rework of report build history creation

src/main/java/io/jenkins/plugins/reporter/JobAction.java

@@ -1,23 +1,20 @@
 package io.jenkins.plugins.reporter;
 
-import edu.hm.hafner.echarts.*;
+import edu.hm.hafner.echarts.BuildResult;
+import edu.hm.hafner.echarts.ChartModelConfiguration;
+import edu.hm.hafner.echarts.JacksonFacade;
 import hudson.model.Action;
 import hudson.model.Job;
-import hudson.util.RunList;
+import hudson.model.Run;
 import io.jenkins.plugins.echarts.AsyncConfigurableTrendChart;
-import io.jenkins.plugins.echarts.AsyncConfigurableTrendJobAction;
 import io.jenkins.plugins.reporter.charts.ItemHistoryChart;
-import io.jenkins.plugins.reporter.model.ItemSeriesBuilder;
-import io.jenkins.plugins.reporter.model.Report;
-import io.jenkins.plugins.reporter.model.ReportSeriesBuilder;
+import io.jenkins.plugins.reporter.model.*;
+import io.jenkins.plugins.reporter.util.BuildResultNavigator;
+import org.apache.commons.lang3.StringUtils;
 import org.kohsuke.stapler.bind.JavaScriptMethod;
 
 import java.io.UnsupportedEncodingException;
 import java.net.URLEncoder;
-import java.util.List;
-import java.util.Objects;
-import java.util.Optional;
-import java.util.stream.Collectors;
 
 public class JobAction implements AsyncConfigurableTrendChart, Action {
 
@@ -57,14 +54,33 @@ public String getDisplayName() {
 
     @Override
     public String getUrlName() {
-        // TODO: get the last build with action instead returning the last build. Need rework of createHistory().
         try {
-            return getOwner().getLastBuild().getNumber() + "/report-" + URLEncoder.encode(name, "UTF-8");
+            History history = createBuildHistory();
+            for (BuildResult<ReportResult> buildResult : history) {
+                return buildResult.getBuild().getNumber() + "/report-" + URLEncoder.encode(name, "UTF-8");
+            }
         } catch (UnsupportedEncodingException e) {
             return String.valueOf(getOwner().getLastBuild().getNumber());
         }
-    }
 
+        return String.valueOf(getOwner().getLastBuild().getNumber());
+    }
+
+    /**
+     * Returns the build history for this job.
+     *
+     * @return the history
+     */
+    public History createBuildHistory() {
+        Run<?, ?> lastCompletedBuild = owner.getLastCompletedBuild();
+        if (lastCompletedBuild == null) {
+            return new NullReportHistory();
+        }
+        else {
+            return new ReportHistory(lastCompletedBuild, new ByIdResultSelector(report.getId()));
+        }
+    }
+
     public Report getReport() {
         return report;
     }
@@ -83,27 +99,13 @@ public Report getReport() {
     @JavaScriptMethod
     public String getConfigurableBuildTrendModel(String configuration) {
         ChartModelConfiguration modelConfiguration = ChartModelConfiguration.fromJson(configuration);
-
-        RunList<?> runs = getOwner().getBuilds();
-
-        List<ReportAction> reports = runs.stream()
-                .map(run -> Optional.of(run.getActions(ReportAction.class)))
-                .map(Optional::get)
-                .flatMap(List::stream)
-                .filter(reportAction -> Objects.equals(reportAction.getResult().getReport().getId(), report.getId()))
-                .collect(Collectors.toList());
-
-        List<BuildResult<ReportAction>> history = reports.stream()
-                .map(reportAction -> new BuildResult<>(new Build(reportAction.getOwner().getNumber(),
-                        reportAction.getOwner().getDisplayName(), 0), reportAction))
-                .collect(Collectors.toList());
-
-        return new JacksonFacade().toJson(new ItemHistoryChart().create(history, modelConfiguration, new ReportSeriesBuilder(),
-                report, report.getItems()));
+
+        return new JacksonFacade().toJson(new ItemHistoryChart().create(createBuildHistory(), modelConfiguration, 
+                new ReportSeriesBuilder(), report, report.getItems()));
     }
 
