<?php |
<?php |
function getTrip($tripID) |
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{ |
/* |
global $conn; |
* Copyright 2010,2011 Alexander Sadleir |
$query = "Select * from trips |
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Licensed under the Apache License, Version 2.0 (the "License"); |
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you may not use this file except in compliance with the License. |
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You may obtain a copy of the License at |
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http://www.apache.org/licenses/LICENSE-2.0 |
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Unless required by applicable law or agreed to in writing, software |
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distributed under the License is distributed on an "AS IS" BASIS, |
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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See the License for the specific language governing permissions and |
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limitations under the License. |
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*/ |
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function getTrip($tripID) { |
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global $conn; |
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$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"); |
$query = $conn->prepare($query); |
$query = $conn->prepare($query); |
$query->bindParam(":tripID", $tripID); |
$query->bindParam(":tripID", $tripID); |
$query->execute(); |
$query->execute(); |
if (!$query) { |
if (!$query) { |
databaseError($conn->errorInfo()); |
databaseError($conn->errorInfo()); |
return Array(); |
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} |
return Array(); |
return $query->fetch(PDO::FETCH_ASSOC); |
} |
} |
return $query->fetch(PDO :: FETCH_ASSOC); |
function getTripShape() |
} |
{ |
function getTripStops($tripID) { |
/* def handle_json_GET_tripstopTimes(self, params): |
global $conn; |
schedule = self.server.schedule |
$query = "SELECT stops.stop_id, stop_name, ST_AsKML(position) as positionkml, |
try: |
stop_sequence, trips.trip_id |
trip = schedule.GetTrip(params.get('trip')) |
FROM stop_times |
except KeyError: |
join trips on trips.trip_id = stop_times.trip_id |
# if a non-existent trip is searched for, the return nothing |
join stops on stops.stop_id = stop_times.stop_id |
return |
WHERE trips.trip_id = :tripID ORDER BY stop_sequence"; |
time_stops = trip.GetTimeInterpolatedStops() |
debug($query, "database"); |
stops = [] |
$query = $conn->prepare($query); |
times = [] |
$query->bindParam(":tripID", $tripID); |
for arr,ts,is_timingpoint in time_stops: |
$query->execute(); |
stops.append(StopToTuple(ts.stop)) |
if (!$query) { |
times.append(arr) |
databaseError($conn->errorInfo()); |
return [stops, times] |
return Array(); |
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} |
def handle_json_GET_tripshape(self, params): |
return $query->fetchAll(); |
schedule = self.server.schedule |
} |
try: |
function getTripShape($tripID) { |
trip = schedule.GetTrip(params.get('trip')) |
// todo, use shapes table if shape_id specified |
except KeyError: |
global $conn; |
# if a non-existent trip is searched for, the return nothing |
$query = "SELECT ST_AsKML(ST_MakeLine(geometry(a.shape_pt))) as the_route |
return |
FROM (SELECT shapes.shape_id,shape_pt from shapes |
points = [] |
inner join trips on shapes.shape_id = trips.shape_id |
if trip.shape_id: |
WHERE trips.trip_id = :tripID ORDER BY shape_pt_sequence) as a group by a.shape_id"; |
shape = schedule.GetShape(trip.shape_id) |
debug($query, "database"); |
for (lat, lon, dist) in shape.points: |
$query = $conn->prepare($query); |
points.append((lat, lon)) |
$query->bindParam(":tripID", $tripID); |
else: |
$query->execute(); |
time_stops = trip.GetTimeStops() |
if (!$query) { |
for arr,dep,stop in time_stops: |
databaseError($conn->errorInfo()); |
points.append((stop.stop_lat, stop.stop_lon)) |
return Array(); |
return points*/ |
} |
} |
return $query->fetchColumn(0); |
function getTimeInterpolatedTrip($tripID, $range = "") |
} |
{ |
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global $conn; |
function getTripStopTimes($tripID) { |
$query = "SELECT stop_times.trip_id,arrival_time,stop_times.stop_id,stop_lat,stop_lon,stop_name,stop_code, |
global $conn; |
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$query = "SELECT stop_times.trip_id,trip_headsign,arrival_time,stop_times.stop_id |
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,stop_lat,stop_lon,stop_name,stop_desc,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 $range ORDER BY stop_sequence"; |
WHERE trips.trip_id = :tripID ORDER BY stop_sequence"; |
debug($query, "database"); |
debug($query, "database"); |
$query = $conn->prepare($query); |
$query = $conn->prepare($query); |
$query->bindParam(":tripID", $tripID); |
$query->bindParam(":tripID", $tripID); |
$query->execute(); |
$query->execute(); |
if (!$query) { |
if (!$query) { |
databaseError($conn->errorInfo()); |
databaseError($conn->errorInfo()); |
return Array(); |
return Array(); |
} |
} |
$stopTimes = $query->fetchAll(); |
$stopTimes = $query->fetchAll(); |
$cur_timepoint = Array(); |
return $stopTimes; |
$next_timepoint = Array(); |
} |
$distance_between_timepoints = 0.0; |
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$distance_traveled_between_timepoints = 0.0; |
function getTripAtStop($tripID, $stop_sequence) { |
$rv = Array(); |
global $conn; |
foreach ($stopTimes as $i => $stopTime) { |
foreach (getTripStopTimes($tripID) as $tripStop) { |
if ($stopTime['arrival_time'] != "") { |
if ($tripStop['stop_sequence'] == $stop_sequence) |
// is timepoint |
return $tripStop; |
$cur_timepoint = $stopTime; |
} |
$distance_between_timepoints = 0.0; |
return Array(); |
$distance_traveled_between_timepoints = 0.0; |
} |
if ($i + 1 < sizeof($stopTimes)) { |
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$k = $i + 1; |
function getTripStartTime($tripID) { |
$distance_between_timepoints+= distance($stopTimes[$k - 1]["stop_lat"], $stopTimes[$k - 1]["stop_lon"], $stopTimes[$k]["stop_lat"], $stopTimes[$k]["stop_lon"]); |
global $conn; |
while ($stopTimes[$k]["arrival_time"] == "" && $k + 1 < sizeof($stopTimes)) { |
$query = "Select * from stop_times |
$k+= 1; |
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//echo "k".$k; |
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$distance_between_timepoints+= distance($stopTimes[$k - 1]["stop_lat"], $stopTimes[$k - 1]["stop_lon"], $stopTimes[$k]["stop_lat"], $stopTimes[$k]["stop_lon"]); |
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} |
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$next_timepoint = $stopTimes[$k]; |
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$rv[] = $stopTime; |
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} |
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} |
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else { |
