/// <inheritdoc />
public virtual bool AppliesToAction(ODataControllerActionContext context)
{
if (context == null)
{
throw Error.ArgumentNull(nameof(context));
}
Debug.Assert(context.Controller != null);
Debug.Assert(context.Action != null);
ActionModel action = context.Action;
string actionName = action.ActionMethod.Name;
// for ~$metadata
if (actionName == "GetMetadata")
{
ODataPathTemplate template = new ODataPathTemplate(MetadataSegmentTemplate.Instance);
action.AddSelector("Get", context.Prefix, context.Model, template, context.RouteOptions);
return(true);
}
// for ~/
if (actionName == "GetServiceDocument")
{
ODataPathTemplate template = new ODataPathTemplate();
action.AddSelector("Get", context.Prefix, context.Model, template, context.RouteOptions);
return(true);
}
return(false);
}
private static IEdmOperation[] FindCandidates(ODataControllerActionContext context, IEdmEntityType entityType, string actionName,
out IEdmEntityType castTypeFromActionName, out bool isOnCollection)
{
// OperationNameOnCollectionOfEntityType
StringComparison caseComparision = context.Options?.RouteOptions?.EnableActionNameCaseInsensitive == true ?
StringComparison.OrdinalIgnoreCase :
StringComparison.Ordinal;
string operationName = SplitActionName(actionName, out string cast, out isOnCollection, caseComparision);
castTypeFromActionName = null;
if (cast != null)
{
if (cast.Length == 0)
{
// Early return for the following cases:
// - {OperationName}On
// - {OperationName}OnCollectionOf
return(Array.Empty <IEdmOperation>());
}
castTypeFromActionName = entityType.FindTypeInInheritance(context.Model, cast, context.Options?.RouteOptions?.EnableActionNameCaseInsensitive == true) as IEdmEntityType;
if (castTypeFromActionName == null)
{
return(Array.Empty <IEdmOperation>());
}
}
return(FindCandidates(context, operationName));
}
/// <inheritdoc />
public override bool AppliesToAction(ODataControllerActionContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
IEdmNavigationSource navigationSource = context.EntitySet == null ?
(IEdmNavigationSource)context.Singleton :
(IEdmNavigationSource)context.EntitySet;
IEdmEntityType entityType = navigationSource.EntityType();
// function should have the [HttpPost]
if (!context.Action.Attributes.Any(a => a is HttpPostAttribute))
{
return(false);
}
// action overload on binding type, only one action overload on the same binding type.
// however, it supports the bound action on derived type.
ProcessOperations(context, entityType, navigationSource);
// in OData operationImport routing convention, all action are processed by default
// even it's not a really edm operation import call.
return(false);
}
/// <summary>
///
/// </summary>
/// <param name="context"></param>
public virtual bool AppliesToAction(ODataControllerActionContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
Debug.Assert(context.Controller != null);
Debug.Assert(context.Action != null);
ActionModel action = context.Action;
if (action.Controller.ControllerType != typeof(MetadataController).GetTypeInfo())
{
return(false);
}
if (action.ActionMethod.Name == "GetMetadata")
{
ODataPathTemplate template = new ODataPathTemplate(MetadataSegmentTemplate.Instance);
action.AddSelector(context.Prefix, context.Model, template);
return(true);
}
if (action.ActionMethod.Name == "GetServiceDocument")
{
ODataPathTemplate template = new ODataPathTemplate();
action.AddSelector(context.Prefix, context.Model, template);
return(true);
}
return(false);
}
private void ProcessAttributeModel(AttributeRouteModel attributeRouteModel, IEnumerable <string> prefixes,
ODataControllerActionContext context, SelectorModel actionSelector, ActionModel actionModel, ControllerModel controllerModel,
IDictionary <SelectorModel, IList <SelectorModel> > updatedSelectors)
{
if (attributeRouteModel == null)
{
// not an attribute routing, skip it.
