<?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); |
$query = $conn->prepare($query); |
if (!$result) { |
$query->bindParam(":tripID", $tripID); |
databaseError(pg_result_error($result)); |
$query->execute(); |
return Array(); |
if (!$query) { |
} |
databaseError($conn->errorInfo()); |
return pg_fetch_assoc($result); |
return Array(); |
|
} |
|
return $query->fetch(PDO::FETCH_ASSOC); |
} |
} |
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, $range = "") |
function getTimeInterpolatedTrip($tripID, $range = "") |
{ |
{ |
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' $range ORDER BY stop_sequence"; |
WHERE trips.trip_id = :tripID $range ORDER BY stop_sequence"; |
debug($query, "database"); |
debug($query, "database"); |
$result = pg_query($conn, $query); |
$query = $conn->prepare($query); |
if (!$result) { |
$query->bindParam(":tripID", $tripID); |
databaseError(pg_result_error($result)); |
$query->execute(); |
return Array(); |
if (!$query) { |
} |
databaseError($conn->errorInfo()); |
$stopTimes = pg_fetch_all($result); |
return Array(); |
|
} |
|
$stopTimes = $query->fetchAll(); |
$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 { |
} |
$stopTime["arrival_time"] = $cur_timepoint["arrival_time"]; |
else { |
|
$stopTime["arrival_time"] = $cur_timepoint["arrival_time"]; |
} |
} |
$rv[] = $stopTime; |
$rv[] = $stopTime; |
//var_dump($rv); |
//var_dump($rv); |
|
|
} |
} |
} |
} |
return $rv; |
return $rv; |
} |
} |
function getTimeInterpolatedTripAtStop($tripID, $stop_sequence) |
function getTripPreviousTimePoint($tripID, $stop_sequence) |
{ |
{ |
global $conn; |
global $conn; |
// limit interpolation to between nearest actual points. |
$query = " SELECT trip_id,stop_id, |
$prevTimePoint = pg_fetch_assoc(pg_query($conn," SELECT trip_id,stop_id, |
|
stop_sequence |
stop_sequence |
FROM stop_times |
FROM stop_times |
WHERE trip_id = '$tripID' and stop_sequence < $stop_sequence and stop_times.arrival_time IS NOT NULL ORDER BY stop_sequence DESC LIMIT 1")); |
WHERE trip_id = :tripID and stop_sequence < :stop_sequence |
$nextTimePoint = pg_fetch_assoc(pg_query($conn," SELECT trip_id,stop_id, |
and stop_times.arrival_time IS NOT NULL ORDER BY stop_sequence DESC LIMIT 1"; |
|
debug($query, "database"); |
|
$query = $conn->prepare($query); |
|
$query->bindParam(":tripID", $tripID); |
|
$query->bindParam(":stop_sequence", $stop_sequence); |
|
$query->execute(); |
|
if (!$query) { |
|
databaseError($conn->errorInfo()); |
|
return Array(); |
|
} |
|
return $query->fetch(PDO::FETCH_ASSOC); |
|
} |
|
function getTripNextTimePoint($tripID, $stop_sequence) |
|
{ |
|
global $conn; |
|
$query = " SELECT trip_id,stop_id, |
stop_sequence |
stop_sequence |
FROM stop_times |
FROM stop_times |
WHERE trip_id = '$tripID' and stop_sequence > $stop_sequence and stop_times.arrival_time IS NOT NULL ORDER BY stop_sequence LIMIT 1")); |
WHERE trip_id = :tripID and stop_sequence > :stop_sequence |
$range = "AND stop_sequence >= '{$prevTimePoint['stop_sequence']}' AND stop_sequence <= '{$nextTimePoint['stop_sequence']}'"; |
and stop_times.arrival_time IS NOT NULL ORDER BY stop_sequence LIMIT 1"; |
foreach (getTimeInterpolatedTrip($tripID,$range) as $tripStop) { |
debug($query, "database"); |
|
$query = $conn->prepare($query); |
|
$query->bindParam(":tripID", $tripID); |
|
$query->bindParam(":stop_sequence", $stop_sequence); |
|
$query->execute(); |
|
if (!$query) { |
|
databaseError($conn->errorInfo()); |
|
return Array(); |
|
} |
|
return $query->fetch(PDO::FETCH_ASSOC); |
|
} |
|
function getTimeInterpolatedTripAtStop($tripID, $stop_sequence) |
|
{ |
|
global $conn; |
|
// limit interpolation to between nearest actual points. |
|
$prevTimePoint = getTripPreviousTimePoint($tripID, $stop_sequence); |
|
$nextTimePoint = getTripNextTimePoint($tripID, $stop_sequence); |
|
$range = "AND stop_sequence >= '{$prevTimePoint['stop_sequence']}' AND stop_sequence <= '{$nextTimePoint['stop_sequence']}'"; |
