public async Task OnRequested(IWebAPIContext context)
{
foreach (var middleware in this.middleware)
{
if (await middleware(context) == false)
{
return;
}
}
var paramInfos = this.handler.GetParameters();
var paramValues = paramInfos.Select(paramInfo => this.GetParameterValue(paramInfo, context)).ToArray();
await(Task) this.handler.Invoke(instance, paramValues);
}
private object GetParameterValue(ParameterInfo parameterInfo, IWebAPIContext context)
{
switch (parameterInfo.Name)
{
case "context":
return(context);
case "request":
return(context.Request);
case "response":
return(context.Response);
case "body":
{
try
{
if (typeof(JToken).IsAssignableFrom(parameterInfo.ParameterType))
{
return(context.ParseJson());
}
return(context.ParseBody(parameterInfo.ParameterType));
}
catch (Exception)
{
throw new BadRequestException(string.Format("Expected body to be in the format of {0}.", parameterInfo.ParameterType.Name));
}
}
}
if (context.PathParameters.ContainsKey(parameterInfo.Name))
{
return(WebControllerRouter.ConvertPathParameter(parameterInfo.ParameterType, context.PathParameters[parameterInfo.Name]));
}
throw new Exception(string.Format("Unable to determine value for parameter '{0} of route method '{1}'", parameterInfo.Name, this.handler.Name));
}
