LightPIT: src/main/java/de/uapcore/lightpit/modules/ProjectsModule.java@602f75801644 (annotated)

src/main/java/de/uapcore/lightpit/modules/ProjectsModule.java@602f75801644 (annotated)

src/main/java/de/uapcore/lightpit/modules/ProjectsModule.java

Sat, 22 Aug 2020 18:17:06 +0200

author: Mike Becker <universe@uap-core.de>
date: Sat, 22 Aug 2020 18:17:06 +0200
changeset 97: 602f75801644
parent 96: b7b685f31e39
child 99: a369fb1b3aa2
permissions: -rw-r--r--

first part of navigation redesign

 /*
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
  *
  * Copyright 2018 Mike Becker. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *   1. Redistributions of source code must retain the above copyright
  *      notice, this list of conditions and the following disclaimer.
  *
  *   2. Redistributions in binary form must reproduce the above copyright
  *      notice, this list of conditions and the following disclaimer in the
  *      documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  *
  */
 package de.uapcore.lightpit.modules;
 import de.uapcore.lightpit.*;
 import de.uapcore.lightpit.dao.DataAccessObjects;
 import de.uapcore.lightpit.entities.*;
 import de.uapcore.lightpit.viewmodel.*;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import javax.servlet.annotation.WebServlet;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import javax.servlet.http.HttpSession;
 import java.io.IOException;
 import java.sql.Date;
 import java.sql.SQLException;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.NoSuchElementException;
 import java.util.Objects;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 import static de.uapcore.lightpit.Functions.fqn;
 @WebServlet(
         name = "ProjectsModule",
         urlPatterns = "/projects/*"
 )
 public final class ProjectsModule extends AbstractLightPITServlet {
     private static final Logger LOG = LoggerFactory.getLogger(ProjectsModule.class);
     public static final String SESSION_ATTR_SELECTED_PROJECT = fqn(ProjectsModule.class, "selected_project");
     public static final String SESSION_ATTR_SELECTED_ISSUE = fqn(ProjectsModule.class, "selected_issue");
     public static final String SESSION_ATTR_SELECTED_VERSION = fqn(ProjectsModule.class, "selected_version");
     // TODO: try to get rid of this shit
     private class SessionSelection {
         final HttpSession session;
         final HttpServletRequest req;
         final DataAccessObjects dao;
         Project project;
         Version version;
         Issue issue;
         SessionSelection(HttpServletRequest req, DataAccessObjects dao) {
             this.req = req;
             this.dao = dao;
             session = req.getSession();
         }
         void newProject() {
             project = null;
             version = null;
             issue = null;
             updateAttributes();
             project = new Project(-1);
             updateAttributes();
         }
         void newVersion() throws SQLException {
             project = (Project) session.getAttribute(SESSION_ATTR_SELECTED_PROJECT);
             syncProject();
             version = null;
             issue = null;
             updateAttributes();
             version = new Version(-1);
             version.setProject(project);
             updateAttributes();
         }
         void newIssue() throws SQLException {
             project = (Project) session.getAttribute(SESSION_ATTR_SELECTED_PROJECT);
             syncProject();
             version = null;
             issue = null;
             updateAttributes();
             issue = new Issue(-1);
             issue.setProject(project);
             updateAttributes();
         }
         void selectVersion(Version selectedVersion) throws SQLException {
             issue = null;
             version = selectedVersion;
             if (!version.getProject().equals(project)) {
                 project = dao.getProjectDao().find(version.getProject().getId());
             }
             // our object contains more details
             version.setProject(project);
             updateAttributes();
         }
         void selectIssue(Issue selectedIssue) throws SQLException {
             issue = selectedIssue;
             if (!issue.getProject().equals(project)) {
                 project = dao.getProjectDao().find(issue.getProject().getId());
             }
             // our object contains more details
             issue.setProject(project);
             if (!issue.getResolvedVersions().contains(version)
                     && !issue.getAffectedVersions().contains(version)) {
                 version = null;
             }
             updateAttributes();
         }
         void syncProject() throws SQLException {
             final var projectSelection = getParameter(req, Integer.class, "pid");
             if (projectSelection.isPresent()) {
