New "Export GPX" button which exports current view as GPX.

assets/markermgr.coffee

@@ -25,6 +25,14 @@ class window.MarkerMgr
                 @accuracy = accuracy
                 return data
 
+    exportGpx: (dateFrom, dateTo, accuracy) ->
+        console.log 'MarkerMgr::exportGpx(%o, %o, %o)', dateFrom, dateTo, accuracy
+        params =
+            'dateFrom': dateFrom
+            'dateTo': dateTo
+            'accuracy': accuracy
+        window.open 'export_gpx.php?' + $.param(params), '_blank'
+
     getTrackerIds: ->
         return Object.keys @markers
 
@@ -68,7 +76,7 @@ class window.MarkerMgr
             newDate = new Date()
             newDate.setTime marker.epoch * 1000
             dateString = newDate.toLocaleString()
-        
+
         accuracyString = "<br/>Accuracy: #{marker.accuracy} m"
         headingString = if marker.heading? then "<br/>Heading: #{marker.heading}°" else ''
         velocityString = if marker.velocity? then "<br/>Velocity: #{marker.velocity} km/h" else ''
@@ -77,9 +85,9 @@ class window.MarkerMgr
             locationString = "<br/>Location: <a href=\"#\" onclick=\"showBoundingBox(#{marker.lid});\" title=\"Show location bounding box\">#{marker.display_name}</a>"
         else
             locationString = "<br/>Location: <span id=\"loc_#{marker.lid}\"><a href=\"#\" onclick=\"geodecodeMarker(#{marker.lid});\" title=\"Get location (geodecode)\">Get location</a></span>"
-        
+
         removeString = "<br/><br/><a href=\"#\" onclick=\"deleteMarker(#{marker.lid});\">Delete marker</a>"
-        
+
         # prepare popup HTML code for marker
         popupString = dateString + trackerIDString + accuracyString + headingString + velocityString + locationString + removeString
         return popupString
@@ -160,7 +168,7 @@ class window.MarkerMgr
                 outlineWidth: 0.5
             .addTo map
             @lines_drawn[mapid].push line
-        
+
     removeLinesFrom: (map) ->
         console.log 'MarkerMgr::removeLinesFrom(%o)', map
         mapid = map.getContainer().id

assets/ownmap.coffee

@@ -141,6 +141,11 @@ class window.OwnMap
             btn_showhide.state 'hide-markers'
         btn_showhide.addTo @mymap
 
+        L.easyButton '<strong>gpx</strong>', (btn, map) =>
+            @exportGpx()
+        , 'Export GPX'
+        .addTo @mymap
+
         @buttonPrev = L.easyButton
             states: [
                 onClick: (btn, map) =>
@@ -232,6 +237,10 @@ class window.OwnMap
         console.log 'OwnMap::resetZoom()'
         @mymap.setView @default_centre, @default_zoom
 
+    exportGpx: ->
+        console.log 'OwnMap::exportGpx()'
+        @markermgr.exportGpx window.dateFrom, window.dateTo, window.accuracy
+
     toggleLiveView: ->
         console.log 'OwnMap::toggleLiveView()'
         @live_view = !@live_view

