src/main/java/de/uapcore/lightpit/modules/ProjectsModule.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 52
67a02e79b7a1
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
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package de.uapcore.lightpit.modules;


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

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

import static de.uapcore.lightpit.Functions.fqn;

@LightPITModule(
        bundleBaseName = "localization.projects",
        modulePath = "projects",
        defaultPriority = 20
)
@WebServlet(
        name = "ProjectsModule",
        urlPatterns = "/projects/*"
)
public final class ProjectsModule extends AbstractLightPITServlet {

    public static final String SESSION_ATTR_SELECTED_PROJECT = fqn(ProjectsModule.class, "selected-project");

    @RequestMapping(method = HttpMethod.GET)
    public ResponseType index(HttpServletRequest req, DataAccessObjects dao) throws SQLException {
        final var projectList = dao.getProjectDao().list();
        req.setAttribute("projects", projectList);
        setDynamicFragment(req, "projects");
        setStylesheet(req, "projects");

        final var session = req.getSession();
        final var projectSelection = getParameter(req, Integer.class, "select");
        if (projectSelection.isPresent()) {
            final var selectedId = projectSelection.get();
            for (var proj : projectList) {
                if (proj.getId() == selectedId) {
                    session.setAttribute(SESSION_ATTR_SELECTED_PROJECT, proj);
                    break;
                }
            }
        } else {
            final var selectedProject = session.getAttribute(SESSION_ATTR_SELECTED_PROJECT);
            if (selectedProject == null) {
                projectList.stream().findFirst().ifPresent(proj -> session.setAttribute(SESSION_ATTR_SELECTED_PROJECT, proj));
            }
        }

        return ResponseType.HTML;
    }

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

        Optional<Integer> id = getParameter(req, Integer.class, "id");
        if (id.isPresent()) {
            req.setAttribute("project", Optional.ofNullable(projectDao.find(id.get())).orElse(new Project(-1)));
        } else {
            req.setAttribute("project", new Project(-1));
        }
        req.setAttribute("users", dao.getUserDao().list());

        setDynamicFragment(req, "project-form");

        return ResponseType.HTML;
    }

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

        Project project = new Project(-1);
        try {
            project = new Project(getParameter(req, Integer.class, "id").orElseThrow());
            project.setName(getParameter(req, String.class, "name").orElseThrow());
            getParameter(req, String.class, "description").ifPresent(project::setDescription);
            getParameter(req, String.class, "repoUrl").ifPresent(project::setRepoUrl);
            getParameter(req, Integer.class, "owner").map(
                    ownerId -> ownerId >= 0 ? new User(ownerId) : null
            ).ifPresent(project::setOwner);

            dao.getProjectDao().saveOrUpdate(project);

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

        return ResponseType.HTML;
    }


    @RequestMapping(requestPath = "versions", method = HttpMethod.GET, menuKey = "menu.versions")
    public ResponseType versions(HttpServletRequest req, DataAccessObjects dao) {

        return ResponseType.HTML;
    }
}

mercurial