                 final var selectedProject = dao.getProjectDao().find(projectSelection.get());
                 if (!Objects.equals(selectedProject, project)) {
                     // reset version and issue if project changed
                     version = null;
                     issue = null;
                 }
                 project = selectedProject;
             } else {
                 project = project == null ? null : dao.getProjectDao().find(project.getId());
             }
         }
         void syncVersion() throws SQLException {
             final var versionSelection = getParameter(req, Integer.class, "vid");
             if (versionSelection.isPresent()) {
                 if (versionSelection.get() < 0) {
                     version = null;
                 } else {
                     final var selectedVersion = dao.getVersionDao().find(versionSelection.get());
                     if (!Objects.equals(selectedVersion, version)) {
                         issue = null;
                     }
                     selectVersion(selectedVersion);
                 }
             } else {
                 version = version == null ? null : dao.getVersionDao().find(version.getId());
             }
         }
         void syncIssue() throws SQLException {
             final var issueSelection = getParameter(req, Integer.class, "issue");
             if (issueSelection.isPresent()) {
                 if (issueSelection.get() < 0) {
                     issue = null;
                 } else {
                     final var selectedIssue = dao.getIssueDao().find(issueSelection.get());
                     dao.getIssueDao().joinVersionInformation(selectedIssue);
                     selectIssue(selectedIssue);
                 }
             } else {
                 issue = issue == null ? null : dao.getIssueDao().find(issue.getId());
             }
         }
         void sync() throws SQLException {
             project = (Project) session.getAttribute(SESSION_ATTR_SELECTED_PROJECT);
             version = (Version) session.getAttribute(SESSION_ATTR_SELECTED_VERSION);
             issue = (Issue) session.getAttribute(SESSION_ATTR_SELECTED_ISSUE);
             syncProject();
             syncVersion();
             syncIssue();
             updateAttributes();
         }
         private void updateAttributes() {
             session.setAttribute(SESSION_ATTR_SELECTED_PROJECT, project);
             session.setAttribute(SESSION_ATTR_SELECTED_VERSION, version);
             session.setAttribute(SESSION_ATTR_SELECTED_ISSUE, issue);
         }
     }
     @Override
     protected String getResourceBundleName() {
         return "localization.projects";
     }
     private String queryParams(Project p, Version v, Issue i) {
         return String.format("pid=%d&vid=%d&issue=%d",
                 p == null ? -1 : p.getId(),
                 v == null ? -1 : v.getId(),
                 i == null ? -1 : i.getId()
         );
     }
     /**
      * Creates the navigation menu.
      *
      * @param projects  the list of projects
      * @param selection the currently selected objects
      * @param projInfo  info about the currently selected project or null
      * @return a dynamic navigation menu trying to display as many levels as possible
      */
     private List<MenuEntry> getNavMenu(List<Project> projects, SessionSelection selection, ProjectInfo projInfo) {
         final var navigation = new ArrayList<MenuEntry>();
         for (Project proj : projects) {
             final var projEntry = new MenuEntry(
                     proj.getName(),
                     "projects/view?pid=" + proj.getId()
             );
             navigation.add(projEntry);
             if (proj.equals(selection.project)) {
                 projEntry.setActive(true);
                 // ****************
                 // Versions Section
                 // ****************
                 {
                     final var entry = new MenuEntry(1,
                             new ResourceKey("localization.projects", "menu.versions"),
                             "projects/view?" + queryParams(proj, null, null)
                     );
                     navigation.add(entry);
                 }
                 final var level2 = new ArrayList<MenuEntry>();
                 {
                     final var entry = new MenuEntry(
                             new ResourceKey("localization.projects", "filter.all"),
                             "projects/view?" + queryParams(proj, null, null)
                     );
                     if (selection.version == null) entry.setActive(true);
                     level2.add(entry);
                 }
                 for (Version version : projInfo.getVersions()) {
                     final var entry = new MenuEntry(
                             version.getName(),
