Mon, 21 Dec 2020 18:29:34 +0100
major refactoring of DAO architecture - also fixes #114
1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright 2018 Mike Becker. All rights reserved.
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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28 */
29 package de.uapcore.lightpit.modules;
31 import de.uapcore.lightpit.AbstractLightPITServlet;
32 import de.uapcore.lightpit.Constants;
33 import de.uapcore.lightpit.HttpMethod;
34 import de.uapcore.lightpit.RequestMapping;
35 import de.uapcore.lightpit.dao.DataAccessObject;
36 import de.uapcore.lightpit.entities.User;
37 import de.uapcore.lightpit.viewmodel.UsersEditView;
38 import de.uapcore.lightpit.viewmodel.UsersView;
39 import org.slf4j.Logger;
40 import org.slf4j.LoggerFactory;
42 import javax.servlet.ServletException;
43 import javax.servlet.annotation.WebServlet;
44 import javax.servlet.http.HttpServletRequest;
45 import javax.servlet.http.HttpServletResponse;
46 import java.io.IOException;
47 import java.sql.SQLException;
48 import java.util.NoSuchElementException;
50 @WebServlet(
51 name = "UsersModule",
52 urlPatterns = "/teams/*"
53 )
54 public final class UsersModule extends AbstractLightPITServlet {
56 private static final Logger LOG = LoggerFactory.getLogger(UsersModule.class);
58 @Override
59 protected String getResourceBundleName() {
60 return "localization.users";
61 }
63 @RequestMapping(method = HttpMethod.GET)
64 public void index(HttpServletRequest req, HttpServletResponse resp, DataAccessObject dao) throws SQLException, ServletException, IOException {
65 final var viewModel = new UsersView();
66 viewModel.setUsers(dao.listUsers());
67 setViewModel(req, viewModel);
68 setContentPage(req, "users");
70 renderSite(req, resp);
71 }
73 @RequestMapping(requestPath = "edit", method = HttpMethod.GET)
74 public void edit(HttpServletRequest req, HttpServletResponse resp, DataAccessObject dao) throws SQLException, ServletException, IOException {
76 final var viewModel = new UsersEditView();
77 viewModel.setUser(findByParameter(req, Integer.class, "id", dao::findUser).orElse(new User(-1)));
79 setViewModel(req, viewModel);
80 setContentPage(req, "user-form");
82 renderSite(req, resp);
83 }
85 @RequestMapping(requestPath = "commit", method = HttpMethod.POST)
86 public void commit(HttpServletRequest req, HttpServletResponse resp, DataAccessObject dao) throws ServletException, IOException {
88 User user = new User(-1);
89 try {
90 user = new User(getParameter(req, Integer.class, "userid").orElseThrow());
91 user.setUsername(getParameter(req, String.class, "username").orElseThrow());
92 getParameter(req, String.class, "givenname").ifPresent(user::setGivenname);
93 getParameter(req, String.class, "lastname").ifPresent(user::setLastname);
94 getParameter(req, String.class, "mail").ifPresent(user::setMail);
96 if (user.getId() > 0) {
97 dao.updateUser(user);
98 } else {
99 dao.insertUser(user);
100 }
102 setRedirectLocation(req, "./teams/");
103 setContentPage(req, Constants.JSP_COMMIT_SUCCESSFUL);
105 LOG.debug("Successfully updated user {}", user.getUsername());
106 } catch (NoSuchElementException | IllegalArgumentException ex) {
107 final var viewModel = new UsersEditView();
108 viewModel.setUser(user);
109 // TODO: viewModel.setErrorText()
110 setViewModel(req, viewModel);
111 setContentPage(req, "user-form");
112 LOG.warn("Form validation failure: {}", ex.getMessage());
113 LOG.debug("Details:", ex);
114 }
116 renderSite(req, resp);
117 }
118 }