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   1 /*
   2  * SonarQube
   3  * Copyright (C) 2009-2017 SonarSource SA
   4  * mailto:info AT sonarsource DOT com
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 3 of the License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public License
  17  * along with this program; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  19  */
  20 package org.sonar.server.computation.task.projectanalysis.step;
  21
  22 import com.google.common.collect.ImmutableMap;
  23 import com.google.common.collect.ImmutableSet;
  24 import java.time.Instant;
  25 import java.time.temporal.ChronoUnit;
  26 import java.util.Date;
  27 import java.util.Map;
  28 import java.util.Optional;
  29 import java.util.Set;
  30 import java.util.function.Predicate;
  31 import org.sonar.api.issue.Issue;
  32 import org.sonar.api.utils.Duration;
  33 import org.sonar.core.issue.DefaultIssue;
  34 import org.sonar.core.util.CloseableIterator;
  35 import org.sonar.server.computation.task.projectanalysis.analysis.AnalysisMetadataHolder;
  36 import org.sonar.server.computation.task.projectanalysis.analysis.Branch;
  37 import org.sonar.server.computation.task.projectanalysis.component.Component;
  38 import org.sonar.server.computation.task.projectanalysis.component.CrawlerDepthLimit;
  39 import org.sonar.server.computation.task.projectanalysis.component.DepthTraversalTypeAwareCrawler;
  40 import org.sonar.server.computation.task.projectanalysis.component.TreeRootHolder;
  41 import org.sonar.server.computation.task.projectanalysis.component.TypeAwareVisitorAdapter;
  42 import org.sonar.server.computation.task.projectanalysis.issue.IssueCache;
  43 import org.sonar.server.computation.task.projectanalysis.issue.RuleRepository;
  44 import org.sonar.server.computation.task.step.ComputationStep;
  45 import org.sonar.server.issue.notification.IssueChangeNotification;
  46 import org.sonar.server.issue.notification.MyNewIssuesNotification;
  47 import org.sonar.server.issue.notification.NewIssuesNotification;
  48 import org.sonar.server.issue.notification.NewIssuesNotificationFactory;
  49 import org.sonar.server.issue.notification.NewIssuesStatistics;
  50 import org.sonar.server.notification.NotificationService;
  51
  52 import static org.sonar.server.computation.task.projectanalysis.component.ComponentVisitor.Order.POST_ORDER;
  53
  54 /**
  55  * Reads issues from disk cache and send related notifications. For performance reasons,
  56  * the standard notification DB queue is not used as a temporary storage. Notifications
  57  * are directly processed by {@link NotificationService}.
  58  */
  59 public class SendIssueNotificationsStep implements ComputationStep {
  60   /**
  61    * Types of the notifications sent by this step
  62    */
  63   static final Set<String> NOTIF_TYPES = ImmutableSet.of(IssueChangeNotification.TYPE, NewIssuesNotification.TYPE, MyNewIssuesNotification.MY_NEW_ISSUES_NOTIF_TYPE);
  64
  65   private final IssueCache issueCache;
  66   private final RuleRepository rules;
  67   private final TreeRootHolder treeRootHolder;
  68   private final NotificationService service;
  69   private final AnalysisMetadataHolder analysisMetadataHolder;
  70   private final NewIssuesNotificationFactory newIssuesNotificationFactory;
  71   private Map<String, Component> componentsByDbKey;
  72
  73   public SendIssueNotificationsStep(IssueCache issueCache, RuleRepository rules, TreeRootHolder treeRootHolder,
  74     NotificationService service, AnalysisMetadataHolder analysisMetadataHolder,
  75     NewIssuesNotificationFactory newIssuesNotificationFactory) {
  76     this.issueCache = issueCache;
  77     this.rules = rules;
  78     this.treeRootHolder = treeRootHolder;
  79     this.service = service;
  80     this.analysisMetadataHolder = analysisMetadataHolder;
  81     this.newIssuesNotificationFactory = newIssuesNotificationFactory;
  82   }
  83
  84   @Override
  85   public void execute() {
  86     Component project = treeRootHolder.getRoot();
  87     if (service.hasProjectSubscribersForTypes(project.getUuid(), NOTIF_TYPES)) {
  88       doExecute(project);
  89     }
  90   }
  91
  92   private void doExecute(Component project) {
  93     long analysisDate = analysisMetadataHolder.getAnalysisDate();
  94     Predicate<Issue> isOnLeakPredicate = i -> i.isNew() && i.creationDate().getTime() >= truncateToSeconds(analysisDate);
  95     NewIssuesStatistics newIssuesStats = new NewIssuesStatistics(isOnLeakPredicate);
  96     try (CloseableIterator<DefaultIssue> issues = issueCache.traverse()) {
  97       processIssues(newIssuesStats, issues, project);
  98     }
  99     if (newIssuesStats.hasIssuesOnLeak()) {
 100       sendNewIssuesNotification(newIssuesStats, project, analysisDate);
 101       sendNewIssuesNotificationToAssignees(newIssuesStats, project, analysisDate);
 102     }
 103   }
 104
 105   /**
 106    * Truncated the analysis date to seconds before comparing it to {@link Issue#creationDate()} is required because
 107    * {@link DefaultIssue#setCreationDate(Date)} does it.
