public static Type GetClrType(this IEdmModel edmModel, IEdmEntitySetBase entitySet)
{
IEdmEntityType entityType = entitySet.EntityType();
edmModel = OeEdmClrHelper.GetEdmModel(edmModel, entityType);
return(edmModel.GetAnnotationValue <Type>(entityType));
}
public virtual async Task ExecuteResultAsync(ActionContext context)
{
var settings = new ODataMessageWriterSettings()
{
BaseUri = _odataUri.ServiceRoot,
EnableMessageStreamDisposal = false,
ODataUri = _odataUri,
Validations = ValidationKinds.ThrowIfTypeConflictsWithMetadata | ValidationKinds.ThrowOnDuplicatePropertyNames,
Version = ODataVersion.V4
};
var requestHeaders = OeRequestHeaders.Parse(context.HttpContext.Request.Headers["Accept"], context.HttpContext.Request.Headers["Prefer"]);
if (requestHeaders.MaxPageSize > 0 && PageSize == 0)
{
PageSize = requestHeaders.MaxPageSize;
}
IODataResponseMessage responseMessage = new Infrastructure.OeInMemoryMessage(context.HttpContext.Response.Body, context.HttpContext.Request.ContentType);
using (ODataMessageWriter messageWriter = new ODataMessageWriter(responseMessage, settings, _edmModel))
{
ODataUtils.SetHeadersForPayload(messageWriter, ODataPayloadKind.ResourceSet);
IEdmEntityType entityType = _resultEntitySet.EntityType();
ODataWriter writer = messageWriter.CreateODataResourceSetWriter(_resultEntitySet, entityType);
await SerializeAsync(writer, requestHeaders.MetadataLevel);
}
}
public static Type GetClrType(this IEdmModel edmModel, IEdmEntitySetBase entitySet)
{
IEdmEntityType entityType = entitySet.EntityType();
OeValueAnnotation <Type> clrTypeAnnotation = edmModel.GetAnnotationValue <OeValueAnnotation <Type> >(entityType);
return(clrTypeAnnotation.Value);
}
public static Type GetClrType(this IEdmModel edmModel, IEdmEntitySetBase entitySet)
{
IEdmEntityType entityType = entitySet.EntityType();
IEdmModel? model = OeEdmClrHelper.GetEdmModel(edmModel, entityType);
if (model == null)
{
throw new InvalidOperationException("Add type annotation for " + entityType.FullTypeName());
}
return(model.GetAnnotationValue <Type>(entityType));
}
private OeEntryFactory(IEdmEntitySetBase entitySet, OePropertyAccessor[] accessors)
{
Array.Sort(accessors, AccessorByNameComparer.Instance);
EntitySet = entitySet;
_allAccessors = accessors;
Accessors = GetAccessorsWithoutSkiptoken(accessors);
EntityType = entitySet.EntityType();
NavigationLinks = Array.Empty <OeEntryFactory>();
_typeName = EntityType.FullName();
}
public static OePropertyAccessor[] CreateFromExpression(Expression source, ParameterExpression parameter, IEdmEntitySetBase entitySet)
{
var propertyAccessors = new List <OePropertyAccessor>();
foreach (IEdmStructuralProperty edmProperty in entitySet.EntityType().StructuralProperties())
{
MemberExpression expression = Expression.Property(source, source.Type.GetProperty(edmProperty.Name));
propertyAccessors.Add(CreatePropertyAccessor(edmProperty, expression, parameter));
}
return(propertyAccessors.ToArray());
}
public static OePropertyAccessor[] CreateFromType(Type clrType, IEdmEntitySetBase entitySet)
{
ParameterExpression parameter = Expression.Parameter(typeof(Object));
UnaryExpression instance = Expression.Convert(parameter, clrType);
var propertyAccessors = new List <OePropertyAccessor>();
foreach (IEdmStructuralProperty edmProperty in entitySet.EntityType().StructuralProperties())
{
MemberExpression expression = Expression.Property(instance, clrType.GetProperty(edmProperty.Name));
propertyAccessors.Add(CreatePropertyAccessor(edmProperty, expression, parameter, false));
}
return(propertyAccessors.ToArray());
}
internal static OrderByClause GetUniqueOrderBy(IEdmEntitySetBase entitySet, OrderByClause orderByClause, ApplyClause applyClause)
{
if (orderByClause != null && applyClause == null && GetIsKey(entitySet.EntityType(), GetEdmProperies(orderByClause)))
{
return(orderByClause);
}
List <SingleValuePropertyAccessNode> orderByProperties = GetOrderByProperties(entitySet, orderByClause, applyClause);
if (orderByProperties.Count == 0)
{
return(orderByClause ?? throw new InvalidOperationException("orderByClause must not null"));
}
OrderByClause uniqueOrderByClause = null;
for (int i = orderByProperties.Count - 1; i >= 0; i--)
{
ResourceRangeVariableReferenceNode source;
if (orderByProperties[i].Source is SingleNavigationNode navigationNode)
{
source = (ResourceRangeVariableReferenceNode)navigationNode.Source;
}
else
{
source = (ResourceRangeVariableReferenceNode)orderByProperties[i].Source;
}
uniqueOrderByClause = new OrderByClause(uniqueOrderByClause, orderByProperties[i], OrderByDirection.Ascending, source.RangeVariable);
}
if (orderByClause == null)
{
return(uniqueOrderByClause);
}
var orderByClauses = new Stack <OrderByClause>();
do
{
orderByClauses.Push(orderByClause);
orderByClause = orderByClause.ThenBy;
}while (orderByClause != null);
while (orderByClauses.Count > 0)
{
orderByClause = orderByClauses.Pop();
uniqueOrderByClause = new OrderByClause(uniqueOrderByClause, orderByClause.Expression, orderByClause.Direction, orderByClause.RangeVariable);
