return information about the plotted sequences

this information can be used for tests

pdb-ui/src/main/java/org/lucares/pdbui/BadRequest.java

@@ -0,0 +1,18 @@
+package org.lucares.pdbui;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.ResponseStatus;
+
+@ResponseStatus(value = HttpStatus.BAD_REQUEST, reason = "BadRequest")
+public class BadRequest extends RuntimeException {
+
+	private static final long serialVersionUID = 694206253376122420L;
+
+	public BadRequest(final String message, final Throwable cause) {
+		super(message, cause);
+	}
+
+	public BadRequest(final Throwable cause) {
+		super(cause);
+	}
+}

pdb-ui/src/main/java/org/lucares/pdbui/PdbController.java

@@ -1,7 +1,5 @@
 package org.lucares.pdbui;
 
-import java.io.File;
-import java.nio.file.Path;
 import java.time.LocalDateTime;
 import java.time.format.DateTimeFormatter;
 import java.util.ArrayList;
@@ -19,8 +17,10 @@ import org.lucares.pdbui.domain.AutocompleteResponse;
 import org.lucares.pdbui.domain.PlotRequest;
 import org.lucares.pdbui.domain.PlotResponse;
 import org.lucares.performance.db.CollectionUtils;
+import org.lucares.recommind.logs.DataSeries;
 import org.lucares.recommind.logs.InternalPlottingException;
 import org.lucares.recommind.logs.NoDataPointsException;
+import org.lucares.recommind.logs.PlotResult;
 import org.lucares.recommind.logs.Plotter;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -73,13 +73,12 @@ public class PdbController implements HardcodedValues, CollectionUtils {
 		final PlotSettings plotSettings = PlotSettingsTransformer.toSettings(request);
 
 		try {
-			final File image = plotter.plot(plotSettings);
+			final PlotResult result = plotter.plot(plotSettings);
 
-			final Path relativeImagePath = plotter.getOutputDir().relativize(image.toPath());
-			final String relativeImgUrl = relativeImagePath.toString().replace('\\', '/');
-			final String imageUrl = WEB_IMAGE_OUTPUT_PATH + "/" + relativeImgUrl;
+			final String imageUrl = WEB_IMAGE_OUTPUT_PATH + "/" + result.getImageName();
 			LOGGER.trace("image url:  {}", imageUrl);
-			return new PlotResponse(imageUrl);
+
+			return new PlotResponse(DataSeries.toMap(result.getDataSeries()), imageUrl);
 		} catch (final NoDataPointsException e) {
 			throw new NotFoundException(e);
 		}

pdb-ui/src/main/java/org/lucares/pdbui/domain/PlotResponse.java

@@ -3,15 +3,14 @@ package org.lucares.pdbui.domain;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
+import java.util.Map;
 
 public class PlotResponse {
 	private List<String> imageUrls = new ArrayList<>();
+	private Map<String, Integer> dataSeries;
 
-	public PlotResponse() {
-		super();
-	}
-
-	public PlotResponse(final String... imageUrls) {
+	public PlotResponse(final Map<String, Integer> dataSeries, final String... imageUrls) {
+		this.dataSeries = dataSeries;
 		this.imageUrls.addAll(Arrays.asList(imageUrls));
 	}
 
@@ -23,9 +22,17 @@ public class PlotResponse {
 		this.imageUrls = imageUrls;
 	}
 
+	public Map<String, Integer> getDataSeries() {
+		return dataSeries;
+	}
+
+	public void setDataSeries(final Map<String, Integer> dataSeries) {
+		this.dataSeries = dataSeries;
+	}
+
 	@Override
 	public String toString() {
-		return String.valueOf(imageUrls);
+		return String.valueOf(imageUrls) + " " + dataSeries;
 	}
 
 }