NancyFx Pass data from view to module

Question

Hi I want to pass some data from an input tag to my module in NancyFx so I can add it to a json file. Looked everywhere for an answer but can't find anything.

VIEW

@inherits Nancy.ViewEngines.Razor.NancyRazorViewBase<model>
@{
    Layout = "Views/Shared/_Layout.cshtml";
}

<div id="addUser">
    <form name="addUser" method="POST">
        <p>First Name:</p>
        <input type="text" name="user">
        <input type="submit" name="Submit" value="Submit"/>
    </form>
</div>

Module

public class LeaderboardModule : NancyModule
{
    public LeaderboardModule()
    {
        Get["/adduser"] = _ =>
            {
                //var leaderboard = new LeaderboardModule();
                //var users = new List<Users>();

                //users = leaderboard.ReadFile("Users.json");

                //users.Add(new Users() { Id = 7, Name = "John" });

                //var lastItem = users.LastOrDefault();

                //leaderboard.WriteFile("Users.json", users);

                return View["Shared/_AddUser"];
        };

        Post["/adduser"] = _ =>
        {
            var leaderboard = new LeaderboardModule();
            var users = new List<Users>();

            users = leaderboard.ReadFile("Users.json");

            users.Add(new Users() { Id = 7, Name = "John" });

            //var lastItem = users.LastOrDefault();

            leaderboard.WriteFile("Users.json", users);

            return View["Leaderboard"];
        };
    }

    public List<Users> ReadFile(string fileName)
    {
        var users = new List<Users>();

        var readFile = File.ReadAllText(HttpContext.Current.Server.MapPath(fileName));

        users = JsonConvert.DeserializeObject<List<Users>>(readFile);

        return users;
    } 

    public string WriteFile(string fileName, List<Users> users)
    {
        var newUser = JsonConvert.SerializeObject(users, Formatting.Indented);

        File.WriteAllText(HttpContext.Current.Server.MapPath(fileName), newUser);

        return newUser;
    }

Here I just hard code the data in but I want to be able to add the data from the input on the view. Thanks.

Answer 1

I am assume the data you want to send back is whatever the user typed in the user form field. In your POST handler you can get to that like this:

Post["/adduser"] = _ =>
{  
    var user = Request.From.user;
    // do stuff
    return View["Leaderboard"];
}

Request is a property on NancyModule and Form is a property on Request of type DynamicDictionary. When there are FORM field in the HTTP POST request they will be accessible in Request.Form by the same name as they have on the page.

For small but working check out this, particularly this line.