internal static void SetupProtocolRequest(QueryExpression expression, IODataRequestManager requestManager, IQueryToODataPayloadConverter queryToPayloadConverter, ODataUri uri, HttpHeaderCollection headers, string actionContentType, out Contracts.OData.ODataRequest request)
{
HttpVerb requestVerb = HttpVerb.Get;
if (uri.IsAction())
{
requestVerb = HttpVerb.Post;
}
if (uri.IsWebInvokeServiceOperation())
{
requestVerb = HttpVerb.Post;
}
request = requestManager.BuildRequest(uri, requestVerb, headers);
if (uri.IsAction())
{
var procedurePayload = queryToPayloadConverter.ComputePayload(expression) as ComplexInstance;
if (procedurePayload != null)
{
request.Headers.Add(HttpHeaders.ContentType, actionContentType);
FixupAddingResultWrappers(actionContentType, procedurePayload);
// TODO: Need to understand if product allow an Html form even if no parameters specified
request.Body = requestManager.BuildBody(actionContentType, uri, procedurePayload);
}
}
}
internal static HttpStatusCode GetExpectedStatusCode(ODataUri uri, IODataUriEvaluator evaluator)
{
bool specialStatusCodeIfNull = false;
specialStatusCodeIfNull |= uri.IsNamedStream();
specialStatusCodeIfNull |= uri.IsMediaResource();
specialStatusCodeIfNull |= uri.IsEntity();
specialStatusCodeIfNull |= uri.IsEntityReferenceLink();
specialStatusCodeIfNull |= uri.IsPropertyValue();
bool uriIsValue = uri.IsNamedStream() || uri.IsMediaResource();
// For an action it is evaluated specially via the actionresponse verifier, skip eval here
if (!uri.IsAction() && specialStatusCodeIfNull && evaluator.Evaluate(uri).IsNull)
{
if (uriIsValue)
{
return HttpStatusCode.NoContent;
}
else
{
return HttpStatusCode.NotFound;
}
}
return HttpStatusCode.OK;
}
/// <summary>
/// Calculates the protocol version based on the ODataUri provided
/// </summary>
/// <param name="uri">OData Uri to analyze</param>
/// <param name="contentType">Content Type</param>
/// <param name="maxProtocolVersion">The max protocol version</param>
/// <param name="dataServiceVersion">The data service version of the request</param>
/// <param name="maxDataServiceVersion">The max data service version of the request</param>
/// <returns>Data Service Protocol Version</returns>
public DataServiceProtocolVersion CalculateProtocolVersion(ODataUri uri, string contentType, DataServiceProtocolVersion maxProtocolVersion, DataServiceProtocolVersion dataServiceVersion, DataServiceProtocolVersion maxDataServiceVersion)
{
ExceptionUtilities.CheckArgumentNotNull(uri, "uri");
ExceptionUtilities.Assert(maxProtocolVersion != DataServiceProtocolVersion.Unspecified, "Max protocol version cannot be unspecified");
if (uri.IsMetadata())
{
throw new TaupoNotSupportedException("Context uri should be processed by Entity Model Version Calculator instead");
}
DataServiceProtocolVersion expectedVersion = DataServiceProtocolVersion.V4;
if (uri.IncludesInlineCountAllPages())
{
expectedVersion = VersionHelper.IncreaseVersionIfRequired(expectedVersion, DataServiceProtocolVersion.V4);
}
if (uri.IsCount())
{
expectedVersion = VersionHelper.IncreaseVersionIfRequired(expectedVersion, DataServiceProtocolVersion.V4);
}
else if (uri.IsEntityReferenceLink() || uri.IsNamedStream() || uri.IsPropertyValue())
{
// If the uri points to a Link, $value or a named stream their response DSV's are V1 because their payloads are understood by V1
expectedVersion = VersionHelper.IncreaseVersionIfRequired(expectedVersion, DataServiceProtocolVersion.V4);
}
else if (uri.HasOpenProperties())
{
expectedVersion = VersionHelper.IncreaseVersionIfRequired(expectedVersion, VersionHelper.GetMinimumVersion(maxProtocolVersion, maxDataServiceVersion));
}
else if (uri.IsProperty())
{
var propertySegment = (PropertySegment)uri.LastSegment;
expectedVersion = VersionHelper.IncreaseVersionIfRequired(expectedVersion, VersionHelper.CalculateProtocolVersion(propertySegment.Property));
}
else if (uri.IsAction())
{
var action = (FunctionSegment)uri.LastSegment;
if (action.Function.ReturnType != null)
{
var collectionReturnType = action.Function.ReturnType as CollectionDataType;
// If its a collection this doesn't bump things to V3 as this is normal behavior from ServiceOperations V1, so only determining version based on non data type
DataType versionType = action.Function.ReturnType;
var entityVersionType = action.Function.ReturnType as EntityDataType;