                             "projects/versions/view?" + queryParams(proj, version, null)
                     );
                     if (version.equals(selection.version)) entry.setActive(true);
                     level2.add(entry);
                 }
                 level2.forEach(e -> e.setLevel(2));
                 navigation.addAll(level2);
             }
         }
         return navigation;
     }
     @RequestMapping(method = HttpMethod.GET)
     public ResponseType index(HttpServletRequest req, DataAccessObjects dao) throws SQLException {
         final var sessionSelection = new SessionSelection(req, dao);
         sessionSelection.sync();
         final var projectDao = dao.getProjectDao();
         final var versionDao = dao.getVersionDao();
         final var projectList = projectDao.list();
         final var viewModel = new ProjectIndexView();
         for (var project : projectList) {
             final var info = new ProjectInfo(project);
             info.setVersions(versionDao.list(project));
             info.setIssueSummary(projectDao.getIssueSummary(project));
             viewModel.getProjects().add(info);
         }
         setViewModel(req, viewModel);
         setContentPage(req, "projects");
         setStylesheet(req, "projects");
         setNavigationMenu(req, getNavMenu(projectList, sessionSelection, currentProjectInfo(dao, sessionSelection.project)));
         return ResponseType.HTML;
     }
     private ProjectInfo currentProjectInfo(DataAccessObjects dao, Project project) throws SQLException {
         if (project == null) return null;
         final var projectDao = dao.getProjectDao();
         final var versionDao = dao.getVersionDao();
         final var info = new ProjectInfo(project);
         info.setVersions(versionDao.list(project));
         info.setIssueSummary(projectDao.getIssueSummary(project));
         return info;
     }
     private ProjectEditView configureEditForm(HttpServletRequest req, DataAccessObjects dao, SessionSelection selection) throws SQLException {
         final var viewModel = new ProjectEditView();
         viewModel.setProject(selection.project);
         viewModel.setUsers(dao.getUserDao().list());
         setNavigationMenu(req, getNavMenu(dao.getProjectDao().list(), selection, currentProjectInfo(dao, selection.project)));
         setViewModel(req, viewModel);
         setContentPage(req, "project-form");
         return viewModel;
     }
     @RequestMapping(requestPath = "edit", method = HttpMethod.GET)
     public ResponseType edit(HttpServletRequest req, DataAccessObjects dao) throws SQLException {
         final var selection = new SessionSelection(req, dao);
         if (getParameter(req, Integer.class, "pid").isEmpty()) {
             selection.newProject();
         } else {
             selection.sync();
         }
         configureEditForm(req, dao, selection);
         return ResponseType.HTML;
     }
     @RequestMapping(requestPath = "commit", method = HttpMethod.POST)
     public ResponseType commit(HttpServletRequest req, DataAccessObjects dao) throws SQLException {
         Project project = new Project(-1);
         try {
             project = new Project(getParameter(req, Integer.class, "id").orElseThrow());
             project.setName(getParameter(req, String.class, "name").orElseThrow());
             getParameter(req, String.class, "description").ifPresent(project::setDescription);
             getParameter(req, String.class, "repoUrl").ifPresent(project::setRepoUrl);
             getParameter(req, Integer.class, "owner").map(
                     ownerId -> ownerId >= 0 ? new User(ownerId) : null
             ).ifPresent(project::setOwner);
             dao.getProjectDao().saveOrUpdate(project);
             setRedirectLocation(req, "./projects/");
             setContentPage(req, Constants.JSP_COMMIT_SUCCESSFUL);
             LOG.debug("Successfully updated project {}", project.getName());
         } catch (NoSuchElementException | IllegalArgumentException | SQLException ex) {
             LOG.warn("Form validation failure: {}", ex.getMessage());
             LOG.debug("Details:", ex);
             final var selection = new SessionSelection(req, dao);
             selection.project = project;
             final var vm = configureEditForm(req, dao, selection);
             vm.setErrorText(ex.getMessage()); // TODO: error text
         }
         return ResponseType.HTML;
     }
     @RequestMapping(requestPath = "view", method = HttpMethod.GET)
     public ResponseType view(HttpServletRequest req, HttpServletResponse resp, DataAccessObjects dao) throws SQLException, IOException {
         final var selection = new SessionSelection(req, dao);
         selection.sync();
         if (selection.project == null) {
             resp.sendError(HttpServletResponse.SC_NOT_FOUND, "No project selected.");
             return ResponseType.NONE;
         }