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// is untimed point |
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//echo "i".$i; |
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$distance_traveled_between_timepoints+= distance($stopTimes[$i - 1]["stop_lat"], $stopTimes[$i - 1]["stop_lon"], $stopTimes[$i]["stop_lat"], $stopTimes[$i]["stop_lon"]); |
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//echo "$distance_traveled_between_timepoints / $distance_between_timepoints<br>"; |
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$distance_percent = $distance_traveled_between_timepoints / $distance_between_timepoints; |
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if ($next_timepoint["arrival_time"] != "") { |
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$total_time = strtotime($next_timepoint["arrival_time"]) - strtotime($cur_timepoint["arrival_time"]); |
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//echo strtotime($next_timepoint["arrival_time"])." - ".strtotime($cur_timepoint["arrival_time"])."<br>"; |
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$time_estimate = ($distance_percent * $total_time) + strtotime($cur_timepoint["arrival_time"]); |
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$stopTime["arrival_time"] = date("H:i:s", $time_estimate); |
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} |
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else { |
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$stopTime["arrival_time"] = $cur_timepoint["arrival_time"]; |
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} |
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$rv[] = $stopTime; |
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//var_dump($rv); |
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} |
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} |
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return $rv; |
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} |
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function getTripPreviousTimePoint($tripID, $stop_sequence) |
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{ |
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global $conn; |
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$query = " SELECT trip_id,stop_id, |
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stop_sequence |
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FROM stop_times |
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WHERE trip_id = :tripID and stop_sequence < :stop_sequence |
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and stop_times.arrival_time IS NOT NULL ORDER BY stop_sequence DESC LIMIT 1"; |
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debug($query, "database"); |
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$query = $conn->prepare($query); |
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$query->bindParam(":tripID", $tripID); |
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$query->bindParam(":stop_sequence", $stop_sequence); |
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$query->execute(); |
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if (!$query) { |
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databaseError($conn->errorInfo()); |
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return Array(); |
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} |
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return $query->fetch(PDO::FETCH_ASSOC); |
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} |
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function getTripNextTimePoint($tripID, $stop_sequence) |
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{ |
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global $conn; |
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$query = " SELECT trip_id,stop_id, |
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stop_sequence |
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FROM stop_times |
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WHERE trip_id = :tripID and stop_sequence > :stop_sequence |
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and stop_times.arrival_time IS NOT NULL ORDER BY stop_sequence LIMIT 1"; |
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debug($query, "database"); |
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$query = $conn->prepare($query); |
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$query->bindParam(":tripID", $tripID); |
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$query->bindParam(":stop_sequence", $stop_sequence); |
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$query->execute(); |
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if (!$query) { |
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databaseError($conn->errorInfo()); |
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return Array(); |
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} |
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return $query->fetch(PDO::FETCH_ASSOC); |
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} |
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function getTimeInterpolatedTripAtStop($tripID, $stop_sequence) |
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{ |
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global $conn; |
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// limit interpolation to between nearest actual points. |
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$prevTimePoint = getTripPreviousTimePoint($tripID, $stop_sequence); |
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$nextTimePoint = getTripNextTimePoint($tripID, $stop_sequence); |
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$range = "AND stop_sequence >= '{$prevTimePoint['stop_sequence']}' AND stop_sequence <= '{$nextTimePoint['stop_sequence']}'"; |
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foreach (getTimeInterpolatedTrip($tripID, $range) as $tripStop) { |
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if ($tripStop['stop_sequence'] == $stop_sequence) return $tripStop; |
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} |
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return Array(); |
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} |
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function getTripStartTime($tripID) |
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{ |
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global $conn; |
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$query = "Select * from stop_times |
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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"); |
$query = $conn->prepare($query); |
$query = $conn->prepare($query); |
$query->bindParam(":tripID", $tripID); |
$query->bindParam(":tripID", $tripID); |
$query->execute(); |
$query->execute(); |
if (!$query) { |
if (!$query) { |
databaseError($conn->errorInfo()); |
databaseError($conn->errorInfo()); |
return Array(); |
return Array(); |
} |
} |
