universe@292: /*
universe@292:  * Copyright 2023 Mike Becker. All rights reserved.
universe@292:  *
universe@292:  * Redistribution and use in source and binary forms, with or without
universe@292:  * modification, are permitted provided that the following conditions are met:
universe@292:  *
universe@292:  * 1. Redistributions of source code must retain the above copyright
universe@292:  * notice, this list of conditions and the following disclaimer.
universe@292:  *
universe@292:  * 2. Redistributions in binary form must reproduce the above copyright
universe@292:  * notice, this list of conditions and the following disclaimer in the
universe@292:  * documentation and/or other materials provided with the distribution.
universe@292:  *
universe@292:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
universe@292:  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
universe@292:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
universe@292:  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
universe@292:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
universe@292:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
universe@292:  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
universe@292:  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
universe@292:  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
universe@292:  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
universe@292:  */
universe@292: 
universe@292: package de.uapcore.lightpit.viewmodel
universe@292: 
universe@292: import de.uapcore.lightpit.HttpRequest
universe@292: import de.uapcore.lightpit.OptionalPathInfo
universe@292: import de.uapcore.lightpit.dao.DataAccessObject
universe@292: import de.uapcore.lightpit.entities.Component
universe@292: import de.uapcore.lightpit.entities.Version
universe@292: 
universe@292: data class PathInfos(
universe@292:     val projectInfo: ProjectInfo,
universe@292:     val versionInfo: OptionalPathInfo<Version>,
universe@292:     val componentInfo: OptionalPathInfo<Component>
universe@292: ) {
universe@292:     val issuesHref by lazyOf("projects/${projectInfo.project.node}/issues/${versionInfo.node}/${componentInfo.node}/")
universe@292: }
universe@292: 
universe@292: private fun obtainProjectInfo(http: HttpRequest, dao: DataAccessObject): ProjectInfo? {
universe@292:     val pathParam = http.pathParams["project"] ?: return null
universe@292:     val project = dao.findProjectByNode(pathParam) ?: return null
universe@292: 
universe@292:     val versions: List<Version> = dao.listVersions(project)
universe@292:     val components: List<Component> = dao.listComponents(project)
universe@292: 
universe@292:     return ProjectInfo(
universe@292:         project,
universe@292:         versions,
universe@292:         components,
universe@292:         dao.collectIssueSummary(project)
universe@292:     )
universe@292: }
universe@292: 
universe@292: fun withPathInfo(http: HttpRequest, dao: DataAccessObject): PathInfos? {
universe@292:     val projectInfo = obtainProjectInfo(http, dao)
universe@292:     if (projectInfo == null) {
universe@292:         http.response.sendError(404)
universe@292:         return null
universe@292:     }
universe@292: 
universe@292:     val version = http.lookupPathParam("version", projectInfo.versions)
universe@292:     val component = http.lookupPathParam("component", projectInfo.components)
universe@292: 
universe@292:     if (version == OptionalPathInfo.NotFound || component == OptionalPathInfo.NotFound) {
universe@292:         http.response.sendError(404)
universe@292:         return null
universe@292:     }
universe@292: 
universe@292:     return PathInfos(projectInfo, version, component)
universe@292: }