Multi-Chess/fh.fd.ci.server/src/main/java/de/fd/fh/server/access/web/AccessController.java

package de.fd.fh.server.access.web;

import com.fasterxml.jackson.databind.ObjectMapper;
import de.fd.fh.server.access.AccessService;
import de.fd.fh.server.access.AccessToken;
import de.fd.fh.server.user.UserId;
import de.fd.fh.shared.Utils;
import de.fd.fh.shared.network.messages.LoginRequest;
import de.fd.fh.shared.network.messages.RegistrateRequest;
import spark.Request;
import spark.Response;

import static spark.Spark.*;

public class AccessController
{
    private final ObjectMapper objectMapper = new ObjectMapper();
    private final AccessService service;

    public Response deletePlayer(Request request, Response response)
    {
        final UserId userId = UserId.of(request.params(":player_id"));
        final AccessToken token = request.session().attribute("userId");

        if (service.deleteAccount(userId, token))
        {
            response.status(200);
        }
        else
        {
            response.status(400);
        }

        return response;
    }

    public Object logout(Request request, Response response)
    {
        final String token = request.headers(Utils.AUTHENTICATION_HEADER);

        if (service.logout(token))
        {
            response.status(200);
        }
        else
        {
            response.status(400);
        }

        return response;
    }

    public AccessController(final AccessService service)
    {
        this.service = service;
        before("/*",
                (req, res) ->
                {
                    final String path = req.pathInfo();
                    final String token = req.headers(Utils.AUTHENTICATION_HEADER);

                    final AccessToken accessToken = service.before(path, token);

                    req.session().attribute("userId",
                            accessToken);
                });

        post("/accounts/registrate",
                (request, response) ->
                {
                    final RegistrateRequest message =
                            objectMapper.readValue(request.body(), RegistrateRequest.class);

                    if (service.createPlayer(message))
                    {
                        response.status(201);
                    }
                    else
                    {
                        response.status(400);
                    }
                    return response;
                }
        );

        post("/accounts/login",
                (request, response) ->
                {
                    final String header = request.headers(Utils.AUTHENTICATION_HEADER);

                    final LoginRequest login = service.authorization(header);

                    if (login == null)
                    {
                        response.status(401);
                    }
                    else
                    {
                        response.status(200);
                        response.type("application/json");
                        response.body(objectMapper.writeValueAsString(login));
                    }
                    return response;
                });

        post("/accounts/logout",this::logout);

        delete("/accounts/:player_id", this::deletePlayer);
    }
}