return;
}
string prefix = FindRelatedODataPrefix(attributeRouteModel.Template, prefixes, out string newRouteTemplate);
if (prefix == null)
{
return;
}
IEdmModel model = context.Options.RouteComponents[prefix].EdmModel;
IServiceProvider sp = context.Options.RouteComponents[prefix].ServiceProvider;
SelectorModel newSelectorModel = CreateActionSelectorModel(prefix, model, sp, newRouteTemplate, actionSelector,
attributeRouteModel.Template, actionModel.ActionName, controllerModel.ControllerName);
if (newSelectorModel != null)
{
IList <SelectorModel> selectors;
if (!updatedSelectors.TryGetValue(actionSelector, out selectors))
{
selectors = new List <SelectorModel>();
updatedSelectors[actionSelector] = selectors;
}
selectors.Add(newSelectorModel);
}
}
/// <inheritdoc />
public bool AppliesToAction(ODataControllerActionContext context)
{
if (context == null)
{
throw Error.ArgumentNull(nameof(context));
}
Debug.Assert(context.Singleton != null);
Debug.Assert(context.Action != null);
ActionModel action = context.Action;
string singletonName = context.Singleton.Name;
string actionMethodName = action.ActionName;
if (IsSupportedActionName(actionMethodName, singletonName, out string httpMethod))
{
// ~/Me
ODataPathTemplate template = new ODataPathTemplate(new SingletonSegmentTemplate(context.Singleton));
action.AddSelector(httpMethod, context.Prefix, context.Model, template, context.Options?.RouteOptions);
// processed
return(true);
}
// type cast
// GetFrom{EntityTypeName} or Get{SingletonName}From{EntityTypeName}
int index = actionMethodName.IndexOf("From", StringComparison.Ordinal);
if (index == -1)
{
return(false);
}
string actionPrefix = actionMethodName.Substring(0, index);
if (IsSupportedActionName(actionPrefix, singletonName, out httpMethod))
{
string castTypeName = actionMethodName.Substring(index + 4);
IEdmEntityType entityType = context.Singleton.EntityType();
// Shall we cast to base type and the type itself? I think yes.
IEdmStructuredType castType = entityType.FindTypeInInheritance(context.Model, castTypeName);
if (castType != null)
{
// ~/Me/Namespace.TypeCast
ODataPathTemplate template = new ODataPathTemplate(
new SingletonSegmentTemplate(context.Singleton),
new CastSegmentTemplate(castType, entityType, context.Singleton));
action.AddSelector(httpMethod, context.Prefix, context.Model, template, context.Options?.RouteOptions);
return(true);
}
}
return(false);
}
internal static bool ProcessNonNavigationProperty(string httpMethod, ODataControllerActionContext context,
ActionModel action,
IEdmNavigationSource navigationSource,
IEdmEntityType entityType, IEdmStructuredType castType)
{
// Action parameter should have a (string navigationProperty) parameter
if (!action.HasParameter <string>("navigationProperty"))
{
return(false);
}
// Let's only handle single-key convention, for composite key, use attribute routing or non-generic navigation.
bool hasRelatedKey = action.Parameters.Any(p => p.Name == "relatedKey"); // case sensitive?
bool hasRelatedId = action.Parameters.Any(p => p.Name == "relatedId");
IList <ODataSegmentTemplate> segments = new List <ODataSegmentTemplate>();
if (context.EntitySet != null)
{
segments.Add(new EntitySetSegmentTemplate(context.EntitySet));
segments.Add(KeySegmentTemplate.CreateKeySegment(entityType, context.EntitySet));
}
else
{
segments.Add(new SingletonSegmentTemplate(context.Singleton));
}
if (entityType != castType)
{
segments.Add(new CastSegmentTemplate(castType, entityType, navigationSource));
}
if (hasRelatedKey)
{
segments.Add(new NavigationLinkTemplateSegmentTemplate(entityType, navigationSource)
{
RelatedKey = "relatedKey"
});
}
else if (hasRelatedId)
{
segments.Add(new NavigationLinkTemplateSegmentTemplate(entityType, navigationSource)
{
RelatedKey = "relatedId"
});
}
else
{
segments.Add(new NavigationLinkTemplateSegmentTemplate(entityType, navigationSource));
}
ODataPathTemplate template = new ODataPathTemplate(segments);
action.AddSelector(httpMethod, context.Prefix, context.Model, template, context.Options?.RouteOptions);
return(true);
}
/// <inheritdoc />
public virtual bool AppliesToController(ODataControllerActionContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
return(context.Singleton != null);
}
/// <inheritdoc />
public virtual bool AppliesToController(ODataControllerActionContext context)
{
if (context == null)
{
throw Error.ArgumentNull(nameof(context));
}
return(context.EntitySet != null);
}
/// <inheritdoc />
public virtual bool AppliesToAction(ODataControllerActionContext context)
{
if (context == null)
{
throw Error.ArgumentNull(nameof(context));
}
ActionModel action = context.Action;
IEdmEntitySet entitySet = context.EntitySet;
IEdmEntityType entityType = entitySet.EntityType();
// if the action has key parameter, skip it.
