<?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"; |
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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); |
} |
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function getTripShape() { |
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/* def handle_json_GET_tripstoptimes(self, params): |
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schedule = self.server.schedule |
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try: |
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trip = schedule.GetTrip(params.get('trip')) |
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except KeyError: |
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# if a non-existent trip is searched for, the return nothing |
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return |
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time_stops = trip.GetTimeInterpolatedStops() |
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stops = [] |
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times = [] |
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for arr,ts,is_timingpoint in time_stops: |
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stops.append(StopToTuple(ts.stop)) |
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times.append(arr) |
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return [stops, times] |
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def handle_json_GET_tripshape(self, params): |
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schedule = self.server.schedule |
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try: |
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trip = schedule.GetTrip(params.get('trip')) |
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except KeyError: |
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# if a non-existent trip is searched for, the return nothing |
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return |
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points = [] |
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if trip.shape_id: |
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shape = schedule.GetShape(trip.shape_id) |
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for (lat, lon, dist) in shape.points: |
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points.append((lat, lon)) |
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else: |
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time_stops = trip.GetTimeStops() |
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for arr,dep,stop in time_stops: |
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points.append((stop.stop_lat, stop.stop_lon)) |
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return points*/ |
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} |
} |
function getTimeInterpolatedTrip($tripID) { |
function getTripShape() |
/* rv = [] |
{ |
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/* 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 = [] |
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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] |
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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() |
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rv.append( (int(round(time_estimate)), st, False) ) |
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return rv*/ |
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} |
} |
function getTimeInterpolatedTripAtStop($trip_id, $stop_sequence) { |
function getTimeInterpolatedTrip($tripID) |
foreach(getTimeInterpolatedTrip($tripID) as $tripStop) { |
{ |
if ($tripStop['stop_sequence'] == $stop_sequence) return $tripStop; |
global $conn; |
} |
$query = "SELECT stop_times.trip_id,arrival_time,stop_times.stop_id,stop_lat,stop_lon, |
return Array(); |
stop_sequence,service_id,trips.route_id,route_short_name,route_long_name |
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FROM stop_times |
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join trips on trips.trip_id = stop_times.trip_id |
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join routes on trips.route_id = routes.route_id |
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join stops on stops.stop_id = stop_times.stop_id |
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WHERE trips.trip_id = '$tripID' ORDER BY stop_sequence"; |
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debug($query, "database"); |
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$result = pg_query($conn, $query); |
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if (!$result) { |
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databaseError(pg_result_error($result)); |
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return Array(); |
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} |
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$stopTimes = pg_fetch_all($result); |
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$cur_timepoint = Array(); |
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$next_timepoint = Array(); |
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$distance_between_timepoints = 0.0; |
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$distance_traveled_between_timepoints = 0.0; |
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$rv = Array(); |
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foreach ($stopTimes as $i => $stopTime) { |
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if ($stopTime['arrival_time'] != "") { |
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// is timepoint |
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$cur_timepoint = $stopTime; |
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$distance_between_timepoints = 0.0; |
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$distance_traveled_between_timepoints = 0.0; |
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if ($i + 1 < sizeof($stopTimes)) { |
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$k = $i + 1; |
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$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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while ($stopTimes[$k]["arrival_time"] == "" && $k + 1 < sizeof($stopTimes)) { |
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$k += 1; |
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//echo "k".$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", $time_estimate); |
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} else { |
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$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 $rv; |
} |
} |
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function getTimeInterpolatedTripAtStop($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 $tripStop) { |
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if ($tripStop['stop_sequence'] == $stop_sequence) return $tripStop; |
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} |
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return Array(); |
} |
} |
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function getTripStartTime($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 = '$tripID' |
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AND arrival_time IS NOT NULL |
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AND stop_sequence = '1'"; |
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debug($query, "database"); |
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$result = pg_query($conn, $query); |
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if (!$result) { |
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databaseError(pg_result_error($result)); |
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return Array(); |
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} |
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$r = pg_fetch_assoc($result); |
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return $r['arrival_time']; |
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} |
function viaPointNames($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); |
} |
} |
?> |
?> |