private static IEnumerable <KeyValuePair <string, object> > GetOperationExtensions(ApiDescription apiDescription)
{
var metadataAttribute = apiDescription.ActionAttributes().OfType <MetadataAttribute>().SingleOrDefault();
var dynamicSchemaAttribute = apiDescription.ActionAttributes().OfType <DynamicSchemaLookupAttribute>().SingleOrDefault();
var extensions = metadataAttribute.GetSwaggerOperationExtensions();
return(extensions.Concat(dynamicSchemaAttribute.GetSwaggerExtensions()));
}
private static IEnumerable <SwaggerResponseAttribute> GetActionAttributes(ApiDescription apiDesc)
{
var controllerAttributes = apiDesc.ControllerAttributes().OfType <SwaggerResponseAttribute>();
var actionAttributes = apiDesc.ActionAttributes().OfType <SwaggerResponseAttribute>();
return(controllerAttributes.Union(actionAttributes));
}
private static void SetResponseModelDescriptions(Operation operation, ISchemaRegistry schemaRegistry, ApiDescription apiDescription)
{
var actionAttributes = apiDescription.ActionAttributes();
var swaggerResponseExampleAttributes = actionAttributes.Where(r => r.GetType() == typeof(SwaggerResponseAttribute));
foreach (var attribute in swaggerResponseExampleAttributes)
{
var attr = (SwaggerResponseAttribute)attribute;
var statusCode = attr.StatusCode.ToString();
var response = operation.Responses.FirstOrDefault(r => r.Key == statusCode);
if (response.Equals(default(KeyValuePair <string, Response>)) == false)
{
if (response.Value != null)
{
var definition = schemaRegistry.Definitions[attr.Type.Name];
var propertiesWithDescription = attr.Type.GetProperties().Where(prop => prop.IsDefined(typeof(DescriptionAttribute), false));
foreach (var prop in propertiesWithDescription)
{
var descriptionAttribute = (DescriptionAttribute)prop.GetCustomAttributes(typeof(DescriptionAttribute), false).First();
var propName = ToCamelCase(prop.Name);
definition.Properties[propName].Description = descriptionAttribute.Description;
}
}
}
}
}
private static void SetResponseModelExamples(Operation operation, ApiDescription apiDescription)
{
var responseAttributes = apiDescription
.ActionAttributes()
.OfType <SwaggerResponseExampleAttribute>()
.ToList();
responseAttributes.AddRange(apiDescription.ControllerAttributes().OfType <SwaggerResponseExampleAttribute>());
foreach (var attr in responseAttributes)
{
var statusCode = attr.StatusCode.ToString();
var response = operation.Responses.FirstOrDefault(r => r.Key == statusCode);
if (response.Equals(default(KeyValuePair <string, Response>)) == false)
{
if (response.Value != null)
{
var provider = ExamplesProvider(_services, attr.ExamplesProviderType);
var serializerSettings = SerializerSettings(attr.ContractResolver, attr.JsonConverter);
response.Value.Examples = FormatJson(provider, serializerSettings, true);
}
}
}
}
private static void SetRequestModelExamples(Operation operation, ISchemaRegistry schemaRegistry, ApiDescription apiDescription)
{
var actionAttributes = apiDescription.ActionAttributes();
var swaggerRequestAttributes = actionAttributes.Where(r => r.GetType() == typeof(SwaggerRequestExampleAttribute));
foreach (var attribute in swaggerRequestAttributes)
{
var attr = (SwaggerRequestExampleAttribute)attribute;
var schema = schemaRegistry.GetOrRegister(attr.RequestType);
var request = operation.Parameters.FirstOrDefault(p => p.In == "body" /* && p.schema.@ref == schema.@ref */);
if (request != null)
{
var provider = (IExamplesProvider)Activator.CreateInstance(attr.ExamplesProviderType);
var parts = schema.Ref.Split('/');
var name = parts.Last();
var definitionToUpdate = schemaRegistry.Definitions[name];
if (definitionToUpdate != null)
{
var formatter = (IContractResolver)Activator.CreateInstance(attr.JsonResolver);
definitionToUpdate.Example = ((dynamic)FormatAsJson(provider, formatter))["application/json"];
}
}
}
}
private static void SetResponseModelExamples(Operation operation, ApiDescription apiDescription)
{
var actionAttributes = apiDescription.ActionAttributes();