if (action.HasODataKeyParameter(entityType, context.Options?.RouteOptions?.EnablePropertyNameCaseInsensitive ?? false))
{
return(false);
}
string actionName = action.ActionName;
// 1. Without type case
if (ProcessEntitySetAction(actionName, entitySet, null, context, action))
{
return(true);
}
// 2. process the derived type (cast) by searching all derived types
// GetFrom{EntityTypeName} or Get{EntitySet}From{EntityTypeName}
int index = actionName.IndexOf("From", StringComparison.Ordinal);
if (index == -1)
{
return(false);
}
string castTypeName = actionName.Substring(index + 4); // + 4 means to skip the "From"
if (castTypeName.Length == 0)
{
// Early return for the following cases:
// - Get|Post|PatchFrom
// - Get|Patch{EntitySet}From
// - Post{EntityType}From
return(false);
}
IEdmStructuredType castType = entityType.FindTypeInInheritance(context.Model, castTypeName);
if (castType == null)
{
return(false);
}
string actionPrefix = actionName.Substring(0, index);
return(ProcessEntitySetAction(actionPrefix, entitySet, castType, context, action));
}
/// <inheritdoc />
public virtual bool AppliesToController(ODataControllerActionContext context)
{
if (context == null)
{
throw Error.ArgumentNull(nameof(context));
}
// This convention only applies to "MetadataController".
return(context.Controller.ControllerType == metadataTypeInfo);
}
/// <inheritdoc />
public virtual bool AppliesToController(ODataControllerActionContext context)
{
if (context == null)
{
throw Error.ArgumentNull(nameof(context));
}
// bound operation supports for entity set and singleton
return(context.NavigationSource != null);
}
/// <inheritdoc />
public virtual bool AppliesToController(ODataControllerActionContext context)
{
if (context == null)
{
throw Error.ArgumentNull(nameof(context));
}
// structural property supports for entity set and singleton
return(context.EntitySet != null || context.Singleton != null);
}
/// <inheritdoc />
public virtual bool AppliesToController(ODataControllerActionContext context)
{
if (context == null)
{
throw Error.ArgumentNull(nameof(context));
}
// By convention, we look for the controller name as "ODataOperationImportController"
// Each operation import will be handled by the same action name in this controller.
return(context.Controller.ControllerName == "ODataOperationImport");
}
private static void AddSelector(string httpMethod, ODataControllerActionContext context, ActionModel action,
IEdmNavigationSource navigationSource,
IEdmStructuralProperty edmProperty,
IEdmType cast, IEdmEntityType declaringType, bool dollarValue, bool dollarCount)
{
IEdmEntitySet entitySet = navigationSource as IEdmEntitySet;
IEdmEntityType entityType = navigationSource.EntityType();
IList <ODataSegmentTemplate> segments = new List <ODataSegmentTemplate>();
if (entitySet != null)
{
segments.Add(new EntitySetSegmentTemplate(entitySet));
segments.Add(KeySegmentTemplate.CreateKeySegment(entityType, navigationSource));
}
else
{
segments.Add(new SingletonSegmentTemplate(navigationSource as IEdmSingleton));
}
if (declaringType != null && declaringType != entityType)
{
segments.Add(new CastSegmentTemplate(declaringType, entityType, navigationSource));
}
segments.Add(new PropertySegmentTemplate(edmProperty));
if (cast != null)
{
if (edmProperty.Type.IsCollection())
{
cast = new EdmCollectionType(cast.ToEdmTypeReference(edmProperty.Type.IsNullable));
}
// TODO: maybe create the collection type for the collection????