|
foreach (getTimeInterpolatedTrip($tripID, $range) as $tripStop) { |
if ($tripStop['stop_sequence'] == $stop_sequence) return $tripStop; |
if ($tripStop['stop_sequence'] == $stop_sequence) 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); |
$query = $conn->prepare($query); |
if (!$result) { |
$query->bindParam(":tripID", $tripID); |
databaseError(pg_result_error($result)); |
$query->execute(); |
return Array(); |
if (!$query) { |
} |
databaseError($conn->errorInfo()); |
$r = pg_fetch_assoc($result); |
return Array(); |
|
} |
|
$r = $query->fetch(PDO::FETCH_ASSOC); |
return $r['arrival_time']; |
return $r['arrival_time']; |
} |
} |
function getActiveTrips($time) |
function getActiveTrips($time) |
{ |
{ |
global $conn; |
global $conn; |
if ($time == "") $time = current_time(); |
if ($time == "") $time = current_time(); |
$query = "Select distinct stop_times.trip_id, start_times.arrival_time as start_time, end_times.arrival_time as end_time from stop_times, (SELECT trip_id,arrival_time from stop_times WHERE stop_times.arrival_time IS NOT NULL |
$query = "Select distinct stop_times.trip_id, start_times.arrival_time as start_time, end_times.arrival_time as end_time from stop_times, (SELECT trip_id,arrival_time from stop_times WHERE stop_times.arrival_time IS NOT NULL |
AND stop_sequence = '1') as start_times, (SELECT trip_id,max(arrival_time) as arrival_time from stop_times WHERE stop_times.arrival_time IS NOT NULL group by trip_id) as end_times |
AND stop_sequence = '1') as start_times, (SELECT trip_id,max(arrival_time) as arrival_time from stop_times WHERE stop_times.arrival_time IS NOT NULL group by trip_id) as end_times |
WHERE start_times.trip_id = end_times.trip_id AND stop_times.trip_id = end_times.trip_id AND $time > start_times.arrival_time AND $time < end_times.arrival_time"; |
WHERE start_times.trip_id = end_times.trip_id AND stop_times.trip_id = end_times.trip_id AND :time > start_times.arrival_time AND :time < end_times.arrival_time"; |
debug($query, "database"); |
debug($query, "database"); |
$result = pg_query($conn, $query); |
$query = $conn->prepare($query); |
if (!$result) { |
$query->bindParam(":time", $time); |
databaseError(pg_result_error($result)); |
$query->execute(); |
return Array(); |
if (!$query) { |
} |
databaseError($conn->errorInfo()); |
return pg_fetch_all($result); |
return Array(); |
} |
} |
|
return $query->fetchAll(); |
function viaPoints($tripid, $stop_sequence = "") |
} |
|
function viaPoints($tripID, $stop_sequence = "") |
{ |
{ |
global $conn; |
global $conn; |
$query = "SELECT stops.stop_id, stop_name, arrival_time |
$query = "SELECT stops.stop_id, stop_name, arrival_time |
FROM stop_times join stops on stops.stop_id = stop_times.stop_id |
FROM stop_times join stops on stops.stop_id = stop_times.stop_id |
WHERE stop_times.trip_id = '$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"); |
$query = $conn->prepare($query); |
$result = pg_query($conn, $query); |
if ($stop_sequence != "") $query->bindParam(":stop_sequence", $stop_sequence); |
if (!$result) { |
$query->bindParam(":tripID", $tripID); |
databaseError(pg_result_error($result)); |
$query->execute(); |
return Array(); |
if (!$query) { |
} |
databaseError($conn->errorInfo()); |
return pg_fetch_all($result); |
return Array(); |
|
} |
|
return $query->fetchAll(); |
} |
} |
function viaPointNames($tripid, $stop_sequence = "") |
function viaPointNames($tripid, $stop_sequence = "") |
{ |
{ |
$viaPointNames = Array(); |
$viaPointNames = Array(); |
foreach(viaPoints($tripid, $stop_sequence) as $point) { |
foreach (viaPoints($tripid, $stop_sequence) as $point) { |
$viaPointNames[] = $point['stop_name']; |
$viaPointNames[] = $point['stop_name']; |
} |
} |
return r_implode(", ", $viaPointNames); |
if (sizeof($viaPointNames) > 0) { |
|
return r_implode(", ", $viaPointNames); |
|
} |
|
else { |
|
return ""; |
|
} |
} |
} |
?> |
?> |