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path: root/src/org/traccar/api/resource/AttributeResource.java
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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 javax.ws.rs.Consumes;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
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.ExtendedObjectResource;
import org.traccar.model.Attribute;
import org.traccar.model.Position;
import org.traccar.processing.ComputedAttributesHandler;

@Path("attributes/computed")
@Produces(MediaType.APPLICATION_JSON)
@Consumes(MediaType.APPLICATION_JSON)
public class AttributeResource extends ExtendedObjectResource<Attribute> {

    public AttributeResource() {
        super(Attribute.class);
    }

    @POST
    @Path("test")
    public Response test(@QueryParam("deviceId") long deviceId, Attribute entity) throws SQLException {
        Context.getPermissionsManager().checkReadonly(getUserId());
        Context.getPermissionsManager().checkDevice(getUserId(), deviceId);
        Position last = Context.getIdentityManager().getLastPosition(deviceId);
        if (last != null) {
            Object result = new ComputedAttributesHandler().computeAttribute(entity, last);
            if (result != null) {
                switch (entity.getType()) {
                    case "number":
                        Number numberValue = (Number) result;
                        return Response.ok(numberValue).build();
                    case "boolean":
                        Boolean booleanValue = (Boolean) result;
                        return Response.ok(booleanValue).build();
                    default:
                        return Response.ok(result.toString()).build();
                }
            } else {
                return Response.noContent().build();
            }
        } else {
            throw new IllegalArgumentException("Device has no last position");
        }
    }

}