         final var projectDao = dao.getProjectDao();
         final var versionDao = dao.getVersionDao();
         final var issueDao = dao.getIssueDao();
         final var viewModel = new ProjectView(selection.project);
         final var issues = issueDao.list(selection.project);
         for (var issue : issues) issueDao.joinVersionInformation(issue);
         viewModel.setIssues(issues);
         // TODO: fix duplicated selection of versions (projectInfo also contains these infos)
         viewModel.setVersions(versionDao.list(selection.project));
         viewModel.updateVersionInfo();
         setViewModel(req, viewModel);
         setNavigationMenu(req, getNavMenu(projectDao.list(), selection, currentProjectInfo(dao, selection.project)));
         setContentPage(req, "project-details");
         setStylesheet(req, "projects");
         return ResponseType.HTML;
     }
     @RequestMapping(requestPath = "versions/view", method = HttpMethod.GET)
     public ResponseType viewVersion(HttpServletRequest req, HttpServletResponse resp, DataAccessObjects dao) throws SQLException, IOException {
         final var selection = new SessionSelection(req, dao);
         selection.sync();
         if (selection.version == null) {
             resp.sendError(HttpServletResponse.SC_NOT_FOUND);
             return ResponseType.NONE;
         }
         final var projectDao = dao.getProjectDao();
         final var issueDao = dao.getIssueDao();
         final var viewModel = new VersionView(selection.version);
         final var issues = issueDao.list(selection.version);
         for (var issue : issues) issueDao.joinVersionInformation(issue);
         viewModel.setIssues(issues);
         setViewModel(req, viewModel);
         setNavigationMenu(req, getNavMenu(projectDao.list(), selection, currentProjectInfo(dao, selection.project)));
         setContentPage(req, "version");
         setStylesheet(req, "projects");
         return ResponseType.HTML;
     }
     private VersionEditView configureEditVersionForm(HttpServletRequest req, DataAccessObjects dao, SessionSelection selection) throws SQLException {
         final var viewModel = new VersionEditView(selection.version);
         if (selection.version.getProject() == null) {
             viewModel.setProjects(dao.getProjectDao().list());
         }
         setViewModel(req, viewModel);
         setContentPage(req, "version-form");
         setNavigationMenu(req, getNavMenu(dao.getProjectDao().list(), selection, currentProjectInfo(dao, selection.project)));
         return viewModel;
     }
     @RequestMapping(requestPath = "versions/edit", method = HttpMethod.GET)
     public ResponseType editVersion(HttpServletRequest req, DataAccessObjects dao) throws SQLException {
         final var selection = new SessionSelection(req, dao);
         if (getParameter(req, Integer.class, "vid").isEmpty()) {
             selection.newVersion();
         } else {
             selection.sync();
         }
         configureEditVersionForm(req, dao, selection);
         return ResponseType.HTML;
     }
     @RequestMapping(requestPath = "versions/commit", method = HttpMethod.POST)
     public ResponseType commitVersion(HttpServletRequest req, HttpServletResponse resp, DataAccessObjects dao) throws SQLException {
         var version = new Version(-1);
         try {
             version = new Version(getParameter(req, Integer.class, "id").orElseThrow());
             version.setProject(new Project(getParameter(req, Integer.class, "pid").orElseThrow()));
             version.setName(getParameter(req, String.class, "name").orElseThrow());
             getParameter(req, Integer.class, "ordinal").ifPresent(version::setOrdinal);
             version.setStatus(VersionStatus.valueOf(getParameter(req, String.class, "status").orElseThrow()));
             dao.getVersionDao().saveOrUpdate(version);
             // specifying the pid parameter will purposely reset the session selected version!
             setRedirectLocation(req, "./projects/view?pid=" + version.getProject().getId());
             setContentPage(req, Constants.JSP_COMMIT_SUCCESSFUL);
         } catch (NoSuchElementException | IllegalArgumentException | SQLException ex) {
             LOG.warn("Form validation failure: {}", ex.getMessage());
             LOG.debug("Details:", ex);
             final var selection = new SessionSelection(req, dao);
             selection.selectVersion(version);
             final var viewModel = configureEditVersionForm(req, dao, selection);
             // TODO: set Error Text
         }
         return ResponseType.HTML;
     }
     private IssueEditView configureEditIssueForm(HttpServletRequest req, DataAccessObjects dao, SessionSelection selection) throws SQLException {
         final var viewModel = new IssueEditView(selection.issue);
         if (selection.issue.getProject() == null) {
