universe@41: /*
universe@41:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
universe@41:  *
universe@41:  * Copyright 2018 Mike Becker. All rights reserved.
universe@41:  *
universe@41:  * Redistribution and use in source and binary forms, with or without
universe@41:  * modification, are permitted provided that the following conditions are met:
universe@41:  *
universe@41:  *   1. Redistributions of source code must retain the above copyright
universe@41:  *      notice, this list of conditions and the following disclaimer.
universe@41:  *
universe@41:  *   2. Redistributions in binary form must reproduce the above copyright
universe@41:  *      notice, this list of conditions and the following disclaimer in the
universe@41:  *      documentation and/or other materials provided with the distribution.
universe@41:  *
universe@41:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
universe@41:  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
universe@41:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
universe@41:  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
universe@41:  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
universe@41:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
universe@41:  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
universe@41:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
universe@41:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
universe@41:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
universe@41:  * POSSIBILITY OF SUCH DAMAGE.
universe@41:  *
universe@41:  */
universe@41: package de.uapcore.lightpit.modules;
universe@41: 
universe@41: 
universe@41: import de.uapcore.lightpit.*;
universe@41: import de.uapcore.lightpit.dao.DataAccessObjects;
universe@64: import de.uapcore.lightpit.entities.*;
universe@86: import de.uapcore.lightpit.viewmodel.*;
universe@59: import org.slf4j.Logger;
universe@59: import org.slf4j.LoggerFactory;
universe@41: 
universe@41: import javax.servlet.annotation.WebServlet;
universe@41: import javax.servlet.http.HttpServletRequest;
universe@59: import javax.servlet.http.HttpServletResponse;
universe@59: import java.io.IOException;
universe@75: import java.sql.Date;
universe@47: import java.sql.SQLException;
universe@86: import java.util.ArrayList;
universe@86: import java.util.NoSuchElementException;
universe@99: import java.util.Optional;
universe@83: import java.util.stream.Collectors;
universe@83: import java.util.stream.Stream;
universe@41: 
universe@52: import static de.uapcore.lightpit.Functions.fqn;
universe@52: 
universe@41: @WebServlet(
universe@41:         name = "ProjectsModule",
universe@41:         urlPatterns = "/projects/*"
universe@41: )
universe@41: public final class ProjectsModule extends AbstractLightPITServlet {
universe@41: 
universe@59:     private static final Logger LOG = LoggerFactory.getLogger(ProjectsModule.class);
universe@59: 
universe@99:     private static final String SESSION_ATTR_SELECTED_PROJECT = fqn(ProjectsModule.class, "selected_project");
universe@99:     private static final String SESSION_ATTR_SELECTED_VERSION = fqn(ProjectsModule.class, "selected_version");
universe@99:     private static final String PARAMETER_SELECTED_PROJECT = "pid";
universe@99:     private static final String PARAMETER_SELECTED_VERSION = "vid";
universe@71: 
universe@78:     @Override
universe@78:     protected String getResourceBundleName() {
universe@78:         return "localization.projects";
universe@78:     }
universe@71: 
universe@99:     private String queryParams(Project p, Version v) {
universe@99:         return String.format("pid=%d&vid=%d",
universe@97:                 p == null ? -1 : p.getId(),
universe@99:                 v == null ? -1 : v.getId()
universe@97:         );
universe@97:     }
universe@80: 
universe@71:     /**
universe@96:      * Creates the navigation menu.
