private static IEdmTypeReference GetEdmTypeReference(Dictionary <Type, IEdmType> availableTypes, IEdmTypeConfiguration configuration, bool nullable)
{
Contract.Assert(availableTypes != null);
if (configuration == null)
{
return(null);
}
EdmTypeKind kind = configuration.Kind;
if (kind == EdmTypeKind.Collection)
{
CollectionTypeConfiguration collectionType = (CollectionTypeConfiguration)configuration;
EdmCollectionType edmCollectionType =
new EdmCollectionType(GetEdmTypeReference(availableTypes, collectionType.ElementType, nullable));
return(new EdmCollectionTypeReference(edmCollectionType));
}
else
{
Type configurationClrType = TypeHelper.GetUnderlyingTypeOrSelf(configuration.ClrType);
if (!TypeHelper.IsEnum(configurationClrType))
{
configurationClrType = configuration.ClrType;
}
IEdmType type;
if (availableTypes.TryGetValue(configurationClrType, out type))
{
if (kind == EdmTypeKind.Complex)
{
return(new EdmComplexTypeReference((IEdmComplexType)type, nullable));
}
else if (kind == EdmTypeKind.Entity)
{
return(new EdmEntityTypeReference((IEdmEntityType)type, nullable));
}
else if (kind == EdmTypeKind.Enum)
{
return(new EdmEnumTypeReference((IEdmEnumType)type, nullable));
}
else
{
throw Error.InvalidOperation(SRResources.UnsupportedEdmTypeKind, kind.ToString());
}
}
else if (configuration.Kind == EdmTypeKind.Primitive)
{
PrimitiveTypeConfiguration primitiveTypeConfiguration = (PrimitiveTypeConfiguration)configuration;
EdmPrimitiveTypeKind typeKind = EdmTypeBuilder.GetTypeKind(primitiveTypeConfiguration.ClrType);
return(EdmCoreModel.Instance.GetPrimitive(typeKind, nullable));
}
else if (configuration.Kind == EdmTypeKind.Untyped)
{
return(EdmCoreModel.Instance.GetUntyped());
}
else
{
throw Error.InvalidOperation(SRResources.NoMatchingIEdmTypeFound, configuration.FullName);
}
}
}
public static IEdmModel BuildEdmModel(Type ApiContextType)
{
ODataModelBuilder builder = new ODataConventionModelBuilder();
builder.Namespace = ApiContextType.Namespace;
var publicProperties = ApiContextType.GetProperties(BindingFlags.Public | BindingFlags.Instance);
foreach (var property in publicProperties)
{
var entityClrType = TypeHelper.GetImplementedIEnumerableType(property.PropertyType);
EntityTypeConfiguration entity = builder.AddEntityType(entityClrType);
builder.AddEntitySet(property.Name, entity);
}
// Get the actions and functions into the model
var publicMethods = ApiContextType.GetMethods(BindingFlags.Public | BindingFlags.Instance);
foreach (var method in publicMethods)
{
if (!method.IsSpecialName)
{
var entityClrType = TypeHelper.GetImplementedIEnumerableType(method.ReturnType) ?? method.ReturnType;
OperationConfiguration configuration = null;
PrimitiveTypeConfiguration primitiveEntityType = null;
EntityTypeConfiguration entityType = null;
if (entityClrType.GetTypeInfo().IsPrimitive ||
entityClrType.GetType() == typeof(decimal) ||
entityClrType.GetType() == typeof(string))
{
primitiveEntityType = builder.AddPrimitiveType(entityClrType);
}
else
{
entityType = builder.AddEntityType(entityClrType);
}
var functionAttribute = method.GetCustomAttribute <ODataFunctionAttribute>();
if (functionAttribute != null)
{
configuration = builder.Function(method.Name);
if (functionAttribute.IsBound)
{
configuration.SetBindingParameterImplementation(functionAttribute.BindingName, entityType);
}
}
var actionAttribute = method.GetCustomAttribute <ODataActionAttribute>();
if (actionAttribute != null)
{
configuration = builder.Action(method.Name);
if (actionAttribute.IsBound)
{
configuration.SetBindingParameterImplementation(actionAttribute.BindingName, entityType);
}
}
if (configuration != null)
{
if (primitiveEntityType == null)
{
configuration.ReturnType = entityType;
}
else
{
configuration.ReturnType = primitiveEntityType;
}
configuration.IsComposable = true;
configuration.NavigationSource =
builder.NavigationSources.FirstOrDefault(n => n.EntityType == entityType) as NavigationSourceConfiguration;
foreach (var parameterInfo in method.GetParameters())
{
if (parameterInfo.ParameterType.GetTypeInfo().IsPrimitive ||
parameterInfo.ParameterType == typeof(decimal) ||
parameterInfo.ParameterType == typeof(string))
{
var primitiveType = builder.AddPrimitiveType(parameterInfo.ParameterType);
configuration.AddParameter(parameterInfo.Name, primitiveType);
}
else
{
if (parameterInfo.ParameterType.IsCollection())
{
if (parameterInfo.ParameterType.GenericTypeArguments[0].GetTypeInfo().IsPrimitive)
{
var parameterType = builder.AddPrimitiveType(parameterInfo.ParameterType.GenericTypeArguments[0]);
var collectionTypeConfig = new CollectionTypeConfiguration(parameterType, parameterInfo.ParameterType.GenericTypeArguments[0]);
configuration.AddParameter(parameterInfo.Name, collectionTypeConfig);
}
else
{
var parameterType = builder.AddEntityType(parameterInfo.ParameterType.GenericTypeArguments[0]);