 108    */
 109   private static long truncateToSeconds(long analysisDate) {
 110     Instant instant = new Date(analysisDate).toInstant();
 111     instant = instant.truncatedTo(ChronoUnit.SECONDS);
 112     return Date.from(instant).getTime();
 113   }
 114
 115   private void processIssues(NewIssuesStatistics newIssuesStats, CloseableIterator<DefaultIssue> issues, Component project) {
 116     while (issues.hasNext()) {
 117       DefaultIssue issue = issues.next();
 118       if (issue.isNew() && issue.resolution() == null) {
 119         newIssuesStats.add(issue);
 120       } else if (issue.isChanged() && issue.mustSendNotifications()) {
 121         sendIssueChangeNotification(issue, project);
 122       }
 123     }
 124   }
 125
 126   private void sendIssueChangeNotification(DefaultIssue issue, Component project) {
 127     IssueChangeNotification changeNotification = new IssueChangeNotification();
 128     changeNotification.setRuleName(rules.getByKey(issue.ruleKey()).getName());
 129     changeNotification.setIssue(issue);
 130     changeNotification.setProject(project.getPublicKey(), project.getName(), getBranchName(), project.getUuid());
 131     getComponentKey(issue).ifPresent(c -> changeNotification.setComponent(c.getPublicKey(), c.getName()));
 132     service.deliver(changeNotification);
 133   }
 134
 135   private void sendNewIssuesNotification(NewIssuesStatistics statistics, Component project, long analysisDate) {
 136     NewIssuesStatistics.Stats globalStatistics = statistics.globalStatistics();
 137     NewIssuesNotification notification = newIssuesNotificationFactory
 138       .newNewIssuesNotication()
 139       .setProject(project.getPublicKey(), project.getUuid(), project.getName(), getBranchName())
 140       .setAnalysisDate(new Date(analysisDate))
 141       .setStatistics(project.getName(), globalStatistics)
 142       .setDebt(Duration.create(globalStatistics.effort().getOnLeak()));
 143     service.deliver(notification);
 144   }
 145
 146   private void sendNewIssuesNotificationToAssignees(NewIssuesStatistics statistics, Component project, long analysisDate) {
 147     statistics.getAssigneesStatistics().entrySet()
 148       .stream()
 149       .filter(e -> e.getValue().hasIssuesOnLeak())
 150       .forEach(e -> {
 151         String assignee = e.getKey();
 152         NewIssuesStatistics.Stats assigneeStatistics = e.getValue();
 153         MyNewIssuesNotification myNewIssuesNotification = newIssuesNotificationFactory
 154           .newMyNewIssuesNotification()
 155           .setAssignee(assignee);
 156         myNewIssuesNotification
 157           .setProject(project.getPublicKey(), project.getUuid(), project.getName(), getBranchName())
 158           .setAnalysisDate(new Date(analysisDate))
 159           .setStatistics(project.getName(), assigneeStatistics)
 160           .setDebt(Duration.create(assigneeStatistics.effort().getOnLeak()));
 161
 162         service.deliver(myNewIssuesNotification);
 163       });
 164   }
 165
 166   private Optional<Component> getComponentKey(DefaultIssue issue) {
 167     if (componentsByDbKey == null) {
 168       final ImmutableMap.Builder<String, Component> builder = ImmutableMap.builder();
 169       new DepthTraversalTypeAwareCrawler(
 170         new TypeAwareVisitorAdapter(CrawlerDepthLimit.LEAVES, POST_ORDER) {
 171           @Override
 172           public void visitAny(Component component) {
 173             builder.put(component.getKey(), component);
 174           }
 175         }).visit(this.treeRootHolder.getRoot());
 176       this.componentsByDbKey = builder.build();
 177     }
 178     return Optional.ofNullable(componentsByDbKey.get(issue.componentKey()));
 179   }
 180
 181   @Override
 182   public String getDescription() {
 183     return "Send issue notifications";
 184   }
 185
 186   private String getBranchName() {
 187     return analysisMetadataHolder.getBranch().filter(b -> !b.isMain()).map(Branch::getName).orElse(null);
 188   }
 189
 190 }