segments.Add(new CastSegmentTemplate(cast, edmProperty.Type.Definition, navigationSource));
}
if (dollarValue)
{
segments.Add(new ValueSegmentTemplate(edmProperty.Type.Definition));
}
if (dollarCount)
{
segments.Add(CountSegmentTemplate.Instance);
}
ODataPathTemplate template = new ODataPathTemplate(segments);
action.AddSelector(httpMethod.NormalizeHttpMethod(), context.Prefix, context.Model, template, context.Options?.RouteOptions);
}
/// <inheritdoc />
public virtual bool AppliesToController(ODataControllerActionContext context)
{
if (context == null)
{
throw Error.ArgumentNull(nameof(context));
}
// It allows to use attribute routing without ODataRoutePrefixAttribute.
// In this case, we only use the ODataRouteAttrbute to construct the route template.
// Otherwise, we combine each route prefix with each route attribute to construct the route template.
foreach (var pathTemplatePrefix in GetODataPathTemplatePrefixes(context.Prefix, context.Controller))
{
foreach (var action in context.Controller.Actions)
{
var routeAttributes = action.Attributes.OfType <ODataRouteAttribute>();
foreach (ODataRouteAttribute routeAttribute in routeAttributes)
{
// If we have the route prefix name setting, make sure we only let the attribute with the same route prefx to pass.
if (routeAttribute.RoutePrefix != null &&
!string.Equals(routeAttribute.RoutePrefix, context.Prefix, StringComparison.OrdinalIgnoreCase))
{
continue;
}
try
{
string routeTemplate = GetODataPathTemplateString(pathTemplatePrefix, routeAttribute.PathTemplate);
ODataPathTemplate pathTemplate = _templateParser.Parse(context.Model, routeTemplate, context.ServiceProvider);
// Add the httpMethod?
action.AddSelector(null, context.Prefix, context.Model, pathTemplate, context.RouteOptions);
}
catch (ODataException ex)
{
// use the logger to log the wrong odata attribute template. Shall we log the others?
string warning = string.Format(CultureInfo.CurrentCulture, SRResources.InvalidODataRouteOnAction,
routeAttribute.PathTemplate, action.ActionMethod.Name, context.Controller.ControllerName, ex.Message);
_logger.LogWarning(warning);
}
}
}
}
// We execute this convention on all actions in the controller level.
// So, returns false to make sure we don't want to call the AppliesToAction for this convention.
return(false);
}
private static IEdmOperation[] FindCandidates(ODataControllerActionContext context, string operationName)
{
// TODO: refactor here
// If we have multiple same function defined, we should match the best one?
StringComparison actionNameComparison = context.Options?.RouteOptions?.EnableActionNameCaseInsensitive == true ?
StringComparison.OrdinalIgnoreCase :
StringComparison.Ordinal;
return(context.Model.SchemaElements
.OfType <IEdmOperation>()
.Where(f => f.IsBound && f.Name.Equals(operationName, actionNameComparison))
.ToArray());
}
/// <summary>
///
/// </summary>
/// <param name="context"></param>
public virtual bool AppliesToAction(ODataControllerActionContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
ActionModel action = context.Action;
if (context.EntitySet == null)
{
return(false);
}
IEdmEntitySet entitySet = context.EntitySet;
if (action.Parameters.Count != 0)
{
// TODO: improve here to accept other parameters, for example ODataQueryOptions<T>
return(false);
}
string actionName = action.ActionMethod.Name;
if (actionName == "Get" ||
actionName == $"Get{entitySet.Name}")
{
ODataPathTemplate template = new ODataPathTemplate(new EntitySetSegmentTemplate(entitySet));
action.AddSelector(context.Prefix, context.Model, template);
// $count
template = new ODataPathTemplate(new EntitySetSegmentTemplate(entitySet), CountSegmentTemplate.Instance);
action.AddSelector(context.Prefix, context.Model, template);
return(true);
}
else if (actionName == "Post" ||
actionName == $"Post{entitySet.EntityType().Name}")
{
ODataPathTemplate template = new ODataPathTemplate(new EntitySetSegmentTemplate(entitySet));
action.AddSelector(context.Prefix, context.Model, template);
return(true);
}
else
{
// process the derive type (cast)
// search all derived types
}
return(false);
}
/// <summary>
///
/// </summary>
/// <param name="context"></param>
public virtual bool AppliesToAction(ODataControllerActionContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
ActionModel action = context.Action;
if (context.EntitySet == null || action.Parameters.Count < 1)
{
// At lease one parameter for the key.