var collectionTypeConfig = new CollectionTypeConfiguration(parameterType, parameterInfo.ParameterType.GenericTypeArguments[0]);
configuration.AddParameter(parameterInfo.Name, collectionTypeConfig);
}
}
else
{
var parameterType = builder.AddEntityType(parameterInfo.ParameterType);
configuration.AddParameter(parameterInfo.Name, parameterType);
}
}
}
}
}
}
return(builder.GetEdmModel());
}
private static void ApplyAttributes(IAssemblyProvider assemblyProvider, ODataConventionModelBuilder builder)
{
var allTypes = assemblyProvider.CandidateAssemblies.SelectMany(a => a.ExportedTypes);
foreach (var type in allTypes)
{
if (type.IsAbstract)
{
continue;
}
MethodInfo[] publicMethods = null;
try
{
publicMethods = type.GetMethods(BindingFlags.Public | BindingFlags.Instance);
}
catch (FileLoadException) { }
if (publicMethods != null)
{
foreach (var method in publicMethods)
{
if (!method.IsSpecialName)
{
try
{
var functionAttribute = method.GetCustomAttribute <ODataFunctionAttribute>();
var actionAttribute = method.GetCustomAttribute <ODataActionAttribute>();
if (functionAttribute == null && actionAttribute == null)
{
var genericFunctionAttribute = method.GetCustomAttribute <ODataGenericFunctionAttribute>();
var genericActionAttribute = method.GetCustomAttribute <ODataGenericActionAttribute>();
if (genericActionAttribute == null && genericFunctionAttribute == null)
{
continue;
}
var genericTypeDefinition = method.DeclaringType.IsGenericTypeDefinition ? method.DeclaringType : method.DeclaringType.GetGenericTypeDefinition();
var genericArguments = genericTypeDefinition.GetGenericArguments();
var genericParameters = method.DeclaringType.GetGenericArguments();
Type GetTypeFromDefinition(string name)
{
if (string.IsNullOrWhiteSpace(name))
{
return(null);
}
for (var i = 0; i < genericArguments.Length; i++)
{
if (genericArguments[i].Name == name)
{
return(genericParameters[i]);
}
}
throw new ArgumentException(
$"Unable to find generic parameter with name {name} on type {method.DeclaringType.Name}");
}
if (genericFunctionAttribute != null)
{
functionAttribute = new ODataFunctionAttribute();
functionAttribute.IsBound = genericFunctionAttribute.IsBound;
functionAttribute.BindingName = genericFunctionAttribute.BindingName;
functionAttribute.ForCollection =
GetTypeFromDefinition(genericFunctionAttribute
.ForCollectionTypeParameterName);
functionAttribute.ForType =
GetTypeFromDefinition(genericFunctionAttribute
.ForTypeTypeParameterName);
}
if (genericActionAttribute != null)
{
actionAttribute = new ODataActionAttribute();
actionAttribute.IsBound = genericActionAttribute.IsBound;
actionAttribute.BindingName = genericActionAttribute.BindingName;
actionAttribute.ForCollection =
GetTypeFromDefinition(genericActionAttribute
.ForCollectionTypeParameterName);
actionAttribute.ForType =
GetTypeFromDefinition(genericActionAttribute
.ForTypeTypeParameterName);
}
}
var entityClrType = TypeHelper.GetImplementedIEnumerableType(method.ReturnType) ??
method.ReturnType;
entityClrType = entityClrType.UnwrapTask();
PrimitiveTypeConfiguration primitiveEntityType = null;
EntityTypeConfiguration entityType = null;
var isActionResult = typeof(IActionResult).IsAssignableFrom(entityClrType);
if (!isActionResult)
{
if (entityClrType.IsPrimitiveType())
{
primitiveEntityType = builder.AddPrimitiveType(entityClrType);
}
else
{
entityType = builder.AddEntityType(entityClrType);
}
}
var configuration =
ODataMethodBuilder.BuildMethod(
method,
builder,
functionAttribute,
actionAttribute,
out var bindingName);
if (configuration != null)
{
if (!isActionResult)
{
if (primitiveEntityType == null)
{
configuration.ReturnType = entityType;
}
else
{
configuration.ReturnType = primitiveEntityType;
}
}
configuration.IsComposable = true;
configuration.NavigationSource =
builder.NavigationSources.FirstOrDefault(n => n.EntityType == entityType);
foreach (var parameterInfo in method.GetParameters())
{
if (!string.IsNullOrWhiteSpace(bindingName) &&
parameterInfo.Name == bindingName)
{
continue;
}
if (actionAttribute != null)
{
if (parameterInfo.GetCustomAttributes(typeof(FromBodyAttribute)) != null)
{
//if (parameterInfo.ParameterType.Name == "DummyModel")
//{
// int a = 0;
//}
//if (parameterInfo.ParameterType.Name == "newParent")
//{
// int a = 0;
//}
if (parameterInfo.ParameterType.IsPrimitiveType())
{
AddParameter(builder, configuration, parameterInfo.ParameterType, parameterInfo.Name);
}
else if (builder.EntitySets.Any(t => t.ClrType == parameterInfo.ParameterType))
{
AddParameter(builder, configuration, parameterInfo.ParameterType, parameterInfo.Name);
}
else
{
foreach (var property in parameterInfo.ParameterType
.GetProperties())
{
AddParameter(builder, configuration, property.PropertyType, property.Name);
}
}
}
}
else
{
AddParameter(builder, configuration, parameterInfo.ParameterType, parameterInfo.Name);
}
}
}
}
catch (FileLoadException) { }
}
}
}
}
}