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path: root/src/org/traccar/api/resource/DeviceResource.java
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/*
 * Copyright 2015 - 2017 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.api.resource;

import org.traccar.Context;
import org.traccar.api.BaseResource;
import org.traccar.model.Device;
import org.traccar.model.DeviceTotalDistance;

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 java.sql.SQLException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;

@Path("devices")
@Produces(MediaType.APPLICATION_JSON)
@Consumes(MediaType.APPLICATION_JSON)
public class DeviceResource extends BaseResource {

    @GET
    public Collection<Device> get(
            @QueryParam("all") boolean all, @QueryParam("userId") long userId,
            @QueryParam("id") List<Long> deviceIds) throws SQLException {
        if (deviceIds.isEmpty()) {
            if (all) {
                if (Context.getPermissionsManager().isAdmin(getUserId())) {
                    return Context.getDeviceManager().getAllDevices();
                } else {
                    Context.getPermissionsManager().checkManager(getUserId());
                    return Context.getDeviceManager().getManagedDevices(getUserId());
                }
            } else {
                if (userId == 0) {
                    userId = getUserId();
                }
                Context.getPermissionsManager().checkUser(getUserId(), userId);
                return Context.getDeviceManager().getDevices(userId);
            }
        } else {
            ArrayList<Device> devices = new ArrayList<>();
            for (Long deviceId : deviceIds) {
                Context.getPermissionsManager().checkDevice(getUserId(), deviceId);
                devices.add(Context.getDeviceManager().getDeviceById(deviceId));
            }
            return devices;
        }
    }

    @POST
    public Response add(Device entity) throws SQLException {
        Context.getPermissionsManager().checkReadonly(getUserId());
        Context.getPermissionsManager().checkDeviceReadonly(getUserId());
        Context.getPermissionsManager().checkDeviceLimit(getUserId());
        Context.getDeviceManager().addDevice(entity);
        LinkedHashMap<String, Long> link = new LinkedHashMap<>();
        link.put("userId", getUserId());
        link.put("deviceId", entity.getId());
        Context.getDataManager().linkObject(link, true);
        Context.getPermissionsManager().refreshPermissions();
        Context.getPermissionsManager().refreshAllExtendedPermissions();
        return Response.ok(entity).build();
    }

    @Path("{id}")
    @PUT
    public Response update(Device entity) throws SQLException {
        Context.getPermissionsManager().checkReadonly(getUserId());
        Context.getPermissionsManager().checkDeviceReadonly(getUserId());
        Context.getPermissionsManager().checkDevice(getUserId(), entity.getId());
        Context.getDeviceManager().updateDevice(entity);
        Context.getPermissionsManager().refreshPermissions();
        Context.getPermissionsManager().refreshAllExtendedPermissions();
        return Response.ok(entity).build();
    }

    @Path("{id : \\d+}")
    @DELETE
    public Response remove(@PathParam("id") long id) throws SQLException {
        Context.getPermissionsManager().checkReadonly(getUserId());
        Context.getPermissionsManager().checkDeviceReadonly(getUserId());
        Context.getPermissionsManager().checkDevice(getUserId(), id);
        Context.getDeviceManager().removeDevice(id);
        Context.getPermissionsManager().refreshPermissions();
        Context.getPermissionsManager().refreshAllExtendedPermissions();
        Context.getAliasesManager().removeDevice(id);
        return Response.noContent().build();
    }

    @Path("{id}/distance")
    @PUT
    public Response updateTotalDistance(DeviceTotalDistance entity) throws SQLException {
        Context.getPermissionsManager().checkAdmin(getUserId());
        Context.getDeviceManager().resetTotalDistance(entity);
        return Response.noContent().build();
    }

    @Path("/{slave : (geofences|drivers|attributes)}")
    @POST
    public Response add(Map<String, Long> entity) throws SQLException {
        Context.getPermissionsManager().checkReadonly(getUserId());
        if (entity.size() != 2) {
            throw new IllegalArgumentException();
        }
        for (String key : entity.keySet()) {
            Context.getPermissionsManager().checkPermission(key.replace("Id", ""), getUserId(), entity.get(key));
        }
        Context.getDataManager().linkObject(entity, true);
        Context.getPermissionsManager().refreshPermissions(entity);
        return Response.noContent().build();
    }

    @Path("/{slave : (geofences|drivers|attributes)}")
    @DELETE
    public Response remove(Map<String, Long> entity) throws SQLException {
        Context.getPermissionsManager().checkReadonly(getUserId());
        for (String key : entity.keySet()) {
            Context.getPermissionsManager().checkPermission(key.replace("Id", ""), getUserId(), entity.get(key));
        }
        if (entity.size() != 2) {
            throw new IllegalArgumentException();
        }
        Context.getDataManager().linkObject(entity, false);
        Context.getPermissionsManager().refreshPermissions(entity);
        return Response.noContent().build();
    }

}