return(false);
}
IEdmEntitySet entitySet = context.EntitySet;
var entityType = entitySet.EntityType();
var entityTypeName = entitySet.EntityType().Name;
var keys = entitySet.EntityType().Key().ToArray();
string actionName = action.ActionMethod.Name;
if ((actionName == "Get" ||
actionName == $"Get{entityTypeName}" ||
actionName == "Put" ||
actionName == $"Put{entityTypeName}" ||
actionName == "Patch" ||
actionName == $"Patch{entityTypeName}" ||
actionName == "Delete" ||
actionName == $"Delete{entityTypeName}") &&
keys.Length == action.Parameters.Count)
{
ODataPathTemplate template = new ODataPathTemplate(
new EntitySetSegmentTemplate(entitySet),
new KeySegmentTemplate(entityType)
);
// support key in parenthesis
action.AddSelector(context.Prefix, context.Model, template);
// support key as segment
ODataPathTemplate newTemplate = template.Clone();
newTemplate.KeyAsSegment = true;
action.AddSelector(context.Prefix, context.Model, newTemplate);
return(true);
}
return(false);
}
private void AddSelector(string httpMethod, ODataControllerActionContext context, ActionModel action,
IEdmNavigationSource navigationSource, string declared, IEdmEntityType declaringEntityType,
IEdmNavigationProperty navigationProperty, bool hasKey, bool dollarCount)
{
IEdmEntitySet entitySet = navigationSource as IEdmEntitySet;
IEdmEntityType entityType = navigationSource.EntityType();
// Starts the routing template
IList <ODataSegmentTemplate> segments = new List <ODataSegmentTemplate>();
if (entitySet != null)
{
segments.Add(new EntitySetSegmentTemplate(entitySet));
}
else
{
segments.Add(new SingletonSegmentTemplate(navigationSource as IEdmSingleton));
}
if (hasKey)
{
segments.Add(KeySegmentTemplate.CreateKeySegment(entityType, navigationSource));
}
if (declared != null)
{
// It should be always single type
if (entityType != declaringEntityType)
{
segments.Add(new CastSegmentTemplate(declaringEntityType, entityType, navigationSource));
}
}
IEdmNavigationSource targetNavigationSource = navigationSource.FindNavigationTarget(navigationProperty, segments, out _);
segments.Add(new NavigationSegmentTemplate(navigationProperty, targetNavigationSource));
if (dollarCount)
{
segments.Add(CountSegmentTemplate.Instance);
}
ODataPathTemplate template = new ODataPathTemplate(segments);
action.AddSelector(httpMethod.NormalizeHttpMethod(), context.Prefix, context.Model, template, context.RouteOptions);
Log.AddedODataSelector(_logger, action, template);
}
/// <inheritdoc />
public virtual bool AppliesToAction(ODataControllerActionContext context)
{
if (context == null)
{
throw Error.ArgumentNull(nameof(context));
}
ActionModel action = context.Action;
IEdmEntitySet entitySet = context.EntitySet;
IEdmEntityType entityType = entitySet.EntityType();
// if the action has key parameter, skip it.
