Better time management, times on nearby routes
[busui.git] / include / db / trip-dao.inc.php
blob:a/include/db/trip-dao.inc.php -> blob:b/include/db/trip-dao.inc.php
<?php <?php
function getTrip($tripID) function getTrip($tripID)
{ {
global $conn; global $conn;
$query = "Select * from trips $query = "Select * from trips
join routes on trips.route_id = routes.route_id join routes on trips.route_id = routes.route_id
where trip_id = '$tripID' where trip_id = '$tripID'
LIMIT 1"; LIMIT 1";
debug($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($result));
return Array(); return Array();
} }
return pg_fetch_assoc($result); return pg_fetch_assoc($result);
} }
function getTripShape() function getTripShape()
{ {
/* def handle_json_GET_tripstopTimes(self, params): /* def handle_json_GET_tripstopTimes(self, params):
schedule = self.server.schedule schedule = self.server.schedule
try: try:
trip = schedule.GetTrip(params.get('trip')) trip = schedule.GetTrip(params.get('trip'))
except KeyError: except KeyError:
# if a non-existent trip is searched for, the return nothing # if a non-existent trip is searched for, the return nothing
return return
time_stops = trip.GetTimeInterpolatedStops() time_stops = trip.GetTimeInterpolatedStops()
stops = [] stops = []
times = [] times = []
for arr,ts,is_timingpoint in time_stops: for arr,ts,is_timingpoint in time_stops:
stops.append(StopToTuple(ts.stop)) stops.append(StopToTuple(ts.stop))
times.append(arr) times.append(arr)
return [stops, times] return [stops, times]
def handle_json_GET_tripshape(self, params): def handle_json_GET_tripshape(self, params):
schedule = self.server.schedule schedule = self.server.schedule
try: try:
trip = schedule.GetTrip(params.get('trip')) trip = schedule.GetTrip(params.get('trip'))
except KeyError: except KeyError:
# if a non-existent trip is searched for, the return nothing # if a non-existent trip is searched for, the return nothing
return return
points = [] points = []
if trip.shape_id: if trip.shape_id:
shape = schedule.GetShape(trip.shape_id) shape = schedule.GetShape(trip.shape_id)
for (lat, lon, dist) in shape.points: for (lat, lon, dist) in shape.points:
points.append((lat, lon)) points.append((lat, lon))
else: else:
time_stops = trip.GetTimeStops() time_stops = trip.GetTimeStops()
for arr,dep,stop in time_stops: for arr,dep,stop in time_stops:
points.append((stop.stop_lat, stop.stop_lon)) points.append((stop.stop_lat, stop.stop_lon))
return points*/ return points*/
} }
function getTimeInterpolatedTrip($tripID) function getTimeInterpolatedTrip($tripID)
{ {
global $conn; global $conn;
$query = "SELECT stop_times.trip_id,arrival_time,stop_times.stop_id,stop_lat,stop_lon,stop_name,stop_code, $query = "SELECT stop_times.trip_id,arrival_time,stop_times.stop_id,stop_lat,stop_lon,stop_name,stop_code,
stop_sequence,service_id,trips.route_id,route_short_name,route_long_name stop_sequence,service_id,trips.route_id,route_short_name,route_long_name
FROM stop_times FROM stop_times
join trips on trips.trip_id = stop_times.trip_id join trips on trips.trip_id = stop_times.trip_id
join routes on trips.route_id = routes.route_id join routes on trips.route_id = routes.route_id
join stops on stops.stop_id = stop_times.stop_id join stops on stops.stop_id = stop_times.stop_id
WHERE trips.trip_id = '$tripID' ORDER BY stop_sequence"; WHERE trips.trip_id = '$tripID' ORDER BY stop_sequence";
debug($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();
} }
$stopTimes = pg_fetch_all($result); $stopTimes = pg_fetch_all($result);
$cur_timepoint = Array(); $cur_timepoint = Array();
$next_timepoint = Array(); $next_timepoint = Array();
$distance_between_timepoints = 0.0; $distance_between_timepoints = 0.0;
$distance_traveled_between_timepoints = 0.0; $distance_traveled_between_timepoints = 0.0;
$rv = Array(); $rv = Array();
foreach ($stopTimes as $i => $stopTime) { foreach ($stopTimes as $i => $stopTime) {
if ($stopTime['arrival_time'] != "") { if ($stopTime['arrival_time'] != "") {
