
{
queryString = '?' + queryOptions;
}
else
{
queryString += '&' + queryOptions;
}
}
request.RequestUri = new UriBuilder(requestUri.Scheme, requestUri.Host, requestUri.Port, requestPath, queryString).Uri;
request.Method = HttpMethod.Get;
}
protected override void UpdateConfiguration(WebRouteConfiguration configuration)
{
IList <IODataQueryOptionsParser> queryOptionsParsers = ODataQueryOptionsParserFactory.Create();
queryOptionsParsers.Insert(0, new CustomODataQueryOptionsParser());
configuration.Routes.Clear();
configuration.Count().Filter().OrderBy().Expand().MaxTop(null).Select();
configuration.MapODataServiceRoute(
"odata",
"odata",
configureAction: containerBuilder => containerBuilder
.AddService(Microsoft.OData.ServiceLifetime.Singleton, typeof(IEdmModel),
_ => GetEdmModel(configuration))
.AddService(Microsoft.OData.ServiceLifetime.Singleton, typeof(IODataPathHandler),
_ => new DefaultODataPathHandler())
.AddService(Microsoft.OData.ServiceLifetime.Singleton, typeof(IEnumerable <IODataRoutingConvention>),
_ => ODataRoutingConventions.CreateDefault())
.AddService(Microsoft.OData.ServiceLifetime.Singleton, typeof(IEnumerable <IODataQueryOptionsParser>),
_ => queryOptionsParsers)
);
}
public void PlainTextODataQueryOptionsParser_IsReturnedBy_ODataQueryOptionsParserFactory()
{
var parsers = ODataQueryOptionsParserFactory.Create();
Assert.Contains(parsers, p => p.GetType().Equals(typeof(PlainTextODataQueryOptionsParser)));
}
/// <summary>
/// Create a container builder with the default OData services.
/// </summary>
/// <returns>An instance of <see cref="IContainerBuilder"/> to manage services.</returns>
protected IContainerBuilder CreateContainerBuilderWithCoreServices()
{
IContainerBuilder builder;
if (this.BuilderFactory != null)
{
builder = this.BuilderFactory();
if (builder == null)
{
throw Error.InvalidOperation(SRResources.NullContainerBuilder);
}
}
else
{
builder = new DefaultContainerBuilder();
}
builder.AddDefaultODataServices();
// Set Uri resolver to by default enabling unqualified functions/actions and case insensitive match.
builder.AddService(
ServiceLifetime.Singleton,
typeof(ODataUriResolver),
sp => new UnqualifiedODataUriResolver { EnableCaseInsensitive = true });
// Add parsers for requests targeted at resource paths ending in $query
builder.AddService(ServiceLifetime.Singleton, typeof(IEnumerable<IODataQueryOptionsParser>), sp => ODataQueryOptionsParserFactory.Create());
return builder;
}