}
return(uniqueOrderByClause);
}
public OeEntryFactory(IEdmEntitySetBase entitySet, OePropertyAccessor[] accessors, OePropertyAccessor[] skipTokenAccessors)
{
Array.Sort(accessors, AccessorByNameComparer.Instance);
EntitySet = entitySet;
_allAccessors = accessors;
Accessors = GetAccessorsWithoutSkiptoken(accessors);
SkipTokenAccessors = skipTokenAccessors;
EdmEntityType = entitySet.EntityType();
NavigationLinks = Array.Empty <OeEntryFactory>();
_typeName = EdmEntityType.FullName();
IsTuple = accessors.Length == 0 ? false : OeExpressionHelper.IsTupleType(accessors[0].PropertyExpression.Expression.Type);
}
public static OePropertyAccessor[] CreateFromType(Type clrType, IEdmEntitySetBase entitySet)
{
ParameterExpression parameter = Expression.Parameter(typeof(Object));
UnaryExpression instance = Expression.Convert(parameter, clrType);
var propertyAccessors = new List <OePropertyAccessor>();
if (typeof(OeIndexerProperty).IsAssignableFrom(clrType))
{
InterfaceMapping interfaceMapping = clrType.GetInterfaceMap(typeof(OeIndexerProperty));
foreach (IEdmStructuralProperty edmProperty in entitySet.EntityType().StructuralProperties())
{
MethodCallExpression expression = Expression.Call(instance, interfaceMapping.TargetMethods[0], Expression.Constant(edmProperty.Name));
propertyAccessors.Add(CreatePropertyAccessor(edmProperty, expression, parameter, false));
}
}
else
{
foreach (IEdmStructuralProperty edmProperty in entitySet.EntityType().StructuralProperties())
{
PropertyInfo?propertyInfo = clrType.GetPropertyIgnoreCaseOrNull(edmProperty);
if (propertyInfo == null)
{
if (!(edmProperty is OeEdmStructuralShadowProperty))
{
throw new InvalidOperationException("Property " + edmProperty.Name + " not found in clr type " + clrType.Name);
}
}
else
{
MemberExpression expression = Expression.Property(instance, propertyInfo);
propertyAccessors.Add(CreatePropertyAccessor(edmProperty, expression, parameter, false));
}
}
}
return(propertyAccessors.ToArray());
}
public static Uri ComputeId(Uri baseUri, IEdmEntitySetBase entitySet, ODataResource entry)
{
Uri uri = AppendSegment(baseUri, entitySet.Name, true);
var builder = new StringBuilder(uri.IsAbsoluteUri ? uri.AbsoluteUri : uri.OriginalString);
builder.Append('(');
using (IEnumerator <IEdmStructuralProperty> enumerator = entitySet.EntityType().Key().GetEnumerator())
{
if (!enumerator.MoveNext())
{
throw new InvalidOperationException("Key property not found for EntityType " + entitySet.EntityType().FullName());
}
IEdmStructuralProperty keyProperty = enumerator.Current;
if (enumerator.MoveNext())
{
int counter = 0;
do
{
ODataProperty property = GetProperty(entry, keyProperty.Name);
builder.Append(property.Name);
builder.Append('=');
builder.Append(ODataUriUtils.ConvertToUriLiteral(property.Value, ODataVersion.V4));
if (counter == 0 || enumerator.MoveNext())
{
keyProperty = enumerator.Current;
builder.Append(',');
counter = 1;
}
else
{
counter = 2;
}
}while (counter < 2);
}
else
{
ODataProperty property = GetProperty(entry, keyProperty.Name);
builder.Append(ODataUriUtils.ConvertToUriLiteral(property.Value, ODataVersion.V4));
}
}
builder.Append(')');
return(new Uri(builder.ToString(), UriKind.Absolute));
}
public static Uri ComputeId(Uri baseUri, IEdmEntitySetBase entitySet, ODataResource entry)
{
Uri uri = AppendSegment(baseUri, entitySet.Name, true);
var builder = new StringBuilder(uri.IsAbsoluteUri ? uri.AbsoluteUri : uri.OriginalString);
builder.Append('(');
IEnumerable <IEdmStructuralProperty> keyProperties = entitySet.EntityType().Key();
using (IEnumerator <IEdmStructuralProperty> enumerator = keyProperties.GetEnumerator())
{
if (!enumerator.MoveNext())
{
return(null);
}
IEdmStructuralProperty keyProperty = enumerator.Current;
if (enumerator.MoveNext())
{
int counter = 0;
while (keyProperty != null)
{
ODataProperty property = GetProperty(entry, keyProperty.Name);
builder.Append(property.Name);
builder.Append('=');
builder.Append(ODataUriUtils.ConvertToUriLiteral(property.Value, ODataVersion.V4));
keyProperty = counter == 0 || enumerator.MoveNext() ? enumerator.Current : null;
if (keyProperty != null)
{
builder.Append(',');
}
counter++;
}
}
else
{
ODataProperty property = GetProperty(entry, keyProperty.Name);
builder.Append(ODataUriUtils.ConvertToUriLiteral(property.Value, ODataVersion.V4));
}
}
builder.Append(')');
return(new Uri(builder.ToString(), UriKind.Absolute));
}
private static List <SingleValuePropertyAccessNode> GetOrderByProperties(IEdmEntitySetBase entitySet, OrderByClause?orderByClause, ApplyClause?applyClause)
{
var keys = new List <SingleValuePropertyAccessNode>();
GroupByTransformationNode groupByNode;
if (applyClause != null && (groupByNode = applyClause.Transformations.OfType <GroupByTransformationNode>().SingleOrDefault()) != null)
{
foreach (GroupByPropertyNode node in groupByNode.GroupingProperties)
{
if (node.Expression == null)
{
keys.AddRange(node.ChildTransformations.Select(n => (SingleValuePropertyAccessNode)n.Expression));
