src/main/java/de/uapcore/lightpit/modules/UsersModule.java

Sat, 16 May 2020 15:45:06 +0200

author
Mike Becker <universe@uap-core.de>
date
Sat, 16 May 2020 15:45:06 +0200
changeset 53
6a8498291606
parent 51
dd0a45ae25d7
child 59
c759c60507a2
permissions
-rw-r--r--

fixes bug where displaying an error page for missing data source would also require that data source (error pages don't try to get database connections now)

also improves error pages in general

/*
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 *
 * Copyright 2018 Mike Becker. All rights reserved.
 *
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 * modification, are permitted provided that the following conditions are met:
 *
 *   1. Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 *
 *   2. Redistributions in binary form must reproduce the above copyright
 *      notice, this list of conditions and the following disclaimer in the
 *      documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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package de.uapcore.lightpit.modules;


import de.uapcore.lightpit.*;
import de.uapcore.lightpit.dao.DataAccessObjects;
import de.uapcore.lightpit.entities.User;

import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServletRequest;
import java.sql.SQLException;
import java.util.Optional;

@LightPITModule(
        bundleBaseName = "localization.users",
        modulePath = "teams",
        defaultPriority = 100
)
@WebServlet(
        name = "UsersModule",
        urlPatterns = "/teams/*"
)
public final class UsersModule extends AbstractLightPITServlet {

    @RequestMapping(method = HttpMethod.GET)
    public ResponseType index(HttpServletRequest req, DataAccessObjects dao) throws SQLException {
        final var userDao = dao.getUserDao();

        req.setAttribute("users", userDao.list());
        setDynamicFragment(req, "users");

        return ResponseType.HTML;
    }

    @RequestMapping(requestPath = "edit", method = HttpMethod.GET)
    public ResponseType edit(HttpServletRequest req, DataAccessObjects dao) throws SQLException {
        final var userDao = dao.getUserDao();

        Optional<Integer> id = getParameter(req, Integer.class, "id");
        if (id.isPresent()) {
            req.setAttribute("user", Optional.ofNullable(userDao.find(id.get())).orElse(new User(-1)));
        } else {
            req.setAttribute("user", new User(-1));
        }

        setDynamicFragment(req, "user-form");

        return ResponseType.HTML;
    }

    @RequestMapping(requestPath = "commit", method = HttpMethod.POST)
    public ResponseType commit(HttpServletRequest req, DataAccessObjects dao) {

        User user = new User(-1);
        try {
            user = new User(getParameter(req, Integer.class, "userid").orElseThrow());
            user.setUsername(getParameter(req, String.class, "username").orElseThrow());
            getParameter(req, String.class, "givenname").ifPresent(user::setGivenname);
            getParameter(req, String.class, "lastname").ifPresent(user::setLastname);
            getParameter(req, String.class, "mail").ifPresent(user::setMail);

            dao.getUserDao().saveOrUpdate(user);

            setRedirectLocation(req, "./teams/");
            setDynamicFragment(req, Constants.DYN_FRAGMENT_COMMIT_SUCCESSFUL);
        } catch (NullPointerException | NumberFormatException | SQLException ex) {
            // TODO: set request attribute with error text
            req.setAttribute("user", user);
            setDynamicFragment(req, "user-form");
        }

        return ResponseType.HTML;
    }
}

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