universe@71:      *
universe@99:      * @param req the servlet request
universe@99:      * @param viewModel the current view model
universe@71:      */
universe@99:     private void setNavigationMenu(HttpServletRequest req, ProjectView viewModel) {
universe@99:         final Project selectedProject = Optional.ofNullable(viewModel.getProjectInfo()).map(ProjectInfo::getProject).orElse(null);
universe@99: 
universe@97:         final var navigation = new ArrayList<MenuEntry>();
universe@71: 
universe@99:         for (ProjectInfo plistInfo : viewModel.getProjectList()) {
universe@99:             final var proj = plistInfo.getProject();
universe@97:             final var projEntry = new MenuEntry(
universe@97:                     proj.getName(),
universe@99:                     "projects/view?" + queryParams(proj, null)
universe@97:             );
universe@97:             navigation.add(projEntry);
universe@99:             if (proj.equals(selectedProject)) {
universe@99:                 final var projInfo = viewModel.getProjectInfo();
universe@97:                 projEntry.setActive(true);
universe@71: 
universe@97:                 // ****************
universe@97:                 // Versions Section
universe@97:                 // ****************
universe@97:                 {
universe@97:                     final var entry = new MenuEntry(1,
universe@99:                             new ResourceKey(getResourceBundleName(), "menu.versions"),
universe@99:                             "projects/view?" + queryParams(proj, null)
universe@97:                     );
universe@97:                     navigation.add(entry);
universe@97:                 }
universe@97: 
universe@97:                 final var level2 = new ArrayList<MenuEntry>();
universe@97:                 {
universe@97:                     final var entry = new MenuEntry(
universe@105:                             new ResourceKey(getResourceBundleName(), "filter.none"),
universe@99:                             "projects/view?" + queryParams(proj, null)
universe@97:                     );
universe@99:                     if (viewModel.getVersionFilter() == null) entry.setActive(true);
universe@97:                     level2.add(entry);
universe@97:                 }
universe@97: 
universe@97:                 for (Version version : projInfo.getVersions()) {
universe@97:                     final var entry = new MenuEntry(
universe@97:                             version.getName(),
universe@99:                             "projects/view?" + queryParams(proj, version)
universe@97:                     );
universe@99:                     if (version.equals(viewModel.getVersionFilter())) entry.setActive(true);
universe@97:                     level2.add(entry);
universe@97:                 }
universe@97: 
universe@97:                 level2.forEach(e -> e.setLevel(2));
universe@97:                 navigation.addAll(level2);
universe@75:             }
universe@75:         }
universe@75: 
universe@99:         setNavigationMenu(req, navigation);
universe@99:     }
universe@99: 
universe@99:     private int syncParamWithSession(HttpServletRequest req, String param, String attr) {
universe@99:         final var session = req.getSession();
universe@99:         final var idParam = getParameter(req, Integer.class, param);
universe@99:         final int id;
universe@99:         if (idParam.isPresent()) {
universe@99:             id = idParam.get();
universe@99:             session.setAttribute(attr, id);
universe@99:         } else {
universe@99:             id = Optional.ofNullable(session.getAttribute(attr)).map(x->(Integer)x).orElse(-1);
universe@99:         }
universe@99:         return id;
universe@99:     }
universe@99: 
universe@99:     private void populate(ProjectView viewModel, HttpServletRequest req, DataAccessObjects dao) throws SQLException {
universe@99:         final var projectDao = dao.getProjectDao();
universe@99:         final var versionDao = dao.getVersionDao();
universe@99: 
universe@99:         projectDao.list().stream().map(ProjectInfo::new).forEach(viewModel.getProjectList()::add);
universe@99: 
universe@99:         // Select Project
universe@99:         final int pid = syncParamWithSession(req, PARAMETER_SELECTED_PROJECT, SESSION_ATTR_SELECTED_PROJECT);
universe@99:         if (pid >= 0) {
universe@99:             final var project = projectDao.find(pid);