}
else
{
keys.Add((SingleValuePropertyAccessNode)node.Expression);
}
}
}
else
{
ResourceRangeVariableReferenceNode source = OeEdmClrHelper.CreateRangeVariableReferenceNode(entitySet);
foreach (IEdmStructuralProperty key in entitySet.EntityType().Key())
{
keys.Add(new SingleValuePropertyAccessNode(source, key));
}
}
if (orderByClause == null)
{
return(keys);
}
for (; orderByClause != null; orderByClause = orderByClause.ThenBy)
{
if (orderByClause.Expression is SingleValuePropertyAccessNode propertyNode)
{
int i = keys.FindIndex(p => p.Property == propertyNode.Property);
if (i >= 0)
{
keys.RemoveAt(i);
}
}
}
return(keys);
}
private OeEntryFactory(IEdmEntitySetBase entitySet, OePropertyAccessor[] accessors)
{
_entitySet = entitySet;
_accessors = accessors;
_entityType = entitySet.EntityType();
_navigationLinks = Array.Empty <OeEntryFactory>();
_typeName = EntityType.FullName();
_odataProperties = new ODataProperty[accessors.Length];
for (int i = 0; i < accessors.Length; i++)
{
_odataProperties[i] = new ODataProperty()
{
Name = accessors[i].Name
}
}
;
}
public static Uri ComputeId(Uri baseUri, IEdmEntitySetBase entitySet, ODataResource entry)
{
Uri uri = AppendSegment(baseUri, entitySet.Name, true);
var builder = new StringBuilder(uri.IsAbsoluteUri ? uri.AbsoluteUri : uri.OriginalString);
builder.Append('(');
bool flag = true;
IEnumerable <IEdmStructuralProperty> keyProperties = entitySet.EntityType().Key();
foreach (IEdmStructuralProperty keyProperty in keyProperties)
{
ODataProperty property = null;
foreach (ODataProperty entryProperty in entry.Properties)
{
if (entryProperty.Name == keyProperty.Name)
{
property = entryProperty;
break;
}
}
if (flag)
{
flag = false;
}
else
{
builder.Append(',');
}
if (keyProperties.Count() > 1)
{
builder.Append(property.Name);
builder.Append('=');
}
builder.Append(ODataUriUtils.ConvertToUriLiteral(property.Value, ODataVersion.V4));
}
builder.Append(')');
return(new Uri(builder.ToString(), UriKind.Absolute));
}
public OeEntryFactory(
IEdmEntitySetBase entitySet,
OePropertyAccessor[] accessors,
OePropertyAccessor[]?skipTokenAccessors)
{
Array.Sort(accessors, AccessorByNameComparer.Instance);
EntitySet = entitySet;
_allAccessors = accessors;
Accessors = GetAccessorsWithoutSkiptoken(accessors);
SkipTokenAccessors = skipTokenAccessors ?? Array.Empty <OePropertyAccessor>();
EdmEntityType = entitySet.EntityType();
NavigationLinks = Array.Empty <OeNavigationEntryFactory>();
_typeName = EdmEntityType.FullName();
if (accessors.Length != 0 && accessors[0].PropertyExpression is MemberExpression propertyExpression)
{
IsTuple = OeExpressionHelper.IsTupleType(propertyExpression.Expression !.Type);
}
}
public BatchReferenceSegment(string contentId, IEdmType edmType, IEdmEntitySetBase entitySet)
{
ExceptionUtils.CheckArgumentNotNull(edmType, "resultingType");
ExceptionUtils.CheckArgumentNotNull(contentId, "contentId");
if (!ODataPathParser.ContentIdRegex.IsMatch(contentId))
{
throw new ODataException(ODataErrorStrings.BatchReferenceSegment_InvalidContentID(contentId));
}
this.edmType = edmType;
this.entitySet = entitySet;
this.contentId = contentId;
this.Identifier = this.ContentId;
this.TargetEdmType = edmType;
this.TargetEdmNavigationSource = this.EntitySet;
this.SingleResult = true;
this.TargetKind = RequestTargetKind.Resource;
if (entitySet != null)
{
UriParserErrorHelper.ThrowIfTypesUnrelated(edmType, entitySet.EntityType(), "BatchReferenceSegments");
}
}
private static List <MemberExpression> GetKeyExpressions(IEdmEntitySetBase entitySet, OePropertyAccessor[] accessors)
{
var propertyExpressions = new List <MemberExpression>();
foreach (IEdmStructuralProperty key in entitySet.EntityType().Key())
{
bool found = false;
foreach (OePropertyAccessor accessor in accessors)
{
if (String.CompareOrdinal(accessor.EdmProperty.Name, key.Name) == 0)
{
propertyExpressions.Add(accessor.PropertyExpression);
found = true;
break;
}
}
if (!found)
{
throw new InvalidOperationException("Key property " + key.Name + " not found in accessors");
}
}
return(propertyExpressions);
}
public static OePropertyAccessor[] CreateFromType(Type clrType, IEdmEntitySetBase entitySet)
{
ParameterExpression parameter = Expression.Parameter(typeof(Object));
UnaryExpression instance = Expression.Convert(parameter, clrType);
var propertyAccessors = new List <OePropertyAccessor>();
foreach (IEdmStructuralProperty edmProperty in entitySet.EntityType().StructuralProperties())
{
PropertyInfo propertyInfo = clrType.GetProperty(edmProperty.Name);
if (propertyInfo == null)
{
if (!(edmProperty is OeEdmStructuralProperty))
{
throw new InvalidOperationException("Property " + edmProperty.Name + " not found in clr type " + clrType.Name);
}
}
else
{
MemberExpression expression = Expression.Property(instance, propertyInfo);
propertyAccessors.Add(CreatePropertyAccessor(edmProperty, expression, parameter, false));
}
}
return(propertyAccessors.ToArray());
}
/// <summary>
/// Selects the action for OData requests.
