/*
 * Copyright 2015 - 2016 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.Config;
import org.traccar.api.BaseResource;
import org.traccar.model.User;

import javax.annotation.security.PermitAll;
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.core.MediaType;
import javax.ws.rs.core.Response;
import java.sql.SQLException;
import java.util.Collection;
import java.util.Date;
import java.util.Calendar;

@Path("users")
@Produces(MediaType.APPLICATION_JSON)
@Consumes(MediaType.APPLICATION_JSON)
public class UserResource extends BaseResource {

    @GET
    public Collection<User> get() throws SQLException {
        Context.getPermissionsManager().checkAdmin(getUserId());
        return Context.getPermissionsManager().getUsers();
    }

    @PermitAll
    @POST
    public Response add(User entity) throws SQLException {
        if (!Context.getPermissionsManager().isAdmin(getUserId())) {
            Context.getPermissionsManager().checkRegistration(getUserId());
            Context.getPermissionsManager().checkUserUpdate(getUserId(), new User(), entity);
            Config config = Context.getConfig();
            int deviceLimit = config.getInteger("default.deviceLimit");
            int expirationDuration = config.getInteger("default.expirationDuration");
            if (deviceLimit > 0) {
              entity.setDeviceLimit(deviceLimit);
            }
            if (expirationDuration > 0) {
              Calendar cal = Calendar.getInstance();
              cal.add(Calendar.DATE, expirationDuration);
              Date expirationTime = cal.getTime();
              entity.setExpirationTime(expirationTime);
            }
        }
        Context.getPermissionsManager().addUser(entity);
        if (Context.getNotificationManager() != null) {
            Context.getNotificationManager().refresh();
        }
        return Response.ok(entity).build();
    }

    @Path("{id}")
    @PUT
    public Response update(User entity) throws SQLException {
        User before = Context.getPermissionsManager().getUser(entity.getId());
        Context.getPermissionsManager().checkUser(getUserId(), entity.getId());
        Context.getPermissionsManager().checkUserUpdate(getUserId(), before, entity);
        Context.getPermissionsManager().updateUser(entity);
        if (Context.getNotificationManager() != null) {
            Context.getNotificationManager().refresh();
        }
        return Response.ok(entity).build();
    }

    @Path("{id}")
    @DELETE
    public Response remove(@PathParam("id") long id) throws SQLException {
        Context.getPermissionsManager().checkUser(getUserId(), id);
        Context.getPermissionsManager().removeUser(id);
        if (Context.getGeofenceManager() != null) {
            Context.getGeofenceManager().refreshUserGeofences();
        }
        if (Context.getNotificationManager() != null) {
            Context.getNotificationManager().refresh();
        }
        return Response.noContent().build();
    }

}

@@ -685,35 +685,8 @@
 xt;%0A
-import org.traccar.Config;%0A
 impo
@@ -718,16 +718,16 @@
 source;%0A
+
 import o
@@ -1161,35 +1161,8 @@
 ate;
-%0Aimport java.util.Calendar;
 %0A%0A@P
@@ -1835,21 +1835,23 @@
     
-Config config
+int deviceLimit
  = C
@@ -1872,46 +1872,8 @@
 ig()
-;%0A            int deviceLimit = config
 .get
@@ -1885,17 +1885,22 @@
 er(%22
+users.
 default
-.d
+D
 evic
@@ -1940,24 +1940,33 @@
 ionD
-uration = c
+ays = Context.getC
 onfig
+()
 .get
@@ -1978,17 +1978,22 @@
 er(%22
+users.
 default
-.e
+E
 xpir
@@ -2002,56 +2002,15 @@
 ionD
-uration
+ays
 %22);%0A
-            if (deviceLimit %3E 0) %7B%0A  
     
@@ -2053,30 +2053,16 @@
 Limit);%0A
-            %7D%0A
         
@@ -2080,23 +2080,19 @@
 irationD
-uration
+ays
  %3E 0) %7B%0A
@@ -2109,209 +2109,135 @@
     
-Calendar cal = Calendar.getInstance();%0A              cal.add(Calendar.DATE, expirationDuration);%0A              Date expirationTime = cal.getTime();%0A              entity.setExpirationTime(expirationTime
+  entity.setExpirationTime(%0A                    new Date(System.currentTimeMillis() + (long) expirationDays * 24 * 3600 * 1000)
 );%0A 

Update as per code review