| <?php | <?php |
| function getTrip($tripID) { | function getTrip($tripID) |
| global $conn; | { |
| $query = "Select * from trips where trip_id = '$tripID' join routes on trips.route_id = routes.route_id LIMIT 1"; | global $conn; |
| debug($query,"database"); | $query = "Select * from trips where trip_id = '$tripID' join routes on trips.route_id = routes.route_id LIMIT 1"; |
| debug($query, "database"); | |
| $result = pg_query($conn, $query); | $result = pg_query($conn, $query); |
| if (!$result) { | if (!$result) { |
| databaseError(pg_result_error($result)); | databaseError(pg_result_error($result)); |
| return Array(); | return Array(); |
| } | } |
| return pg_fetch_assoc($result); | return pg_fetch_assoc($result); |
| } | |
| function getTripShape() { | |
| /* def handle_json_GET_tripstoptimes(self, params): | |
| schedule = self.server.schedule | |
| try: | |
| trip = schedule.GetTrip(params.get('trip')) | |
| except KeyError: | |
| # if a non-existent trip is searched for, the return nothing | |
| return | |
| time_stops = trip.GetTimeInterpolatedStops() | |
| stops = [] | |
| times = [] | |
| for arr,ts,is_timingpoint in time_stops: | |
| stops.append(StopToTuple(ts.stop)) | |
| times.append(arr) | |
| return [stops, times] | |
| def handle_json_GET_tripshape(self, params): | |
| schedule = self.server.schedule | |
| try: | |
| trip = schedule.GetTrip(params.get('trip')) | |
| except KeyError: | |
| # if a non-existent trip is searched for, the return nothing | |
| return | |
| points = [] | |
| if trip.shape_id: | |
| shape = schedule.GetShape(trip.shape_id) | |
| for (lat, lon, dist) in shape.points: | |
| points.append((lat, lon)) | |
| else: | |
| time_stops = trip.GetTimeStops() | |
| for arr,dep,stop in time_stops: | |
| points.append((stop.stop_lat, stop.stop_lon)) | |
| return points*/ | |
| } | } |
| function getTimeInterpolatedTrip($tripID) { | function getTripShape() |
| /* rv = [] | { |
| /* def handle_json_GET_tripstopTimes(self, params): | |
| stoptimes = self.GetStopTimes() | schedule = self.server.schedule |
| # If there are no stoptimes [] is the correct return value but if the start | try: |
| # or end are missing times there is no correct return value. | trip = schedule.GetTrip(params.get('trip')) |
| if not stoptimes: | except KeyError: |
| return [] | # if a non-existent trip is searched for, the return nothing |
| if (stoptimes[0].GetTimeSecs() is None or | return |
| stoptimes[-1].GetTimeSecs() is None): | time_stops = trip.GetTimeInterpolatedStops() |
| raise ValueError("%s must have time at first and last stop" % (self)) | stops = [] |
| times = [] | |
| cur_timepoint = None | for arr,ts,is_timingpoint in time_stops: |
| next_timepoint = None | stops.append(StopToTuple(ts.stop)) |
| distance_between_timepoints = 0 | times.append(arr) |
| distance_traveled_between_timepoints = 0 | return [stops, times] |
| for i, st in enumerate(stoptimes): | def handle_json_GET_tripshape(self, params): |
| if st.GetTimeSecs() != None: | schedule = self.server.schedule |
| cur_timepoint = st | try: |
| distance_between_timepoints = 0 | trip = schedule.GetTrip(params.get('trip')) |
| distance_traveled_between_timepoints = 0 | except KeyError: |
| if i + 1 < len(stoptimes): | # if a non-existent trip is searched for, the return nothing |
| k = i + 1 | return |
| distance_between_timepoints += util.ApproximateDistanceBetweenStops(stoptimes[k-1].stop, stoptimes[k].stop) | points = [] |
| while stoptimes[k].GetTimeSecs() == None: | if trip.shape_id: |
| k += 1 | shape = schedule.GetShape(trip.shape_id) |
| distance_between_timepoints += util.ApproximateDistanceBetweenStops(stoptimes[k-1].stop, stoptimes[k].stop) | for (lat, lon, dist) in shape.points: |
| next_timepoint = stoptimes[k] | points.append((lat, lon)) |
| rv.append( (st.GetTimeSecs(), st, True) ) | else: |
| else: | time_stops = trip.GetTimeStops() |
| distance_traveled_between_timepoints += util.ApproximateDistanceBetweenStops(stoptimes[i-1].stop, st.stop) | for arr,dep,stop in time_stops: |
| distance_percent = distance_traveled_between_timepoints / distance_between_timepoints | points.append((stop.stop_lat, stop.stop_lon)) |
| total_time = next_timepoint.GetTimeSecs() - cur_timepoint.GetTimeSecs() | return points*/ |
| time_estimate = distance_percent * total_time + cur_timepoint.GetTimeSecs() | |
| rv.append( (int(round(time_estimate)), st, False) ) | |
| return rv*/ | |
| } | } |
| function getTimeInterpolatedTripAtStop($trip_id, $stop_sequence) { | function getTimeInterpolatedTrip($tripID) |
| foreach(getTimeInterpolatedTrip($tripID) as $tripStop) { | { |
| if ($tripStop['stop_sequence'] == $stop_sequence) return $tripStop; | global $conn; |