/// </summary>
/// <param name="odataPath">The OData path.</param>
/// <param name="controllerContext">The controller context.</param>
/// <param name="actionMap">The action map.</param>
/// <returns>
/// <c>null</c> if the request isn't handled by this convention; otherwise, the name of the selected action
/// </returns>
public override string SelectAction(ODataPath odataPath, HttpControllerContext controllerContext, ILookup <string, HttpActionDescriptor> actionMap)
{
if (odataPath == null)
{
throw Error.ArgumentNull("odataPath");
}
if (controllerContext == null)
{
throw Error.ArgumentNull("controllerContext");
}
if (actionMap == null)
{
throw Error.ArgumentNull("actionMap");
}
if (odataPath.PathTemplate == "~/entityset")
{
EntitySetSegment entitySetSegment = (EntitySetSegment)odataPath.Segments[0];
IEdmEntitySetBase entitySet = entitySetSegment.EntitySet;
HttpMethod httpMethod = controllerContext.Request.Method;
if (httpMethod == HttpMethod.Get)
{
// e.g. Try GetCustomers first, then fall back to Get action name
return(actionMap.FindMatchingAction(
"Get" + entitySet.Name,
"Get"));
}
else if (httpMethod == HttpMethod.Post)
{
// e.g. Try PostCustomer first, then fall back to Post action name
return(actionMap.FindMatchingAction(
"Post" + entitySet.EntityType().Name,
"Post"));
}
}
else if (odataPath.PathTemplate == "~/entityset/$count" &&
controllerContext.Request.Method == HttpMethod.Get)
{
EntitySetSegment entitySetSegment = (EntitySetSegment)odataPath.Segments[0];
IEdmEntitySetBase entitySet = entitySetSegment.EntitySet;
// e.g. Try GetCustomers first, then fall back to Get action name
return(actionMap.FindMatchingAction(
"Get" + entitySet.Name,
"Get"));
}
else if (odataPath.PathTemplate == "~/entityset/cast")
{
EntitySetSegment entitySetSegment = (EntitySetSegment)odataPath.Segments[0];
IEdmEntitySetBase entitySet = entitySetSegment.EntitySet;
IEdmCollectionType collectionType = (IEdmCollectionType)odataPath.EdmType;
IEdmEntityType entityType = (IEdmEntityType)collectionType.ElementType.Definition;
HttpMethod httpMethod = controllerContext.Request.Method;
if (httpMethod == HttpMethod.Get)
{
// e.g. Try GetCustomersFromSpecialCustomer first, then fall back to GetFromSpecialCustomer
return(actionMap.FindMatchingAction(
"Get" + entitySet.Name + "From" + entityType.Name,
"GetFrom" + entityType.Name));
}
else if (httpMethod == HttpMethod.Post)
{
// e.g. Try PostCustomerFromSpecialCustomer first, then fall back to PostFromSpecialCustomer
return(actionMap.FindMatchingAction(
"Post" + entitySet.EntityType().Name + "From" + entityType.Name,
"PostFrom" + entityType.Name));
}
}
else if (odataPath.PathTemplate == "~/entityset/cast/$count" &&
controllerContext.Request.Method == HttpMethod.Get)
{
EntitySetSegment entitySetSegment = (EntitySetSegment)odataPath.Segments[0];
IEdmEntitySetBase entitySet = entitySetSegment.EntitySet;
IEdmCollectionType collectionType = (IEdmCollectionType)odataPath.Segments[1].EdmType;
IEdmEntityType entityType = (IEdmEntityType)collectionType.ElementType.Definition;
// e.g. Try GetCustomersFromSpecialCustomer first, then fall back to GetFromSpecialCustomer
return(actionMap.FindMatchingAction(
"Get" + entitySet.Name + "From" + entityType.Name,
"GetFrom" + entityType.Name));
}
return(null);
}
private object ProcessPostBody(IODataRequestMessage message, IEdmEntitySetBase entitySet, object queryResults)
{
object lastNewInstance = null;
using (var messageReader = new ODataMessageReader(message, this.GetReaderSettings(), this.DataSource.Model))
{
var odataItemStack = new Stack<ODataItem>();
var entryReader = messageReader.CreateODataEntryReader(entitySet, entitySet.EntityType());
var currentTargetEntitySet = entitySet;
while (entryReader.Read())
{
switch (entryReader.State)
{
case ODataReaderState.EntryStart:
odataItemStack.Push(entryReader.Item);
break;
case ODataReaderState.EntryEnd:
{
var entry = (ODataEntry)entryReader.Item;
// TODO: the code here will be changed to handle following scenarios
// 1: non-contained navigation, e.g. People(1)/Friends
// 2. general entity set, e.g. People
// 3. contained navigation, e.g. People(1)/Trips
// 4. upsert, e.g. People(1)/Friends(2)
var newInstance = this.DataSource.UpdateProvider.Create(entry.TypeName, queryResults);
foreach (var property in entry.Properties)
{
if (Utility.IsETagProperty(newInstance, property.Name)) continue;
this.DataSource.UpdateProvider.Update(newInstance, property.Name, property.Value);
}
var boundNavPropAnnotation = odataItemStack.Pop().GetAnnotation<BoundNavigationPropertyAnnotation>();
if (boundNavPropAnnotation != null)
{
foreach (var boundProperty in boundNavPropAnnotation.BoundProperties)
{
var isCollection = boundProperty.Item1.IsCollection == true;
var propertyValue = isCollection ? boundProperty.Item2 : ((IEnumerable<object>)boundProperty.Item2).Single();
this.DataSource.UpdateProvider.Update(newInstance, boundProperty.Item1.Name, propertyValue);
}
}
var parentItem = odataItemStack.Count > 0 ? odataItemStack.Peek() : null;
if (parentItem != null)
{
// This new entry belongs to a navigation property and/or feed -
// propagate it up the tree for further processing.
