Merge branch 'master' of github.com:maxious/ACTBus-ui
[busui.git] / tripPlanner.php
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<?php
 
/*
 *    Copyright 2010,2011 Alexander Sadleir 
 
  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at
 
  http://www.apache.org/licenses/LICENSE-2.0
 
  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
 */
include ('include/common.inc.php');
include_header("Trip Planner", "tripPlanner", true, false, true);
$from = (isset($_REQUEST['from']) ? filter_var($_REQUEST['from'], FILTER_SANITIZE_STRING) : "");
$to = (isset($_REQUEST['to']) ? filter_var($_REQUEST['to'], FILTER_SANITIZE_STRING) : "");
$date = (isset($_REQUEST['date']) ? filter_var($_REQUEST['date'], FILTER_SANITIZE_STRING) : date("m/d/Y"));
$time = (isset($_REQUEST['time']) ? filter_var($_REQUEST['time'], FILTER_SANITIZE_STRING) : date("H:i"));
 
function formatTime($timeString) {
    $timeParts = explode("T", $timeString);
    return str_replace("Z", "", $timeParts[1]);
}
 
function tripPlanForm($errorMessage = "") {
    global $date, $time, $from, $to;
    echo "<div class='error'>$errorMessage</font>";
    echo '<form action="tripPlanner.php" method="post">
    <div data-role="fieldcontain">
        <label for="from">I would like to go from</label>
        <input type="text" name="from" id="from" value="' . $from . '"  />
        <a href="#" style="display:none" name="fromHere" id="fromHere">Here?</a>
    </div>
        <div data-role="fieldcontain">
        <label for="to"> to </label>
        <input type="text" name="to" id="to" value="' . $to . '"  />
        <a href="#" style="display:none" name="toHere" id="toHere">Here?</a>
    </div>
    <div data-role="fieldcontain">
        <label for="date"> on </label>
        <input type="text" name="date" id="date" value="' . $date . '"  />
    </div>
        <div data-role="fieldcontain">
        <label for="time"> at </label>
        <input type="time" name="time" id="time" value="' . $time . '"  />
    </div>
        <input type="submit" value="Go!"></form>';
}
 
function processItinerary($itineraryNumber, $itinerary) {
    echo '<div data-role="collapsible" ' . ($itineraryNumber > 0 ? 'data-collapsed="true"' : "") . '> <h3> Option #' . ($itineraryNumber + 1) . ": " . floor($itinerary->duration / 60000) . " minutes (" . formatTime($itinerary->startTime) . " to " . formatTime($itinerary->endTime) . ")</h3><p>";
    echo "Walking time: " . floor($itinerary->walkTime / 60000) . " minutes (" . floor($itinerary->walkDistance) . " meters)<br>\n";
    echo "Transit time: " . floor($itinerary->transitTime / 60000) . " minutes<br>\n";
    echo "Waiting time: " . floor($itinerary->waitingTime / 60000) . " minutes<br>\n";
    if (is_array($itinerary->legs->leg)) {
        $legMarkers = array();
        foreach ($itinerary->legs->leg as $legNumber => $leg) {
            $legMarkers[] = array(
                $leg->from->lat,
                $leg->from->lon
            );
        }
        echo '' . staticmap($legMarkers, false, false, true) . "<br>\n";
        echo '<ul>';
        foreach ($itinerary->legs->leg as $legNumber => $leg) {
            echo '<li>';
            processLeg($legNumber, $leg);
            echo "</li>";
            flush();
            @ob_flush();
        }
        echo "</ul>";
    } else {
        echo '' . staticmap(array(
            array(
                $itinerary->legs->leg->from->lat,
                $itinerary->legs->leg->from->lon
            )
                ), false, false, true) . "<br>\n";
        processLeg(0, $itinerary->legs->leg);
    }
    echo "</p></div>";
}
 
