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/*
* Southampton University Map App
* Copyright (C) 2011 Christopher Baines
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package net.cbaines.suma;
import java.sql.SQLException;
import java.util.List;
import android.content.Context;
import android.util.Log;
import com.j256.ormlite.android.apptools.OpenHelperManager;
import com.j256.ormlite.dao.Dao;
import com.j256.ormlite.field.DatabaseField;
import com.j256.ormlite.stmt.PreparedQuery;
import com.j256.ormlite.stmt.QueryBuilder;
import com.j256.ormlite.table.DatabaseTable;
@DatabaseTable(tableName = "busroutes")
/**
* This class represents a bus route (U1, U1N, ..).
*
* @author Christopher Baines <cbaines8@gmail.com>
*
*/
public class BusRoute {
final static String ID_FIELD_NAME = "id";
final static String CODE_FIELD_NAME = "code";
final static String LABEL_FIELD_NAME = "label";
private static final String TAG = "BusRoute";
@DatabaseField(id = true)
int id;
@DatabaseField
String code;
@DatabaseField
String label;
BusRoute() {
}
BusRoute(Integer id, String code, String label) {
this.id = id.intValue();
this.code = code;
this.label = label;
}
public String toString() {
return code;
}
/**
* Untested?
*
* @param context
* @param stop
* @return
*/
BusStop getBusStopBefore(Context context, Stop stop) {
return moveInRoute(context, stop, -1);
}
/**
* Untested?
*
* @param context
* @param stop
* @return
*/
BusStop getStopAfter(Context context, Stop stop) {
return moveInRoute(context, stop, 1);
}
/**
* Untested?
*
* @param context
* @param stop
* @param moveAmount
* @return
*/
BusStop moveInRoute(Context context, Stop stop, int moveAmount) {
DatabaseHelper helper = OpenHelperManager.getHelper(context, DatabaseHelper.class);
try {
Dao<RouteStops, Integer> routeStopsDao = helper.getRouteStopsDao();
// Dao<Stop, Integer> stopDao = helper.getStopDao();
Dao<BusStop, String> busStopDao = helper.getBusStopDao();
int stopSeq;
int beforeStopSeq = -1;
QueryBuilder<RouteStops, Integer> routeStopsQueryBuilder = routeStopsDao.queryBuilder();
routeStopsQueryBuilder.where().eq(RouteStops.ROUTE_ID_FIELD_NAME, this.id).and().eq(RouteStops.STOP_ID_FIELD_NAME, stop.busStop.id);
PreparedQuery<RouteStops> routeStopsPreparedQuery = routeStopsQueryBuilder.prepare();
List<RouteStops> stopsFound = routeStopsDao.query(routeStopsPreparedQuery);
if (stopsFound.size() != 0) {
Log.e(TAG, "Wierd, found more than one stop");
return null;
}
long maxSeq = 0;
routeStopsQueryBuilder = routeStopsDao.queryBuilder();
routeStopsQueryBuilder.where().eq(RouteStops.ROUTE_ID_FIELD_NAME, this.id);
routeStopsQueryBuilder.setCountOf(true);
routeStopsPreparedQuery = routeStopsQueryBuilder.prepare();
maxSeq = routeStopsDao.countOf(routeStopsPreparedQuery);
if (maxSeq == 0) {
Log.e(TAG, "Something wierd has gone on, maxSeq equals 0");
return null;
}
if (id == 326) { // U1
if (stop.name.equals("U1C")) {// Seq 0 = End of route
stopSeq = routeStopsDao.query(routeStopsPreparedQuery).get(0).sequence;
beforeStopSeq = stopSeq + moveAmount;
} else if (stop.name.equals("U1A")) { // seq 88 == end of route
stopSeq = routeStopsDao.query(routeStopsPreparedQuery).get(0).sequence;
beforeStopSeq = stopSeq - moveAmount;
} else {
Log.e(TAG, "In route U1 but " + stop.name + " does not match U1A or U1C");
return null;
}
} else {
Log.e(TAG, "Route id not recognised " + id);
return null;
}
if (beforeStopSeq == -1) {
Log.e(TAG, "Something wierd has gone on, beforeStopSeq equals -1");
return null;
}
routeStopsQueryBuilder = routeStopsDao.queryBuilder();
routeStopsQueryBuilder.where().eq(RouteStops.ROUTE_ID_FIELD_NAME, this.id).and().eq(RouteStops.SEQUENCE_ID_FIELD_NAME, beforeStopSeq);
routeStopsPreparedQuery = routeStopsQueryBuilder.prepare();
List<RouteStops> beforeStopsFound = routeStopsDao.query(routeStopsPreparedQuery);
if (stopsFound.size() != 0) {
Log.e(TAG, "Wierd, found more than one before stop");
return null;
}
busStopDao.refresh(beforeStopsFound.get(0).stop);
return beforeStopsFound.get(0).stop;
} catch (SQLException e) {
e.printStackTrace();
return null;
}
}
}
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