     @Override
     public boolean isTrendVisible() {
-        return true;
+        return createBuildHistory().hasMultipleResults();
     }
 }

src/main/java/io/jenkins/plugins/reporter/ReportDetails.java

@@ -1,19 +1,13 @@
 package io.jenkins.plugins.reporter;
 
-import edu.hm.hafner.echarts.Build;
 import edu.hm.hafner.echarts.BuildResult;
 import edu.hm.hafner.echarts.ChartModelConfiguration;
 import edu.hm.hafner.echarts.JacksonFacade;
-import hudson.model.Job;
 import hudson.model.ModelObject;
 import hudson.model.Run;
-import hudson.util.RunList;
 import io.jenkins.plugins.reporter.charts.ItemHistoryChart;
 import io.jenkins.plugins.reporter.charts.ItemPieChart;
-import io.jenkins.plugins.reporter.model.ByIdResultSelector;
-import io.jenkins.plugins.reporter.model.Item;
-import io.jenkins.plugins.reporter.model.ItemSeriesBuilder;
-import io.jenkins.plugins.reporter.model.ItemTableModel;
+import io.jenkins.plugins.reporter.model.*;
 import io.jenkins.plugins.reporter.util.BuildResultNavigator;
 import org.apache.commons.lang3.StringUtils;
 import org.kohsuke.stapler.StaplerRequest;
@@ -22,8 +16,6 @@
 
 import java.io.IOException;
 import java.util.*;
-import java.util.regex.Pattern;
-import java.util.stream.Collectors;
 
 public class ReportDetails implements ModelObject {
 
@@ -165,23 +157,7 @@ public ItemTableModel getTableModel() {
     @JavaScriptMethod
     @SuppressWarnings("unused") // Called by jelly view
     public String getBuildTrend(final String configuration) {
-        Job<?, ?> job = getOwner().getParent();
-        RunList<?> runs = job.getBuilds();
-
-        List<ReportAction> reports = runs.stream()
-                .filter(run -> run.getNumber() <= getOwner().getNumber())
-                .map(run -> Optional.of(run.getActions(ReportAction.class)))
-                .map(Optional::get)
-                .flatMap(List::stream)
-                .filter(reportAction -> Objects.equals(reportAction.getResult().getReport().getId(), result.getReport().getId()))
-                .collect(Collectors.toList());
-
-        List<BuildResult<ReportAction>> history = reports.stream()
-                .map(reportAction -> new BuildResult<>(new Build(reportAction.getOwner().getNumber(),
-                        reportAction.getOwner().getDisplayName(), 0), reportAction))
-                .collect(Collectors.toList());
-
-        return new JacksonFacade().toJson(new ItemHistoryChart().create(history,
+        return new JacksonFacade().toJson(new ItemHistoryChart().create(createHistory(),
                 ChartModelConfiguration.fromJson(configuration), new ItemSeriesBuilder(item), result.getReport(), item.getItems()));
     }
 

src/main/java/io/jenkins/plugins/reporter/charts/ItemHistoryChart.java

@@ -2,7 +2,7 @@
 
 import edu.hm.hafner.echarts.*;
 import edu.umd.cs.findbugs.annotations.Nullable;
-import io.jenkins.plugins.reporter.ReportAction;
+import io.jenkins.plugins.reporter.ReportResult;
 import io.jenkins.plugins.reporter.model.Item;
 import io.jenkins.plugins.reporter.model.Report;
 
@@ -36,8 +36,8 @@ public class ItemHistoryChart {
      *
      * @return the chart model, ready to be serialized to JSON
      */
-    public LinesChartModel create(final Iterable<? extends BuildResult<ReportAction>> results,
-                                  final ChartModelConfiguration configuration, SeriesBuilder<ReportAction> builder,
+    public LinesChartModel create(final Iterable<? extends BuildResult<ReportResult>> results,
+                                  final ChartModelConfiguration configuration, SeriesBuilder<ReportResult> builder,
                                   Report report, @Nullable List<Item> items) {
 