export_gpx.php

@@ -0,0 +1,76 @@
+<?php
+//http://owntracks.org/booklet/tech/http/
+# Obtain the JSON payload from an OwnTracks app POSTed via HTTP
+# and insert into database table.
+
+require_once 'config.inc.php';
+require_once 'vendor/autoload.php';
+
+use \OwntracksRecorder\Database\MySql;
+use \OwntracksRecorder\Database\SQLite;
+use \OwntracksRecorder\RecordType\Location;
+use \OwntracksRecorder\Rpc;
+
+$response = array();
+
+if ($_config['sql_type'] == 'mysql') {
+    /** @var MySql $sql */
+    $sql = new MySql($_config['sql_db'], $_config['sql_host'], $_config['sql_user'], $_config['sql_pass'], $_config['sql_prefix']);
+} elseif ($_config['sql_type'] == 'sqlite') {
+    /** @var SQLite $sql */
+    $sql = new SQLite($_config['sql_db']);
+} else {
+    die('Invalid database type: ' . $_config['sql_type']);
+}
+
+$rpc = new Rpc($sql);
+$markers = $rpc->getMarkers();
+
+
+#header("Content-type: application/javascript");
+
+$dom = new \DOMDocument('1.0', 'utf-8');
+$dom->formatOutput = true;
+$gpx = $dom->createElement('gpx');
+$gpx->setAttribute('creator', 'php-owntracks-recorder');
+$gpx->setAttribute('version', '1.1');
+$gpx->setAttributeNS('http://www.w3.org/2000/xmlns/', 'xmlns', 'http://www.topografix.com/GPX/1/1');
+$gpx->setAttributeNS('http://www.w3.org/2000/xmlns/', 'xmlns:xsi', 'http://www.w3.org/2001/XMLSchema-instance');
+$gpx->setAttributeNS('http://www.w3.org/2000/xmlns/', 'xmlns:ns2', 'http://www.garmin.com/xmlschemas/GpxExtensions/v3');
+$gpx->setAttributeNS('http://www.w3.org/2000/xmlns/', 'xmlns:ns3', 'http://www.garmin.com/xmlschemas/TrackPointExtension/v1');
+$gpx->setAttribute('xsi:schemaLocation', 'http://www.topografix.com/GPX/1/1 http://www.topografix.com/GPX/11.xsd');
+
+# METADATA
+$meta = $dom->createElement('metadata');
+$link = $dom->createElement('link');
+$link->setAttribute('href', 'github.com');
+$link->appendChild($dom->createElement('text', 'php-owntracks-recorder'));
+$meta->appendChild($link);
+$meta->appendChild($dom->createElement('time', date('c')));
+$gpx->appendChild($meta);
+
+# TRACK INFO
+$trk = $dom->createElement('trk');
+$trk->appendChild($dom->createElement('name', 'Exported Track'));
+$trk->appendChild($dom->createElement('type', 'other'));
+
+# TRACK SEGMENT
+$trkseg = $dom->createElement('trkseg');
+
+foreach ($markers['markers'] as $tid => $markerList) {
+    foreach ($markerList as $marker) {
+        $lo = new Location();
+        $lo->fillFromDbArray($marker);
+
+        $trkpt = $lo->getGpxDom();
+
+        $trkpti = $dom->importNode($trkpt->documentElement, true);
+        $trkseg->appendChild($trkpti);
+    }
+}
+
+$trk->appendChild($trkseg);
+$gpx->appendChild($trk);
+$dom->appendChild($gpx);
+
+echo $dom->saveXML();

lib/RecordType/AbstractRecordType.php

@@ -75,6 +75,15 @@ class AbstractRecordType implements \Iterator
         return $this->table;
     }
 
+    public function fillFromDbArray($arr)
+    {
+        foreach ($this->fields as $key => $extinfo) {
+            if (array_key_exists($key, $arr)) {
+                $this->data[$key] = $arr[$key];
+            }
+        }
+    }
+
     public function fillFromArray($arr)
     {
         foreach ($this->fields as $key => $extinfo) {

lib/RecordType/Location.php

@@ -36,4 +36,47 @@ class Location extends AbstractRecordType
         'osm_id'       => null,
         'display_name' => null,
     );
+
+    public function getGpxDom()
+    {
+        $dom = new \DOMDocument('1.0', 'utf-8');
+        $trkpt = $dom->createElement('trkpt');
+        $trkpt->setAttribute('lat', $this->data['latitude']);
+        $trkpt->setAttribute('lon', $this->data['longitude']);
+
+        $ext = $dom->createElement('extensions');
+
+        $trkpt->appendChild($dom->createElement('time', date('c', intval($this->data['epoch']))));
+        $ext->appendChild($dom->createElement('epoch', $this->data['epoch']));
+
+        $trkpt->appendChild($dom->createElement('ele', $this->data['altitude']));
+
+        # GDOP
+        # <1 - ideal
+        # 1-2 - excellent
+        # 2-5 - good
+        # 5-10 - moderate
+        # 10-20 - fair (rough estimate of location)
+        # >20 - poor (should be discarded)
+        $hdop = intval($this->data['accuracy']) / 5;
+        $trkpt->appendChild($dom->createElement('hdop', $hdop));
+        $ext->appendChild($dom->createElement('acc', $this->data['accuracy']));
+
+        $vdop = intval($this->data['vertical_accuracy']) / 5;
+        $trkpt->appendChild($dom->createElement('vdop', $vdop));
+        $ext->appendChild($dom->createElement('vacc', $this->data['vertical_accuracy']));
+
+        if (!is_null($this->data['heading'])) {
+            $ext->appendChild($dom->createElement('hdg', $this->data['heading']));
+        }
+
+        if ($this->data['velocity'] > 0) {
+            $ext->appendChild($dom->createElement('spd_mps', intval($this->data['velocity'])));
+            $ext->appendChild($dom->createElement('spd_kph', intval($this->data['velocity']) * 3.6));
+        }
+
+        $trkpt->appendChild($ext);
+        $dom->appendChild($trkpt);
+        return $dom;
+    }
 }