if (action.HasODataKeyParameter(entityType))
{
return(false);
}
string actionName = action.ActionMethod.Name;
// 1. Without type case
if (ProcessEntitySetAction(actionName, entitySet, null, context, action))
{
return(true);
}
// 2. process the derive type (cast) by searching all derived types
// GetFrom{EntityTypeName} or Get{EntitySet}From{EntityTypeName}
int index = actionName.IndexOf("From", StringComparison.Ordinal);
if (index == -1)
{
return(false);
}
string castTypeName = actionName.Substring(index + 4); // + 4 means to skip the "From"
IEdmStructuredType castType = entityType.FindTypeInInheritance(context.Model, castTypeName);
if (castType == null)
{
return(false);
}
string actionPrefix = actionName.Substring(0, index);
return(ProcessEntitySetAction(actionPrefix, entitySet, castType, context, action));
}
/// <summary>
///
/// </summary>
/// <param name="context"></param>
public virtual bool AppliesToAction(ODataControllerActionContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
ActionModel action = context.Action;
ODataRouteAttribute routeAttr = action.GetAttribute <ODataRouteAttribute>();
if (routeAttr == null)
{
return(false);
}
string prefix = context.Prefix;
IEdmModel model = context.Model;
string routeTemplate = "";
ODataRoutePrefixAttribute prefixAttr = action.Controller.GetAttribute <ODataRoutePrefixAttribute>();
if (prefixAttr != null)
{
routeTemplate = prefixAttr.Prefix + "/";
}
routeTemplate += routeAttr.PathTemplate;
SelectorModel selectorModel = action.Selectors.FirstOrDefault(s => s.AttributeRouteModel == null);
if (selectorModel == null)
{
selectorModel = new SelectorModel();
action.Selectors.Add(selectorModel);
}
string templateStr = string.IsNullOrEmpty(prefix) ? routeTemplate : $"{prefix}/{routeTemplate}";
selectorModel.AttributeRouteModel = new AttributeRouteModel(new RouteAttribute(templateStr)
{
Name = templateStr
});
selectorModel.EndpointMetadata.Add(new ODataEndpointMetadata(prefix, model, templateStr));
return(true);
}
/// <inheritdoc />
public override bool AppliesToAction(ODataControllerActionContext context)
{
if (context == null)
{
throw Error.ArgumentNull(nameof(context));
}
IEdmNavigationSource navigationSource = context.NavigationSource;
IEdmEntityType entityType = navigationSource.EntityType();
// function should have the [HttpGet]
if (!context.Action.Attributes.Any(a => a is HttpGetAttribute))
{
return(false);
}
ProcessOperations(context, entityType, navigationSource);
return(false);
}
/// <summary>
///
/// </summary>
/// <param name="context"></param>
public bool AppliesToAction(ODataControllerActionContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
ActionModel action = context.Action;
if (action.Controller.ControllerName != "ODataOperationImport")
{
return(false);
}
IEdmModel model = context.Model;
// By convention, we use the operation name as the action name in the controller
string actionMethodName = action.ActionMethod.Name;
var edmOperationImports = model.EntityContainer.FindOperationImports(actionMethodName);
foreach (var edmOperationImport in edmOperationImports)
{
IEdmEntitySetBase targetSet = null;
edmOperationImport.TryGetStaticEntitySet(model, out targetSet);
if (edmOperationImport.IsActionImport())
{
ODataPathTemplate template = new ODataPathTemplate(new ActionImportSegmentTemplate((IEdmActionImport)edmOperationImport));
action.AddSelector(context.Prefix, context.Model, template);
}
else
{
IEdmFunctionImport functionImport = (IEdmFunctionImport)edmOperationImport;
ODataPathTemplate template = new ODataPathTemplate(new FunctionImportSegmentTemplate(functionImport));
action.AddSelector(context.Prefix, context.Model, template);
}
}
// in OData operationImport routing convention, all action are processed by default
// even it's not a really edm operation import call.
return(true);
}
/// <summary>
///
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public virtual bool AppliesToController(ODataControllerActionContext context)
{
//if (model == null)
//{
// throw new ArgumentNullException(nameof(model));
//}
//if (controller == null)
//{
// throw new ArgumentNullException(nameof(controller));
//}
//string controllerName = controller.ControllerName;
//NavigationSource = model.EntityContainer?.FindEntitySet(controllerName);
//// Cached the singleton, because we call this method first, then AppliesToAction
//// FindSingleton maybe time consuming.