         LinesDataSet dataSet = builder.createDataSet(configuration, results);

src/main/java/io/jenkins/plugins/reporter/model/History.java

@@ -1,15 +1,14 @@
 package io.jenkins.plugins.reporter.model;
 
-import java.util.Iterator;
-import java.util.Optional;
-
 import edu.hm.hafner.echarts.BuildResult;
 import edu.umd.cs.findbugs.annotations.NonNull;
-
 import hudson.model.Run;
 import io.jenkins.plugins.reporter.ReportAction;
 import io.jenkins.plugins.reporter.ReportResult;
 
+import java.util.Iterator;
+import java.util.Optional;
+
 
 /**
  * History of analysis results.

src/main/java/io/jenkins/plugins/reporter/model/ItemSeriesBuilder.java

@@ -2,11 +2,11 @@
 
 import edu.hm.hafner.echarts.SeriesBuilder;
 import io.jenkins.plugins.reporter.ReportAction;
+import io.jenkins.plugins.reporter.ReportResult;
 
 import java.util.Collections;
 import java.util.List;
 import java.util.Map;
-import java.util.Optional;
 import java.util.stream.Collectors;
 
 /**
@@ -15,7 +15,7 @@
  *
  * @author Simon Symhoven
  */
-public class ItemSeriesBuilder extends SeriesBuilder<ReportAction> {
+public class ItemSeriesBuilder extends SeriesBuilder<ReportResult> {
 
     private final Item item;
 
@@ -30,43 +30,25 @@ public ItemSeriesBuilder(Item item) {
     }
 
     @Override
-    protected Map<String, Integer> computeSeries(ReportAction reportAction) {
+    protected Map<String, Integer> computeSeries(ReportResult reportResult) {
 
         if (item.getId().equals(ReportAction.REPORT_ID)) {
 
             if (item.getResult().size() == 1) {
-                return reportAction.getResult().getReport().getItems().stream()
+                return reportResult.getReport().getItems().stream()
                         .collect(Collectors.toMap(Item::getId, Item::getTotal));
             }
 
-            return reportAction.getResult().getReport().aggregate();
+            return reportResult.getReport().aggregate();
         }
 
-        Item parent = reportAction.getResult().getReport().findItem(item.getId()).orElse(new Item());
+        Item parent = reportResult.getReport().findItem(item.getId()).orElse(new Item());
         List<Item> items = parent.hasItems() ? parent.getItems() : Collections.singletonList(parent);
 
         if (item.getResult().size() == 1) {
             return items.stream().collect(Collectors.toMap(Item::getId, Item::getTotal));
         }
 
-        return reportAction.getResult().getReport().aggregate(items);
-    }
-
-    private List<Item> findItems(String id, List<Item> items)
-    {
-        if (items != null) {
-            for (Item i: items) {
-                if (i.getId().equals(id)) {
-                    return i.hasItems() ? i.getItems() : Collections.singletonList(i);
-                } else {
-                    List<Item> sub = findItems(id, i.getItems());
-                    if (sub.size() > 0) {
-                        return sub;
-                    }
-                }
-            }
-        }
-
-        return Collections.emptyList();
+        return reportResult.getReport().aggregate(items);
     }
 }

src/main/java/io/jenkins/plugins/reporter/model/NullReportHistory.java

@@ -0,0 +1,50 @@
+package io.jenkins.plugins.reporter.model;
+
+
+import edu.hm.hafner.echarts.BuildResult;
+import edu.umd.cs.findbugs.annotations.NonNull;
+import hudson.model.Run;
+import io.jenkins.plugins.reporter.ReportAction;
+import io.jenkins.plugins.reporter.ReportResult;
+
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.Optional;
+
+public class NullReportHistory implements History {
+    @Override
+    public Optional<ReportAction> getBaselineAction() {
+        return Optional.empty();
+    }
+
+    @Override
+    public Optional<ReportResult> getBaselineResult() {
+        return Optional.empty();
+    }
+
+    @Override
+    public Optional<ReportResult> getResult() {
+        return Optional.empty();
+    }
+
+    @Override
+    public Optional<Run<?, ?>> getBuild() {
+        return Optional.empty();
+    }
+
+    @Override
+    public Report getReport() { 
+        return new Report();
+    }
+
+    @NonNull
+    @Override
+    public Iterator<BuildResult<ReportResult>> iterator() {
+        return Collections.emptyIterator();
+    }
+
+    @Override
+    public boolean hasMultipleResults() {
+      return false;
+    }
+}

src/main/java/io/jenkins/plugins/reporter/ReportHistory.java → src/main/java/io/jenkins/plugins/reporter/model/ReportHistory.java

