public virtual void ValidateQuery(HttpRequest request, IODataQueryOptions queryOptions)
{
if (request == null)
{
throw Error.ArgumentNull("request");
}
if (queryOptions == null)
{
throw Error.ArgumentNull("queryOptions");
}
IEnumerable <KeyValuePair <string, StringValues> > queryParameters = request.Query;
foreach (KeyValuePair <string, StringValues> kvp in queryParameters)
{
if (!queryOptions.IsSupportedQueryOption(kvp.Key) &&
kvp.Key.StartsWith("$", StringComparison.Ordinal))
{
// we don't support any custom query options that start with $
// this should be caught be OnActionExecuted().
throw new ArgumentOutOfRangeException(kvp.Key);
}
}
queryOptions.Validate(_validationSettings);
}
public virtual void ValidateQuery(HttpRequestMessage request, IODataQueryOptions queryOptions)
{
if (request == null)
{
throw Error.ArgumentNull("request");
}
if (queryOptions == null)
{
throw Error.ArgumentNull("queryOptions");
}
IEnumerable <KeyValuePair <string, string> > queryParameters = request.GetQueryNameValuePairs();
foreach (KeyValuePair <string, string> kvp in queryParameters)
{
if (!queryOptions.IsSupportedQueryOption(kvp.Key) &&
kvp.Key.StartsWith("$", StringComparison.Ordinal))
{
// we don't support any custom query options that start with $
throw new HttpResponseException(request.CreateErrorResponse(HttpStatusCode.BadRequest,
Error.Format(SRResources.QueryParameterNotSupported, kvp.Key)));
}
}
queryOptions.Validate(_validationSettings);
}
/// <summary>
/// Apply OData query options except $select and $expand parameters.
/// </summary>
/// <typeparam name="T">The type param.</typeparam>
/// <param name="query">The OData aware query.</param>
/// <param name="rawQueryOptions">The query options.</param>
/// <param name="entitySetName">The entity set name.</param>
/// <returns>The query <see cref="IQueryable{T}"/> with applied OData parameters.</returns>
public static IQueryable <T> ApplyQueryOptionsWithoutSelectExpand <T>(
this ODataQuery <T> query,
IODataQueryOptions rawQueryOptions,
string entitySetName = null)
{
return(ApplyQueryOptionsInternal(query, rawQueryOptions, entitySetName));
}
/// <summary>
/// Validate the select and expand options.
/// </summary>
/// <param name="queryOptions">The query options.</param>
internal static void ValidateSelectExpandOnly(IODataQueryOptions queryOptions)
{
if (queryOptions.Filter != null || queryOptions.Count != null || queryOptions.OrderBy != null ||
queryOptions.Skip != null || queryOptions.Top != null)
{
throw new ODataException(Error.Format(SRResources.NonSelectExpandOnSingleEntity));
}
}
/// <summary>
/// Apply OData query options. Warning! not all providers support it.
/// </summary>
/// <typeparam name="T">The type param.</typeparam>
/// <param name="query">The OData aware query.</param>
/// <param name="rawQueryOptions">The query options.</param>
/// <param name="entitySetName">The entity set name.</param>
/// <returns>The query with special type of results <see cref="IQueryable{ISelectExpandWrapper}"/>.</returns>
public static IQueryable <ISelectExpandWrapper> ApplyQueryOptionsAsQueryable <T>(
this ODataQuery <T> query,
IODataQueryOptions rawQueryOptions,
string entitySetName = null)
{
return(ApplyQueryOptionsInternal(query, rawQueryOptions, entitySetName).SelectExpandAsQueryable(
rawQueryOptions.Select,
rawQueryOptions.Expand,
entitySetName));
}
/// <summary>
/// Execute the query.