AddChildInstanceAnnotation(parentItem, newInstance);
}
lastNewInstance = newInstance;
}
break;
case ODataReaderState.FeedStart:
odataItemStack.Push(entryReader.Item);
break;
case ODataReaderState.FeedEnd:
{
var childAnnotation = odataItemStack.Pop().GetAnnotation<ChildInstanceAnnotation>();
var parentNavLink = odataItemStack.Count > 0 ? odataItemStack.Peek() as ODataNavigationLink : null;
if (parentNavLink != null)
{
// This feed belongs to a navigation property -
// propagate it up the tree for further processing.
AddChildInstanceAnnotation(parentNavLink, childAnnotation.ChildInstances ?? new object[0]);
}
}
break;
case ODataReaderState.NavigationLinkStart:
{
odataItemStack.Push(entryReader.Item);
var navigationLink = (ODataNavigationLink)entryReader.Item;
var navigationProperty = (IEdmNavigationProperty)currentTargetEntitySet.EntityType().FindProperty(navigationLink.Name);
// Current model implementation doesn't expose associations otherwise this would be much cleaner.
currentTargetEntitySet = this.DataSource.Model.EntityContainer.EntitySets().Single(s => s.EntityType() == navigationProperty.Type.Definition);
}
break;
case ODataReaderState.NavigationLinkEnd:
{
var navigationLink = (ODataNavigationLink)entryReader.Item;
var childAnnotation = odataItemStack.Pop().GetAnnotation<ChildInstanceAnnotation>();
if (childAnnotation != null)
{
// Propagate the bound entries to the parent entry.
AddBoundNavigationPropertyAnnotation(odataItemStack.Peek(), navigationLink, childAnnotation.ChildInstances);
}
}
break;
}
}
}
return lastNewInstance;
}
private object ProcessPostBody(IODataRequestMessage message, IEdmEntitySetBase entitySet, object queryResults)
{
object lastNewInstance = null;
using (var messageReader = new ODataMessageReader(message, this.GetReaderSettings(), this.DataSource.Model))
{
var odataItemStack = new Stack <ODataItem>();
var entryReader = messageReader.CreateODataEntryReader(entitySet, entitySet.EntityType());
var currentTargetEntitySet = entitySet;
while (entryReader.Read())
{
switch (entryReader.State)
{
case ODataReaderState.EntryStart:
odataItemStack.Push(entryReader.Item);
break;
case ODataReaderState.EntryEnd:
{
var entry = (ODataEntry)entryReader.Item;
// TODO: the code here will be changed to handle following scenarios
// 1: non-contained navigation, e.g. People(1)/Friends
// 2. general entity set, e.g. People
// 3. contained navigation, e.g. People(1)/Trips
// 4. upsert, e.g. People(1)/Friends(2)
var newInstance = this.DataSource.UpdateProvider.Create(entry.TypeName, queryResults);
foreach (var property in entry.Properties)
{
if (Utility.IsETagProperty(newInstance, property.Name))
{
continue;
}
this.DataSource.UpdateProvider.Update(newInstance, property.Name, property.Value);
}
var boundNavPropAnnotation = odataItemStack.Pop().GetAnnotation <BoundNavigationPropertyAnnotation>();
if (boundNavPropAnnotation != null)
{
foreach (var boundProperty in boundNavPropAnnotation.BoundProperties)
{
var isCollection = boundProperty.Item1.IsCollection == true;
var propertyValue = isCollection ? boundProperty.Item2 : ((IEnumerable <object>)boundProperty.Item2).Single();
this.DataSource.UpdateProvider.Update(newInstance, boundProperty.Item1.Name, propertyValue);
}
}
var parentItem = odataItemStack.Count > 0 ? odataItemStack.Peek() : null;
if (parentItem != null)
{
// This new entry belongs to a navigation property and/or feed -
// propagate it up the tree for further processing.
AddChildInstanceAnnotation(parentItem, newInstance);
}
lastNewInstance = newInstance;
}
break;
case ODataReaderState.FeedStart:
odataItemStack.Push(entryReader.Item);
break;
case ODataReaderState.FeedEnd:
{
var childAnnotation = odataItemStack.Pop().GetAnnotation <ChildInstanceAnnotation>();
var parentNavLink = odataItemStack.Count > 0 ? odataItemStack.Peek() as ODataNavigationLink : null;
if (parentNavLink != null)
{
// This feed belongs to a navigation property -
// propagate it up the tree for further processing.
AddChildInstanceAnnotation(parentNavLink, childAnnotation.ChildInstances ?? new object[0]);
}
}
break;
case ODataReaderState.NavigationLinkStart:
{
odataItemStack.Push(entryReader.Item);
var navigationLink = (ODataNavigationLink)entryReader.Item;
var navigationProperty = (IEdmNavigationProperty)currentTargetEntitySet.EntityType().FindProperty(navigationLink.Name);
// Current model implementation doesn't expose associations otherwise this would be much cleaner.
currentTargetEntitySet = this.DataSource.Model.EntityContainer.EntitySets().Single(s => s.EntityType() == navigationProperty.Type.Definition);
}
break;
case ODataReaderState.NavigationLinkEnd:
{
var navigationLink = (ODataNavigationLink)entryReader.Item;
var childAnnotation = odataItemStack.Pop().GetAnnotation <ChildInstanceAnnotation>();
if (childAnnotation != null)
{
// Propagate the bound entries to the parent entry.
