/// <exception cref="InvalidOperationException">The operation has more than one body parameter.</exception>
private void LoadParameters(SwaggerOperation operation, List <ParameterInfo> parameters, string httpPath, SwaggerGenerator swaggerGenerator)
{
// TODO: Also check other attributes (e.g. FromHeader, ...)
// https://docs.asp.net/en/latest/mvc/models/model-binding.html#customize-model-binding-behavior-with-attributes
foreach (var parameter in parameters.Where(p => p.ParameterType != typeof(CancellationToken) &&
p.GetCustomAttributes().All(a => a.GetType().Name != "FromServicesAttribute") &&
p.GetCustomAttributes().All(a => a.GetType().Name != "BindNeverAttribute")))
{
var nameLower = parameter.Name.ToLowerInvariant();
if (httpPath.ToLowerInvariant().Contains("{" + nameLower + "}") ||
httpPath.ToLowerInvariant().Contains("{" + nameLower + ":")) // path parameter
{
var operationParameter = swaggerGenerator.CreatePrimitiveParameter(parameter.Name, parameter);
operationParameter.Kind = SwaggerParameterKind.Path;
operationParameter.IsNullableRaw = false;
operationParameter.IsRequired = true; // Path is always required => property not needed
operation.Parameters.Add(operationParameter);
}
else
{
var parameterInfo = JsonObjectTypeDescription.FromType(parameter.ParameterType, parameter.GetCustomAttributes(), Settings.DefaultEnumHandling);
if (TryAddFileParameter(parameterInfo, operation, parameter, swaggerGenerator) == false)
{
dynamic fromBodyAttribute = parameter.GetCustomAttributes()
.SingleOrDefault(a => a.GetType().Name == "FromBodyAttribute");
dynamic fromUriAttribute = parameter.GetCustomAttributes()
.SingleOrDefault(a => a.GetType().Name == "FromUriAttribute" || a.GetType().Name == "FromQueryAttribute");
var bodyParameterName = TryGetStringPropertyValue(fromBodyAttribute, "Name") ?? parameter.Name;
var uriParameterName = TryGetStringPropertyValue(fromUriAttribute, "Name") ?? parameter.Name;
if (parameterInfo.IsComplexType)
{
if (fromBodyAttribute != null || (fromUriAttribute == null && Settings.IsAspNetCore == false))
{
AddBodyParameter(bodyParameterName, parameter, operation, swaggerGenerator);
}
else
{
AddPrimitiveParametersFromUri(uriParameterName, operation, parameter, parameterInfo, swaggerGenerator);
}
}
else
{
if (fromBodyAttribute != null)
{
AddBodyParameter(bodyParameterName, parameter, operation, swaggerGenerator);
}
else
{
AddPrimitiveParameter(uriParameterName, operation, parameter, swaggerGenerator);
}
}
}
}
}
if (Settings.AddMissingPathParameters)
{
foreach (Match match in Regex.Matches(httpPath, "{(.*?)(:(.*?))?}"))
{
var parameterName = match.Groups[1].Value;
if (operation.Parameters.All(p => p.Name != parameterName))
{
var parameterType = match.Groups.Count == 4 ? match.Groups[3].Value : "string";
var operationParameter = swaggerGenerator.CreatePathParameter(parameterName, parameterType);
operation.Parameters.Add(operationParameter);
}
}
}
if (operation.ActualParameters.Any(p => p.Type == JsonObjectType.File))
{
operation.Consumes = new List <string> {
"multipart/form-data"
}
}
;
if (operation.ActualParameters.Count(p => p.Kind == SwaggerParameterKind.Body) > 1)
{
throw new InvalidOperationException("The operation '" + operation.OperationId + "' has more than one body parameter.");
}
}