/// </summary>
/// <param name="responseValue">The response value.</param>
/// <param name="singleResultCollection">The content as SingleResult.Queryable.</param>
/// <param name="actionDescriptor">The action context, i.e. action and controller name.</param>
/// <param name="modelFunction">A function to get the model.</param>
/// <param name="request">The internal request.</param>
/// <param name="createQueryOptionFunction">A function used to create and validate query options.</param>
/// <returns></returns>
private object ExecuteQuery(
object responseValue,
IQueryable singleResultCollection,
IWebApiActionDescriptor actionDescriptor,
Func <Type, IEdmModel> modelFunction,
IWebApiRequestMessage request,
Func <ODataQueryContext, IODataQueryOptions> createQueryOptionFunction)
{
ODataQueryContext queryContext = GetODataQueryContext(responseValue, singleResultCollection, actionDescriptor, modelFunction, request.Context.Path);
// Create and validate the query options.
IODataQueryOptions queryOptions = createQueryOptionFunction(queryContext);
// apply the query
IEnumerable enumerable = responseValue as IEnumerable;
if (enumerable == null || responseValue is string || responseValue is byte[])
{
// response is not a collection; we only support $select and $expand on single entities.
ValidateSelectExpandOnly(queryOptions);
if (singleResultCollection == null)
{
// response is a single entity.
return(ApplyQuery(entity: responseValue, queryOptions: queryOptions));
}
else
{
IQueryable queryable = singleResultCollection as IQueryable;
queryable = ApplyQuery(queryable, queryOptions);
return(SingleOrDefault(queryable, actionDescriptor));
}
}
else
{
// response is a collection.
IQueryable queryable = (enumerable as IQueryable) ?? enumerable.AsQueryable();
queryable = ApplyQuery(queryable, queryOptions);
if (request.IsCountRequest())
{
long?count = request.Context.TotalCount;
if (count.HasValue)
{
// Return the count value if it is a $count request.
return(count.Value);
}
}
return(queryable);
}
}
/// <summary>
/// Applies the query to the given entity based on incoming query from uri and query settings.
/// </summary>
/// <param name="entity">The original entity from the response message.</param>
/// <param name="queryOptions">
/// The <see cref="IODataQueryOptions"/> instance constructed based on the incoming request.
/// </param>
/// <returns>The new entity after the $select and $expand query has been applied to.</returns>
public virtual object ApplyQuery(object entity, IODataQueryOptions queryOptions)
{
if (entity == null)
{
throw Error.ArgumentNull("entity");
}
if (queryOptions == null)
{
throw Error.ArgumentNull("queryOptions");
}
return(queryOptions.ApplyTo(entity, _querySettings));
}
/// <summary>
/// Applies the query to the given IQueryable based on incoming query from uri and query settings. By default,
/// the implementation supports $top, $skip, $orderby and $filter. Override this method to perform additional
/// query composition of the query.
/// </summary>
/// <param name="queryable">The original queryable instance from the response message.</param>
/// <param name="queryOptions">
/// The <see cref="IODataQueryOptions"/> instance constructed based on the incoming request.