AddBoundNavigationPropertyAnnotation(odataItemStack.Peek(), navigationLink, childAnnotation.ChildInstances);
}
}
break;
}
}
}
return(lastNewInstance);
}
/// <inheritdoc/>
public override ActionDescriptor SelectAction(RouteContext routeContext, IEnumerable <ControllerActionDescriptor> actionDescriptors)
{
if (routeContext == null)
{
throw Error.ArgumentNull("routeContext");
}
ODataPath odataPath = routeContext.HttpContext.Request.ODataFeature().Path;
HttpRequest request = routeContext.HttpContext.Request;
string httpMethod = request.Method.ToUpperInvariant();
if (odataPath.PathTemplate == "~/entityset")
{
EntitySetSegment entitySetSegment = (EntitySetSegment)odataPath.Segments[0];
IEdmEntitySetBase entitySet = entitySetSegment.EntitySet;
if (httpMethod == ODataRouteConstants.HttpGet)
{
// e.g. Try GetCustomers first, then fall back to Get action name
return(actionDescriptors.FindMatchingAction(
"Get" + entitySet.Name,
"Get"));
}
else if (httpMethod == ODataRouteConstants.HttpPost)
{
// e.g. Try PostCustomer first, then fall back to Post action name
return(actionDescriptors.FindMatchingAction(
"Post" + entitySet.EntityType().Name,
"Post"));
}
}
else if (odataPath.PathTemplate == "~/entityset/$count" &&
httpMethod == ODataRouteConstants.HttpGet)
{
EntitySetSegment entitySetSegment = (EntitySetSegment)odataPath.Segments[0];
IEdmEntitySetBase entitySet = entitySetSegment.EntitySet;
// e.g. Try GetCustomers first, then fall back to Get action name
return(actionDescriptors.FindMatchingAction(
"Get" + entitySet.Name,
"Get"));
}
else if (odataPath.PathTemplate == "~/entityset/cast")
{
EntitySetSegment entitySetSegment = (EntitySetSegment)odataPath.Segments[0];
IEdmEntitySetBase entitySet = entitySetSegment.EntitySet;
IEdmCollectionType collectionType = (IEdmCollectionType)odataPath.EdmType;
IEdmEntityType entityType = (IEdmEntityType)collectionType.ElementType.Definition;
if (httpMethod == ODataRouteConstants.HttpGet)
{
// e.g. Try GetCustomersFromSpecialCustomer first, then fall back to GetFromSpecialCustomer
return(actionDescriptors.FindMatchingAction(
"Get" + entitySet.Name + "From" + entityType.Name,
"GetFrom" + entityType.Name));
}
else if (httpMethod == ODataRouteConstants.HttpPost)
{
// e.g. Try PostCustomerFromSpecialCustomer first, then fall back to PostFromSpecialCustomer
return(actionDescriptors.FindMatchingAction(
"Post" + entitySet.EntityType().Name + "From" + entityType.Name,
"PostFrom" + entityType.Name));
}
}
else if (odataPath.PathTemplate == "~/entityset/cast/$count" &&
httpMethod == ODataRouteConstants.HttpGet)
{
EntitySetSegment entitySetSegment = (EntitySetSegment)odataPath.Segments[0];
IEdmEntitySetBase entitySet = entitySetSegment.EntitySet;
IEdmCollectionType collectionType = (IEdmCollectionType)odataPath.Segments[1].EdmType;
IEdmEntityType entityType = (IEdmEntityType)collectionType.ElementType.Definition;
// e.g. Try GetCustomersFromSpecialCustomer first, then fall back to GetFromSpecialCustomer
return(actionDescriptors.FindMatchingAction(
"Get" + entitySet.Name + "From" + entityType.Name,
"GetFrom" + entityType.Name));
}
return(null);
}
private string SelectActionImpl(RouteContext routeContext, SelectControllerResult controllerResult, IEnumerable <ControllerActionDescriptor> actionDescriptors)
{
Microsoft.AspNet.OData.Routing.ODataPath odataPath = routeContext.HttpContext.ODataFeature().Path;
HttpRequest request = routeContext.HttpContext.Request;
if (odataPath.PathTemplate == "~/entityset")
{
EntitySetSegment entitySetSegment = (EntitySetSegment)odataPath.Segments[0];
IEdmEntitySetBase entitySet = entitySetSegment.EntitySet;
if (HttpMethods.IsGet(request.Method))
{
// e.g. Try GetCustomers first, then fall back to Get action name
return(actionDescriptors.FindMatchingAction(
"Get" + entitySet.Name,
"Get"));
}
else if (HttpMethods.IsPost(request.Method))
{
// e.g. Try PostCustomer first, then fall back to Post action name
return(actionDescriptors.FindMatchingAction(
"Post" + entitySet.EntityType().Name,
"Post"));
}
}
else if (odataPath.PathTemplate == "~/entityset/key" ||
odataPath.PathTemplate == "~/entityset/key/cast")
{
string httpMethodName;
if (HttpMethods.IsGet(request.Method))
{
httpMethodName = "Get";
}
else if (HttpMethods.IsPut(request.Method))
{
httpMethodName = "Put";
}
else if (HttpMethods.IsPatch(request.Method))
{
httpMethodName = "Patch";
}
else if (HttpMethods.IsDelete(request.Method))
{
httpMethodName = "Delete";
}
else
{
return(null);
}
Contract.Assert(httpMethodName != null);
IEdmEntityType entityType = (IEdmEntityType)odataPath.EdmType;
// e.g. Try GetCustomer first, then fallback on Get action name
string actionName = actionDescriptors.FindMatchingAction(
httpMethodName + entityType.Name,
httpMethodName);
if (actionName != null)
{
KeySegment keySegment = (KeySegment)odataPath.Segments[1];
