refs #29 remove GpsBabel dependency, implement conversions in Php

CHANGELOG.md

@@ -12,11 +12,17 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 - dynamic URL and page title change after loading file or folder
 - support for WMS tile and overlay servers. base and user servers
   [#22](https://gitlab.com/eneiluj/gpxedit-oc/issues/22) @a15n
+- add new metadata fields : track name, link url, link text
+  [#26](https://gitlab.com/eneiluj/gpxedit-oc/issues/26) @manudinovi
 
 ### Changed
 - change way to cut lines, hover the middle marker and press Del
   [#17](https://gitlab.com/eneiluj/gpxedit-oc/issues/17) @TheTiPi
 - update moment timezone js
+- no more GpsBabel dependency, conversion is now done in Php
+  [#29](https://gitlab.com/eneiluj/gpxedit-oc/issues/29) @poVoq
+- make custom tile server blocks foldable
+  [#27](https://gitlab.com/eneiluj/gpxedit-oc/issues/27) @a15n
 
 ### Fixed
 - modify cloneLatLng to avoid alt and time loss when L.draw makes layer backups

README.md

@@ -34,7 +34,7 @@ GpxEdit :
 - allows you to add extra symbols in admin settings (section : additional)
 - works with server-side encryption.
 - works with shared files.
-- loads GPX, KML, unicsv CSV, geotagged JPG files (requires Gpsbabel to convert files and import pictures)
+- loads GPX, KML, unicsv CSV, geotagged JPG files (no more Gpsbabel dependency)
 - loads tracks, routes and waypoints
 - saves tracks, routes and waypoints
 - supports waypoint symbols

appinfo/info.xml

@@ -42,7 +42,7 @@ GpxEdit :
 - allows you to add extra symbols in admin settings (section : additional)
 - works with server-side encryption.
 - works with shared files.
-- loads GPX, KML, unicsv CSV, geotagged JPG files (requires Gpsbabel to convert files and import pictures)
+- loads GPX, KML, unicsv CSV, geotagged JPG files (no more Gpsbabel dependency)
 - loads tracks, routes and waypoints
 - saves tracks, routes and waypoints
 - supports waypoint symbols

