LightPIT: src/main/kotlin/de/uapcore/lightpit/servlet/UsersServlet.kt@c1be672af7ff

     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.AbstractServlet

    29 import de.uapcore.lightpit.HttpRequest

    30 import de.uapcore.lightpit.ValidatedValue

    31 import de.uapcore.lightpit.ValidationError

    32 import de.uapcore.lightpit.dao.DataAccessObject

    33 import de.uapcore.lightpit.entities.User

    34 import de.uapcore.lightpit.viewmodel.UserEditView

    35 import de.uapcore.lightpit.viewmodel.UserViewData

    36 import de.uapcore.lightpit.viewmodel.UsersView

    37 import jakarta.servlet.annotation.WebServlet

    39 @WebServlet(urlPatterns = ["/users/*"])

    40 class UsersServlet : AbstractServlet() {

    42     init {

    43         get("/", this::index)

    44         get("/-/create", this::create)

    45         get("/%userid/edit", this::edit)

    46         post("/-/commit", this::commit)

    47     }

    49     private val list = "users"

    50     private val form = "user-form"

    52     private fun index(http: HttpRequest, dao: DataAccessObject) {

    53         with(http) {

    54             view = UsersView(dao.listUsers().map {

    55                 UserViewData(it, dao.collectIssueSummary(it))

    56             })

    57             render(list)

    58         }

    59     }

    61     private fun create(http: HttpRequest, dao: DataAccessObject) {

    62         with(http) {

    63             view = UserEditView(User(-1))

    64             render(form)

    65         }

    66     }

    68     private fun edit(http: HttpRequest, dao: DataAccessObject) {

    69         val id = http.pathParams["userid"]?.toIntOrNull()

    70         if (id == null) {

    71             http.response.sendError(404)

    72         } else {

    73             val user = dao.findUser(id)

    74             if (user == null) {

    75                 http.response.sendError(404)

    76             } else {

    77                 with(http) {

    78                     view = UserEditView(user)

    79                     render(form)

    80                 }

    81             }

    82         }

    83     }

    85     private fun commit(http: HttpRequest, dao: DataAccessObject) {

    86         val id = http.param("userid")?.toIntOrNull()

    87         if (id == null) {

    88             http.response.sendError(400)

    89             return

    90         }

    92         val user = User(id)

    93         with(user) {

    94             givenname = http.param("givenname")

    95             lastname = http.param("lastname")

    96             mail = http.param("mail")

    97         }

    99         if (user.id > 0) {

   100             dao.updateUser(user)

   101             http.renderCommit("users/")

   102         } else {

   103             val errorMessages = mutableListOf<String>()

   104             user.username = http.param("username", {

   105                 if (it == null) ValidationError("validation.username.null")

   106                 else if (dao.findUserByName(it) != null) ValidationError("validation.username.unique")

   107                 else ValidatedValue(it)

   108             }, "", errorMessages)

   110             if (errorMessages.isEmpty()) {

   111                 dao.insertUser(user)

   112                 http.renderCommit("users/")

   113             } else {

   114                 http.view = UserEditView(user).apply { this.errorMessages = errorMessages }

   115                 http.render(form)

   116             }

   117         }

   118     }

   119 }

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