/// </param>
public virtual IQueryable ApplyQuery(IQueryable queryable, IODataQueryOptions queryOptions)
{
if (queryable == null)
{
throw Error.ArgumentNull("queryable");
}
if (queryOptions == null)
{
throw Error.ArgumentNull("queryOptions");
}
return(queryOptions.ApplyTo(queryable, _querySettings));
}
public void OrderBy_Works_QueryOptionCaseInsensitive()
{
// Arrange
const string orderBy = "$oRdeRby=naMe";
// Act
IODataQueryOptions queryOptions = GetQueryOptions(orderBy);
// Assert
Assert.NotNull(queryOptions.OrderBy);
OrderByClause orderByClause = queryOptions.OrderBy.OrderByClause;
SingleValuePropertyAccessNode node = Assert.IsType <SingleValuePropertyAccessNode>(orderByClause.Expression);
Assert.Equal("Name", node.Property.Name);
}
public void Filter_Works_QueryOptionCaseInsensitive()
{
// Arrange
const string filter = "$FiLtEr=name eQ 'nba'";
// Act
IODataQueryOptions queryOptions = GetQueryOptions(filter);
// Assert
Assert.NotNull(queryOptions.Filter);
FilterClause filterClause = queryOptions.Filter.FilterClause;
BinaryOperatorNode node = Assert.IsType <BinaryOperatorNode>(filterClause.Expression);
Assert.Equal(BinaryOperatorKind.Equal, node.OperatorKind);
}
public void Expand_Works_QueryOptionCaseInsensitive()
{
// Arrange
const string expand = "$ExPAnd=ProdUCts";
// Act
IODataQueryOptions queryOptions = GetQueryOptions(expand);
// Assert
Assert.NotNull(queryOptions.SelectExpand);
SelectExpandClause expandClause = queryOptions.SelectExpand.SelectExpandClause;
ExpandedNavigationSelectItem expandItem = Assert.IsType <ExpandedNavigationSelectItem>(
Assert.Single(expandClause.SelectedItems));
NavigationPropertySegment segment =
Assert.IsType <NavigationPropertySegment>(expandItem.PathToNavigationProperty.FirstSegment);
Assert.Equal("Products", segment.NavigationProperty.Name);
}
public void Select_Works_QueryOptionCaseInsensitive()
{
// Arrange
const string select = "$SeLecT=naMe";
// Act
IODataQueryOptions queryOptions = GetQueryOptions(select);
// Assert
Assert.NotNull(queryOptions.SelectExpand);
SelectExpandClause selectClause = queryOptions.SelectExpand.SelectExpandClause;
SelectItem selectItem = Assert.Single(selectClause.SelectedItems);
PathSelectItem pathSelectItem = Assert.IsType <PathSelectItem>(selectItem);
Assert.NotNull(pathSelectItem.SelectedPath);
PropertySegment segment = Assert.IsType <PropertySegment>(pathSelectItem.SelectedPath.FirstSegment);
Assert.Equal("Name", segment.Property.Name);
}
public ITestActionResult Get(IODataQueryOptions <CollectionSerializerCustomer> options)
{
IQueryable <CollectionSerializerCustomer> customers = new[]
{
new CollectionSerializerCustomer {
ID = 1, Name = "Name 1"
},
new CollectionSerializerCustomer {
ID = 2, Name = "Name 2"
},
new CollectionSerializerCustomer {
ID = 3, Name = "Name 3"
},
}.AsQueryable();
IQueryable <IEdmEntityObject> appliedCustomers = options.ApplyTo(customers) as IQueryable <IEdmEntityObject>;
return(Ok(appliedCustomers));
}
/// <summary>
/// Apply the $skiptoken query to the given IQueryable.
/// </summary>
/// <param name="query">The original <see cref="IQueryable"/>.</param>
/// <param name="skipTokenQueryOption">The skiptoken query option which needs to be applied to this query option.</param>
/// <returns>The new <see cref="IQueryable"/> after the skiptoken query has been applied to.</returns>
public override IQueryable ApplyTo(IQueryable query, SkipTokenQueryOption skipTokenQueryOption)
{
if (skipTokenQueryOption == null)
{
throw Error.ArgumentNullOrEmpty("skipTokenQueryOption");
}
ODataQuerySettings querySettings = skipTokenQueryOption.QuerySettings;
IODataQueryOptions queryOptions = skipTokenQueryOption.QueryOptions;
IList <OrderByNode> orderByNodes = null;
if (queryOptions != null)
{
OrderByQueryOption orderBy = queryOptions.GenerateStableOrder();
if (orderBy != null)
{
orderByNodes = orderBy.OrderByNodes;
}
}
return(ApplyToCore(query, querySettings, orderByNodes, skipTokenQueryOption.Context, skipTokenQueryOption.RawValue));
}
private static ODataQuery <T> ApplyQueryOptionsInternal <T>(ODataQuery <T> query, IODataQueryOptions rawQueryOptions, string entitySetName)
{
if (query == null)
{
throw new ArgumentNullException(nameof(query));
}
if (rawQueryOptions == null)
{
throw new ArgumentNullException(nameof(rawQueryOptions));
}
if (rawQueryOptions.Filters != null)
{
foreach (string filter in rawQueryOptions.Filters)
{
query = query.Filter(filter, entitySetName);
}
}
if (rawQueryOptions.OrderBy != null)
{
query = query.OrderBy(rawQueryOptions.OrderBy, entitySetName);
}
query = query.TopSkip(rawQueryOptions.Top, rawQueryOptions.Skip);
return(query);
}
/// <summary>
/// Apply the $skiptoken query to the given IQueryable.