//return NavigationSource != null;
return(true);
}
/// <inheritdoc />
public virtual bool AppliesToAction(ODataControllerActionContext context)
{
if (context == null)
{
throw Error.ArgumentNull(nameof(context));
}
ActionModel action = context.Action;
IEdmEntitySet entitySet = context.EntitySet;
IEdmEntityType entityType = entitySet.EntityType();
// if the action has no key parameter, skip it.
if (!action.HasODataKeyParameter(entityType))
{
return(false);
}
string actionName = action.ActionMethod.Name;
// We care about the action in this pattern: {HttpMethod}{EntityTypeName}
(string httpMethod, string castTypeName) = Split(actionName);
if (httpMethod == null)
{
return(false);
}
IEdmStructuredType castType = null;
if (castTypeName != null)
{
castType = entityType.FindTypeInInheritance(context.Model, castTypeName);
if (castType == null)
{
return(false);
}
}
AddSelector(entitySet, entityType, castType, context.Prefix, context.Model, action, httpMethod);
return(true);
}
private static bool IsSupportedActionName(ODataControllerActionContext context, string actionName, string singletonName, out string httpMethod)
{
StringComparison actionNameComparison = context.Options?.RouteOptions?.EnableActionNameCaseInsensitive == true ? StringComparison.OrdinalIgnoreCase : StringComparison.Ordinal;
if (actionName.Equals("Get", actionNameComparison) || actionName.Equals($"Get{singletonName}", actionNameComparison))
{
httpMethod = "Get";
return(true);
}
else if (actionName.Equals("Put", actionNameComparison) || actionName.Equals($"Put{singletonName}", actionNameComparison))
{
httpMethod = "Put";
return(true);
}
else if (actionName.Equals("Patch", actionNameComparison) || actionName.Equals($"Patch{singletonName}", actionNameComparison))
{
httpMethod = "Patch";
return(true);
}
httpMethod = "";
return(false);
}
/// <summary>
///
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public virtual bool AppliesToController(ODataControllerActionContext context)
{
// Apply to all controllers
return(true);
}
/// <inheritdoc />
public virtual bool AppliesToAction(ODataControllerActionContext context)
{
if (context == null)
{
throw Error.ArgumentNull(nameof(context));
}
ActionModel action = context.Action;
IEdmModel model = context.Model;
// By convention, we use the operation import name as the action name in the controller
string actionMethodName = action.ActionName;
var edmOperationImports = model.ResolveOperationImports(actionMethodName, enableCaseInsensitive: true);
if (!edmOperationImports.Any())
{
return(true);
}
(var actionImports, var functionImports) = edmOperationImports.SplitOperationImports();
// It's not allowed to have an action import and function import with the same name.
if (actionImports.Count > 0 && functionImports.Count > 0)
{
throw new ODataException(Error.Format(SRResources.OperationMustBeUniqueInEntitySetContainer, actionMethodName));
}
else if (actionImports.Count > 0 && context.Action.Attributes.Any(a => a is HttpPostAttribute))
{
if (actionImports.Count != 1)
{
throw new ODataException(Error.Format(SRResources.MultipleActionImportFound, actionMethodName));
}
IEdmActionImport actionImport = actionImports[0];
IEdmEntitySetBase targetEntitySet;
actionImport.TryGetStaticEntitySet(model, out targetEntitySet);
// TODO:
// 1. shall we check the [HttpPost] attribute, or does the ASP.NET Core have the default?
// 2) shall we check the action has "ODataActionParameters" parameter type?
ODataPathTemplate template = new ODataPathTemplate(new ActionImportSegmentTemplate(actionImport, targetEntitySet));
action.AddSelector("Post", context.Prefix, context.Model, template, context.Options?.RouteOptions);
return(true);
}
else if (functionImports.Count > 0 && context.Action.Attributes.Any(a => a is HttpGetAttribute))
{
IEdmFunctionImport functionImport = FindFunctionImport(functionImports, action);
if (functionImport == null)
{
return(false);
}
IEdmEntitySetBase targetSet;
functionImport.TryGetStaticEntitySet(model, out targetSet);
// TODO:
// 1) shall we check the [HttpGet] attribute, or does the ASP.NET Core have the default?
