Make sure time used for calculation and time used for database are seperate
Make sure time used for calculation and time used for database are seperate

<?php <?php
include ('../include/common.inc.php'); include ('../include/common.inc.php');
include_header("MyWay Delta Calculate", "mywayDeltaCalc"); include_header("MyWay Delta Calculate", "mywayDeltaCalc");
  flush();
  ob_flush();
function abssort($a, $b) function abssort($a, $b)
{ {
if ($a['timeDiff'] == $b['timeDiff']) { if ($a['timeDiff'] == $b['timeDiff']) {
return 0; return 0;
} }
return (abs($a['timeDiff']) < abs($b['timeDiff'])) ? -1 : 1; return (abs($a['timeDiff']) < abs($b['timeDiff'])) ? -1 : 1;
} }
//collect all observation not in delta //collect all observation not in delta
$query = "select * from myway_observations INNER JOIN myway_stops $query = "select * from myway_observations INNER JOIN myway_stops
ON myway_observations.myway_stop=myway_stops.myway_stop INNER JOIN myway_routes ON myway_observations.myway_stop=myway_stops.myway_stop INNER JOIN myway_routes
ON myway_observations.myway_route=myway_routes.myway_route ON myway_observations.myway_route=myway_routes.myway_route
WHERE observation_id NOT IN WHERE observation_id NOT IN
( (
SELECT observation_id SELECT observation_id
FROM myway_timingdeltas FROM myway_timingdeltas
)"; )";
debug($query, "database"); debug($query, "database");
$query = $conn->prepare($query); $query = $conn->prepare($query);
$query->execute(); $query->execute();
if (!$query) { if (!$query) {
databaseError($conn->errorInfo()); databaseError($conn->errorInfo());
return Array(); return Array();
} }
$uncalcdObservations = $query->fetchAll(); $uncalcdObservations = $query->fetchAll();
//Display count //Display count
echo "<h3>" . sizeof($uncalcdObservations) . " observations not yet processed</h2>"; echo "<h3>" . sizeof($uncalcdObservations) . " observations not yet processed</h2>";
//foreach observation not in delta //foreach observation not in delta
foreach ($uncalcdObservations as $obsv) { foreach ($uncalcdObservations as $obsv) {
//var_dump($obsv); //var_dump($obsv);
echo "<h3>Observation {$obsv['observation_id']}:</h1> echo "<h3>Observation {$obsv['observation_id']}:</h1>
<small>{$obsv['myway_stop']} @ {$obsv['time']} on {$obsv['myway_route']}</small><br>"; <small>{$obsv['myway_stop']} @ {$obsv['time']} on {$obsv['myway_route']}</small><br>";
if ($obsv["stop_code"] == "") { if ($obsv["stop_code"] == "") {
echo "error, stop '{$obsv['myway_stop']}' unknown"; echo "error, stop '{$obsv['myway_stop']}' unknown";
continue; continue;
} }
if ($obsv["route_full_name"] == "") { if ($obsv["route_full_name"] == "") {
echo "error, route '{$obsv['myway_route']}' unknown"; echo "error, route '{$obsv['myway_route']}' unknown";
continue; continue;
} }
// convert timestamp into time of day and date // convert timestamp into time of day and date
// timezones from http://www.postgresql.org/docs/8.0/static/datetime-keywords.html // timezones from http://www.postgresql.org/docs/8.0/static/datetime-keywords.html
$time = date("H:i:s AESST", strtotime($obsv['time'])); $time = date("H:i:s", strtotime($obsv['time']));
  $time_tz = date("H:i:s", strtotime($obsv['time']))." AESST";
$search_time = date("H:i:s", strtotime($obsv['time'])-(30*60)); // 30 minutes margin $search_time = date("H:i:s", strtotime($obsv['time'])-(30*60)); // 30 minutes margin
$date = date("c", strtotime($obsv['time'])); $date = date("c", strtotime($obsv['time']));
$timing_period = service_period(strtotime($date)); $timing_period = service_period(strtotime($date));
$potentialStops = getStopsByStopCode($obsv["stop_code"], $obsv["stop_street"]); $potentialStops = getStopsByStopCode($obsv["stop_code"], $obsv["stop_street"]);
