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/*
* Copyright 2017 Anton Tananaev (anton@traccar.org)
* Copyright 2017 Andrey Kunitsyn (andrey@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.api.resource;
import java.sql.SQLException;
import java.util.Collection;
import java.util.HashSet;
import java.util.Set;
import javax.ws.rs.Consumes;
import javax.ws.rs.DELETE;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.PUT;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.QueryParam;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import org.traccar.Context;
import org.traccar.api.BaseResource;
import org.traccar.database.AttributesManager;
import org.traccar.model.Attribute;
import org.traccar.model.Position;
import org.traccar.model.User;
import org.traccar.processing.ComputedAttributesHandler;
@Path("attributes/computed")
@Produces(MediaType.APPLICATION_JSON)
@Consumes(MediaType.APPLICATION_JSON)
public class AttributeResource extends BaseResource {
@GET
public Collection<Attribute> get(
@QueryParam("all") boolean all, @QueryParam("userId") long userId, @QueryParam("groupId") long groupId,
@QueryParam("deviceId") long deviceId, @QueryParam("refresh") boolean refresh) throws SQLException {
AttributesManager attributesManager = Context.getAttributesManager();
if (refresh) {
attributesManager.refreshItems();
}
Set<Long> result = new HashSet<>();
if (all) {
if (Context.getPermissionsManager().isAdmin(getUserId())) {
result.addAll(attributesManager.getAllItems());
} else {
Context.getPermissionsManager().checkManager(getUserId());
result.addAll(attributesManager.getManagedItems(getUserId()));
}
} else {
if (userId == 0) {
userId = getUserId();
}
Context.getPermissionsManager().checkUser(getUserId(), userId);
result.addAll(attributesManager.getUserItems(userId));
}
if (groupId != 0) {
Context.getPermissionsManager().checkGroup(getUserId(), groupId);
result.retainAll(attributesManager.getGroupItems(groupId));
}
if (deviceId != 0) {
Context.getPermissionsManager().checkDevice(getUserId(), deviceId);
result.retainAll(attributesManager.getDeviceItems(deviceId));
}
return attributesManager.getItems(Attribute.class, result);
}
private Response add(Attribute entity) throws SQLException {
Context.getPermissionsManager().checkReadonly(getUserId());
Context.getAttributesManager().addItem(entity);
Context.getDataManager().linkObject(User.class, getUserId(), entity.getClass(), entity.getId(), true);
Context.getAttributesManager().refreshUserItems();
return Response.ok(entity).build();
}
private Response test(long deviceId, Attribute entity) {
Position last = Context.getIdentityManager().getLastPosition(deviceId);
if (last != null) {
Object result = new ComputedAttributesHandler().computeAttribute(entity, last);
if (result != null) {
switch (entity.getType()) {
case "number":
return Response.ok((Number) result).build();
case "boolean":
return Response.ok((Boolean) result).build();
default:
return Response.ok(result.toString()).build();
}
} else {
return Response.noContent().build();
}
} else {
throw new IllegalArgumentException("Device has no last position");
}
}
@POST
public Response post(@QueryParam("deviceId") long deviceId, Attribute entity) throws SQLException {
Context.getPermissionsManager().checkReadonly(getUserId());
if (deviceId != 0) {
Context.getPermissionsManager().checkDevice(getUserId(), deviceId);
return test(deviceId, entity);
} else {
return add(entity);
}
}
@Path("{id}")
@PUT
public Response update(Attribute entity) throws SQLException {
Context.getPermissionsManager().checkReadonly(getUserId());
Context.getPermissionsManager().checkPermission(Attribute.class, getUserId(), entity.getId());
Context.getAttributesManager().updateItem(entity);
return Response.ok(entity).build();
}
@Path("{id}")
@DELETE
public Response remove(@PathParam("id") long id) throws SQLException {
Context.getPermissionsManager().checkReadonly(getUserId());
Context.getPermissionsManager().checkPermission(Attribute.class, getUserId(), id);
Context.getAttributesManager().removeItem(id);
return Response.noContent().build();
}
}
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