--- a/include/db/trip-dao.inc.php
+++ b/include/db/trip-dao.inc.php
@@ -28,20 +28,19 @@
$query->execute();
if (!$query) {
databaseError($conn->errorInfo());
+
return Array();
}
return $query->fetch(PDO :: FETCH_ASSOC);
}
-
-function getTripShape($tripID) {
- global $conn;
- $query = "SELECT ST_AsKML(ST_MakeLine(geometry(a.position))) as the_route
-FROM (SELECT position,
+function getTripStops($tripID) {
+ global $conn;
+ $query = "SELECT stop_id, stop_name, ST_AsKML(position) as positionkml,
stop_sequence, trips.trip_id
FROM stop_times
join trips on trips.trip_id = stop_times.trip_id
join stops on stops.stop_id = stop_times.stop_id
-WHERE trips.trip_id = :tripID ORDER BY stop_sequence) as a group by a.trip_id";
+WHERE trips.trip_id = :tripID ORDER BY stop_sequence";
debug($query, "database");
$query = $conn->prepare($query);
$query->bindParam(":tripID", $tripID);
@@ -52,10 +51,28 @@
}
return $query->fetchColumn(0);
}
-
-function getTimeInterpolatedTrip($tripID, $range = "") {
- global $conn;
- $query = "SELECT stop_times.trip_id,arrival_time,stop_times.stop_id,stop_lat,stop_lon,stop_name,stop_code,
+function getTripShape($tripID) {
+ // todo, use shapes table if shape_id specified
+ global $conn;
+ $query = "SELECT ST_AsKML(ST_MakeLine(geometry(a.shape_pt))) as the_route
+FROM (SELECT shapes.shape_id,shape_pt from shapes
+inner join trips on shapes.shape_id = trips.shape_id
+WHERE trips.trip_id = :tripID ORDER BY shape_pt_sequence) as a group by a.shape_id";
+ debug($query, "database");
+ $query = $conn->prepare($query);
+ $query->bindParam(":tripID", $tripID);
+ $query->execute();
+ if (!$query) {
+ databaseError($conn->errorInfo());
+ return Array();
+ }
+ return $query->fetchColumn(0);
+}
+
+function getTripStopTimes($tripID) {
+ global $conn;
+ $query = "SELECT stop_times.trip_id,trip_headsign,arrival_time,stop_times.stop_id
+ ,stop_lat,stop_lon,stop_name,stop_desc,stop_code,
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
@@ -71,99 +88,12 @@
return Array();
}
$stopTimes = $query->fetchAll();
- $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
";
- $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"])."
";
- $time_estimate = ($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 $rv;
-}
-
-function getTripPreviousTimePoint($tripID, $stop_sequence) {
- global $conn;
- $query = " SELECT trip_id,stop_id,
- stop_sequence
-FROM stop_times
-WHERE trip_id = :tripID and stop_sequence < :stop_sequence
-and stop_times.arrival_time IS NOT NULL ORDER BY stop_sequence DESC LIMIT 1";
- debug($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;
- $query = " SELECT trip_id,stop_id,
- stop_sequence
-FROM stop_times
-WHERE trip_id = :tripID and stop_sequence > :stop_sequence
-and stop_times.arrival_time IS NOT NULL ORDER BY stop_sequence LIMIT 1";
- debug($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, $stop_sequence);
- // echo " prev {$lowestDelta['stop_sequence']} next {$nextTimePoint['stop_sequence']} ";
- $range = "";
- if ($prevTimePoint != "")
- $range .= " AND stop_sequence >= '{$prevTimePoint['stop_sequence']}'";
- if ($nextTimePoint != "")
- $range .= " AND stop_sequence <= '{$nextTimePoint['stop_sequence']}'";
- foreach (getTimeInterpolatedTrip($tripID, $range) as $tripStop) {
+ return $stopTimes;
+}
+
+function getTripAtStop($tripID, $stop_sequence) {
+ global $conn;
+ foreach (getTripStopTimes($tripID) as $tripStop) {
if ($tripStop['stop_sequence'] == $stop_sequence)
return $tripStop;
}
@@ -202,6 +132,39 @@
}
$r = $query->fetch(PDO :: FETCH_ASSOC);
return $r['arrival_time'];
+}
+function getTripStartingPoint($tripID) {
+ global $conn;
+ $query = "SELECT stops.stop_id, stops.stop_name, stops.stop_desc
+ from stop_times inner join stops on stop_times.stop_id = stops.stop_id
+ WHERE trip_id = :tripID and stop_sequence = '1' limit 1";
+ debug($query, "database");
+ $query = $conn->prepare($query);
+ $query->bindParam(":tripID", $tripID);
+ $query->execute();
+ if (!$query) {
+ databaseError($conn->errorInfo());
+ return Array();
+ }
+ $r = $query->fetch(PDO :: FETCH_ASSOC);
+ return $r;
+}
+
+function getTripDestination($tripID) {
+ global $conn;
+ $query = "SELECT stops.stop_id, stops.stop_name, stops.stop_desc
+ from stop_times inner join stops on stop_times.stop_id = stops.stop_id
+ WHERE trip_id = :tripID order by stop_sequence desc limit 1";
+ debug($query, "database");
+ $query = $conn->prepare($query);
+ $query->bindParam(":tripID", $tripID);
+ $query->execute();
+ if (!$query) {
+ databaseError($conn->errorInfo());
+ return Array();
+ }
+ $r = $query->fetch(PDO :: FETCH_ASSOC);
+ return $r;
}
function getActiveTrips($time) {
@@ -222,12 +185,12 @@
return $query->fetchAll();
}
-function viaPoints($tripID, $stop_sequence = "", $timing_points_only = true) {
+function viaPoints($tripID, $stop_sequence = "") {
global $conn;
$query = "SELECT stops.stop_id, stop_name, arrival_time
FROM stop_times join stops on stops.stop_id = stop_times.stop_id
WHERE stop_times.trip_id = :tripID
-" . ($stop_sequence != "" ? " AND stop_sequence > :stop_sequence " : "") . ($timing_points_only ? "AND substr(stop_code,1,2) != 'Wj' " : "") . " ORDER BY stop_sequence";
+" . ($stop_sequence != "" ? " AND stop_sequence > :stop_sequence " : "") . " ORDER BY stop_sequence";
debug($query, "database");
$query = $conn->prepare($query);
if ($stop_sequence != "")
@@ -241,16 +204,5 @@
return $query->fetchAll();
}
-function viaPointNames($tripid, $stop_sequence = "") {
- $viaPointNames = Array();
- foreach (viaPoints($tripid, $stop_sequence) as $point) {
- $viaPointNames[] = $point['stop_name'];
- }
- if (sizeof($viaPointNames) > 0) {
- return r_implode(", ", $viaPointNames);
- } else {
- return "";
- }
-}
?>