org.businessmanager.web.controller.page.admin.AssignGroupsController.java Source code

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Here is the source code for org.businessmanager.web.controller.page.admin.AssignGroupsController.java

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/*******************************************************************************
 * Copyright 2012 Christian Ternes and Thorsten Volland
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/
package org.businessmanager.web.controller.page.admin;

import java.util.List;

import javax.faces.application.FacesMessage;

import org.apache.commons.collections.ListUtils;
import org.businessmanager.domain.security.Group;
import org.businessmanager.domain.security.User;
import org.businessmanager.service.security.GroupService;
import org.businessmanager.web.controller.AbstractController;
import org.businessmanager.web.controller.model.UserGroupModel;
import org.primefaces.model.DualListModel;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Component;

@Component("assignGroupsController")
@Scope("request")
public class AssignGroupsController extends AbstractController {

    @Autowired
    private UserGroupModel model;

    @Autowired
    private GroupService groupService;

    private DualListModel<Group> groups;

    public UserGroupModel getModel() {
        return model;
    }

    public DualListModel<Group> getGroups() {
        if (groups == null) {
            createGroupsModel();
        }
        return groups;
    }

    @SuppressWarnings("unchecked")
    private void createGroupsModel() {
        User selectedUser = model.getSelectedUser();

        List<Group> source = model.getGroupList();
        List<Group> target = selectedUser.getAssignedGroups();

        source = ListUtils.subtract(source, target);

        groups = new DualListModel<Group>(source, target);
    }

    public void setGroups(DualListModel<Group> groups) {
        this.groups = groups;
    }

    public String assignGroups() {
        List<Group> notAssignedGroups = groups.getSource();
        for (Group group : notAssignedGroups) {
            removeUserFromGroup(group);
            groupService.assignUsersToGroup(group.getMembers(), group);
        }

        List<Group> assignedGroups = groups.getTarget();
        for (Group group : assignedGroups) {
            addUserToGroup(group);
            groupService.assignUsersToGroup(group.getMembers(), group);
        }

        model.refresh();

        addMessage(FacesMessage.SEVERITY_INFO, "assignGroups_success_groups_assigned");
        return navigateBack();
    }

    private void removeUserFromGroup(Group group) {
        List<User> members = group.getMembers();
        members.remove(model.getSelectedUser());
    }

    private void addUserToGroup(Group group) {
        List<User> members = group.getMembers();
        if (!members.contains(model.getSelectedUser())) {
            group.getMembers().add(model.getSelectedUser());
        }
    }

    public String navigateBack() {
        return navigationManager.getAdminSecuritymanagement();
    }
}