public IEnumerable <ApiDescription> Map(ODataActionDescriptor actionDescriptor)
{
Contract.Requires(actionDescriptor != null);
Contract.Ensures(Contract.Result <IEnumerable <ApiDescription> >() != null);
throw new NotImplementedException();
}
public IEnumerable <ApiDescription> Map(ODataActionDescriptor oDataActionDescriptor)
{
var apiDescriptions = new List <ApiDescription>();
var apiDocumentation = GetApiDocumentation(oDataActionDescriptor.ActionDescriptor);
var parameterDescriptions = CreateParameterDescriptions(oDataActionDescriptor.ActionDescriptor);
PopulateApiDescriptions(oDataActionDescriptor, parameterDescriptions, apiDocumentation, apiDescriptions);
return(apiDescriptions);
}
private static Func <MediaTypeFormatter, bool> CanWriteODataType(ODataActionDescriptor oDataActionDescriptor, Type returnType)
{
return(mediaTypeFormatter =>
{
var oDataMediaTypeFormatter = mediaTypeFormatter as ODataMediaTypeFormatter;
if (oDataMediaTypeFormatter != null)
{
var mediaType = oDataMediaTypeFormatter.SupportedMediaTypes.FirstOrDefault();
var instanceFormatter = oDataMediaTypeFormatter.GetPerRequestFormatterInstance(returnType,
oDataActionDescriptor.Request, mediaType);
return instanceFormatter.CanWriteType(returnType);
}
return false;
});
}
private static Func <MediaTypeFormatter, bool> CanReadODataType(ODataActionDescriptor oDataActionDescriptor, ApiParameterDescription bodyParameter)
{
return(mediaTypeFormatter =>
{
var oDataMediaTypeFormatter = mediaTypeFormatter as ODataMediaTypeFormatter;
if (oDataMediaTypeFormatter != null)
{
var mediaType = oDataMediaTypeFormatter.SupportedMediaTypes.FirstOrDefault();
var instanceFormatter = oDataMediaTypeFormatter.GetPerRequestFormatterInstance(bodyParameter.ParameterDescriptor.ParameterType,
oDataActionDescriptor.Request, mediaType);
return instanceFormatter.CanReadType(bodyParameter.ParameterDescriptor.ParameterType);
}
return false;
});
}
protected void PopulateApiDescriptions(ODataActionDescriptor oDataActionDescriptor, List <ApiParameterDescription> parameterDescriptions, string apiDocumentation, List <ApiDescription> apiDescriptions)
{
Contract.Requires(oDataActionDescriptor != null);
Contract.Requires(apiDescriptions != null);
// request formatters
var bodyParameter = default(ApiParameterDescription);
if (parameterDescriptions != null)
{
bodyParameter = parameterDescriptions.FirstOrDefault(description => description.Source == ApiParameterSource.FromBody);
}
var httpConfiguration = oDataActionDescriptor.ActionDescriptor.Configuration;
Contract.Assume(httpConfiguration != null);
var mediaTypeFormatterCollection = httpConfiguration.Formatters;
var responseDescription = oDataActionDescriptor.ActionDescriptor.CreateResponseDescription();
IEnumerable <MediaTypeFormatter> supportedRequestBodyFormatters = new List <MediaTypeFormatter>();
IEnumerable <MediaTypeFormatter> supportedResponseFormatters = new List <MediaTypeFormatter>();
if (mediaTypeFormatterCollection != null)
{
supportedRequestBodyFormatters = bodyParameter != null?mediaTypeFormatterCollection.Where(CanReadODataType(oDataActionDescriptor, bodyParameter)) : Enumerable.Empty <MediaTypeFormatter>();
// response formatters
var returnType = responseDescription.ResponseType ?? responseDescription.DeclaredType;
supportedResponseFormatters = returnType != null && returnType != typeof(void) ? mediaTypeFormatterCollection.Where(CanWriteODataType(oDataActionDescriptor, returnType)) : Enumerable.Empty <MediaTypeFormatter>();
// Replacing the formatter tracers with formatters if tracers are present.
supportedRequestBodyFormatters = GetInnerFormatters(supportedRequestBodyFormatters);
supportedResponseFormatters = GetInnerFormatters(supportedResponseFormatters);
}
var supportedHttpMethods = GetHttpMethodsSupportedByAction(oDataActionDescriptor.Route, oDataActionDescriptor.ActionDescriptor);
foreach (var supportedHttpMethod in supportedHttpMethods)
{
var apiDescription = new ApiDescription
{
Documentation = apiDocumentation,
HttpMethod = supportedHttpMethod,
RelativePath = oDataActionDescriptor.RelativePathTemplate.TrimStart('/'),
ActionDescriptor = oDataActionDescriptor.ActionDescriptor,
Route = oDataActionDescriptor.Route
};
var apiSupportedResponseFormatters = apiDescription.SupportedResponseFormatters;
Contract.Assume(apiSupportedResponseFormatters != null);
apiSupportedResponseFormatters.AddRange(supportedResponseFormatters);
var apiSupportedRequestBodyFormatters = apiDescription.SupportedRequestBodyFormatters;
Contract.Assume(apiSupportedRequestBodyFormatters != null);
apiSupportedRequestBodyFormatters.AddRange(supportedRequestBodyFormatters);
if (parameterDescriptions != null)
{
var apiParameterDescriptions = apiDescription.ParameterDescriptions;
Contract.Assume(apiParameterDescriptions != null);
apiParameterDescriptions.AddRange(parameterDescriptions);
}
// Have to set ResponseDescription because it's internal!??
apiDescription.SetInstanceProperty("ResponseDescription", responseDescription);
if (apiDescription.ParameterDescriptions != null)
{
apiDescription.RelativePath = apiDescription.GetRelativePathForSwagger();
}
apiDescriptions.Add(apiDescription);
}
}