if (collectionReturnType != null)
{
entityVersionType = collectionReturnType.ElementDataType as EntityDataType;
if (entityVersionType != null)
{
versionType = entityVersionType;
}
}
// Bump if its an open type
if (entityVersionType != null && entityVersionType.Definition.IsOpen)
{
expectedVersion = VersionHelper.IncreaseVersionIfRequired(expectedVersion, VersionHelper.GetMinimumVersion(maxProtocolVersion, maxDataServiceVersion));
}
expectedVersion = VersionHelper.IncreaseVersionIfRequired(expectedVersion, VersionHelper.CalculateDataTypeVersion(versionType));
}
}
else
{
ExceptionUtilities.CheckArgumentNotNull(contentType, "contentType");
List<DataServiceProtocolVersion> dataServiceProtocolVersions = uri.GetAllEntitySetsIncludingExpands().Select(es => es.CalculateEntitySetProtocolVersion(contentType, VersionCalculationType.Response, maxProtocolVersion, maxDataServiceVersion)).ToList();
dataServiceProtocolVersions.Add(expectedVersion);
expectedVersion = VersionHelper.GetMaximumVersion(dataServiceProtocolVersions.ToArray());
}
// determine if the uri MIGHT result in there being a next link, and increase version if so
expectedVersion = VersionHelper.IncreaseVersionIfTrue(ResponseMightIncludeNextLink(uri), expectedVersion, DataServiceProtocolVersion.V4);
return expectedVersion;
}
/// <summary>
/// Builds the ODataPayloadContext context from OODataUri.
/// </summary>
/// <param name="uri">The URI.</param>
/// <returns>A OData Payload Context</returns>
public static ODataPayloadContext BuildODataPayloadContextFromODataUri(ODataUri uri)
{
var payloadContext = new ODataPayloadContext();
payloadContext.PayloadUri = uri;
payloadContext.ExpectedPayloadKind = uri.GetExpectedPayloadType();
switch (payloadContext.ExpectedPayloadKind)
{
case ODataPayloadElementType.EntitySetInstance:
case ODataPayloadElementType.EntityInstance:
SetExpectedEntitySetAndTypeFromUri(payloadContext, uri);
break;
case ODataPayloadElementType.PrimitiveProperty:
case ODataPayloadElementType.PrimitiveMultiValueProperty:
case ODataPayloadElementType.ComplexProperty:
case ODataPayloadElementType.ComplexMultiValueProperty:
case ODataPayloadElementType.EmptyCollectionProperty:
var propertySegment = uri.Segments.OfType <PropertySegment>().LastOrDefault();
if (propertySegment != null)
{
payloadContext.ExpectedMemberProperty = propertySegment.Property;
SetExpectedEntitySetAndTypeFromUri(payloadContext, uri);
var parentPropertySegment = uri.Segments.GetSecondToLastOrDefault <PropertySegment>();
if (parentPropertySegment != null)
{
var collectionDataType = parentPropertySegment.Property.PropertyType as CollectionDataType;
if (collectionDataType != null)
{
var elementComplexDataType = collectionDataType.ElementDataType as ComplexDataType;
ExceptionUtilities.CheckObjectNotNull(elementComplexDataType, "Expected non complex DataType");
payloadContext.ExpectedPropertyDeclaringParentType = elementComplexDataType.Definition;
}
else
{
var complexDataType = parentPropertySegment.Property.PropertyType as ComplexDataType;
ExceptionUtilities.CheckObjectNotNull(complexDataType, "Expected non null complex DataType");
payloadContext.ExpectedPropertyDeclaringParentType = complexDataType.Definition;
}
}
else
{
payloadContext.ExpectedPropertyDeclaringParentType = payloadContext.ExpectedEntityType;
}
}
else
{
ExceptionUtilities.Assert(
uri.IsFunction() || uri.IsServiceOperation() || uri.IsAction(),
"Property uri contains no property segments and is not a function/service operation/action.");
var functionSegment = uri.Segments.Last() as FunctionSegment ?? uri.Segments[uri.Segments.Count - 2] as FunctionSegment;
ExceptionUtilities.CheckObjectNotNull(functionSegment, "Failed to find function segment in finction/service operation uri");
payloadContext.ExpectedFunction = functionSegment.Function;
}
break;
case ODataPayloadElementType.DeferredLink:
case ODataPayloadElementType.LinkCollection:
var navigationSegment = uri.Segments.OfType <NavigationSegment>().Last();
ExceptionUtilities.CheckObjectNotNull(navigationSegment, "No navigation segments found for expected navigation property uri");
payloadContext.ExpectedNavigationProperty = navigationSegment.NavigationProperty;
SetExpectedEntitySetAndTypeFromUri(payloadContext, uri);
break;
}
return(payloadContext);
}
/// <summary>
/// Builds the ODataPayloadContext context from OODataUri.
