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