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/*
* Copyright 2022 Anton Tananaev (anton@traccar.org)
*
* 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.traccar.storage;
import org.traccar.model.BaseModel;
import org.traccar.model.Pair;
import org.traccar.model.Permission;
import org.traccar.storage.query.Request;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.stream.Collectors;
public class MemoryStorage extends Storage {
private final Map<Pair<Class<?>, Class<?>>, Set<Pair<Long, Long>>> permissions = new HashMap<>();
@Override
public <T> List<T> getObjects(Class<T> clazz, Request request) {
return null;
}
@Override
public <T> long addObject(T entity, Request request) {
return 0;
}
@Override
public <T> void updateObject(T entity, Request request) {
}
@Override
public void removeObject(Class<?> clazz, Request request) {
}
private Set<Pair<Long, Long>> getPermissionsSet(Class<?> ownerClass, Class<?> propertyClass) {
return permissions.computeIfAbsent(new Pair<>(ownerClass, propertyClass), k -> new HashSet<>());
}
@Override
public List<Permission> getPermissions(
Class<? extends BaseModel> ownerClass, long ownerId,
Class<? extends BaseModel> propertyClass, long propertyId) {
return getPermissionsSet(ownerClass, propertyClass).stream()
.filter(pair -> ownerId == 0 || pair.getFirst().equals(ownerId))
.filter(pair -> propertyId == 0 || pair.getSecond().equals(propertyId))
.map(pair -> new Permission(ownerClass, pair.getFirst(), propertyClass, pair.getSecond()))
.collect(Collectors.toList());
}
@Override
public void addPermission(Permission permission) {
getPermissionsSet(permission.getOwnerClass(), permission.getPropertyClass())
.add(new Pair<>(permission.getOwnerId(), permission.getPropertyId()));
}
@Override
public void removePermission(Permission permission) {
getPermissionsSet(permission.getOwnerClass(), permission.getPropertyClass())
.remove(new Pair<>(permission.getOwnerId(), permission.getPropertyId()));
}
}
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