controller/conversion.php

@@ -0,0 +1,325 @@
+<?php
+
+
+function utcdate() {
+    return gmdate("Y-m-d\Th:i:s\Z");
+}
+
+// get decimal coordinate from exif data
+function getDecimalCoords($exifCoord, $hemi) {
+    $degrees = count($exifCoord) > 0 ? exifCoordToNumber($exifCoord[0]) : 0;
+    $minutes = count($exifCoord) > 1 ? exifCoordToNumber($exifCoord[1]) : 0;
+    $seconds = count($exifCoord) > 2 ? exifCoordToNumber($exifCoord[2]) : 0;
+
+    $flip = ($hemi === 'W' or $hemi === 'S') ? -1 : 1;
+
+    return $flip * ($degrees + $minutes / 60 + $seconds / 3600);
+}
+
+// parse the coordinate string to calculate the float value
+function exifCoordToNumber($coordPart) {
+    $parts = explode('/', $coordPart);
+
+    if (count($parts) <= 0)
+        return 0;
+
+    if (count($parts) === 1)
+        return $parts[0];
+
+    return floatval($parts[0]) / floatval($parts[1]);
+}
+
+function createDomGpxWithHeaders() {
+    $dom_gpx = new DOMDocument('1.0', 'UTF-8');
+    $dom_gpx->formatOutput = true;
+
+    //root node
+    $gpx = $dom_gpx->createElement('gpx');
+    $gpx = $dom_gpx->appendChild($gpx);
+
+    $gpx_version = $dom_gpx->createAttribute('version');
+    $gpx->appendChild($gpx_version);
+    $gpx_version_text = $dom_gpx->createTextNode('1.0');
+    $gpx_version->appendChild($gpx_version_text);
+
+    $gpx_creator = $dom_gpx->createAttribute('creator');
+    $gpx->appendChild($gpx_creator);
+    $gpx_creator_text = $dom_gpx->createTextNode('GpxPod conversion tool');
+    $gpx_creator->appendChild($gpx_creator_text);
+
+    $gpx_xmlns_xsi = $dom_gpx->createAttribute('xmlns:xsi');
+    $gpx->appendChild($gpx_xmlns_xsi);
+    $gpx_xmlns_xsi_text = $dom_gpx->createTextNode('http://www.w3.org/2001/XMLSchema-instance');
+    $gpx_xmlns_xsi->appendChild($gpx_xmlns_xsi_text);
+
+    $gpx_xmlns = $dom_gpx->createAttribute('xmlns');
+    $gpx->appendChild($gpx_xmlns);
+    $gpx_xmlns_text = $dom_gpx->createTextNode('http://www.topografix.com/GPX/1/0');
+    $gpx_xmlns->appendChild($gpx_xmlns_text);
+
+    $gpx_xsi_schemaLocation = $dom_gpx->createAttribute('xsi:schemaLocation');
+    $gpx->appendChild($gpx_xsi_schemaLocation);
+    $gpx_xsi_schemaLocation_text = $dom_gpx->createTextNode('http://www.topografix.com/GPX/1/0 http://www.topografix.com/GPX/1/0/gpx.xsd');
+    $gpx_xsi_schemaLocation->appendChild($gpx_xsi_schemaLocation_text);
+
+    $gpx_time = $dom_gpx->createElement('time');
+    $gpx_time = $gpx->appendChild($gpx_time);
+    $gpx_time_text = $dom_gpx->createTextNode(utcdate());
+    $gpx_time->appendChild($gpx_time_text);
+
+    return $dom_gpx;
+}
+
+function jpgToGpx($jpgFilePath, $fileName) {
+    $result = '';
+    $exif = \exif_read_data($jpgFilePath, 0, true);
+    if (    isset($exif['GPS'])
+        and isset($exif['GPS']['GPSLongitude'])
+        and isset($exif['GPS']['GPSLatitude'])
+        and isset($exif['GPS']['GPSLatitudeRef'])
+        and isset($exif['GPS']['GPSLongitudeRef'])
+    ) {
+        $lon = getDecimalCoords($exif['GPS']['GPSLongitude'], $exif['GPS']['GPSLongitudeRef']);
+        $lat = getDecimalCoords($exif['GPS']['GPSLatitude'], $exif['GPS']['GPSLatitudeRef']);
+
+        $dom_gpx = createDomGpxWithHeaders();
+		$gpx = $dom_gpx->getElementsByTagName('gpx')->item(0);
+
+        $gpx_wpt = $dom_gpx->createElement('wpt');
+        $gpx_wpt = $gpx->appendChild($gpx_wpt);
+
+        $gpx_wpt_lat = $dom_gpx->createAttribute('lat');
+        $gpx_wpt->appendChild($gpx_wpt_lat);
+        $gpx_wpt_lat_text = $dom_gpx->createTextNode($lat);
+        $gpx_wpt_lat->appendChild($gpx_wpt_lat_text);
+
+        $gpx_wpt_lon = $dom_gpx->createAttribute('lon');
+        $gpx_wpt->appendChild($gpx_wpt_lon);
+        $gpx_wpt_lon_text = $dom_gpx->createTextNode($lon);
+        $gpx_wpt_lon->appendChild($gpx_wpt_lon_text);
+
+        $gpx_name = $dom_gpx->createElement('name');
+        $gpx_name = $gpx_wpt->appendChild($gpx_name);
+        $gpx_name_text = $dom_gpx->createTextNode($fileName);
+        $gpx_name->appendChild($gpx_name_text);
+
+        $gpx_symbol = $dom_gpx->createElement('sym');
+        $gpx_symbol = $gpx_wpt->appendChild($gpx_symbol);
+        $gpx_symbol_text = $dom_gpx->createTextNode('Flag, Blue');
+        $gpx_symbol->appendChild($gpx_symbol_text);
+
+        $result = $dom_gpx->saveXML();
+    }
+    return $result;
+}
+
+function kmlToGpx($kmlFilePath) {
+    $kmlcontent = file_get_contents($kmlFilePath);
+    $dom_kml = new DOMDocument();
+    $dom_kml->loadXML($kmlcontent);
+
+    $dom_gpx = createDomGpxWithHeaders();
+    $gpx = $dom_gpx->getElementsByTagName('gpx')->item(0);
+
+    // placemarks
+    $names = array();