function processLeg($legNumber, $leg) {
    $legArray = object2array($leg);
    echo '<h3>Leg #' . ($legNumber + 1) . " ( {$legArray['@mode']} from: {$leg->from->name} to {$leg->to->name}, " . floor($leg->duration / 60000) . " minutes) </h3>\n";
    if ($legArray["@mode"] === "BUS") {
        echo "Take bus {$legArray['@route']} " . str_replace("To", "towards", $legArray['@headsign']) . " departing at " . formatTime($leg->startTime) . "<br>";
    } else {
        $walkStepMarkers = array();
        foreach ($leg->steps->walkSteps as $stepNumber => $step) {
            $walkStepMarkers[] = array(
                $step->lat,
                $step->lon
            );
        }
        echo "" . staticmap($walkStepMarkers, false, false, true) . "<br>\n";
        foreach ($leg->steps->walkSteps as $stepNumber => $step) {
            echo "Walking step " . ($stepNumber + 1) . ": ";
            if ($step->relativeDirection == "CONTINUE") {
                echo "Continue, ";
            } else if ($step->relativeDirection)
                echo "Turn " . ucwords(strtolower(str_replace("_", " ", $step->relativeDirection))) . ", ";
            echo "Go " . ucwords(strtolower($step->absoluteDirection)) . " on ";
            if (strpos($step->streetName, "from") !== false && strpos($step->streetName, "way") !== false) {
                echo "footpath";
            } else {
                echo $step->streetName;
            }
            echo " for " . floor($step->distance) . " meters<br>\n";
        }
    }
}
 
if ($_REQUEST['time']) {
    if (startsWith($to, "-")) {
        $toPlace = $to;
    } else if (strpos($to, "(") !== false) {
        $toParts = explode("(", $to);
        $toPlace = str_replace(")", "", $toParts[1]);
    } else {
        $toPlace = geocode($to, false);
    }
 
    if (startsWith($from, "-")) {
        $fromPlace = $from;
    } else if (strpos($from, "(") !== false) {
        $fromParts = explode("(", urldecode($from));
        $fromPlace = str_replace(")", "", $fromParts[1]);
    } else {
        $fromPlace = geocode($from, false);
    }
 
    if ($toPlace == "" || $fromPlace == "") {
        $errorMessage = "";
        if ($toPlace == "") {
            $errorMessage.= urlencode($to) . " not found.<br>\n";
            trackEvent("Trip Planner", "Geocoder Failed", $to);
        }
        if ($fromPlace == "") {
            $errorMessage.= urlencode($from) . " not found.<br>\n";
            trackEvent("Trip Planner", "Geocoder Failed", $from);
        }
        tripPlanForm($errorMessage);
    } else {
        $url = $otpAPIurl . "ws/plan?date=" . urlencode($_REQUEST['date']) . "&time=" . urlencode($_REQUEST['time']) . "&mode=TRANSIT%2CWALK&optimize=QUICK&maxWalkDistance=840&wheelchair=false&toPlace=$toPlace&fromPlace=$fromPlace&intermediatePlaces=";
        debug($url);
        $ch = curl_init($url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_HEADER, 0);
        curl_setopt($ch, CURLOPT_HTTPHEADER, array(
            "Accept: application/json"
        ));
        curl_setopt($ch, CURLOPT_TIMEOUT, 10);
        $page = curl_exec($ch);
        if (curl_errno($ch) || curl_getinfo($ch, CURLINFO_HTTP_CODE) != 200) {
            tripPlanForm("Trip planner temporarily unavailable: " . curl_errno($ch) . " " . curl_error($ch) . " " . curl_getinfo($ch, CURLINFO_HTTP_CODE) . (isDebug() ? "<br>" . $url : ""));
            trackEvent("Trip Planner", "Trip Planner Failed", $url);
        } else {
            trackEvent("Trip Planner", "Plan Trip From", $from);
            trackEvent("Trip Planner", "Plan Trip To", $to);
            $tripplan = json_decode($page);
            debug(print_r($tripplan, true));
            echo "<h1> From: {$tripplan->plan->from->name} To: {$tripplan->plan->to->name} </h1>";
            echo "<h1> At: " . formatTime($tripplan->plan->date) . " </h1>";
            if (is_array($tripplan->plan->itineraries->itinerary)) {
                echo '<div data-role="collapsible-set">';
                foreach ($tripplan->plan->itineraries->itinerary as $itineraryNumber => $itinerary) {
                    processItinerary($itineraryNumber, $itinerary);
                }
                echo "</div>";
            } else {
                processItinerary(0, $tripplan->plan->itineraries->itinerary);
            }
        }
        curl_close($ch);
    }
} else {
    tripPlanForm();
}
include_footer();
?>