/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. The ASF licenses this file to You
* 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. For additional information regarding
* copyright in this work, please see the NOTICE file in the top level
* directory of this distribution.
*/
package org.apache.roller.planet.ui.admin.struts2;
import com.opensymphony.xwork2.Preparable;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.roller.planet.PlanetException;
import org.apache.roller.planet.business.PlanetFactory;
import org.apache.roller.planet.business.PlanetManager;
import org.apache.roller.planet.business.fetcher.FeedFetcher;
import org.apache.roller.planet.pojos.Planet;
import org.apache.roller.planet.pojos.PlanetGroup;
import org.apache.roller.planet.pojos.Subscription;
import org.apache.roller.planet.ui.core.struts2.PlanetActionSupport;
/**
* Planet Group Form Action.
*
* Handles adding/modifying groups for a planet.
*
* TODO: validation and security.
*/
public class PlanetGroupForm extends PlanetActionSupport implements Preparable {
private static Log log = LogFactory.getLog(PlanetGroupForm.class);
// the PlanetGroup to work on
private PlanetGroup group = null;
// form fields
private String planetid = null;
private String groupid = null;
private String subid = null;
private String addSubUrl = null;
/**
* Load relevant Planet if possible.
*/
public void prepare() throws Exception {
PlanetManager pMgr = PlanetFactory.getPlanet().getPlanetManager();
if(getGroupid() != null && !"".equals(getGroupid())) {
// load a planet group
log.debug("Loading Planet Group ...");
group = pMgr.getGroupById(getGroupid());
} else {
// new group, must have a planet to add it to
Planet planet = pMgr.getPlanetById(getPlanetid());
if(planet != null) {
group = new PlanetGroup();
group.setPlanet(planet);
} else {
throw new PlanetException("could not determine planet "+getPlanetid());
}
}
}
public String execute() {
return INPUT;
}
// TODO: Validation - check that group handle is unique within planet
// TODO: Validation - make sure that html is not allowed in handle or title
// TODO: Validation - make sure maxXXXEntries have a proper value range
public String save() {
// save a group group
log.debug("Saving Planet Group ...");
try {
PlanetManager pMgr = PlanetFactory.getPlanet().getPlanetManager();
pMgr.saveGroup(this.group);
PlanetFactory.getPlanet().flush();
// call setGroupid() just in case this was a new group with no id yet
setGroupid(this.group.getId());
} catch (PlanetException ex) {
log.error("Error saving planet group", ex);
setError("PlanetGroupForm.error.saveFailed");
return INPUT;
}
setSuccess("PlanetGroupForm.message.saveSucceeded");
return INPUT;
}
// Validation - sub url cannot be null, must be valid url
public String addSub() {
// add a planet subscription
log.debug("Adding Planet Subscription ...");
PlanetManager pMgr = PlanetFactory.getPlanet().getPlanetManager();
try {
PlanetGroup group = getGroup();
if(group == null) {
setError("PlanetSubscriptionForm.error.groupNull");
return INPUT;
}
// check if this subscription already exists before adding it
Subscription sub = pMgr.getSubscription(getAddSubUrl());
if(sub == null) {
// sub doesn't exist yet, so we need to fetch it
FeedFetcher fetcher = PlanetFactory.getPlanet().getFeedFetcher();
sub = fetcher.fetchSubscription(getAddSubUrl());
// save new sub
pMgr.saveSubscription(sub);
}
// add the sub to the group
group.getSubscriptions().add(sub);
sub.getGroups().add(group);
pMgr.saveGroup(group);
// flush changes
PlanetFactory.getPlanet().flush();
// clear field after success
setAddSubUrl(null);
} catch (PlanetException ex) {
log.error("Error adding subscription", ex);
setError("PlanetSubscriptionForm.error.saveFailed");
return INPUT;
}
setSuccess("PlanetSubscriptionForm.message.saveSucceeded");
return INPUT;
}
public String deleteSub() {
// delete a planet subscription
log.debug("Deleting Planet Subscription ...");
PlanetManager pmgr = PlanetFactory.getPlanet().getPlanetManager();
try {
if(!StringUtils.isEmpty(getSubid())) {
Subscription sub = pmgr.getSubscriptionById(getSubid());
if(sub == null) {
setError("PlanetGroupForm.error.nullSubscription");
return INPUT;
} else {
PlanetGroup group = getGroup();
group.getSubscriptions().remove(sub);
sub.getGroups().remove(group);
pmgr.saveGroup(group);
PlanetFactory.getPlanet().flush();
}
setSuccess("PlanetGroupForm.message.subscriptionDeleteSucceeded", sub.getTitle());
} else {
setError("PlanetGroupForm.error.subscriptionNull");
}
return INPUT;
} catch (PlanetException ex) {
log.error("Unable to lookup planet group", ex);
setError("PlanetGroupForm.error.subscriptionDeleteFailed", getSubid());
return INPUT;
}
}
public String getPlanetid() {
return planetid;
}
public void setPlanetid(String planetid) {
this.planetid = planetid;
}
public String getGroupid() {
return groupid;
}
public void setGroupid(String groupid) {
this.groupid = groupid;
}
public String getSubid() {
return subid;
}
public void setSubid(String subid) {
this.subid = subid;
}
public PlanetGroup getGroup() {
return group;
}
public void setGroup(PlanetGroup group) {
this.group = group;
}
public String getAddSubUrl() {
return addSubUrl;
}
public void setAddSubUrl(String addSubUrl) {
this.addSubUrl = addSubUrl;
}
}