/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* 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.
*/
package org.apache.sling.sample.slingshot;
import java.util.HashMap;
import java.util.Map;
import org.apache.sling.api.resource.ModifiableValueMap;
import org.apache.sling.api.resource.PersistenceException;
import org.apache.sling.api.resource.Resource;
import org.apache.sling.api.resource.ResourceResolver;
import org.apache.sling.api.resource.ResourceUtil;
import org.apache.sling.api.resource.ValueMap;
public abstract class SlingshotUtil {
public static String getUserId(final Resource resource) {
final String prefix = SlingshotConstants.APP_ROOT_PATH + "/";
String id = null;
if ( resource.getPath().startsWith(prefix) ) {
final int areaEnd = resource.getPath().indexOf('/', prefix.length());
if ( areaEnd != -1 ) {
final int userEnd = resource.getPath().indexOf('/', areaEnd + 1);
if ( userEnd == -1 ) {
id = resource.getPath().substring(areaEnd + 1);
} else {
id = resource.getPath().substring(areaEnd + 1, userEnd);
}
}
}
return id;
}
public static int getRating(final Resource resource) {
int rating = 0;
final Resource ratingsResource = resource.getChild("ratings");
if ( ratingsResource != null ) {
int count = 0;
for(final Resource r : ratingsResource.getChildren()) {
final ValueMap vm = r.getValueMap();
final int current = vm.get(SlingshotConstants.PROPERTY_RATING, 0);
rating += current;
count++;
}
if ( count > 0 ) {
rating = rating / count;
}
}
return rating;
}
public static int getOwnRating(final Resource resource, final String userId) {
int rating = 0;
final Resource r = resource.getResourceResolver().getResource(resource.getParent() + "/ratings/" + userId);
if ( r != null ) {
final ValueMap vm = r.getValueMap();
rating = vm.get(SlingshotConstants.PROPERTY_RATING, 0);
}
return rating;
}
public static void setOwnRating(final Resource resource, final String userId, final int rating)
throws PersistenceException {
final Map<String, Object> props = new HashMap<String, Object>();
props.put(ResourceResolver.PROPERTY_RESOURCE_TYPE, SlingshotConstants.RESOURCETYPE_RATINGS);
final Resource ratingsResource = ResourceUtil.getOrCreateResource(resource.getResourceResolver(),
resource.getPath() + "/ratings", props, null, true);
props.clear();
props.put(ResourceResolver.PROPERTY_RESOURCE_TYPE, SlingshotConstants.RESOURCETYPE_RATING);
final Resource r = ResourceUtil.getOrCreateResource(resource.getResourceResolver(),
ratingsResource.getPath() + "/" + userId, props, null, false);
final ModifiableValueMap mv = r.adaptTo(ModifiableValueMap.class);
mv.put(SlingshotConstants.PROPERTY_RATING, rating);
r.getResourceResolver().commit();
}
}