info.gehrels.voting.web.CastVoteController.java Source code

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Here is the source code for info.gehrels.voting.web.CastVoteController.java

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/*
 * Copyright  2014 Benjamin Gehrels
 *
 * This file is part of The Single Transferable Vote Elections Web Interface.
 *
 * The Single Transferable Vote Elections Web Interface is free software: you can redistribute it and/or modify it under
 * the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of
 * the License, or (at your option) any later version.
 *
 * The Single Transferable Vote Elections Web Interface is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License along with The Single Transferable Vote
 * Elections Web Interface. If not, see <http://www.gnu.org/licenses/>.
 */
package info.gehrels.voting.web;

import info.gehrels.voting.Ballot;
import info.gehrels.voting.genderedElections.GenderedCandidate;
import info.gehrels.voting.web.applicationState.BallotLayoutState;
import info.gehrels.voting.web.applicationState.CastBallotsState;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.ModelAndView;

import javax.validation.Valid;

import static org.springframework.web.bind.annotation.RequestMethod.GET;
import static org.springframework.web.bind.annotation.RequestMethod.HEAD;
import static org.springframework.web.bind.annotation.RequestMethod.POST;
import static org.springframework.web.bind.annotation.RequestMethod.PUT;

@Controller
public final class CastVoteController {
    private final BallotLayoutState ballotLayoutState;
    private final CastBallotsState castBallotsState;

    public CastVoteController(BallotLayoutState ballotLayoutState, CastBallotsState castBallotsState) {
        this.ballotLayoutState = ballotLayoutState;
        this.castBallotsState = castBallotsState;
    }

    @RequestMapping(value = "/castVote", method = { POST, PUT })
    public ModelAndView doCastVote(@Valid BallotBuilder ballotBuilder, BindingResult bindingResult,
            BallotInputTry firstOrSecondTry) {
        if (ballotLayoutState.ballotLayout == null) {
            return new ModelAndView("redirect:/");
        }

        if (bindingResult.hasErrors()) {
            return createModelAndView(ballotBuilder, firstOrSecondTry);
        }

        ballotBuilder.validate(bindingResult, "ballotBuilder");
        if (bindingResult.hasErrors()) {
            return createModelAndView(ballotBuilder, firstOrSecondTry);
        }

        Ballot<GenderedCandidate> ballotFromForm = ballotBuilder
                .createBallotFromForm(ballotLayoutState.ballotLayout);
        castBallotsState.add(firstOrSecondTry, ballotFromForm);

        return new ModelAndView("redirect:/castVote?firstOrSecondTry=" + firstOrSecondTry);
    }

    @RequestMapping(value = "/castVote", method = { HEAD, GET })
    public ModelAndView doGet(@RequestParam BallotInputTry firstOrSecondTry) {
        if (ballotLayoutState.ballotLayout == null) {
            return new ModelAndView("redirect:/");
        }

        BallotBuilder ballotBuilder = new BallotBuilder();
        return createModelAndView(ballotBuilder, firstOrSecondTry);
    }

    private ModelAndView createModelAndView(BallotBuilder ballotBuilder, BallotInputTry firstOrSecondTry) {
        ModelMap modelMap = new ModelMap();
        modelMap.addAttribute("ballotLayout", ballotLayoutState.ballotLayout);
        modelMap.addAttribute("ballotBuilder", ballotBuilder);
        modelMap.addAttribute("firstOrSecondTry", firstOrSecondTry);
        return new ModelAndView("castVote", modelMap);
    }

}