universe@99:             final var info = new ProjectInfo(project);
universe@99:             info.setVersions(versionDao.list(project));
universe@99:             info.setIssueSummary(projectDao.getIssueSummary(project));
universe@99:             viewModel.setProjectInfo(info);
universe@99:         }
universe@99: 
universe@99:         // Select Version
universe@99:         final int vid = syncParamWithSession(req, PARAMETER_SELECTED_VERSION, SESSION_ATTR_SELECTED_VERSION);
universe@99:         if (vid >= 0) {
universe@99:             viewModel.setVersionFilter(versionDao.find(vid));
universe@99:         }
universe@99:     }
universe@99: 
universe@99:     private ResponseType forwardView(HttpServletRequest req, ProjectView viewModel, String name) {
universe@99:         setViewModel(req, viewModel);
universe@99:         setContentPage(req, name);
universe@99:         setStylesheet(req, "projects");
universe@99:         setNavigationMenu(req, viewModel);
universe@99:         return ResponseType.HTML;
universe@64:     }
universe@64: 
universe@61:     @RequestMapping(method = HttpMethod.GET)
universe@47:     public ResponseType index(HttpServletRequest req, DataAccessObjects dao) throws SQLException {
universe@99:         final var viewModel = new ProjectView();
universe@99:         populate(viewModel, req, dao);
universe@86: 
universe@86:         final var projectDao = dao.getProjectDao();
universe@86:         final var versionDao = dao.getVersionDao();
universe@86: 
universe@99:         for (var info : viewModel.getProjectList()) {
universe@99:             info.setVersions(versionDao.list(info.getProject()));
universe@99:             info.setIssueSummary(projectDao.getIssueSummary(info.getProject()));
universe@86:         }
universe@86: 
universe@99:         return forwardView(req, viewModel, "projects");
universe@45:     }
universe@45: 
universe@99:     private void configure(ProjectEditView viewModel, Project project, DataAccessObjects dao) throws SQLException {
universe@99:         viewModel.setProject(project);
universe@86:         viewModel.setUsers(dao.getUserDao().list());
universe@71:     }
universe@71: 
universe@47:     @RequestMapping(requestPath = "edit", method = HttpMethod.GET)
universe@51:     public ResponseType edit(HttpServletRequest req, DataAccessObjects dao) throws SQLException {
universe@99:         final var viewModel = new ProjectEditView();
universe@99:         populate(viewModel, req, dao);
universe@47: 
universe@99:         final var project = Optional.ofNullable(viewModel.getProjectInfo())
universe@99:                 .map(ProjectInfo::getProject)
universe@99:                 .orElse(new Project(-1));
universe@99:         configure(viewModel, project, dao);
universe@47: 
universe@99:         return forwardView(req, viewModel, "project-form");
universe@47:     }
universe@47: 
universe@47:     @RequestMapping(requestPath = "commit", method = HttpMethod.POST)
universe@68:     public ResponseType commit(HttpServletRequest req, DataAccessObjects dao) throws SQLException {
universe@47: 
universe@75:         Project project = new Project(-1);
universe@47:         try {
universe@99:             project = new Project(getParameter(req, Integer.class, "pid").orElseThrow());
universe@47:             project.setName(getParameter(req, String.class, "name").orElseThrow());
universe@47:             getParameter(req, String.class, "description").ifPresent(project::setDescription);
universe@47:             getParameter(req, String.class, "repoUrl").ifPresent(project::setRepoUrl);
universe@47:             getParameter(req, Integer.class, "owner").map(
universe@47:                     ownerId -> ownerId >= 0 ? new User(ownerId) : null
universe@47:             ).ifPresent(project::setOwner);
universe@47: 
universe@47:             dao.getProjectDao().saveOrUpdate(project);
universe@47: 
universe@99:             setRedirectLocation(req, "./projects/view?pid="+project.getId());
universe@74:             setContentPage(req, Constants.JSP_COMMIT_SUCCESSFUL);
universe@59:             LOG.debug("Successfully updated project {}", project.getName());
universe@99: 
universe@99:             return ResponseType.HTML;
universe@75:         } catch (NoSuchElementException | IllegalArgumentException | SQLException ex) {
universe@59:             LOG.warn("Form validation failure: {}", ex.getMessage());
universe@59:             LOG.debug("Details:", ex);