/// </summary>
/// <param name="query">The original <see cref="IQueryable"/>.</param>
/// <param name="querySettings">The query settings to use while applying this query option.</param>
/// <param name="queryOptions">Information about the other query options.</param>
/// <returns>The new <see cref="IQueryable"/> after the skiptoken query has been applied to.</returns>
public virtual IQueryable ApplyTo(IQueryable query, ODataQuerySettings querySettings, IODataQueryOptions queryOptions)
{
QuerySettings = querySettings;
QueryOptions = queryOptions;
return(skipTokenHandler.ApplyTo(query, this));
}
/// <summary>
/// Apply the $skiptoken query to the given IQueryable.
/// </summary>
/// <param name="query">The original <see cref="IQueryable"/>.</param>
/// <param name="querySettings">The query settings to use while applying this query option.</param>
/// <param name="queryOptions">Information about the other query options.</param>
/// <returns>The new <see cref="IQueryable"/> after the skiptoken query has been applied to.</returns>
public virtual IQueryable <T> ApplyTo <T>(IQueryable <T> query, ODataQuerySettings querySettings, IODataQueryOptions queryOptions)
{
QuerySettings = querySettings;
QueryOptions = queryOptions;
return(skipTokenHandler.ApplyTo <T>(query, this) as IOrderedQueryable <T>);
}
public Task BindModelAsync(ModelBindingContext bindingContext)
{
if (bindingContext == null)
{
throw Error.ArgumentNull("bindingContext");
}
HttpRequest request = bindingContext.HttpContext.Request;
if (request == null)
{
throw Error.Argument("actionContext", SRResources.ActionContextMustHaveRequest);
}
ActionDescriptor actionDescriptor = bindingContext.ActionContext.ActionDescriptor;
if (actionDescriptor == null)
{
throw Error.Argument("actionContext", SRResources.ActionContextMustHaveDescriptor);
}
// Get the parameter description of the parameter to bind.
ParameterDescriptor paramDescriptor = bindingContext.ActionContext.ActionDescriptor.Parameters
.Where(p => p.Name == bindingContext.FieldName)
.FirstOrDefault();
// Now make sure parameter type is ODataQueryOptions or ODataQueryOptions<T>.
Type parameterType = paramDescriptor?.ParameterType;
if (IsODataQueryOptions(parameterType))
{
// Get the entity type from the parameter type if it is ODataQueryOptions<T>.
// Fall back to the return type if not. Also, note that the entity type from the return type and ODataQueryOptions<T>
// can be different (example implementing $select or $expand).
