Commision with grouos response

restservice/src/main/java/com/plannaplan/responses/models/CommisionWithGroupsResponse.java

@@ -0,0 +1,36 @@
+package com.plannaplan.responses.models;
+
+import java.util.List;
+import java.util.Objects;
+import java.util.function.Function;
+import java.util.stream.Collectors;
+
+import com.plannaplan.entities.Assignment;
+import com.plannaplan.entities.Commision;
+
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+
+@ApiModel(description = "Response shows information about commision and its groups.", value = "CommisionWithGroupsResponse")
+public class CommisionWithGroupsResponse extends CommisionResponse {
+
+    @ApiModelProperty(value = "List of groups ids in databse that belongs to commision")
+    private List<Long> groups;
+
+    public CommisionWithGroupsResponse(Commision commision) {
+        super(commision);
+        this.groups = commision.getAssignments().stream().filter(Objects::nonNull)
+                .map(new Function<Assignment, Long>() {
+
+                    @Override
+                    public Long apply(Assignment arg0) {
+                        return arg0.getGroup().getId();
+                    }
+                }).collect(Collectors.toList());
+    }
+
+    public List<Long> getGroups() {
+        return groups;
+    }
+
+}