public IActionResult GetName(string key)
{
// Get entity type from path.
ODataPath path = Request.ODataFeature().Path;
if (path.PathTemplate != "~/entityset/key/property")
{
return(BadRequest("Not the correct property access request!"));
}
PropertySegment property = path.Segments.Last() as PropertySegment;
IEdmEntityType entityType = property.Property.DeclaringType as IEdmEntityType;
// Create an untyped entity object with the entity type.
EdmEntityObject entity = new EdmEntityObject(entityType);
string sourceString = Request.GetDataSource();
DataSourceProvider.Get(sourceString, key, entity);
object value = DataSourceProvider.GetProperty(sourceString, "Name", entity);
if (value == null)
{
return(NotFound());
}
string strValue = value as string;
return(Ok(strValue));
}
// Get entityset(key)
public IEdmEntityObject Get(string key)
{
// Get entity type from path.
ODataPath path = Request.ODataProperties().Path;
IEdmEntityType entityType = (IEdmEntityType)path.EdmType;
// Create an untyped entity object with the entity type.
EdmEntityObject entity = new EdmEntityObject(entityType);
DataSourceProvider.Get((string)Request.Properties[Constants.ODataDataSource], key, entity);
return(entity);
}
// Get entityset(key)
public IEdmEntityObject Get(string key)
{
// Get entity type from path.
ODataPath path = Request.ODataFeature().Path;
IEdmEntityType entityType = (IEdmEntityType)path.EdmType;
// Create an untyped entity object with the entity type.
EdmEntityObject entity = new EdmEntityObject(entityType);
string sourceString = Request.GetDataSource();
DataSourceProvider.Get(sourceString, key, entity);
return(entity);
}
// Get entityset
public EdmEntityObjectCollection Get()
{
// Get entity set's EDM type: A collection type.
ODataPath path = Request.ODataProperties().Path;
IEdmCollectionType collectionType = (IEdmCollectionType)path.EdmType;
IEdmEntityTypeReference entityType = collectionType.ElementType.AsEntity();
// Create an untyped collection with the EDM collection type.
EdmEntityObjectCollection collection =
new EdmEntityObjectCollection(new EdmCollectionTypeReference(collectionType));
// Add untyped objects to collection.
DataSourceProvider.Get((string)Request.Properties[Constants.ODataDataSource], entityType, collection);
return(collection);
}
// Get entityset
public IActionResult Get()
{
// Get entity set's EDM type: A collection type.
ODataPath path = Request.ODataFeature().Path;
IEdmCollectionType collectionType = (IEdmCollectionType)path.EdmType;
IEdmEntityTypeReference entityType = collectionType.ElementType.AsEntity();
// Create an untyped collection with the EDM collection type.
EdmEntityObjectCollection collection =
new EdmEntityObjectCollection(new EdmCollectionTypeReference(collectionType));
string sourceString = Request.GetDataSource();
// Add untyped objects to collection.
DataSourceProvider.Get(sourceString, entityType, collection);
return(collection);
}
public IActionResult GetNavigation(string key, string navigation)
{
ODataPath path = Request.ODataFeature().Path;
if (path.PathTemplate != "~/entityset/key/navigation")
{
return(BadRequest("Not the correct navigation property access request!"));
}
NavigationPropertySegment property = path.Segments.Last() as NavigationPropertySegment;
if (property == null)
{
return(BadRequest("Not the correct navigation property access request!"));
}
IEdmEntityType entityType = property.NavigationProperty.DeclaringType as IEdmEntityType;
EdmEntityObject entity = new EdmEntityObject(entityType);
string sourceString = Request.GetDataSource();
DataSourceProvider.Get(sourceString, key, entity);
object value = DataSourceProvider.GetProperty(sourceString, navigation, entity);
if (value == null)
{
return(NotFound());
}
IEdmEntityObject nav = value as IEdmEntityObject;
if (nav == null)
{
return(NotFound());
}
return(Ok(nav));
}