var swaggerResponseExampleAttributes = actionAttributes.Where(r => r.GetType() == typeof(SwaggerResponseExampleAttribute));
foreach (var attribute in swaggerResponseExampleAttributes)
{
var attr = (SwaggerResponseExampleAttribute)attribute;
var statusCode = attr.StatusCode.ToString();
var response = operation.Responses.FirstOrDefault(r => r.Key == statusCode);
if (response.Equals(default(KeyValuePair <string, Response>)) == false)
{
if (response.Value != null)
{
var provider = (IExamplesProvider)Activator.CreateInstance(attr.ExamplesProviderType);
var serializerSettings = new JsonSerializerSettings {
ContractResolver = attr.ContractResolver
};
response.Value.Examples = FormatAsJson(provider, serializerSettings);
}
}
}
}
private static void SetRequestModelExamples(Operation operation, ISchemaRegistry schemaRegistry, ApiDescription apiDescription)
{
var actionAttributes = apiDescription.ActionAttributes();
var swaggerRequestAttributes = actionAttributes.Where(r => r.GetType() == typeof(SwaggerRequestExampleAttribute));
foreach (var attribute in swaggerRequestAttributes)
{
var attr = (SwaggerRequestExampleAttribute)attribute;
var schema = schemaRegistry.GetOrRegister(attr.RequestType);
var request = operation.Parameters.FirstOrDefault(p => p.In == "body" /* && p.schema.@ref == schema.@ref */);
if (request != null)
{
var provider = (IExamplesProvider)Activator.CreateInstance(attr.ExamplesProviderType);
var parts = schema.Ref.Split('/');
var name = parts.Last();
var definitionToUpdate = schemaRegistry.Definitions[name];
if (definitionToUpdate != null)
{
var serializerSettings = new JsonSerializerSettings
{
ContractResolver = attr.ContractResolver,
NullValueHandling = NullValueHandling.Ignore // ignore null values because swagger does not support null objects https://github.com/OAI/OpenAPI-Specification/issues/229
};
definitionToUpdate.Example = ((dynamic)FormatAsJson(provider, serializerSettings))["application/json"];
}
}
}
}
private static bool IsFileResponse(ApiDescription apiDescription)
{
var result = apiDescription.ActionAttributes().OfType <SwaggerFileResponseAttribute>().Any();
if (!result)
{
result = apiDescription.SupportedResponseTypes.Any(r => r.Type == typeof(Stream));
}
return(result);
}
private static bool IsExcluded(ApiDescription description)
{
var controllerExcluded = description.ControllerAttributes().OfType <AuthorizeAttribute>()
.Any(IsAdministratorRole);
if (controllerExcluded)
{
return(true);
}
var actionExcluded = description.ActionAttributes().OfType <AuthorizeAttribute>().Any(IsAdministratorRole);
if (actionExcluded)
{
return(true);
}
return(false);
}
public void Apply(Operation operation, OperationFilterContext context)
{
ISchemaRegistry schemaRegistry = context.SchemaRegistry;
ApiDescription apiDescription = context.ApiDescription;
var overrideAttribute = apiDescription.ActionAttributes().FirstOrDefault(a => a is SwaggerOperationAttribute);
// If the method is overwritten, return immediately
if (overrideAttribute != null)
{
return;
}
// Configure the name according to the method name
var controllerDescriptor = apiDescription.ActionDescriptor as Microsoft.AspNetCore.Mvc.Controllers.ControllerActionDescriptor;
if (controllerDescriptor != null)
{
operation.OperationId = controllerDescriptor.ControllerName + "Service_" + controllerDescriptor.ActionName;
}
}
private static void SetResponseModelDescriptions(Operation operation, ISchemaRegistry schemaRegistry, ApiDescription apiDescription)
{
var swaggerResponseAttributes = apiDescription
.ActionAttributes()
.OfType <SwaggerResponseAttribute>()
.ToList();
foreach (var attribute in swaggerResponseAttributes)
{
var statusCode = attribute.StatusCode.ToString();
var response = operation.Responses.FirstOrDefault(r => r.Key == statusCode);
if (response.Equals(default(KeyValuePair <string, Response>)) == false)
{
if (response.Value != null)
{
UpdateDescriptions(schemaRegistry, attribute.Type, true);
}
}
}
}
private static void SetResponseModelExamples(Operation operation, ApiDescription apiDescription)
{