// TODO: Add key/value to RouteData
return(actionName);
}
}
else if (odataPath.PathTemplate == "~/entityset/$count" &&
HttpMethods.IsGet(request.Method))
{
EntitySetSegment entitySetSegment = (EntitySetSegment)odataPath.Segments[0];
IEdmEntitySetBase entitySet = entitySetSegment.EntitySet;
// e.g. Try GetCustomers first, then fall back to Get action name
return(actionDescriptors.FindMatchingAction(
"Get" + entitySet.Name,
"Get"));
}
else if (odataPath.PathTemplate == "~/entityset/cast")
{
EntitySetSegment entitySetSegment = (EntitySetSegment)odataPath.Segments[0];
IEdmEntitySetBase entitySet = entitySetSegment.EntitySet;
IEdmCollectionType collectionType = (IEdmCollectionType)odataPath.EdmType;
IEdmEntityType entityType = (IEdmEntityType)collectionType.ElementType.Definition;
if (HttpMethods.IsGet(request.Method))
{
// e.g. Try GetCustomersFromSpecialCustomer first, then fall back to GetFromSpecialCustomer
return(actionDescriptors.FindMatchingAction(
"Get" + entitySet.Name + "From" + entityType.Name,
"GetFrom" + entityType.Name));
}
else if (HttpMethods.IsPost(request.Method))
{
// e.g. Try PostCustomerFromSpecialCustomer first, then fall back to PostFromSpecialCustomer
return(actionDescriptors.FindMatchingAction(
"Post" + entitySet.EntityType().Name + "From" + entityType.Name,
"PostFrom" + entityType.Name));
}
}
else if (odataPath.PathTemplate == "~/entityset/cast/$count" &&
HttpMethods.IsGet(request.Method))
{
EntitySetSegment entitySetSegment = (EntitySetSegment)odataPath.Segments[0];
IEdmEntitySetBase entitySet = entitySetSegment.EntitySet;
IEdmCollectionType collectionType = (IEdmCollectionType)odataPath.Segments[1].EdmType;
IEdmEntityType entityType = (IEdmEntityType)collectionType.ElementType.Definition;
// e.g. Try GetCustomersFromSpecialCustomer first, then fall back to GetFromSpecialCustomer
return(actionDescriptors.FindMatchingAction(
"Get" + entitySet.Name + "From" + entityType.Name,
"GetFrom" + entityType.Name));
}
return(null);
}
/// <summary>
/// Selects the action for OData requests.
/// </summary>
/// <param name="odataPath">The OData path.</param>
/// <param name="controllerContext">The controller context.</param>
/// <param name="actionMap">The action map.</param>
/// <returns>
/// <c>null</c> if the request isn't handled by this convention; otherwise, the name of the selected action
/// </returns>
internal static string SelectActionImpl(ODataPath odataPath, IWebApiControllerContext controllerContext, IWebApiActionMap actionMap)
{
if (odataPath.PathTemplate == "~/entityset")
{
EntitySetSegment entitySetSegment = (EntitySetSegment)odataPath.Segments[0];
IEdmEntitySetBase entitySet = entitySetSegment.EntitySet;
if (ODataRequestMethod.Get == controllerContext.Request.GetRequestMethodOrPreflightMethod())
{
// e.g. Try GetCustomers first, then fall back to Get action name
return(actionMap.FindMatchingAction(
"Get" + entitySet.Name,
"Get"));
}
else if (ODataRequestMethod.Post == controllerContext.Request.GetRequestMethodOrPreflightMethod())
{
// e.g. Try PostCustomer first, then fall back to Post action name
return(actionMap.FindMatchingAction(
"Post" + entitySet.EntityType().Name,
"Post"));
}
}
else if (odataPath.PathTemplate == "~/entityset/$count" &&
ODataRequestMethod.Get == controllerContext.Request.GetRequestMethodOrPreflightMethod())
{
EntitySetSegment entitySetSegment = (EntitySetSegment)odataPath.Segments[0];
IEdmEntitySetBase entitySet = entitySetSegment.EntitySet;
// e.g. Try GetCustomers first, then fall back to Get action name
return(actionMap.FindMatchingAction(
"Get" + entitySet.Name,
"Get"));
}
else if (odataPath.PathTemplate == "~/entityset/cast")
{
EntitySetSegment entitySetSegment = (EntitySetSegment)odataPath.Segments[0];
IEdmEntitySetBase entitySet = entitySetSegment.EntitySet;
IEdmCollectionType collectionType = (IEdmCollectionType)odataPath.EdmType;
IEdmEntityType entityType = (IEdmEntityType)collectionType.ElementType.Definition;
if (ODataRequestMethod.Get == controllerContext.Request.GetRequestMethodOrPreflightMethod())
{
// e.g. Try GetCustomersFromSpecialCustomer first, then fall back to GetFromSpecialCustomer
return(actionMap.FindMatchingAction(
"Get" + entitySet.Name + "From" + entityType.Name,
"GetFrom" + entityType.Name));
}
else if (ODataRequestMethod.Post == controllerContext.Request.GetRequestMethodOrPreflightMethod())
{
// e.g. Try PostCustomerFromSpecialCustomer first, then fall back to PostFromSpecialCustomer
return(actionMap.FindMatchingAction(
"Post" + entitySet.EntityType().Name + "From" + entityType.Name,
"PostFrom" + entityType.Name));
}
}
else if (odataPath.PathTemplate == "~/entityset/cast/$count" &&
ODataRequestMethod.Get == controllerContext.Request.GetRequestMethodOrPreflightMethod())
{
EntitySetSegment entitySetSegment = (EntitySetSegment)odataPath.Segments[0];
