summarizing

src/main/java/de/jottyfan/timetrack/modules/done/DoneModel.java

@@ -11,7 +11,10 @@ import java.util.ArrayList;
 import java.util.Calendar;
 import java.util.Date;
 import java.util.GregorianCalendar;
+import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
 import java.util.TimeZone;
 
 import javax.enterprise.context.SessionScoped;
@@ -121,6 +124,49 @@ public class DoneModel implements Model, Serializable {
 		times.add(new TimeBean(defineNewTime(currentHour, currentMinute + 30), "link"));
 		times.add(new TimeBean(defineNewTime(currentHour, currentMinute + 45), "link"));
 	}
+	
+	/**
+	 * summarizes the billings in horizon2020 notation
+	 * 
+	 * @return the billings summary
+	 */
+	public String getSummaryBilling() {
+		Map<String, Double> map = new HashMap<>();
+		for (DailySummaryBean bean : getAllJobs()) {
+			String shortcut = bean.getBillingShortcut();
+			Double time = bean.getDurationHours();
+			Double sumTime = map.get(shortcut);
+			sumTime = sumTime == null ? time : (sumTime + time);
+			map.put(shortcut, sumTime);
+		}
+		StringBuilder buf = new StringBuilder();
+		boolean first = true;
+		for (Entry<String, Double> entry : map.entrySet()) {
+			buf.append(first ? "" : ", ");
+			String key = entry.getKey();
+			if (key == null || key.equals("null")) {
+				buf.append("$ ");
+			} else {
+				buf.append(entry.getKey()).append(" ");
+			}
+			buf.append("(").append(entry.getValue()).append(")");
+			first = false;
+		}
+		return buf.toString();
+	}
+	
+	/**
+	 * summarizes the time of a days work in commaseparated values
+	 * 
+	 * @return the summarized times
+	 */
+	public String getSummaryTime() {
+		Double sum = 0d;
+		for (DailySummaryBean bean : getAllJobs()) {
+			sum += bean.getDurationHours();
+		}
+		return sum.toString();
+	}
 
 	private Calendar getCurrentTime() {
 		return new GregorianCalendar(TimeZone.getTimeZone("Europe/Berlin"));

src/main/webapp/pages/done/init.xhtml

@@ -84,6 +84,11 @@
                 <b:dataTableColumn label="" value="#{col.jobName}" contentStyle="font-size: 120%" orderable="false" />
                 <b:dataTableColumn label="" value="#{col.durationHours} h" contentStyle="font-size: 120%" orderable="false" />
               </b:dataTable>
+              <h:panelGrid columns="3" style="width: 100%">
+                <h:outputText value="Zusammenfassung" style="font-size: 120%; font-weight: bold" />
+                <h:outputText value="#{doneModel.summaryBilling}" style="font-size: 120%; font-weight: bold" />
+                <h:outputText value="#{doneModel.summaryTime} h" style="font-size: 120%; font-weight: bold" />
+              </h:panelGrid>
             </b:tab>
             <b:tab title="Anhang">
               <p>