/// </summary>
/// <param name="uri">The URI.</param>
/// <returns>A OData Payload Context</returns>
public static ODataPayloadContext BuildODataPayloadContextFromODataUri(ODataUri uri)
{
var payloadContext = new ODataPayloadContext();
payloadContext.PayloadUri = uri;
payloadContext.ExpectedPayloadKind = uri.GetExpectedPayloadType();
switch (payloadContext.ExpectedPayloadKind)
{
case ODataPayloadElementType.EntitySetInstance:
case ODataPayloadElementType.EntityInstance:
SetExpectedEntitySetAndTypeFromUri(payloadContext, uri);
break;
case ODataPayloadElementType.PrimitiveProperty:
case ODataPayloadElementType.PrimitiveMultiValueProperty:
case ODataPayloadElementType.ComplexProperty:
case ODataPayloadElementType.ComplexMultiValueProperty:
case ODataPayloadElementType.EmptyCollectionProperty:
var propertySegment = uri.Segments.OfType<PropertySegment>().LastOrDefault();
if (propertySegment != null)
{
payloadContext.ExpectedMemberProperty = propertySegment.Property;
SetExpectedEntitySetAndTypeFromUri(payloadContext, uri);
var parentPropertySegment = uri.Segments.GetSecondToLastOrDefault<PropertySegment>();
if (parentPropertySegment != null)
{
var collectionDataType = parentPropertySegment.Property.PropertyType as CollectionDataType;
if (collectionDataType != null)
{
var elementComplexDataType = collectionDataType.ElementDataType as ComplexDataType;
ExceptionUtilities.CheckObjectNotNull(elementComplexDataType, "Expected non complex DataType");
payloadContext.ExpectedPropertyDeclaringParentType = elementComplexDataType.Definition;
}
else
{
var complexDataType = parentPropertySegment.Property.PropertyType as ComplexDataType;
ExceptionUtilities.CheckObjectNotNull(complexDataType, "Expected non null complex DataType");
payloadContext.ExpectedPropertyDeclaringParentType = complexDataType.Definition;
}
}
else
{
payloadContext.ExpectedPropertyDeclaringParentType = payloadContext.ExpectedEntityType;
}
}
else
{
ExceptionUtilities.Assert(
uri.IsFunction() || uri.IsServiceOperation() || uri.IsAction(),
"Property uri contains no property segments and is not a function/service operation/action.");
var functionSegment = uri.Segments.Last() as FunctionSegment ?? uri.Segments[uri.Segments.Count - 2] as FunctionSegment;
ExceptionUtilities.CheckObjectNotNull(functionSegment, "Failed to find function segment in finction/service operation uri");
payloadContext.ExpectedFunction = functionSegment.Function;
}
break;
case ODataPayloadElementType.DeferredLink:
case ODataPayloadElementType.LinkCollection:
var navigationSegment = uri.Segments.OfType<NavigationSegment>().Last();
ExceptionUtilities.CheckObjectNotNull(navigationSegment, "No navigation segments found for expected navigation property uri");
payloadContext.ExpectedNavigationProperty = navigationSegment.NavigationProperty;
SetExpectedEntitySetAndTypeFromUri(payloadContext, uri);
break;
}
return payloadContext;
}