/// <summary>
/// Returns a list of objects mapped to the values in the parameters or postdata in the order of the matched actions's arguments.
/// Objects will be parsed into the types declared by the method arguments
/// </summary>
/// <param name="action">The controller action that matches the route</param>
/// <param name="requestContext">The request context</param>
/// <param name="parameters">A collection of key value pairs</param>
/// <param name="postData">The data posted by Cef from the browser</param>
/// <returns></returns>
public object[] BindParameters(MvcAction action, RequestContext requestContext, object parameters, object postData)
{
var methodInfo = action.ActionContext.ActionMethod;
var arguments = new List <object>();
var actionParameters = methodInfo.GetParameters();
// TODO: Handle case where same parameter appears in the querystring and post data
if (requestContext.QueryParameters != null)
{
// TODO: handle multiple values for one key
var queryParameters = requestContext.QueryParameters.ToDictionary(x => x.Key, x => (object)x.Value);
foreach (var parameter in actionParameters.OrderBy(x => x.Position))
{
var boundValue = _modelBinder.GetBoundValue(parameter.ParameterType, parameter.Name, queryParameters);
arguments.Add(boundValue);
}
}
if (parameters != null)
{
var paramlookup = (IDictionary <string, object>)((IDictionary <string, string>)parameters).ToDictionary(x => x.Key, x => (object)x.Value);
foreach (var parameter in actionParameters.OrderBy(x => x.Position))
{
var boundValue = _modelBinder.GetBoundValue(parameter.ParameterType, parameter.Name, paramlookup);
arguments.Add(boundValue);
}
}
if (postData != null)
{
if (actionParameters.Length == 1)
{
switch (postData)
{
case JsonElement data:
arguments.Add(_modelBinder.BindToModel(actionParameters[0].ParameterType, data));
break;
case ExpandoObject _:
case List <ExpandoObject> _:
case List <object> _:
arguments.Add(_modelBinder.BindToModel(actionParameters[0].ParameterType, postData));
break;
default:
throw new Exception($"Unsupported type: {postData.GetType()}");
}
}
else
{
throw new Exception("POST with zero or multiple parameters is not supported");
}
}
return(arguments.ToArray());
}