+    foreach ($dom_kml->getElementsByTagName('Placemark') as $placemark) {
+        //name
+        foreach ($placemark->getElementsByTagName('name') as $name) {
+            $name  = $name->nodeValue;
+            //check if the key exists
+            if (array_key_exists($name, $names)) {
+                //increment the value
+                ++$names[$name];
+                $name = $name." ({$names[$name]})";
+            } else {
+                $names[$name] = 0;
+            }
+        }
+        //description
+        foreach ($placemark->getElementsByTagName('description') as $description) {
+            $description  = $description->nodeValue;
+        }
+        foreach ($placemark->getElementsByTagName('Point') as $point) {
+            foreach ($point->getElementsByTagName('coordinates') as $coordinates) {
+                //add the marker
+                $coordinate = $coordinates->nodeValue;
+                $coordinate = str_replace(" ", "", $coordinate);//trim white space
+                $latlng = explode(",", $coordinate);
+
+                if (($lat = $latlng[1]) && ($lng = $latlng[0])) {
+                    $gpx_wpt = $dom_gpx->createElement('wpt');
+                    $gpx_wpt = $gpx->appendChild($gpx_wpt);
+
+                    $gpx_wpt_lat = $dom_gpx->createAttribute('lat');
+                    $gpx_wpt->appendChild($gpx_wpt_lat);
+                    $gpx_wpt_lat_text = $dom_gpx->createTextNode($lat);
+                    $gpx_wpt_lat->appendChild($gpx_wpt_lat_text);
+
+                    $gpx_wpt_lon = $dom_gpx->createAttribute('lon');
+                    $gpx_wpt->appendChild($gpx_wpt_lon);
+                    $gpx_wpt_lon_text = $dom_gpx->createTextNode($lng);
+                    $gpx_wpt_lon->appendChild($gpx_wpt_lon_text);
+
+                    $gpx_time = $dom_gpx->createElement('time');
+                    $gpx_time = $gpx_wpt->appendChild($gpx_time);
+                    $gpx_time_text = $dom_gpx->createTextNode(utcdate());
+                    $gpx_time->appendChild($gpx_time_text);
+
+                    $gpx_name = $dom_gpx->createElement('name');
+                    $gpx_name = $gpx_wpt->appendChild($gpx_name);
+                    $gpx_name_text = $dom_gpx->createTextNode($name);
+                    $gpx_name->appendChild($gpx_name_text);
+
+                    $gpx_desc = $dom_gpx->createElement('desc');
+                    $gpx_desc = $gpx_wpt->appendChild($gpx_desc);
+                    $gpx_desc_text = $dom_gpx->createTextNode($description);
+                    $gpx_desc->appendChild($gpx_desc_text);
+
+                    $gpx_sym = $dom_gpx->createElement('sym');
+                    $gpx_sym = $gpx_wpt->appendChild($gpx_sym);
+                    $gpx_sym_text = $dom_gpx->createTextNode('Waypoint');
+                    $gpx_sym->appendChild($gpx_sym_text);
+                }
+            }
+        }
+        foreach ($placemark->getElementsByTagName('Polygon') as $lineString) {
+            $outbounds = $lineString->getElementsByTagName('outerBoundaryIs');
+            foreach ($outbounds as $outbound) {
+                foreach ($outbound->getElementsByTagName('coordinates') as $coordinates) {
+                    //add the new track
+                    $gpx_trk = $dom_gpx->createElement('trk');
+                    $gpx_trk = $gpx->appendChild($gpx_trk);
+
+                    $gpx_name = $dom_gpx->createElement('name');
+                    $gpx_name = $gpx_trk->appendChild($gpx_name);
+                    $gpx_name_text = $dom_gpx->createTextNode($name);
+                    $gpx_name->appendChild($gpx_name_text);
+
+                    $gpx_trkseg = $dom_gpx->createElement('trkseg');
+                    $gpx_trkseg = $gpx_trk->appendChild($gpx_trkseg);
+
+                    $coordinates = trim($coordinates->nodeValue);
+                    $coordinates = preg_split("/[\s\r\n]+/", $coordinates); //split the coords by new line
+                    foreach ($coordinates as $coordinate) {
+                        $latlng = explode(",", $coordinate);
+
+                        if (($lat = $latlng[1]) && ($lng = $latlng[0])) {
+                            $gpx_trkpt = $dom_gpx->createElement('trkpt');
+                            $gpx_trkpt = $gpx_trkseg->appendChild($gpx_trkpt);
+
+                            $gpx_trkpt_lat = $dom_gpx->createAttribute('lat');
+                            $gpx_trkpt->appendChild($gpx_trkpt_lat);
+                            $gpx_trkpt_lat_text = $dom_gpx->createTextNode($lat);
+                            $gpx_trkpt_lat->appendChild($gpx_trkpt_lat_text);
+
+                            $gpx_trkpt_lon = $dom_gpx->createAttribute('lon');