Type entityClrType = null;
if (paramDescriptor != null)
{
entityClrType = GetEntityClrTypeFromParameterType(parameterType);
}
if (entityClrType == null)
{
entityClrType = GetEntityClrTypeFromActionReturnType(actionDescriptor);
}
IEdmModel userModel = request.GetModel();
IEdmModel model = userModel != EdmCoreModel.Instance ? userModel : actionDescriptor.GetEdmModel(request, entityClrType);
ODataQueryContext entitySetContext = new ODataQueryContext(model, entityClrType, request.ODataFeature().Path);
Func <ODataQueryContext, HttpRequest, IODataQueryOptions> createODataQueryOptions;
object constructorAsObject = null;
if (actionDescriptor.Properties.TryGetValue(CreateODataQueryOptionsCtorKey, out constructorAsObject))
{
createODataQueryOptions = (Func <ODataQueryContext, HttpRequest, IODataQueryOptions>)constructorAsObject;
}
else
{
createODataQueryOptions = (Func <ODataQueryContext, HttpRequest, IODataQueryOptions>)
Delegate.CreateDelegate(typeof(Func <ODataQueryContext, HttpRequest, IODataQueryOptions>),
_createODataQueryOptions.MakeGenericMethod(entityClrType));
};
IODataQueryOptions parameterValue = createODataQueryOptions(entitySetContext, request);
bindingContext.Result = ModelBindingResult.Success(parameterValue);
}
return(TaskHelpers.Completed());
}
/// <summary>
/// Validates the OData query.
/// </summary>
/// <param name="options">The OData query to validate.</param>
/// <param name="validationSettings">The validation settings.</param>
public virtual void Validate(IODataQueryOptions options, ODataValidationSettings validationSettings)
{
if (options == null)
{
throw Error.ArgumentNull("options");
}
if (validationSettings == null)
{
throw Error.ArgumentNull("validationSettings");
}
// Validate each query options
if (options.Apply != null)
{
if (options.Apply.ApplyClause != null)
{
ValidateQueryOptionAllowed(AllowedQueryOptions.Apply, validationSettings.AllowedQueryOptions);
}
}
if (options.Skip != null)
{
ValidateQueryOptionAllowed(AllowedQueryOptions.Skip, validationSettings.AllowedQueryOptions);
options.Skip.Validate(validationSettings);
}
if (options.Top != null)
{
ValidateQueryOptionAllowed(AllowedQueryOptions.Top, validationSettings.AllowedQueryOptions);
options.Top.Validate(validationSettings);
}
if (options.OrderBy != null)
{
ValidateQueryOptionAllowed(AllowedQueryOptions.OrderBy, validationSettings.AllowedQueryOptions);
options.OrderBy.Validate(validationSettings);
}
if (options.Filter != null)
{
ValidateQueryOptionAllowed(AllowedQueryOptions.Filter, validationSettings.AllowedQueryOptions);
options.Filter.Validate(validationSettings);
}
if (options is ODataQueryOptions _options)
{
if (_options.Count != null || _options.InternalRequest.IsCountRequest())
{
ValidateQueryOptionAllowed(AllowedQueryOptions.Count, validationSettings.AllowedQueryOptions);
if (_options.Count != null)
{
_options.Count.Validate(validationSettings);
}
}
}
if (options.SkipToken != null)
{
ValidateQueryOptionAllowed(AllowedQueryOptions.SkipToken, validationSettings.AllowedQueryOptions);
options.SkipToken.Validate(validationSettings);
}
if (options.RawValues.Expand != null)
{
ValidateQueryOptionAllowed(AllowedQueryOptions.Expand, validationSettings.AllowedQueryOptions);
}
if (options.RawValues.Select != null)
{
ValidateQueryOptionAllowed(AllowedQueryOptions.Select, validationSettings.AllowedQueryOptions);
}
if (options.SelectExpand != null)
{
options.SelectExpand.Validate(validationSettings);
}
if (options.RawValues.Format != null)
{
ValidateQueryOptionAllowed(AllowedQueryOptions.Format, validationSettings.AllowedQueryOptions);
}
if (options.RawValues.SkipToken != null)
{
ValidateQueryOptionAllowed(AllowedQueryOptions.SkipToken, validationSettings.AllowedQueryOptions);
}
if (options.RawValues.DeltaToken != null)
{
ValidateQueryOptionAllowed(AllowedQueryOptions.DeltaToken, validationSettings.AllowedQueryOptions);
}
}
