/**
* Copyright (c) 2009--2015 Red Hat, Inc.
*
* This software is licensed to you under the GNU General Public License,
* version 2 (GPLv2). There is NO WARRANTY for this software, express or
* implied, including the implied warranties of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. You should have received a copy of GPLv2
* along with this software; if not, see
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
*
* Red Hat trademarks are not licensed under GPLv2. No permission is
* granted to use or replicate Red Hat trademarks that are incorporated
* in this software or its documentation.
*/
package com.redhat.rhn.frontend.action.groups;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import com.redhat.rhn.domain.server.ManagedServerGroup;
import com.redhat.rhn.domain.server.Server;
import com.redhat.rhn.domain.server.ServerFactory;
import com.redhat.rhn.domain.server.ServerGroupFactory;
import com.redhat.rhn.frontend.dto.SystemOverview;
import com.redhat.rhn.frontend.struts.RequestContext;
import com.redhat.rhn.frontend.struts.RhnAction;
import com.redhat.rhn.frontend.struts.RhnHelper;
import com.redhat.rhn.manager.rhnset.RhnSetDecl;
import com.redhat.rhn.manager.system.ServerGroupManager;
import com.redhat.rhn.manager.system.SystemManager;
import org.apache.commons.lang.StringUtils;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;
import org.apache.struts.action.DynaActionForm;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* @author paji
* @version $Rev$
*/
public class EditGroupAction extends RhnAction {
/** {@inheritDoc} */
public ActionForward execute(ActionMapping mapping,
ActionForm form,
HttpServletRequest request,
HttpServletResponse response) {
DynaActionForm daForm = (DynaActionForm)form;
ActionErrors errors = new ActionErrors();
Map params = makeParamMap(request);
RequestContext ctx = new RequestContext(request);
if (ctx.hasParam("sgid")) {
params.put("sgid", ctx.getParam("sgid", true));
}
if (!isSubmitted(daForm)) {
setupForm(request, daForm);
return getStrutsDelegate().forwardParams(
mapping.findForward(RhnHelper.DEFAULT_FORWARD),
params);
}
// process values - create or update
if (ctx.hasParam("create_button")) {
Long sgid = create(daForm, errors, ctx);
params.put("sgid", sgid);
}
else if (ctx.hasParam("edit_button")) {
edit(daForm, errors, ctx);
}
if (!errors.isEmpty()) {
addErrors(request, errors);
request.setAttribute("name", daForm.get("name"));
request.setAttribute("description", daForm.get("description"));
return getStrutsDelegate().forwardParams(
mapping.findForward(RhnHelper.DEFAULT_FORWARD),
params);
}
if (ctx.hasParam("create_button")) {
createSuccessMessage(request,
"systemgroups.create.successmessage", daForm.getString("name"));
}
else if (ctx.hasParam("edit_button")) {
createSuccessMessage(request,
"systemgroups.edit.successmessage", daForm.getString("name"));
}
return getStrutsDelegate().forwardParams(
mapping.findForward("success"), params);
}
private void setupForm(HttpServletRequest request, DynaActionForm form) {
RequestContext ctx = new RequestContext(request);
Long sgid = ctx.getParamAsLong("sgid");
// editing form - prefill values
if (sgid != null) {
ManagedServerGroup sg = ctx.lookupAndBindServerGroup();
form.set("name", sg.getName());
form.set("description", sg.getDescription());
}
}
private Long create(DynaActionForm form, ActionErrors errors,
RequestContext ctx) {
validate(form, errors, ctx);
if (errors.isEmpty()) {
ServerGroupManager manager = ServerGroupManager.getInstance();
ManagedServerGroup sg = manager.create(ctx.getCurrentUser(),
form.getString("name"), form.getString("description"));
if (form.get("is_ssm") != null && (Boolean)form.get("is_ssm")) {
List<SystemOverview> systems = SystemManager.inSet(ctx.getCurrentUser(),
RhnSetDecl.SYSTEMS.getLabel());
List<Server> hibernateServers = new ArrayList<Server>();
for (SystemOverview system : systems) {
hibernateServers.add(ServerFactory.lookupById(system.getId()));
}
manager.addServers(sg, hibernateServers, ctx.getCurrentUser());
}
return sg.getId();
}
return null;
}
private void edit(DynaActionForm form, ActionErrors errors,
RequestContext ctx) {
validate(form, errors, ctx);
if (errors.isEmpty()) {
ManagedServerGroup sg = ctx.lookupAndBindServerGroup();
sg.setName(form.getString("name"));
sg.setDescription(form.getString("description"));
ServerGroupFactory.save(sg);
}
}
private void validate(DynaActionForm form, ActionErrors errors,
RequestContext ctx) {
String name = form.getString("name");
String desc = form.getString("description");
Long sgid = ctx.getParamAsLong("sgid");
// Check if both values are entered
if (StringUtils.isEmpty(name) || StringUtils.isEmpty(desc)) {
errors.add(ActionMessages.GLOBAL_MESSAGE,
new ActionMessage("systemgroup.create.requirements"));
}
// Check if sg already exists
ManagedServerGroup newGroup = ServerGroupFactory.lookupByNameAndOrg(name,
ctx.getCurrentUser().getOrg());
// Ugly condition for two error cases:
// creating page + group name exists
// editing page + group name exists except our group
if (((sgid == null) && (newGroup != null)) ||
(sgid != null) && (newGroup != null) && (!sgid.equals(newGroup.getId()))) {
errors.add(ActionMessages.GLOBAL_MESSAGE,
new ActionMessage("systemgroup.create.alreadyexists"));
}
}
}