backend/src/main/java/core/api/controller/StatisticController.java

@@ -23,6 +23,7 @@ import java.time.LocalDateTime;
 import java.time.LocalTime;
 import java.time.format.DateTimeFormatter;
 import java.util.ArrayList;
+import java.util.Comparator;
 import java.util.List;
 import java.util.Map;
 
@@ -59,7 +60,14 @@ public class StatisticController {
             return ResponseEntity.status(404).body(new SimpleStatusResponse("failed"));
         }
 
-        return ResponseEntity.ok(taskgroupPermissionResult.getResult().calcActivityInfo(includeSubTaskgroups,
+        List<TaskgroupActivityInfo> activityInfos = taskgroupPermissionResult.getResult().calcActivityInfo(includeSubTaskgroups,
-                LocalDate.parse(startingDate, DateTimeFormatter.ofPattern("yyyy-MM-dd")), LocalDate.parse(endingDate, DateTimeFormatter.ofPattern("yyyy-MM-dd"))));
+                LocalDate.parse(startingDate, DateTimeFormatter.ofPattern("yyyy-MM-dd")), LocalDate.parse(endingDate, DateTimeFormatter.ofPattern("yyyy-MM-dd")));
+        activityInfos.sort(new Comparator<TaskgroupActivityInfo>() {
+            @Override
+            public int compare(TaskgroupActivityInfo o1, TaskgroupActivityInfo o2) {
+                return o1.getDate().compareTo(o2.getDate());
+            }
+        });
+        return ResponseEntity.ok(activityInfos);
     }
 }

backend/src/main/java/core/api/models/timemanager/history/TaskgroupActivityInfo.java

@@ -17,4 +17,12 @@ public class TaskgroupActivityInfo {
         this.date = localDate;
         this.activeMinutes = activeMinutes;
     }
+
+    public LocalDate getDate() {
+        return date;
+    }
+
+    public int getActiveMinutes() {
+        return activeMinutes;
+    }
 }

backend/src/main/java/core/api/models/timemanager/taskgroup/TaskgroupPathInfo.java

@@ -11,6 +11,9 @@ public class TaskgroupPathInfo {
     @JsonProperty
     private String taskgroupPath;
 
+    @JsonProperty
+    private TaskgroupEntityInfo rootTasktroup;
+
     @JsonProperty
     private List<TaskgroupEntityInfo> directChildren;
     public TaskgroupPathInfo(Taskgroup taskgroup) {
@@ -21,6 +24,7 @@ public class TaskgroupPathInfo {
             stringBuilder.append("/");
         }
         this.taskgroupPath = stringBuilder.substring(0, stringBuilder.length()-1);
+        this.rootTasktroup = new TaskgroupEntityInfo(taskgroup);
         directChildren = taskgroup.getChildren().stream().map(TaskgroupEntityInfo::new).toList();
     }
 }