package org.jenkinsci.plugins.ghprb.manager.impl.downstreambuilds;

import java.util.Iterator;
import java.util.logging.Level;
import java.util.logging.Logger;

import org.jenkinsci.plugins.ghprb.manager.impl.GhprbBaseBuildManager;
import org.jenkinsci.plugins.ghprb.manager.configuration.JobConfiguration;

import org.jgrapht.DirectedGraph;

import com.cloudbees.plugins.flow.FlowRun;
import com.cloudbees.plugins.flow.JobInvocation;

import hudson.model.AbstractBuild;
import hudson.tasks.test.AggregatedTestResultAction;

/**
 * @author mdelapenya (Manuel de la Peña)
 */
public class BuildFlowBuildManager extends GhprbBaseBuildManager {

	private static final Logger logger = Logger.getLogger(BuildFlowBuildManager.class.getName());

	public BuildFlowBuildManager(AbstractBuild build) {
		super(build);
	}

	public BuildFlowBuildManager(AbstractBuild build, JobConfiguration jobConfiguration) {
		super(build, jobConfiguration);
	}

	/**
	 * Calculate the build URL of a build of BuildFlow type, traversing its
	 * downstream builds graph
	 * 
	 * @return the build URL of a BuildFlow build, with all its downstream builds
	 */
	@Override
	public String calculateBuildUrl() {
		Iterator<JobInvocation> iterator = downstreamProjects();

		StringBuilder sb = new StringBuilder();

		while (iterator.hasNext()) {
			JobInvocation jobInvocation = iterator.next();

			sb.append("\n");
			sb.append("\t");
			sb.append(jobInvocation.getBuildUrl());
		}

		return sb.toString();
	}

	/**
	 * Return a downstream iterator of a build of default type. This will be overriden
	 * by specific build types.
	 * 
	 * @return the downstream builds as an iterator
	 */
	@Override
	public Iterator downstreamProjects() {
		FlowRun flowRun = (FlowRun) build;

		DirectedGraph directedGraph = flowRun.getJobsGraph();

		return directedGraph.vertexSet().iterator();
	}

	/**
	 * Return the tests results of a build of default type. This will be overriden
	 * by specific build types.
	 *
	 * @return the tests result of a build of default type
	 */
	@Override
	public String getTestResults() {
		Iterator<JobInvocation> iterator = downstreamProjects();

		StringBuilder sb = new StringBuilder();

		while (iterator.hasNext()) {
			JobInvocation jobInvocation = iterator.next();

			try {
				AbstractBuild build = (AbstractBuild)jobInvocation.getBuild();

				AggregatedTestResultAction testResultAction =
					build.getAction(AggregatedTestResultAction.class);

				if (testResultAction != null) {
					sb.append("\n");
					sb.append(jobInvocation.getBuildUrl());
					sb.append("\n");
					sb.append(getAggregatedTestResults(build));
				}
			} catch (Exception e) {
				logger.log(Level.SEVERE, "Job execution has failed", e);
			}
		}

		return sb.toString();
	}

}
@@ -1416,35 +1416,147 @@
 end(
-jobInvocation.getBuildUrl()
+%22%3Ca href='%22);%0A%09%09%09sb.append(jobInvocation.getBuildUrl());%0A%09%09%09sb.append(%22'%3E%22);%0A%09%09%09sb.append(jobInvocation.getBuildUrl());%0A%09%09%09sb.append(%22%3C/a%3E%22
 );%0A%09

Use an anchor to display downstream build url