$r = $query->fetch(PDO::FETCH_ASSOC); |
$r = $query->fetch(PDO :: FETCH_ASSOC); |
return $r['arrival_time']; |
return $r['arrival_time']; |
} |
} |
function getActiveTrips($time) |
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{ |
function getTripEndTime($tripID) { |
global $conn; |
global $conn; |
if ($time == "") $time = current_time(); |
$query = "SELECT trip_id,max(arrival_time) as arrival_time from stop_times |
$query = "Select distinct stop_times.trip_id, start_times.arrival_time as start_time, end_times.arrival_time as end_time from stop_times, (SELECT trip_id,arrival_time from stop_times WHERE stop_times.arrival_time IS NOT NULL |
WHERE stop_times.arrival_time IS NOT NULL and trip_id = :tripID group by trip_id"; |
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debug($query, "database"); |
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$query = $conn->prepare($query); |
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$query->bindParam(":tripID", $tripID); |
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$query->execute(); |
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if (!$query) { |
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databaseError($conn->errorInfo()); |
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return Array(); |
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} |
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$r = $query->fetch(PDO :: FETCH_ASSOC); |
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return $r['arrival_time']; |
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} |
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function getTripStartingPoint($tripID) { |
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global $conn; |
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$query = "SELECT stops.stop_id, stops.stop_name, stops.stop_desc |
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from stop_times inner join stops on stop_times.stop_id = stops.stop_id |
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WHERE trip_id = :tripID and stop_sequence = '1' limit 1"; |
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debug($query, "database"); |
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$query = $conn->prepare($query); |
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$query->bindParam(":tripID", $tripID); |
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$query->execute(); |
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if (!$query) { |
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databaseError($conn->errorInfo()); |
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return Array(); |
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} |
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$r = $query->fetch(PDO :: FETCH_ASSOC); |
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return $r; |
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} |
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function getTripDestination($tripID) { |
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global $conn; |
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$query = "SELECT stops.stop_id, stops.stop_name, stops.stop_desc |
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from stop_times inner join stops on stop_times.stop_id = stops.stop_id |
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WHERE trip_id = :tripID order by stop_sequence desc limit 1"; |
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debug($query, "database"); |
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$query = $conn->prepare($query); |
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$query->bindParam(":tripID", $tripID); |
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$query->execute(); |
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if (!$query) { |
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databaseError($conn->errorInfo()); |
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return Array(); |
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} |
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$r = $query->fetch(PDO :: FETCH_ASSOC); |
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return $r; |
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} |
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function getActiveTrips($time) { |
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global $conn; |
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if ($time == "") |
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$time = current_time(); |
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$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"); |
$query = $conn->prepare($query); |
$query = $conn->prepare($query); |
$query->bindParam(":time", $time); |
$query->bindParam(":time", $time); |
$query->execute(); |
$query->execute(); |
if (!$query) { |
if (!$query) { |
databaseError($conn->errorInfo()); |
databaseError($conn->errorInfo()); |
return Array(); |
return Array(); |
} |
} |
return $query->fetchAll(); |
return $query->fetchAll(); |
} |
} |
function viaPoints($tripID, $stop_sequence = "") |
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{ |
function viaPoints($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 " : "") . "AND substr(stop_code,1,2) != 'Wj' ORDER BY stop_sequence"; |
" . ($stop_sequence != "" ? " AND stop_sequence > :stop_sequence " : "") . " ORDER BY stop_sequence"; |
debug($query, "database"); |
debug($query, "database"); |
$query = $conn->prepare($query); |
$query = $conn->prepare($query); |
if ($stop_sequence != "") $query->bindParam(":stop_sequence", $stop_sequence); |
if ($stop_sequence != "") |
$query->bindParam(":tripID", $tripID); |
$query->bindParam(":stop_sequence", $stop_sequence); |
$query->execute(); |
$query->bindParam(":tripID", $tripID); |
if (!$query) { |
$query->execute(); |
databaseError($conn->errorInfo()); |
if (!$query) { |
return Array(); |
databaseError($conn->errorInfo()); |
} |
return Array(); |
return $query->fetchAll(); |
} |
} |
return $query->fetchAll(); |
function viaPointNames($tripid, $stop_sequence = "") |
} |
{ |
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$viaPointNames = Array(); |
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foreach (viaPoints($tripid, $stop_sequence) as $point) { |
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$viaPointNames[] = $point['stop_name']; |
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} |
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if (sizeof($viaPointNames) > 0) { |
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return r_implode(", ", $viaPointNames); |
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} |
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else { |
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return ""; |
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} |
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} |
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?> |
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