Les débuts de la sauvegarde

package-lock.json

@@ -428,6 +428,12 @@
       "integrity": "sha1-FJ1RJQ3vwwnw0D0wb+KOiYgbqE0=",
       "dev": true
     },
+    "cordova-plugin-file": {
+      "version": "6.0.2",
+      "resolved": "https://registry.npmjs.org/cordova-plugin-file/-/cordova-plugin-file-6.0.2.tgz",
+      "integrity": "sha512-m7cughw327CjONN/qjzsTpSesLaeybksQh420/gRuSXJX5Zt9NfgsSbqqKDon6jnQ9Mm7h7imgyO2uJ34XMBtA==",
+      "dev": true
+    },
     "cordova-plugin-gyroscope": {
       "version": "0.1.4",
       "resolved": "https://registry.npmjs.org/cordova-plugin-gyroscope/-/cordova-plugin-gyroscope-0.1.4.tgz",

package.json

@@ -17,6 +17,7 @@
     "cordova-browser": "^6.0.0",
     "cordova-plugin-device-motion": "^2.0.1",
     "cordova-plugin-device-orientation": "^2.0.1",
+    "cordova-plugin-file": "^6.0.2",
     "cordova-plugin-gyroscope": "^0.1.4",
     "cordova-plugin-indooratlas": "git+https://github.com/IndoorAtlas/cordova-plugin.git",
     "cordova-plugin-magnetometer": "git+https://github.com/sdesalas/cordova-plugin-magnetometer.git",
@@ -31,7 +32,8 @@
       "cordova-plugin-gyroscope": {},
       "cordova-plugin-magnetometer": {},
       "cordova-plugin-indooratlas": {},
-      "cordova-plugin-sensors": {}
+      "cordova-plugin-sensors": {},
+      "cordova-plugin-file": {}
     },
     "platforms": [
       "android",

www/js/index.js

@@ -33,6 +33,7 @@ var gyroscope = navigator.gyroscope;
 var magnetometer = navigator.magnetometer;
 var sensors = navigator.orientation;
 var rotation = navigator.rotationvector;
+var saveFile;
 
 
 ///var IndoorAtlas = navigator.indooratlas;
@@ -55,6 +56,19 @@ function onDeviceReady() {
     navigator.gyroscope.watch((gyro) => {gyroscope = gyro;}, (error) => handleError(error), { frequency: 100 });
     //start watching magneto
     cordova.plugins.magnetometer.watchReadings((magn) => {magnetometer = magn;}, (error) => handleError(error), { frequency: 100 });
+
+    // Creating a file to save data
+    window.requestFileSystem(LocalFileSystem.PERSISTENT, 0, function(fs) {
+        console.log('file system open : ' + fs.name);
+        fs.root.getFile('sessionData.csv', {create: true, exclusive: true}, function(fileEntry) {
+            saveFile = fileEntry;
+            console.log('File opened ; fileEntry is file ? ' + fileEntry.isFile.toString());
+        }, handleError);
+    }, handleError);
+
+    readFile(saveFile);
+    writeFile(saveFile, 'Je suis beau');
+    readFile(saveFile);
     }
 
 
@@ -69,8 +83,9 @@ function handleButtonEvent() {
         + "\n   alti: "      + position.coords.altitude
         + "\n   heading: "   + position.coords.heading
         + "\n   speed: "     + position.coords.speed
-        + "\n   accuracy: "  + position.coords.accuracy;
+        + "\n   accuracy: "  + position.coords.accuracy
     }
+    console.log(position);
     //Set acceleration in html
     document.getElementById('accelerometerData').innerHTML = ""
     + "   timestamp: " + acceleration.timestamp
@@ -79,26 +94,26 @@ function handleButtonEvent() {
     + "\n   Z: "      + acceleration.z;
 
     //Set gyroscope in html
-    document.getElementById('gyroscopeData').innerHTML = ""
-    + "   timestamp: " + gyroscope.timestamp
-    + "\n   X: "      + gyroscope.x
-    + "\n   Y: "      + gyroscope.y
-    + "\n   Z: "      + gyroscope.z;
+    // document.getElementById('gyroscopeData').innerHTML = ""
+    // + "   timestamp: " + gyroscope.timestamp
+    // + "\n   X: "      + gyroscope.x
+    // + "\n   Y: "      + gyroscope.y
+    // + "\n   Z: "      + gyroscope.z;
 
     //Set magnetometer in html
-    document.getElementById('magnetometerData').innerHTML = ""
-    + "   timestamp: " + acceleration.timestamp
-    + "\n   X: "      + magnetometer.x
-    + "\n   Y: "      + magnetometer.y
-    + "\n   Z: "      + magnetometer.z;
+    // document.getElementById('magnetometerData').innerHTML = ""
+    // + "   timestamp: " + acceleration.timestamp
+    // + "\n   X: "      + magnetometer.x
+    // + "\n   Y: "      + magnetometer.y
+    // + "\n   Z: "      + magnetometer.z;
 
     //TODO: save to file / db
-    
+    // save(position, acceleration, gyroscope, magnetometer);
 }
 
 function handleError(error) {
     //TODO: log error to error file / db
-    console.log('error');
+    console.log(error);
 }
 
 function startOrStopTimer() {
@@ -109,3 +124,32 @@ function startOrStopTimer() {
         timer = null;
     }
 }
+
+function writeFile(fileEntry, dataObj) {
+    fileEntry.createWriter(function(fileWriter) {
+        fileWriter.onwritend = function() {
+            console.log('xriting successful');
+        }
+        fileWriter.onerror = function() {
+            console.log('Erreur d\'écriture');
+        }
+
+        if (dataObj) {
+            console.log('pas de données d\'entrée');
+        }
+
+        fileWriter.write(dataObj);
+    });
+}
+
+function readFile(fileEntry) {
+    fileEntry.file(function(file) {
+        var reader = new FileReader();
+
+        reader.onloadend = function() {
+            console.log('Success : ' + this.result);
+        }
+
+        reader.readAsText(file);
+    }, handleError);
+}
\ No newline at end of file