private static Uri GenerateContainmentODataPathSegments(EntityInstanceContext entityContext, bool isEntityId)
{
Contract.Assert(entityContext != null);
Contract.Assert(
entityContext.NavigationSource.NavigationSourceKind() == EdmNavigationSourceKind.ContainedEntitySet);
Contract.Assert(entityContext.Request != null);
ODataPath path = entityContext.Request.ODataProperties().Path;
if (path == null)
{
throw Error.InvalidOperation(SRResources.ODataPathMissing);
}
ODL.ODataPath odlPath = path.ODLPath;
odlPath = new ContainmentPathBuilder().TryComputeCanonicalContainingPath(odlPath);
path = ODataPathSegmentTranslator.TranslateODataLibPathToWebApiPath(
odlPath,
entityContext.EdmModel,
unresolvedPathSegment: null,
id: null,
enableUriTemplateParsing: false,
parameterAliasNodes: new Dictionary <string, ODL.SingleValueNode>());
List <ODataPathSegment> odataPath = path.Segments.ToList();
odataPath.Add(new EntitySetPathSegment((IEdmEntitySetBase)entityContext.NavigationSource));
odataPath.Add(new KeyValuePathSegment(ConventionsHelpers.GetEntityKeyValue(entityContext)));
if (!isEntityId)
{
bool isSameType = entityContext.EntityType == entityContext.NavigationSource.EntityType();
if (!isSameType)
{
odataPath.Add(new CastPathSegment(entityContext.EntityType));
}
}
string odataLink = entityContext.Url.CreateODataLink(odataPath);
return(odataLink == null ? null : new Uri(odataLink));
}
private static ODataPath Parse(
IEdmModel model,
string serviceRoot,
string odataPath,
ODataUriResolverSetttings resolverSettings,
bool enableUriTemplateParsing)
{
ODataUriParser uriParser;
Uri serviceRootUri = null;
Uri fullUri = null;
NameValueCollection queryString = null;
if (enableUriTemplateParsing)
{
uriParser = new ODataUriParser(model, new Uri(odataPath, UriKind.Relative));
uriParser.EnableUriTemplateParsing = true;
}
else
{
Contract.Assert(serviceRoot != null);
serviceRootUri = new Uri(
serviceRoot.EndsWith("/", StringComparison.Ordinal) ?
serviceRoot :
serviceRoot + "/");
/*Из-за ошибки в mono, при вызове конструктора new Uri(serviceRootUri, odataPath);
* будем использовать конструктор new Uri($"{serviceRootUri}{odataPath}");
*/
fullUri = new Uri($"{serviceRootUri}{odataPath}");
queryString = fullUri.ParseQueryString();
uriParser = new ODataUriParser(model, serviceRootUri, fullUri);
}
uriParser.Resolver = resolverSettings.CreateResolver(model);
Semantic.ODataPath path;
UnresolvedPathSegment unresolvedPathSegment = null;
Semantic.KeySegment id = null;
try
{
path = uriParser.ParsePath();
}
catch (ODataUnrecognizedPathException ex)
{
if (ex.ParsedSegments != null &&
ex.ParsedSegments.Count() > 0 &&
(ex.ParsedSegments.Last().EdmType is IEdmComplexType ||
ex.ParsedSegments.Last().EdmType is IEdmEntityType) &&
ex.CurrentSegment != ODataSegmentKinds.Count)
{
if (ex.UnparsedSegments.Count() == 0)
{
path = new Semantic.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 (!enableUriTemplateParsing && path.LastSegment is Semantic.NavigationPropertyLinkSegment)
{
IEdmCollectionType lastSegmentEdmType = path.LastSegment.EdmType as IEdmCollectionType;
if (lastSegmentEdmType != null)
{
Semantic.EntityIdSegment entityIdSegment = null;
bool exceptionThrown = false;
try
{
entityIdSegment = uriParser.ParseEntityId();
if (entityIdSegment != null)
{
// Create another ODataUriParser to parse $id, which is absolute or relative.
ODataUriParser parser = new ODataUriParser(model, serviceRootUri, entityIdSegment.Id);
id = parser.ParsePath().LastSegment as Semantic.KeySegment;
}
}
catch (ODataException)
{
// Exception was thrown while parsing the $id.
// We will throw another exception about the invalid $id.
exceptionThrown = true;
}
if (exceptionThrown ||
(entityIdSegment != null &&
(id == null ||
!(id.EdmType.IsOrInheritsFrom(lastSegmentEdmType.ElementType.Definition) ||
lastSegmentEdmType.ElementType.Definition.IsOrInheritsFrom(id.EdmType)))))
{
throw new ODataException(Error.Format(SRResources.InvalidDollarId, queryString.Get("$id")));
}
}
}
ODataPath webAPIPath = ODataPathSegmentTranslator.TranslateODataLibPathToWebApiPath(
path,
model,
unresolvedPathSegment,
id,
enableUriTemplateParsing,
uriParser.ParameterAliasNodes);
CheckNavigableProperty(webAPIPath, model);
return(webAPIPath);
}
