using filenames based on date

apps/recorder/ChangeLog

@@ -29,4 +29,5 @@
 0.23: Add graphing for HRM, fix some other graphs
       Altitude graphing now uses barometer altitude if it exists
       plotTrack in widget allows track to be drawn in the background (doesn't block execution)
-0.24: Can now specify `setRecording(true, {force:...` to not show a menu
+0.24: Can now specify `setRecording(true, {force:...` to not show a menu
+0.25: Now record filename based on date

apps/recorder/app.js

@@ -33,10 +33,8 @@ function updateSettings() {
 function getTrackNumber(filename) {
   var trackNum = 0;
   var matches = filename.match(/^recorder\.log(.*)\.csv$/);
-  if (matches) {
-    trackNum = parseInt(matches[1]||0);
-  }
-  return trackNum;
+  if (matches) return matches[1];
+  return 0;
 }
 
 function showMainMenu() {
@@ -62,23 +60,13 @@ function showMainMenu() {
           WIDGETS["recorder"].setRecording(v).then(function() {
             //print("Record start Complete");
             loadSettings();
-            print("Recording: "+settings.recording);
+            //print("Recording: "+settings.recording);
             showMainMenu();
           });
         }, 1);
       }
     },
-    /*LANG*/'File #': {
-      value: getTrackNumber(settings.file),
-      min: 0,
-      max: 99,
-      step: 1,
-      onchange: v => {
-        settings.recording = false; // stop recording if we change anything
-        settings.file = "recorder.log"+v+".csv";
-        updateSettings();
-      }
-    },
+    /*LANG*/'File' : {value:getTrackNumber(settings.file)},
     /*LANG*/'View Tracks': ()=>{viewTracks();},
     /*LANG*/'Time Period': {
       value: settings.period||10,
@@ -110,7 +98,7 @@ function viewTracks() {
   var found = false;
   require("Storage").list(/^recorder\.log.*\.csv$/,{sf:true}).forEach(filename=>{
     found = true;
-    menu[/*LANG*/"Track "+getTrackNumber(filename)] = ()=>viewTrack(filename,false);
+    menu[/*LANG*/getTrackNumber(filename)] = ()=>viewTrack(filename,false);
   });
   if (!found)
     menu[/*LANG*/"No Tracks found"] = function(){};
@@ -353,7 +341,7 @@ function viewTrack(filename, info) {
         infc[i]++;
       }
     } else if (style=="Altitude") {
-      title = /*LANG*/"Altitude (m)";      
+      title = /*LANG*/"Altitude (m)";
       var altIdx = info.fields.indexOf("Barometer Altitude");
       if (altIdx<0) altIdx = info.fields.indexOf("Altitude");
       while(l!==undefined) {

apps/recorder/metadata.json

@@ -2,7 +2,7 @@
   "id": "recorder",
   "name": "Recorder",
   "shortName": "Recorder",
-  "version": "0.24",
+  "version": "0.25",
   "description": "Record GPS position, heart rate and more in the background, then download to your PC.",
   "icon": "app.png",
   "tags": "tool,outdoors,gps,widget",

apps/recorder/widget.js

@@ -244,7 +244,7 @@
         if (!options.force) { // if not forced, ask the question
           g.reset(); // work around bug in 2v17 and earlier where bg color wasn't reset
           return E.showPrompt(
-                    /*LANG*/"Overwrite\nLog " + settings.file.match(/\d+/)[0] + "?",
+                    /*LANG*/"Overwrite\nLog " + settings.file.match(/^recorder\.log(.*)\.csv$/)[1] + "?",
                     { title:/*LANG*/"Recorder",
                       buttons:{/*LANG*/"Yes":"overwrite",/*LANG*/"No":"cancel",/*LANG*/"New":"new",/*LANG*/"Append":"append"}
                     }).then(selection=>{
@@ -260,11 +260,13 @@
           // wipe the file
           require("Storage").open(settings.file,"r").erase();
         } else if (options.force=="new") {
-          // new file - find the max log file number and add one
-          var maxNumber=0;
-          require("Storage").list(/recorder.log.*/).forEach( fn => maxNumber = Math.max(maxNumber, fn.match(/\d+/)[0]) );
-          var newFileName = "recorder.log" + (maxNumber + 1) + ".csv";
-          // FIXME: use date?
+          // new file - use the current date
+          var date=(new Date()).toISOString().substr(0,10).replace(/-/g,""), trackNo=10;
+          var newFileName;
+          do { // while a file exists, add one to the letter after the date
+            newFileName = "recorder.log" + date + trackNo.toString(36) + ".csv";
+            trackNo++;
+          } while (require("Storage").list(newFileName).length);
           settings.file = newFileName;
         } else throw new Error("Unknown options.force, "+options.force);
       }