ODataPathTemplate template = new ODataPathTemplate(new FunctionImportSegmentTemplate(functionImport, targetSet));
action.AddSelector("Get", context.Prefix, context.Model, template, context.Options?.RouteOptions);
return(true);
}
else
{
// doesn't find an operation, return true means to skip the remaining conventions.
return(false);
}
}
/// <summary>
///
/// </summary>
/// <param name="context"></param>
public virtual bool AppliesToAction(ODataControllerActionContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
ActionModel action = context.Action;
if (context.EntitySet == null && context.Singleton == null)
{
return(false);
}
IEdmNavigationSource navigationSource = context.EntitySet == null ?
(IEdmNavigationSource)context.Singleton :
(IEdmNavigationSource)context.EntitySet;
string actionName = action.ActionMethod.Name;
string method = Split(actionName, out string property, out string cast, out string declared);
if (method == null || string.IsNullOrEmpty(property))
{
return(false);
}
IEdmEntityType entityType = navigationSource.EntityType();
IEdmModel model = context.Model;
string prefix = context.Prefix;
IEdmEntityType declaredEntityType = null;
if (declared != null)
{
declaredEntityType = entityType.FindTypeInInheritance(model, declared) as IEdmEntityType;
if (declaredEntityType == null)
{
return(false);
}
if (declaredEntityType == entityType)
{
declaredEntityType = null;
}
}
bool hasKeyParameter = HasKeyParameter(entityType, action);
IEdmSingleton singleton = navigationSource as IEdmSingleton;
if (singleton != null && hasKeyParameter)
{
// Singleton, doesn't allow to query property with key
return(false);
}
if (singleton == null && !hasKeyParameter)
{
// in entityset, doesn't allow for non-key to query property
return(false);
}
IEdmProperty edmProperty = entityType.FindProperty(property);
if (edmProperty != null && edmProperty.PropertyKind == EdmPropertyKind.Structural)
{
// only process structural property
IEdmStructuredType castComplexType = null;
if (cast != null)
{
IEdmTypeReference propertyType = edmProperty.Type;
if (propertyType.IsCollection())
{
propertyType = propertyType.AsCollection().ElementType();
}
if (!propertyType.IsComplex())
{
return(false);
}
castComplexType = propertyType.ToStructuredType().FindTypeInInheritance(model, cast);
if (castComplexType == null)
{
return(false);
}
}
IList <ODataSegmentTemplate> segments = new List <ODataSegmentTemplate>();
if (context.EntitySet != null)
{
segments.Add(new EntitySetSegmentTemplate(context.EntitySet));
}
else
{
segments.Add(new SingletonSegmentTemplate(context.Singleton));
}
if (hasKeyParameter)
{
segments.Add(new KeySegmentTemplate(entityType));
}
if (declaredEntityType != null && declaredEntityType != entityType)
{
segments.Add(new CastSegmentTemplate(declaredEntityType));
}
segments.Add(new PropertySegmentTemplate((IEdmStructuralProperty)edmProperty));
ODataPathTemplate template = new ODataPathTemplate(segments);
action.AddSelector(prefix, model, template);
return(true);
}
else
{
// map to a static action like: <method>Property(int key, string property)From<...>
if (property == "Property" && cast == null)
{
if (action.Parameters.Any(p => p.ParameterInfo.Name == "property" && p.ParameterType == typeof(string)))
{
// we find a static method mapping for all property
// we find a action route
IList <ODataSegmentTemplate> segments = new List <ODataSegmentTemplate>();
if (context.EntitySet != null)
{
segments.Add(new EntitySetSegmentTemplate(context.EntitySet));
}
else
{
segments.Add(new SingletonSegmentTemplate(context.Singleton));
}
if (hasKeyParameter)
{
segments.Add(new KeySegmentTemplate(entityType));
}
if (declaredEntityType != null)
{
segments.Add(new CastSegmentTemplate(declaredEntityType));
}
segments.Add(new PropertySegmentTemplate((string)null /*entityType*/));
ODataPathTemplate template = new ODataPathTemplate(segments);
action.AddSelector(prefix, model, template);
return(true);
}
}
}
return(false);
}
