universe@184: /*
universe@184:  * Copyright 2021 Mike Becker. All rights reserved.
universe@184:  *
universe@184:  * Redistribution and use in source and binary forms, with or without
universe@184:  * modification, are permitted provided that the following conditions are met:
universe@184:  *
universe@184:  * 1. Redistributions of source code must retain the above copyright
universe@184:  * notice, this list of conditions and the following disclaimer.
universe@184:  *
universe@184:  * 2. Redistributions in binary form must reproduce the above copyright
universe@184:  * notice, this list of conditions and the following disclaimer in the
universe@184:  * documentation and/or other materials provided with the distribution.
universe@184:  *
universe@184:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
universe@184:  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
universe@184:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
universe@184:  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
universe@184:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
universe@184:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
universe@184:  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
universe@184:  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
universe@184:  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
universe@184:  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
universe@184:  */
universe@184: 
universe@184: package de.uapcore.lightpit.servlet
universe@184: 
universe@247: import de.uapcore.lightpit.AbstractServlet
universe@247: import de.uapcore.lightpit.HttpRequest
universe@247: import de.uapcore.lightpit.ValidatedValue
universe@247: import de.uapcore.lightpit.ValidationError
universe@184: import de.uapcore.lightpit.dao.DataAccessObject
universe@184: import de.uapcore.lightpit.entities.User
universe@184: import de.uapcore.lightpit.viewmodel.UserEditView
universe@184: import de.uapcore.lightpit.viewmodel.UsersView
universe@254: import jakarta.servlet.annotation.WebServlet
universe@184: 
universe@184: @WebServlet(urlPatterns = ["/users/*"])
universe@247: class UsersServlet : AbstractServlet() {
universe@184: 
universe@184:     init {
universe@184:         get("/", this::index)
universe@184:         get("/-/create", this::create)
universe@184:         get("/%userid/edit", this::edit)
universe@184:         post("/-/commit", this::commit)
universe@184:     }
universe@184: 
universe@184:     private val list = "users"
universe@184:     private val form = "user-form"
universe@184: 
universe@209:     private fun index(http: HttpRequest, dao: DataAccessObject) {
universe@184:         with(http) {
universe@184:             view = UsersView(dao.listUsers())
universe@184:             render(list)
universe@184:         }
universe@184:     }
universe@184: 
universe@209:     private fun create(http: HttpRequest, dao: DataAccessObject) {
universe@184:         with(http) {
universe@184:             view = UserEditView(User(-1))
universe@184:             render(form)
universe@184:         }
universe@184:     }
universe@184: 
universe@209:     private fun edit(http: HttpRequest, dao: DataAccessObject) {
universe@184:         val id = http.pathParams["userid"]?.toIntOrNull()
universe@184:         if (id == null) {
universe@184:             http.response.sendError(404)
universe@184:         } else {
universe@184:             val user = dao.findUser(id)
universe@184:             if (user == null) {
universe@184:                 http.response.sendError(404)
universe@184:             } else {
universe@184:                 with(http) {
universe@184:                     view = UserEditView(user)
universe@184:                     render(form)
universe@184:                 }
universe@184:             }
universe@184:         }
universe@184:     }
universe@184: 
universe@209:     private fun commit(http: HttpRequest, dao: DataAccessObject) {
universe@184:         val id = http.param("userid")?.toIntOrNull()
universe@184:         if (id == null) {
universe@184:             http.response.sendError(400)
universe@184:             return
universe@184:         }
universe@184: 
universe@184:         val user = User(id)
universe@184:         with(user) {
universe@184:             givenname = http.param("givenname")
universe@184:             lastname = http.param("lastname")
universe@184:             mail = http.param("mail")
universe@184:         }
universe@184: 
universe@209:         if (user.id > 0) {
universe@209:             dao.updateUser(user)
universe@209:             http.renderCommit("users/")
universe@209:         } else {
universe@209:             val errorMessages = mutableListOf<String>()
universe@210:             user.username = http.param("username", {
universe@209:                 if (it == null) ValidationError("validation.username.null")
universe@209:                 else if (dao.findUserByName(it) != null) ValidationError("validation.username.unique")
universe@209:                 else ValidatedValue(it)
universe@210:             }, "", errorMessages)
universe@209: 
universe@210:             if (errorMessages.isEmpty()) {
universe@209:                 dao.insertUser(user)
universe@209:                 http.renderCommit("users/")
universe@209:             } else {
universe@209:                 http.view = UserEditView(user).apply { this.errorMessages = errorMessages }
universe@209:                 http.render(form)
universe@184:             }
universe@184:         }
universe@184:     }
universe@184: }