             viewModel.setProjects(dao.getProjectDao().list());
         } else {
             viewModel.setVersions(dao.getVersionDao().list(selection.issue.getProject()));
         }
         viewModel.setUsers(dao.getUserDao().list());
         setViewModel(req, viewModel);
         setContentPage(req, "issue-form");
         setNavigationMenu(req, getNavMenu(dao.getProjectDao().list(), selection, currentProjectInfo(dao, selection.project)));
         return viewModel;
     }
     @RequestMapping(requestPath = "issues/", method = HttpMethod.GET)
     public ResponseType issues(HttpServletRequest req, HttpServletResponse resp, DataAccessObjects dao) throws SQLException, IOException {
         final var selection = new SessionSelection(req, dao);
         selection.sync();
         if (selection.project == null) {
             resp.sendError(HttpServletResponse.SC_NOT_FOUND, "No project selected.");
             return ResponseType.NONE;
         }
         final var projectDao = dao.getProjectDao();
         final var issueDao = dao.getIssueDao();
         final var viewModel = new IssuesView();
         viewModel.setProject(selection.project);
         if (selection.version == null) {
             viewModel.setIssues(issueDao.list(selection.project));
         } else {
             viewModel.setVersion(selection.version);
             viewModel.setIssues(issueDao.list(selection.version));
         }
         setViewModel(req, viewModel);
         setNavigationMenu(req, getNavMenu(projectDao.list(), selection, currentProjectInfo(dao, selection.project)));
         setContentPage(req, "issues");
         setStylesheet(req, "projects");
         return ResponseType.HTML;
     }
     @RequestMapping(requestPath = "issues/edit", method = HttpMethod.GET)
     public ResponseType editIssue(HttpServletRequest req, HttpServletResponse resp, DataAccessObjects dao) throws SQLException {
         final var selection = new SessionSelection(req, dao);
         if (getParameter(req, Integer.class, "issue").isEmpty()) {
             selection.newIssue();
         } else {
             selection.sync();
         }
         configureEditIssueForm(req, dao, selection);
         return ResponseType.HTML;
     }
     @RequestMapping(requestPath = "issues/commit", method = HttpMethod.POST)
     public ResponseType commitIssue(HttpServletRequest req, HttpServletResponse resp, DataAccessObjects dao) throws SQLException {
         Issue issue = new Issue(-1);
         try {
             issue = new Issue(getParameter(req, Integer.class, "id").orElseThrow());
             issue.setProject(new Project(getParameter(req, Integer.class, "pid").orElseThrow()));
             getParameter(req, String.class, "category").map(IssueCategory::valueOf).ifPresent(issue::setCategory);
             getParameter(req, String.class, "status").map(IssueStatus::valueOf).ifPresent(issue::setStatus);
             issue.setSubject(getParameter(req, String.class, "subject").orElseThrow());
             getParameter(req, Integer.class, "assignee").map(
                     userid -> userid >= 0 ? new User(userid) : null
             ).ifPresent(issue::setAssignee);
             getParameter(req, String.class, "description").ifPresent(issue::setDescription);
             getParameter(req, Date.class, "eta").ifPresent(issue::setEta);
             getParameter(req, Integer[].class, "affected")
                     .map(Stream::of)
                     .map(stream ->
                             stream.map(Version::new).collect(Collectors.toList())
                     ).ifPresent(issue::setAffectedVersions);
             getParameter(req, Integer[].class, "resolved")
                     .map(Stream::of)
                     .map(stream ->
                             stream.map(Version::new).collect(Collectors.toList())
                     ).ifPresent(issue::setResolvedVersions);
             dao.getIssueDao().saveOrUpdate(issue);
             // specifying the issue parameter keeps the edited issue as menu item
             setRedirectLocation(req, "./projects/issues/?issue=" + issue.getId());
             setContentPage(req, Constants.JSP_COMMIT_SUCCESSFUL);
         } catch (NoSuchElementException | IllegalArgumentException | SQLException ex) {
             // TODO: set request attribute with error text
             LOG.warn("Form validation failure: {}", ex.getMessage());
             LOG.debug("Details:", ex);
             final var selection = new SessionSelection(req, dao);
             selection.selectIssue(issue);
             final var viewModel = configureEditIssueForm(req, dao, selection);
             // TODO: set Error Text
         }
         return ResponseType.HTML;
     }
 }

Mercurial > hg > LightPIT / annotate

src/main/java/de/uapcore/lightpit/modules/ProjectsModule.java@602f75801644 (annotated)

src/main/java/de/uapcore/lightpit/modules/ProjectsModule.java