universe@99:             final var viewModel = new ProjectEditView();
universe@99:             populate(viewModel, req, dao);
universe@99:             configure(viewModel, project, dao);
universe@99:             // TODO: error text
universe@99:             return forwardView(req, viewModel, "project-form");
universe@47:         }
universe@47:     }
universe@47: 
universe@70:     @RequestMapping(requestPath = "view", method = HttpMethod.GET)
universe@80:     public ResponseType view(HttpServletRequest req, HttpServletResponse resp, DataAccessObjects dao) throws SQLException, IOException {
universe@99:         final var viewModel = new ProjectDetailsView();
universe@99:         populate(viewModel, req, dao);
universe@86: 
universe@99:         if (viewModel.getProjectInfo() == null) {
universe@80:             resp.sendError(HttpServletResponse.SC_NOT_FOUND, "No project selected.");
universe@80:             return ResponseType.NONE;
universe@80:         }
universe@47: 
universe@86:         final var issueDao = dao.getIssueDao();
universe@70: 
universe@105:         final var version = viewModel.getVersionFilter();
universe@99: 
universe@99:         final var detailView = viewModel.getProjectDetails();
universe@105:         final var issues = issueDao.list(version);
universe@100:         for (var issue : issues) issueDao.joinVersionInformation(issue);
universe@105:         detailView.updateDetails(issues, version);
universe@80: 
universe@99:         return forwardView(req, viewModel, "project-details");
universe@71:     }
universe@71: 
universe@59:     @RequestMapping(requestPath = "versions/edit", method = HttpMethod.GET)
universe@86:     public ResponseType editVersion(HttpServletRequest req, DataAccessObjects dao) throws SQLException {
universe@99:         final var viewModel = new VersionEditView();
universe@99:         populate(viewModel, req, dao);
universe@99: 
universe@99:         if (viewModel.getVersionFilter() == null) {
universe@99:             viewModel.setVersion(new Version(-1));
universe@86:         } else {
universe@99:             viewModel.setVersion(viewModel.getVersionFilter());
universe@86:         }
universe@59: 
universe@99:         return forwardView(req, viewModel, "version-form");
universe@59:     }
universe@59: 
universe@59:     @RequestMapping(requestPath = "versions/commit", method = HttpMethod.POST)
universe@80:     public ResponseType commitVersion(HttpServletRequest req, HttpServletResponse resp, DataAccessObjects dao) throws SQLException {
universe@59: 
universe@86:         var version = new Version(-1);
universe@59:         try {
universe@86:             version = new Version(getParameter(req, Integer.class, "id").orElseThrow());
universe@86:             version.setProject(new Project(getParameter(req, Integer.class, "pid").orElseThrow()));
universe@59:             version.setName(getParameter(req, String.class, "name").orElseThrow());
universe@59:             getParameter(req, Integer.class, "ordinal").ifPresent(version::setOrdinal);
universe@59:             version.setStatus(VersionStatus.valueOf(getParameter(req, String.class, "status").orElseThrow()));
universe@59:             dao.getVersionDao().saveOrUpdate(version);
universe@59: 
universe@75:             // specifying the pid parameter will purposely reset the session selected version!
universe@96:             setRedirectLocation(req, "./projects/view?pid=" + version.getProject().getId());
universe@74:             setContentPage(req, Constants.JSP_COMMIT_SUCCESSFUL);
universe@75:         } catch (NoSuchElementException | IllegalArgumentException | SQLException ex) {
universe@59:             LOG.warn("Form validation failure: {}", ex.getMessage());
universe@59:             LOG.debug("Details:", ex);
universe@99:             final var viewModel = new VersionEditView();
universe@99:             populate(viewModel, req, dao);
universe@99:             viewModel.setVersion(version);
universe@86:             // TODO: set Error Text
universe@99:             return forwardView(req, viewModel, "version-form");
universe@59:         }
universe@41: 
universe@43:         return ResponseType.HTML;
universe@41:     }
universe@64: 
universe@99:     private void configure(IssueEditView viewModel, Issue issue, DataAccessObjects dao) throws SQLException {
universe@99:         issue.setProject(viewModel.getProjectInfo().getProject());
universe@99:         viewModel.setIssue(issue);