+                            $gpx_trkpt->appendChild($gpx_trkpt_lon);
+                            $gpx_trkpt_lon_text = $dom_gpx->createTextNode($lng);
+                            $gpx_trkpt_lon->appendChild($gpx_trkpt_lon_text);
+
+                            $gpx_time = $dom_gpx->createElement('time');
+                            $gpx_time = $gpx_trkpt->appendChild($gpx_time);
+                            $gpx_time_text = $dom_gpx->createTextNode(utcdate());
+                            $gpx_time->appendChild($gpx_time_text);
+                        }
+                    }
+                }
+            }
+        }
+        foreach ($placemark->getElementsByTagName('LineString') as $lineString) {
+            foreach ($lineString->getElementsByTagName('coordinates') as $coordinates) {
+                //add the new track
+                $gpx_trk = $dom_gpx->createElement('trk');
+                $gpx_trk = $gpx->appendChild($gpx_trk);
+
+                $gpx_name = $dom_gpx->createElement('name');
+                $gpx_name = $gpx_trk->appendChild($gpx_name);
+                $gpx_name_text = $dom_gpx->createTextNode($name);
+                $gpx_name->appendChild($gpx_name_text);
+
+                $gpx_trkseg = $dom_gpx->createElement('trkseg');
+                $gpx_trkseg = $gpx_trk->appendChild($gpx_trkseg);
+
+                $coordinates = trim($coordinates->nodeValue);
+                $coordinates = preg_split("/[\s\r\n]+/", $coordinates); //split the coords by new line
+                foreach ($coordinates as $coordinate) {
+                    //echo 'NAME :'.$gpx_name_text->nodeValue.' AA "'.$coordinate."\" ZZ\n";
+                    $latlng = explode(",", $coordinate);
+
+                    if (($lat = $latlng[1]) && ($lng = $latlng[0])) {
+                        $gpx_trkpt = $dom_gpx->createElement('trkpt');
+                        $gpx_trkpt = $gpx_trkseg->appendChild($gpx_trkpt);
+
+                        $gpx_trkpt_lat = $dom_gpx->createAttribute('lat');
+                        $gpx_trkpt->appendChild($gpx_trkpt_lat);
+                        $gpx_trkpt_lat_text = $dom_gpx->createTextNode($lat);
+                        $gpx_trkpt_lat->appendChild($gpx_trkpt_lat_text);
+
+                        $gpx_trkpt_lon = $dom_gpx->createAttribute('lon');
+                        $gpx_trkpt->appendChild($gpx_trkpt_lon);
+                        $gpx_trkpt_lon_text = $dom_gpx->createTextNode($lng);
+                        $gpx_trkpt_lon->appendChild($gpx_trkpt_lon_text);
+
+                        $gpx_time = $dom_gpx->createElement('time');
+                        $gpx_time = $gpx_trkpt->appendChild($gpx_time);
+                        $gpx_time_text = $dom_gpx->createTextNode(utcdate());
+                        $gpx_time->appendChild($gpx_time_text);
+                    }
+                }
+            }
+        }
+    }
+
+    return $dom_gpx->saveXML();
+}
+
+function unicsvToGpx($csvFilePath) {
+    $result = '';
+    $dom_gpx = createDomGpxWithHeaders();
+    $gpx = $dom_gpx->getElementsByTagName('gpx')->item(0);
+
+    $csv = array_map('str_getcsv', file($csvFilePath, FILE_SKIP_EMPTY_LINES));
+    $keys = array_shift($csv);
+
+    foreach ($csv as $i=>$row) {
+        $csv[$i] = array_combine($keys, $row);
+    }
+
+    foreach ($csv as $line) {
+        $lat = $line['Latitude'];
+        $lon = $line['Longitude'];
+
+        $gpx_wpt = $dom_gpx->createElement('wpt');
+        $gpx_wpt = $gpx->appendChild($gpx_wpt);
+
+        $gpx_wpt_lat = $dom_gpx->createAttribute('lat');
+        $gpx_wpt->appendChild($gpx_wpt_lat);
+        $gpx_wpt_lat_text = $dom_gpx->createTextNode($lat);
+        $gpx_wpt_lat->appendChild($gpx_wpt_lat_text);
+
+        $gpx_wpt_lon = $dom_gpx->createAttribute('lon');
+        $gpx_wpt->appendChild($gpx_wpt_lon);
+        $gpx_wpt_lon_text = $dom_gpx->createTextNode($lon);
+        $gpx_wpt_lon->appendChild($gpx_wpt_lon_text);
+
+        if (array_key_exists('Symbol', $line)) {
+            $gpx_symbol = $dom_gpx->createElement('sym');
+            $gpx_symbol = $gpx_wpt->appendChild($gpx_symbol);
+            $gpx_symbol_text = $dom_gpx->createTextNode($line['Symbol']);
+            $gpx_symbol->appendChild($gpx_symbol_text);
+        }
+        if (array_key_exists('Name', $line)) {
+            $gpx_name = $dom_gpx->createElement('name');
+            $gpx_name = $gpx_wpt->appendChild($gpx_name);
+            $gpx_name_text = $dom_gpx->createTextNode($line['Name']);
+            $gpx_name->appendChild($gpx_name_text);
+        }
+
+    }
+    $result = $dom_gpx->saveXML();
+
+    return $result;
+}
+
+?>

