Tue, 03 Aug 2021 14:08:08 +0200
minor code changes
1 /*
2 * Copyright 2021 Mike Becker. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 *
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 *
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
15 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
20 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
21 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
22 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
26 package de.uapcore.lightpit.servlet
28 import de.uapcore.lightpit.*
29 import de.uapcore.lightpit.dao.DataAccessObject
30 import de.uapcore.lightpit.entities.User
31 import de.uapcore.lightpit.viewmodel.UserEditView
32 import de.uapcore.lightpit.viewmodel.UsersView
33 import javax.servlet.annotation.WebServlet
35 @WebServlet(urlPatterns = ["/users/*"])
36 class UsersServlet : AbstractServlet(), LoggingTrait {
38 init {
39 get("/", this::index)
40 get("/-/create", this::create)
41 get("/%userid/edit", this::edit)
42 post("/-/commit", this::commit)
43 }
45 private val list = "users"
46 private val form = "user-form"
48 private fun index(http: HttpRequest, dao: DataAccessObject) {
49 with(http) {
50 view = UsersView(dao.listUsers())
51 render(list)
52 }
53 }
55 private fun create(http: HttpRequest, dao: DataAccessObject) {
56 with(http) {
57 view = UserEditView(User(-1))
58 render(form)
59 }
60 }
62 private fun edit(http: HttpRequest, dao: DataAccessObject) {
63 val id = http.pathParams["userid"]?.toIntOrNull()
64 if (id == null) {
65 http.response.sendError(404)
66 } else {
67 val user = dao.findUser(id)
68 if (user == null) {
69 http.response.sendError(404)
70 } else {
71 with(http) {
72 view = UserEditView(user)
73 render(form)
74 }
75 }
76 }
77 }
79 private fun commit(http: HttpRequest, dao: DataAccessObject) {
80 val id = http.param("userid")?.toIntOrNull()
81 if (id == null) {
82 http.response.sendError(400)
83 return
84 }
86 val user = User(id)
87 with(user) {
88 givenname = http.param("givenname")
89 lastname = http.param("lastname")
90 mail = http.param("mail")
91 }
93 if (user.id > 0) {
94 logger().info("Update user with id ${user.id}.")
95 dao.updateUser(user)
96 http.renderCommit("users/")
97 } else {
98 val errorMessages = mutableListOf<String>()
99 user.username = http.param("username", {
100 if (it == null) ValidationError("validation.username.null")
101 else if (dao.findUserByName(it) != null) ValidationError("validation.username.unique")
102 else ValidatedValue(it)
103 }, "", errorMessages)
105 if (errorMessages.isEmpty()) {
106 logger().info("Insert user ${user.username}.")
107 dao.insertUser(user)
108 http.renderCommit("users/")
109 } else {
110 http.view = UserEditView(user).apply { this.errorMessages = errorMessages }
111 http.render(form)
112 }
113 }
114 }
115 }