IEdmEntitySetBase entitySet = entitySetSegment.EntitySet;
IEdmCollectionType collectionType = (IEdmCollectionType)odataPath.Segments[1].EdmType;
IEdmEntityType entityType = (IEdmEntityType)collectionType.ElementType.Definition;
// e.g. Try GetCustomersFromSpecialCustomer first, then fall back to GetFromSpecialCustomer
return(actionMap.FindMatchingAction(
"Get" + entitySet.Name + "From" + entityType.Name,
"GetFrom" + entityType.Name));
}
return(null);
}
private object ProcessPostBody(IODataRequestMessage message, IEdmEntitySetBase entitySet, object queryResults)
{
object lastNewInstance = null;
using (var messageReader = new ODataMessageReader(message, this.GetReaderSettings()))
{
var odataItemStack = new Stack <ODataItem>();
var entityStack = new Stack <IEdmEntitySetBase>();
var entryReader = messageReader.CreateODataResourceReader(entitySet, entitySet.EntityType());
var currentTargetEntitySet = entitySet;
while (entryReader.Read())
{
switch (entryReader.State)
{
case ODataReaderState.ResourceStart:
{
var entry = (ODataResource)entryReader.Item;
if (entry == null)
{
break;
}
odataItemStack.Push(entryReader.Item);
entityStack.Push(currentTargetEntitySet);
break;
}
case ODataReaderState.ResourceEnd:
{
var entry = (ODataResource)entryReader.Item;
if (entry == null)
{
break;
}
// TODO: the code here will be changed to handle following scenarios
// 1: non-contained navigation, e.g. People(1)/Friends
// 2. general entity set, e.g. People
// 3. contained navigation, e.g. People(1)/Trips
// 4. complex property, e.g. Airports('KSFO')/Location
// 5. upsert, e.g. People(1)/Friends(2)
object newInstance;
currentTargetEntitySet = entityStack.Pop();
if (currentTargetEntitySet == null)
{
// For entry
var valueType = EdmClrTypeUtils.GetInstanceType(entry.TypeName);
newInstance = Utility.QuickCreateInstance(valueType);
}
else
{
// For complex property
newInstance = this.DataSource.UpdateProvider.Create(entry.TypeName, queryResults);
}
foreach (var property in entry.Properties)
{
if (Utility.IsETagProperty(newInstance, property.Name))
{
continue;
}
this.DataSource.UpdateProvider.Update(newInstance, property.Name, property.Value);
}
var boundNavPropAnnotation = odataItemStack.Pop().GetAnnotation <BoundNavigationPropertyAnnotation>();
if (boundNavPropAnnotation != null)
{
foreach (var boundProperty in boundNavPropAnnotation.BoundProperties)
{
var isCollection = boundProperty.Item1.IsCollection == true;
var propertyValue = isCollection ? boundProperty.Item2 : ((IEnumerable <object>)boundProperty.Item2).Single();
this.DataSource.UpdateProvider.Update(newInstance, boundProperty.Item1.Name, propertyValue);
}
}
var parentItem = odataItemStack.Count > 0 ? odataItemStack.Peek() : null;
if (parentItem != null)
{
// This new resource belongs to a navigation property and/or complex/complex collection property and/or feed -
// propagate it up the tree for further processing.
AddChildInstanceAnnotation(parentItem, newInstance);
}
lastNewInstance = newInstance;
}
break;
case ODataReaderState.ResourceSetStart:
odataItemStack.Push(entryReader.Item);
break;
case ODataReaderState.ResourceSetEnd:
{
var childAnnotation = odataItemStack.Pop().GetAnnotation <ChildInstanceAnnotation>();
var parentNavLink = odataItemStack.Count > 0 ? odataItemStack.Peek() as ODataNestedResourceInfo : null;
if (parentNavLink != null)
{
// This feed belongs to a navigation property -
// propagate it up the tree for further processing.
AddChildInstanceAnnotations(parentNavLink, childAnnotation == null ? new object[0] : (childAnnotation.ChildInstances ?? new object[0]));
}
}
break;
case ODataReaderState.NestedResourceInfoStart:
{
odataItemStack.Push(entryReader.Item);
var nestedResourceInfo = (ODataNestedResourceInfo)entryReader.Item;
IEdmNavigationProperty navigationProperty = currentTargetEntitySet == null ? null : currentTargetEntitySet.EntityType().FindProperty(nestedResourceInfo.Name) as IEdmNavigationProperty;
// Current model implementation doesn't expose associations otherwise this would be much cleaner.
if (navigationProperty != null)
{
currentTargetEntitySet = this.DataSource.Model.EntityContainer.EntitySets().Single(s => s.EntityType() == navigationProperty.Type.Definition);
}
else
{
currentTargetEntitySet = null;
}
entityStack.Push(currentTargetEntitySet);
}
break;
case ODataReaderState.NestedResourceInfoEnd:
{
var navigationLink = (ODataNestedResourceInfo)entryReader.Item;
var childAnnotation = odataItemStack.Pop().GetAnnotation <ChildInstanceAnnotation>();
if (childAnnotation != null)
{
// Propagate the bound entries to the parent entry.
AddBoundNavigationPropertyAnnotation(odataItemStack.Peek(), navigationLink, childAnnotation == null ? new object[0] : childAnnotation.ChildInstances);
}
entityStack.Pop();
currentTargetEntitySet = entityStack.Peek();
}
break;
}
}
}
return(lastNewInstance);
}