var responseAttributes = apiDescription.ActionAttributes().OfType <SwaggerResponseExampleAttribute>();
foreach (var attr in responseAttributes)
{
var statusCode = ((int)attr.StatusCode).ToString();
var response = operation.Responses.FirstOrDefault(r => r.Key == statusCode);
if (response.Equals(default(KeyValuePair <string, Response>)) == false)
{
if (response.Value != null)
{
IExamplesProvider provider = (IExamplesProvider)Activator.CreateInstance(attr.ExamplesProviderType);
var serializerSettings = new JsonSerializerSettings {
ContractResolver = new CamelCasePropertyNamesContractResolver(), Formatting = Formatting.Indented, NullValueHandling = NullValueHandling.Ignore, DefaultValueHandling = DefaultValueHandling.Ignore
};
response.Value.Examples = FormatJson(provider, serializerSettings, true);
}
}
}
}
private static void SetRequestModelExamples(Operation operation, ISchemaRegistry schemaRegistry, ApiDescription apiDescription)
{
var actionAttributes = apiDescription
.ActionAttributes()
.OfType <SwaggerRequestExampleAttribute>();
foreach (var attr in actionAttributes)
{
var schema = schemaRegistry.GetOrRegister(attr.RequestType);
var bodyParameters = operation.Parameters.Where(p => p.In == "body").Cast <BodyParameter>();
var request = bodyParameters.FirstOrDefault(p => p.Schema.Ref == schema.Ref || p.Schema.Items.Ref == schema.Ref);
if (request != null)
{
var provider = ExamplesProvider(_services, attr.ExamplesProviderType);
// var name = attr.RequestType.Name; // this doesn't work for generic types, so need to to schema.ref split
var parts = schema.Ref?.Split('/');
if (parts == null)
{
continue;
}
var name = parts.Last();
if (schemaRegistry.Definitions.ContainsKey(name))
{
var definitionToUpdate = schemaRegistry.Definitions[name];
var serializerSettings = SerializerSettings(attr.ContractResolver, attr.JsonConverter);
definitionToUpdate.Example = FormatJson(provider, serializerSettings, false);
}
}
}
}
internal static bool IsObsolete(this ApiDescription apiDescription)
{
return(apiDescription.ActionAttributes().OfType <ObsoleteAttribute>().Any());
}
private static void SetRequestModelExamples(Operation operation, ISchemaRegistry schemaRegistry, ApiDescription apiDescription)
{
var actionAttributes = apiDescription
.ActionAttributes()
.OfType <SwaggerRequestExampleAttribute>();
foreach (var attr in actionAttributes)
{
var schema = schemaRegistry.GetOrRegister(attr.RequestType);
var bodyParameters = operation.Parameters.Where(p => p.In == "body").Cast <BodyParameter>();
var request = bodyParameters.FirstOrDefault(p => p?.Schema.Ref == schema.Ref || p.Schema?.Items?.Ref == schema.Ref);
if (request == null)
{
continue; // The type in their [SwaggerRequestExample(typeof(requestType), ...] is not passed to their controller action method
}
var provider = ExamplesProvider(_services, attr.ExamplesProviderType);
string name = null;
// var name = attr.RequestType.Name; // this doesn't work for generic types, so need to to schema.ref split
var parts = schema.Ref?.Split('/');
if (parts != null)
{
name = parts.Last();
}
else
{
// schema.Ref can be null for some types, so we have to try get it by attr.RequestType.Name
if (attr.RequestType.GetTypeInfo().IsGenericType)
{
// remove `# from the generic type name
var friendlyName = attr.RequestType.Name.Remove(attr.RequestType.Name.IndexOf('`'));
// for generic, Schema will be TypeName[GenericTypeName]
name = $"{friendlyName}[{string.Join(",", attr.RequestType.GetGenericArguments().Select(a => a.Name).ToList())}]";
}
else
{
name = attr.RequestType.Name;
}
}
if (string.IsNullOrEmpty(name))
{
continue;
}
var serializerSettings = SerializerSettings(attr.ContractResolver, attr.JsonConverter);
if (schemaRegistry.Definitions.ContainsKey(name))
{
var definitionToUpdate = schemaRegistry.Definitions[name];
definitionToUpdate.Example = FormatJson(provider, serializerSettings, false);
}
else
{
// schema not found in registry, so put example directly on request schema
request.Schema.Example = FormatJson(provider, serializerSettings, false);
}
}
}