// is timepoint // is timepoint
$cur_timepoint = $stopTime; $cur_timepoint = $stopTime;
$distance_between_timepoints = 0.0; $distance_between_timepoints = 0.0;
$distance_traveled_between_timepoints = 0.0; $distance_traveled_between_timepoints = 0.0;
if ($i + 1 < sizeof($stopTimes)) { if ($i + 1 < sizeof($stopTimes)) {
$k = $i + 1; $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"]); $distance_between_timepoints += distance($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)) { while ($stopTimes[$k]["arrival_time"] == "" && $k + 1 < sizeof($stopTimes)) {
$k += 1; $k += 1;
//echo "k".$k; //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"]); $distance_between_timepoints += distance($stopTimes[$k - 1]["stop_lat"], $stopTimes[$k - 1]["stop_lon"], $stopTimes[$k]["stop_lat"], $stopTimes[$k]["stop_lon"]);
} }
$next_timepoint = $stopTimes[$k]; $next_timepoint = $stopTimes[$k];
$rv[] = $stopTime; $rv[] = $stopTime;
} }
} }
else { else {
// is untimed point // is untimed point
//echo "i".$i; //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"]); $distance_traveled_between_timepoints += distance($stopTimes[$i - 1]["stop_lat"], $stopTimes[$i - 1]["stop_lon"], $stopTimes[$i]["stop_lat"], $stopTimes[$i]["stop_lon"]);
//echo "$distance_traveled_between_timepoints / $distance_between_timepoints<br>"; //echo "$distance_traveled_between_timepoints / $distance_between_timepoints<br>";
$distance_percent = $distance_traveled_between_timepoints / $distance_between_timepoints; $distance_percent = $distance_traveled_between_timepoints / $distance_between_timepoints;
if ($next_timepoint["arrival_time"] != "") { if ($next_timepoint["arrival_time"] != "") {
$total_time = strtotime($next_timepoint["arrival_time"]) - strtotime($cur_timepoint["arrival_time"]); $total_time = strtotime($next_timepoint["arrival_time"]) - strtotime($cur_timepoint["arrival_time"]);
//echo strtotime($next_timepoint["arrival_time"])." - ".strtotime($cur_timepoint["arrival_time"])."<br>"; //echo strtotime($next_timepoint["arrival_time"])." - ".strtotime($cur_timepoint["arrival_time"])."<br>";
$time_estimate = ($distance_percent * $total_time) + strtotime($cur_timepoint["arrival_time"]); $time_estimate = ($distance_percent * $total_time) + strtotime($cur_timepoint["arrival_time"]);
$stopTime["arrival_time"] = date("H:i:s", $time_estimate); $stopTime["arrival_time"] = date("H:i:s", $time_estimate);
} else { } else {
$stopTime["arrival_time"] = $cur_timepoint["arrival_time"]; $stopTime["arrival_time"] = $cur_timepoint["arrival_time"];
} }
$rv[] = $stopTime; $rv[] = $stopTime;
//var_dump($rv); //var_dump($rv);
} }
} }
return $rv; return $rv;
} }
function getTimeInterpolatedTripAtStop($tripID, $stop_sequence) function getTimeInterpolatedTripAtStop($tripID, $stop_sequence, $stop_id = "")
{ {
foreach (getTimeInterpolatedTrip($tripID) as $tripStop) { foreach (getTimeInterpolatedTrip($tripID) as $tripStop) {
if ($tripStop['stop_sequence'] == $stop_sequence) return $tripStop; if ($tripStop['stop_sequence'] == $stop_sequence) return $tripStop;
  if ($tripStop['stop_id'] == $stop_id) return $tripStop;
} }
return Array(); return Array();
} }
function getTripStartTime($tripID) function getTripStartTime($tripID)
{ {
global $conn; global $conn;
$query = "Select * from stop_times $query = "Select * from stop_times
where trip_id = '$tripID' where trip_id = '$tripID'
AND arrival_time IS NOT NULL AND arrival_time IS NOT NULL
AND stop_sequence = '1'"; AND stop_sequence = '1'";
debug($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();
} }
$r = pg_fetch_assoc($result); $r = pg_fetch_assoc($result);
return $r['arrival_time']; return $r['arrival_time'];
} }
function viaPointNames($tripid, $stop_sequence = "") function viaPointNames($tripid, $stop_sequence = "")
{ {
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 = '$tripid'
".($stop_sequence != "" ? "AND stop_sequence > '$stop_sequence'" : ""). ".($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);
} }
?> ?>