Wire up google drive subtitles

lib/google2vtt.js

@@ -17,6 +17,8 @@ function md5(input) {
 
 var slice = Array.prototype.slice;
 var subtitleDir = path.resolve(__dirname, '..', 'google-drive-subtitles');
+var ONE_HOUR = 60 * 60 * 1000;
+var ONE_DAY = 24 * ONE_HOUR;
 
 function padZeros(n) {
     n = n.toString();
@@ -129,6 +131,7 @@ function fetchSubtitles(id, lang, name, vid, file, cb) {
                 if (err) {
                     cb(err);
                 } else {
+                    Logger.syslog.log('Saved subtitle file ' + file);
                     cb();
                 }
             });
@@ -137,3 +140,29 @@ function fetchSubtitles(id, lang, name, vid, file, cb) {
         cb(err);
     });
 }
+
+function clearOldSubtitles() {
+    fs.readdir(subtitleDir, function (err, files) {
+        if (err) {
+            Logger.errlog.log(err.stack);
+            return;
+        }
+
+        files.forEach(function (file) {
+            fs.stat(path.join(subtitleDir, file), function (err, stats) {
+                if (err) {
+                    Logger.errlog.log(err.stack);
+                    return;
+                }
+
+                if (stats.mtime.getTime() < Date.now() - ONE_DAY) {
+                    Logger.syslog.log('Deleting old subtitle file: ' + file);
+                    fs.unlink(path.join(subtitleDir, file));
+                }
+            });
+        });
+    });
+}
+
+setInterval(clearOldSubtitles, ONE_HOUR);
+clearOldSubtitles();

lib/media.js

@@ -37,7 +37,8 @@ Media.prototype = {
                 codec: this.meta.codec,
                 bitrate: this.meta.bitrate,
                 scuri: this.meta.scuri,
-                embed: this.meta.embed
+                embed: this.meta.embed,
+                gdrive_subtitles: this.meta.gdrive_subtitles
             }
         };
     },