//:get myway_stops records //:get myway_stops records
//:search by starts with stopcode and starts with street if street is not null //:search by starts with stopcode and starts with street if street is not null
//no result, skip and display error //no result, skip and display error
if (sizeof($potentialStops) < 1) { if (sizeof($potentialStops) < 1) {
echo "error, potential stops for stopcode {$obsv["stop_code"]} street {$obsv["stop_street"]} unknown"; echo "error, potential stops for stopcode {$obsv["stop_code"]} street {$obsv["stop_street"]} unknown";
continue; continue;
} }
//print out stops //print out stops
echo "Matched stops: "; echo "Matched stops: ";
foreach ($potentialStops as $potentialStop) echo $potentialStop['stop_code'] . " "; foreach ($potentialStops as $potentialStop) echo $potentialStop['stop_code'] . " ";
echo "<br>"; echo "<br>";
//:get myway_route record //:get myway_route record
//no result, skip and display error //no result, skip and display error
//print out route //print out route
$potentialRoute = getRouteByFullName($obsv["route_full_name"]); $potentialRoute = getRouteByFullName($obsv["route_full_name"]);
if ($potentialRoute["route_short_name"] == "") { if ($potentialRoute["route_short_name"] == "") {
echo "error, route '{$obsv["route_full_name"]}' unknown"; echo "error, route '{$obsv["route_full_name"]}' unknown";
continue; continue;
} }
echo "Matched route: {$potentialRoute['route_short_name']}{$potentialRoute['route_long_name']} {$timing_period}<br>"; echo "Matched route: {$potentialRoute['route_short_name']}{$potentialRoute['route_long_name']} {$timing_period}<br>";
$timeDeltas = Array(); $timeDeltas = Array();
foreach ($potentialStops as $potentialStop) { foreach ($potentialStops as $potentialStop) {
$stopRoutes = getStopRoutes($potentialStop['stop_id'], $timing_period); $stopRoutes = getStopRoutes($potentialStop['stop_id'], $timing_period);
$foundRoute = Array(); $foundRoute = Array();
foreach ($stopRoutes as $stopRoute) { foreach ($stopRoutes as $stopRoute) {
//Check if this route stops at each stop //Check if this route stops at each stop
if ($stopRoute['route_short_name'] . $stopRoute['route_long_name'] == $obsv["route_full_name"]) { if ($stopRoute['route_short_name'] . $stopRoute['route_long_name'] == $obsv["route_full_name"]) {
echo "Matching route {$stopRoute['route_id']} found at {$potentialStop['stop_code']}<br>"; echo "Matching route {$stopRoute['route_id']} found at {$potentialStop['stop_code']}<br>";
$foundRoute = $stopRoute; $foundRoute = $stopRoute;
//if does get tripstoptimes for this route //if does get tripstoptimes for this route
$trips = getStopTrips($potentialStop['stop_id'], $timing_period, $search_time); $trips = getStopTrips($potentialStop['stop_id'], $timing_period, $search_time);
foreach ($trips as $trip) { foreach ($trips as $trip) {
//echo $trip['route_id']." ".$stopRoute['route_id'].";"; //echo $trip['route_id']." ".$stopRoute['route_id'].";";
if ($trip['route_id'] == $stopRoute['route_id']) { if ($trip['route_id'] == $stopRoute['route_id']) {
$timedTrip = getTimeInterpolatedTripAtStop($trip['trip_id'], $trip['stop_sequence']); $timedTrip = getTimeInterpolatedTripAtStop($trip['trip_id'], $trip['stop_sequence']);
$actual_time = strtotime($time); $actual_time = strtotime($time);
$trip_time = strtotime($timedTrip['arrival_time']); $trip_time = strtotime($timedTrip['arrival_time']);
$timeDiff = $actual_time - $trip_time; $timeDiff = $actual_time - $trip_time;
//work out time delta, put into array with index of delta //work out time delta, put into array with index of delta