controller/pagecontroller.php

@@ -27,6 +27,8 @@ use OCP\AppFramework\Http\DataResponse;
 use OCP\AppFramework\Http\Response;
 use OCP\AppFramework\Controller;
 
+require_once('conversion.php');
+
 function delTree($dir) {
     $files = array_diff(scandir($dir), array('.','..'));
     foreach ($files as $file) {
@@ -184,6 +186,7 @@ class PageController extends Controller {
      * convert the given file (csv or kml) to gpx and return its content
      */
     private function toGpx($file){
+        $gpxContent = '';
         $gpsbabel_path = getProgramPath('gpsbabel');
         $data_folder = $this->userAbsoluteDataPath;
         $tempdir = $data_folder.'/../cache/'.rand();
@@ -192,39 +195,21 @@ class PageController extends Controller {
         $filename = $file->getName();
         $filecontent = $file->getContent();
         $file_clear_path = $tempdir.'/'.$filename;
-        $gpx_target_clear_path = $tempdir.'/'.$filename.'.gpx';
         file_put_contents($file_clear_path, $filecontent);
 
         if (endswith($file->getName(), '.KML') or endswith($file->getName(), '.kml')){
-            $fmt = 'kml';
+            $gpxContent = kmlToGpx($file_clear_path);
         }
         else if (endswith($file->getName(), '.csv') or endswith($file->getName(), '.CSV')){
-            $fmt = 'unicsv';
+            $gpxContent = unicsvToGpx($file_clear_path);
         }
         else if (endswith($file->getName(), '.jpg') or endswith($file->getName(), '.JPG')){
-            $fmt = 'exif';
+            $gpxContent = jpgToGpx($file_clear_path, $filename);
-        }
-        $args = Array('-i', $fmt, '-f', $file_clear_path, '-o',
-            'gpx', '-F', $gpx_target_clear_path);
-        $cmdparams = '';
-        foreach($args as $arg){
-            $shella = escapeshellarg($arg);
-            $cmdparams .= " $shella";
-        }
-        exec(
-            $gpsbabel_path.' '.$cmdparams,
-            $output, $returnvar
-        );
-        if (file_exists($gpx_target_clear_path)){
-            $gpx_clear_content = file_get_contents($gpx_target_clear_path);
-        }
-        else{
-            $gpx_clear_content = '';
         }
 
         delTree($tempdir);
 
-        return $gpx_clear_content;
+        return $gpxContent;
     }
 
     /**