| } | $query = "SELECT stop_times.trip_id,arrival_time,stop_times.stop_id,stop_lat,stop_lon, |
| return Array(); | stop_sequence,service_id,trips.route_id,route_short_name,route_long_name |
| FROM stop_times | |
| join trips on trips.trip_id = stop_times.trip_id | |
| join routes on trips.route_id = routes.route_id | |
| join stops on stops.stop_id = stop_times.stop_id | |
| WHERE trips.trip_id = '$tripID' ORDER BY stop_sequence"; | |
| debug($query, "database"); | |
| $result = pg_query($conn, $query); | |
| if (!$result) { | |
| databaseError(pg_result_error($result)); | |
| return Array(); | |
| } | |
| $stopTimes = pg_fetch_all($result); | |
| $cur_timepoint = Array(); | |
| $next_timepoint = Array(); | |
| $distance_between_timepoints = 0.0; | |
| $distance_traveled_between_timepoints = 0.0; | |
| $rv = Array(); | |
| foreach ($stopTimes as $i => $stopTime) { | |
| if ($stopTime['arrival_time'] != "") { | |
| // is timepoint | |
| $cur_timepoint = $stopTime; | |
| $distance_between_timepoints = 0.0; | |
| $distance_traveled_between_timepoints = 0.0; | |
| if ($i + 1 < sizeof($stopTimes)) { | |
| $k = $i + 1; | |
| $distance_between_timepoints += distance($stopTimes[$k - 1]["stop_lat"], $stopTimes[$k - 1]["stop_lon"], $stopTimes[$k]["stop_lat"], $stopTimes[$k]["stop_lon"]); | |
| while ($stopTimes[$k]["arrival_time"] == "" && $k + 1 < sizeof($stopTimes)) { | |
| $k += 1; | |
| //echo "k".$k; | |
| $distance_between_timepoints += distance($stopTimes[$k - 1]["stop_lat"], $stopTimes[$k - 1]["stop_lon"], $stopTimes[$k]["stop_lat"], $stopTimes[$k]["stop_lon"]); | |
| } | |
| $next_timepoint = $stopTimes[$k]; | |
| $rv[] = $stopTime; | |
| } | |
| } | |
| else { | |
| // is untimed point | |
| //echo "i".$i; | |
| $distance_traveled_between_timepoints += distance($stopTimes[$i - 1]["stop_lat"], $stopTimes[$i - 1]["stop_lon"], $stopTimes[$i]["stop_lat"], $stopTimes[$i]["stop_lon"]); | |
| //echo "$distance_traveled_between_timepoints / $distance_between_timepoints<br>"; | |
| $distance_percent = $distance_traveled_between_timepoints / $distance_between_timepoints; | |
| if ($next_timepoint["arrival_time"] != "") { | |
| $total_time = strtotime($next_timepoint["arrival_time"]) - strtotime($cur_timepoint["arrival_time"]); | |
| //echo strtotime($next_timepoint["arrival_time"])." - ".strtotime($cur_timepoint["arrival_time"])."<br>"; | |
| $time_estimate = ($distance_percent * $total_time) + strtotime($cur_timepoint["arrival_time"]); | |
| $stopTime["arrival_time"] = date("H:i:s", $time_estimate); | |
| } else { | |
| $stopTime["arrival_time"] = $cur_timepoint["arrival_time"]; | |
| } | |
| $rv[] = $stopTime; | |
| //var_dump($rv); | |
| } | |
| } | |
| return $rv; | |
| } | } |
| function getTimeInterpolatedTripAtStop($tripID, $stop_sequence) | |
| function getTripStartTime($tripID) { | { |
| $query = 'SELECT arrival_secs,departure_secs FROM stop_times WHERE trip_id=? ORDER BY stop_sequence LIMIT 1'; | foreach (getTimeInterpolatedTrip($tripID) as $tripStop) { |
| if ($tripStop['stop_sequence'] == $stop_sequence) return $tripStop; | |
| } | |
| return Array(); | |
| } | } |
| function getTripStartTime($tripID) | |
| { | |
| global $conn; | |
| $query = "Select * from stop_times | |
| where trip_id = '$tripID' | |
| AND arrival_time IS NOT NULL | |
| AND stop_sequence = '1'"; | |
| debug($query, "database"); | |
| $result = pg_query($conn, $query); | |
| if (!$result) { | |
| databaseError(pg_result_error($result)); | |
| return Array(); | |
| } | |
| $r = pg_fetch_assoc($result); | |
| return $r['arrival_time']; | |
| } | |
| function viaPointNames($tripid, $stopid) | function viaPointNames($tripid, $stopid) |
| { | { |
| global $conn; | global $conn; |
| $query = "SELECT stop_name | $query = "SELECT stop_name |
| FROM stop_times join stops on stops.stop_id = stop_times.stop_id | FROM stop_times join stops on stops.stop_id = stop_times.stop_id |
| WHERE stop_times.trip_id = '$tripid' | WHERE stop_times.trip_id = '$tripid' |
| AND stop_sequence > '$stop_sequence' | AND stop_sequence > '$stop_sequence' |
| AND substr(stop_code,1,2) != 'Wj' ORDER BY stop_sequence"; | AND substr(stop_code,1,2) != 'Wj' ORDER BY stop_sequence"; |
| debug($query,"database"); | debug($query, "database"); |
| $result = pg_query($conn, $query); | $result = pg_query($conn, $query); |
| if (!$result) { | if (!$result) { |
| databaseError(pg_result_error($result)); | databaseError(pg_result_error($result)); |
| return Array(); | return Array(); |
| } | } |
| $pointNames = pg_fetch_all($result); | $pointNames = pg_fetch_all($result); |
| return r_implode(", ", $pointNames); | return r_implode(", ", $pointNames); |
| } | } |
| ?> | ?> |