$timeDeltas[] = Array( $timeDeltas[] = Array(
"timeDiff" => $timeDiff, "timeDiff" => $timeDiff,
"stop_code" => $potentialStop['stop_code'], "stop_code" => $potentialStop['stop_code'],
"stop_sequence" => $timedTrip['stop_sequence'] "stop_sequence" => $timedTrip['stop_sequence']
); );
echo "Found trip {$trip['trip_id']} at stop {$potentialStop['stop_code']} (#{$potentialStop['stop_id']}, sequence #{$trip['stop_sequence']})<br>"; echo "Found trip {$trip['trip_id']} at stop {$potentialStop['stop_code']} (#{$potentialStop['stop_id']}, sequence #{$trip['stop_sequence']})<br>";
echo "Arriving at {$timedTrip['arrival_time']}, difference of " . round($timeDiff / 60, 2) . " minutes<br>"; echo "Arriving at {$timedTrip['arrival_time']}, difference of " . round($timeDiff / 60, 2) . " minutes<br>";
} }
} }
break; // because have found route break; // because have found route
} }
} }
if (sizeof($foundRoute) < 1) { if (sizeof($foundRoute) < 1) {
//print out that stops/does not stop //print out that stops/does not stop
echo "No matching routes found at {$potentialStop['stop_code']}<br>"; echo "No matching routes found at {$potentialStop['stop_code']}<br>";
var_dump($stopRoutes); var_dump($stopRoutes);
  flush();
   
} }
} }
// lowest delta is recorded delta // lowest delta is recorded delta
usort($timeDeltas, "abssort"); usort($timeDeltas, "abssort");
$lowestDelta = $timeDeltas[0]["timeDiff"]; $lowestDelta = $timeDeltas[0]["timeDiff"];
if (sizeof($timeDeltas) != 0) { if (sizeof($timeDeltas) != 0) {
echo "Lowest difference of " . round($lowestDelta / 60, 2) . " minutes will be recorded for this observation<br>"; echo "Lowest difference of " . round($lowestDelta / 60, 2) . " minutes will be recorded for this observation<br>";
$observation_id = $obsv['observation_id']; $observation_id = $obsv['observation_id'];
$route_full_name = $obsv['route_full_name']; $route_full_name = $obsv['route_full_name'];
$stop_code = $timeDeltas[0]["stop_code"]; $stop_code = $timeDeltas[0]["stop_code"];
$stop_sequence = $timeDeltas[0]["stop_sequence"]; $stop_sequence = $timeDeltas[0]["stop_sequence"];
$stmt = $conn->prepare("insert into myway_timingdeltas (observation_id, route_full_name, stop_code, timing_delta, time, date, timing_period, stop_sequence) $stmt = $conn->prepare("insert into myway_timingdeltas (observation_id, route_full_name, stop_code, timing_delta, time, date, timing_period, stop_sequence)
values (:observation_id, :route_full_name, :stop_code, :timing_delta, :time, :date, :timing_period, :stop_sequence)"); values (:observation_id, :route_full_name, :stop_code, :timing_delta, :time, :date, :timing_period, :stop_sequence)");
$stmt->bindParam(':observation_id', $observation_id); $stmt->bindParam(':observation_id', $observation_id);
$stmt->bindParam(':route_full_name', $route_full_name); $stmt->bindParam(':route_full_name', $route_full_name);
$stmt->bindParam(':stop_code', $stop_code); $stmt->bindParam(':stop_code', $stop_code);
$stmt->bindParam(':timing_delta', $lowestDelta); $stmt->bindParam(':timing_delta', $lowestDelta);
$stmt->bindParam(':time', $time); $stmt->bindParam(':time', $time_tz);
$stmt->bindParam(':date', $date); $stmt->bindParam(':date', $date);
$stmt->bindParam(':timing_period', $timing_period); $stmt->bindParam(':timing_period', $timing_period);
$stmt->bindParam(':stop_sequence', $stop_sequence); $stmt->bindParam(':stop_sequence', $stop_sequence);
// insert a record // insert a record
$stmt->execute(); $stmt->execute();
if ($stmt->rowCount() > 0) { if ($stmt->rowCount() > 0) {
echo "Recorded.<br>"; echo "Recorded.<br>";
} }
var_dump($conn->errorInfo()); var_dump($conn->errorInfo());
  flush();
} }
flush(); flush();
} }