universe@99:         viewModel.configureVersionSelectors(viewModel.getProjectInfo().getVersions());
universe@86:         viewModel.setUsers(dao.getUserDao().list());
universe@71:     }
universe@71: 
universe@64:     @RequestMapping(requestPath = "issues/edit", method = HttpMethod.GET)
universe@80:     public ResponseType editIssue(HttpServletRequest req, HttpServletResponse resp, DataAccessObjects dao) throws SQLException {
universe@99:         final var viewModel = new IssueEditView();
universe@99: 
universe@99:         final var issueParam = getParameter(req, Integer.class, "issue");
universe@99:         if (issueParam.isPresent()) {
universe@104:             final var issueDao = dao.getIssueDao();
universe@104:             final var issue = issueDao.find(issueParam.get());
universe@104:             issueDao.joinVersionInformation(issue);
universe@99:             req.getSession().setAttribute(SESSION_ATTR_SELECTED_PROJECT, issue.getProject().getId());
universe@99:             populate(viewModel, req, dao);
universe@99:             configure(viewModel, issue, dao);
universe@86:         } else {
universe@99:             populate(viewModel, req, dao);
universe@99:             configure(viewModel, new Issue(-1), dao);
universe@86:         }
universe@64: 
universe@99:         return forwardView(req, viewModel, "issue-form");
universe@64:     }
universe@64: 
universe@64:     @RequestMapping(requestPath = "issues/commit", method = HttpMethod.POST)
universe@80:     public ResponseType commitIssue(HttpServletRequest req, HttpServletResponse resp, DataAccessObjects dao) throws SQLException {
universe@86:         Issue issue = new Issue(-1);
universe@64:         try {
universe@86:             issue = new Issue(getParameter(req, Integer.class, "id").orElseThrow());
universe@86:             issue.setProject(new Project(getParameter(req, Integer.class, "pid").orElseThrow()));
universe@75:             getParameter(req, String.class, "category").map(IssueCategory::valueOf).ifPresent(issue::setCategory);
universe@75:             getParameter(req, String.class, "status").map(IssueStatus::valueOf).ifPresent(issue::setStatus);
universe@75:             issue.setSubject(getParameter(req, String.class, "subject").orElseThrow());
universe@75:             getParameter(req, Integer.class, "assignee").map(
universe@75:                     userid -> userid >= 0 ? new User(userid) : null
universe@75:             ).ifPresent(issue::setAssignee);
universe@75:             getParameter(req, String.class, "description").ifPresent(issue::setDescription);
universe@75:             getParameter(req, Date.class, "eta").ifPresent(issue::setEta);
universe@83: 
universe@83:             getParameter(req, Integer[].class, "affected")
universe@83:                     .map(Stream::of)
universe@83:                     .map(stream ->
universe@96:                             stream.map(Version::new).collect(Collectors.toList())
universe@83:                     ).ifPresent(issue::setAffectedVersions);
universe@83:             getParameter(req, Integer[].class, "resolved")
universe@83:                     .map(Stream::of)
universe@83:                     .map(stream ->
universe@86:                             stream.map(Version::new).collect(Collectors.toList())
universe@83:                     ).ifPresent(issue::setResolvedVersions);
universe@83: 
universe@64:             dao.getIssueDao().saveOrUpdate(issue);
universe@64: 
universe@96:             // specifying the issue parameter keeps the edited issue as menu item
universe@102:             setRedirectLocation(req, "./projects/view?pid=" + issue.getProject().getId());
universe@74:             setContentPage(req, Constants.JSP_COMMIT_SUCCESSFUL);
universe@75:         } catch (NoSuchElementException | IllegalArgumentException | SQLException ex) {
universe@64:             // TODO: set request attribute with error text
universe@64:             LOG.warn("Form validation failure: {}", ex.getMessage());
universe@64:             LOG.debug("Details:", ex);
universe@99:             final var viewModel = new IssueEditView();
universe@99:             configure(viewModel, issue, dao);
universe@86:             // TODO: set Error Text
universe@99:             return forwardView(req, viewModel, "issue-form");
universe@64:         }
universe@64: 
universe@64:         return ResponseType.HTML;
universe@64:     }
universe@41: }