@@ -1,14 +1,13 @@
-package io.jenkins.plugins.reporter;
+package io.jenkins.plugins.reporter.model;
 
 
 import edu.hm.hafner.echarts.Build;
 import edu.hm.hafner.echarts.BuildResult;
 import edu.umd.cs.findbugs.annotations.CheckForNull;
 import edu.umd.cs.findbugs.annotations.NonNull;
 import hudson.model.Run;
-import io.jenkins.plugins.reporter.model.History;
-import io.jenkins.plugins.reporter.model.Report;
-import io.jenkins.plugins.reporter.model.ResultSelector;
+import io.jenkins.plugins.reporter.ReportAction;
+import io.jenkins.plugins.reporter.ReportResult;
 
 import java.util.Iterator;
 import java.util.NoSuchElementException;

src/main/java/io/jenkins/plugins/reporter/model/ReportSeriesBuilder.java

@@ -1,7 +1,8 @@
 package io.jenkins.plugins.reporter.model;
 
 import edu.hm.hafner.echarts.SeriesBuilder;
-import io.jenkins.plugins.reporter.ReportAction;
+import io.jenkins.plugins.reporter.ReportResult;
+
 import java.util.Map;
 import java.util.stream.Collectors;
 
@@ -11,15 +12,15 @@
  *
  * @author Simon Symhoven
  */
-public class ReportSeriesBuilder extends SeriesBuilder<ReportAction> {
+public class ReportSeriesBuilder extends SeriesBuilder<ReportResult> {
 
     @Override
-    protected Map<String, Integer> computeSeries(ReportAction reportAction) {
+    protected Map<String, Integer> computeSeries(ReportResult reportResult) {
 
-        Map<String, Integer> result = reportAction.getResult().getReport().aggregate();
+        Map<String, Integer> result = reportResult.getReport().aggregate();
 
         if (result.size() == 1) {
-            return reportAction.getResult().getReport().getItems().stream()
+            return reportResult.getReport().getItems().stream()
                     .collect(Collectors.toMap(Item::getId, Item::getTotal));
         }
 

src/main/java/io/jenkins/plugins/reporter/model/ResultSelector.java

@@ -1,10 +1,10 @@
 package io.jenkins.plugins.reporter.model;
 
-import java.util.Optional;
-
 import hudson.model.Run;
 import io.jenkins.plugins.reporter.ReportAction;
 
+import java.util.Optional;
+
 /**
  * Selects a {@link ReportAction} from all registered actions in a given job.
  *

src/main/java/io/jenkins/plugins/reporter/steps/PublishReportStep.java

@@ -20,7 +20,10 @@
 import org.eclipse.collections.impl.factory.Sets;
 import org.jenkinsci.plugins.workflow.graph.FlowNode;
 import org.jenkinsci.plugins.workflow.steps.*;
-import org.kohsuke.stapler.*;
+import org.kohsuke.stapler.AncestorInPath;
+import org.kohsuke.stapler.DataBoundConstructor;
+import org.kohsuke.stapler.DataBoundSetter;
+import org.kohsuke.stapler.QueryParameter;
 import org.kohsuke.stapler.verb.POST;
 
 import java.io.Serializable;

src/main/java/io/jenkins/plugins/reporter/steps/ReportRecorder.java

@@ -31,7 +31,8 @@
 import org.kohsuke.stapler.verb.POST;
 
 import java.io.IOException;
-import java.util.*;
+import java.util.Arrays;
+import java.util.Locale;
 
 public class ReportRecorder extends Recorder {