java/jenkins_plugins/build_monitor/src/main/java/com/smartcodeltd/jenkinsci/plugins/buildmonitor/viewmodel/BuildView.java

package com.smartcodeltd.jenkinsci.plugins.buildmonitor.viewmodel;

import com.smartcodeltd.jenkinsci.plugins.buildmonitor.facade.RelativeLocation;
import com.smartcodeltd.jenkinsci.plugins.buildmonitor.viewmodel.plugins.BuildAugmentor;
import com.smartcodeltd.jenkinsci.plugins.buildmonitor.viewmodel.plugins.bfa.Analysis;
import com.smartcodeltd.jenkinsci.plugins.buildmonitor.viewmodel.plugins.claim.Claim;

import hudson.model.Result;
import hudson.model.AbstractBuild;
import hudson.model.Run;
import hudson.model.User;

import java.util.Date;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

public class BuildView implements BuildViewModel {

  private final Run<?, ?> build;
  private final RelativeLocation parentJobLocation;
  private final Date systemTime;
  private final BuildAugmentor augmentor;

  public static BuildView of(Run<?, ?> build) {
    return new BuildView(build, new BuildAugmentor(), RelativeLocation.of(build.getParent()),
        new Date());
  }

  public static BuildView of(Run<?, ?> build, BuildAugmentor augmentor, Date systemTime) {
    return new BuildView(build, augmentor, RelativeLocation.of(build.getParent()), systemTime);
  }

  public static BuildView of(Run<?, ?> build, BuildAugmentor augmentor,
      RelativeLocation parentJobLocation, Date systemTime) {
    return new BuildView(build, augmentor, parentJobLocation, systemTime);
  }


  @Override
  public String name() {
    return build.getDisplayName();
  }

  @Override
  public String url() {
    return parentJobLocation.url() + "/" + build.getNumber() + "/";
  }

  @Override
  public Result result() {
    return build.getResult();
  }

  @Override
  public boolean isRunning() {
    return isRunning(this.build);
  }

  private boolean isRunning(Run<?, ?> build) {
    return (build.hasntStartedYet() || build.isBuilding() || build.isLogUpdated());
  }

  @Override
  public Duration elapsedTime() {
    return new Duration(now() - whenTheBuildStarted());
  }

  @Override
  public Duration duration() {
    return new Duration(build.getDuration());
  }

  @Override
  public Duration estimatedDuration() {
    return new Duration(build.getEstimatedDuration());
  }

  @Override
  public int progress() {
    if (!isRunning()) {
      return 0;
    }

    if (isTakingLongerThanUsual()) {
      return 100;
    }

    long elapsedTime = now() - whenTheBuildStarted(),
    estimatedDuration = build.getEstimatedDuration();

    if (estimatedDuration > 0) {
      return (int) ((float) elapsedTime / (float) estimatedDuration * 100);
    }

    return 100;
  }

  private boolean isTakingLongerThanUsual() {
    return elapsedTime().greaterThan(estimatedDuration());
  }

  @Override
  public boolean hasPreviousBuild() {
    return null != build.getPreviousBuild();
  }

  @Override
  public BuildViewModel previousBuild() {
    return new BuildView(build.getPreviousBuild(), augmentor, this.parentJobLocation, systemTime);
  }

  @Override
  public Set<String> culprits() {
    Set<String> culprits = new HashSet<String>();

    if (build instanceof AbstractBuild<?, ?>) {
      AbstractBuild<?, ?> jenkinsBuild = (AbstractBuild<?, ?>) build;

      if (!(isRunning(jenkinsBuild))) {
        for (User culprit : jenkinsBuild.getCulprits()) {
          culprits.add(culprit.getFullName());
        }
      }
    }
    return culprits;
  }

  @Override
  public boolean isClaimed() {
    return claim().wasMade();
  }

  @Override
  public String claimant() {
    return claim().author();
  }

  @Override
  public String reasonForClaim() {
    return claim().reason();
  }

  private Claim claim() {
    return augmentor.detailsOf(build, Claim.class);
  }

  @Override
  public boolean hasKnownFailures() {
    return analysis().foundKnownFailures();
  }

  @Override
  public List<String> knownFailures() {
    return analysis().failures();
  }

  private Analysis analysis() {
    return augmentor.detailsOf(build, Analysis.class);
  }

  @Override
  public String toString() {
    return name();
  }


  private long now() {
    return systemTime.getTime();
  }

  private long whenTheBuildStarted() {
    return build.getTimestamp().getTimeInMillis();
  }


  private BuildView(Run<?, ?> build, BuildAugmentor augmentor, RelativeLocation parentJobLocation,
      Date systemTime) {
    this.build = build;
    this.augmentor = augmentor;
    this.parentJobLocation = parentJobLocation;
    this.systemTime = systemTime;
  }
}