Add vidme support (#568)

src/channel/mediarefresher.js

@@ -39,6 +39,12 @@ MediaRefresherModule.prototype.onPreMediaChange = function (data, cb) {
                 pl._refreshing = false;
                 cb(null, ChannelModule.PASSTHROUGH);
             });
+        case "vm":
+            pl._refreshing = true;
+            return this.initVidme(data, function () {
+                pl._refreshing = false;
+                cb(null, ChannelModule.PASSTHROUGH);
+            });
         default:
             return cb(null, ChannelModule.PASSTHROUGH);
     }
@@ -220,4 +226,58 @@ MediaRefresherModule.prototype.initGooglePlus = function (media, cb) {
     });
 };
 
+MediaRefresherModule.prototype.initVidme = function (data, cb) {
+    var self = this;
+    self.refreshVidme(data, cb);
+
+    /*
+     * Refresh every 55 minutes.
+     * The expiration is 1 hour, but refresh 5 minutes early to be safe
+     */
+    self._interval = setInterval(function () {
+        self.refreshVidme(data);
+    }, 55 * 60 * 1000);
+};
+
+MediaRefresherModule.prototype.refreshVidme = function (media, cb) {
+    var self = this;
+
+    if (self.dead || self.channel.dead) {
+        self.unload();
+        return;
+    }
+
+    self.channel.refCounter.ref("MediaRefresherModule::refreshVidme");
+    InfoGetter.getMedia(media.id, "vm", function (err, data) {
+        if (self.dead || self.channel.dead) {
+            return;
+        }
+
+        if (err) {
+            self.channel.logger.log("[mediarefresher] Vidme refresh failed: " + err);
+            self.channel.refCounter.unref("MediaRefresherModule::refreshVidme");
+            if (cb) {
+                process.nextTick(cb);
+            }
+            return;
+        }
+
+        if (media !== self._media) {
+            self.channel.refCounter.unref("MediaRefresherModule::refreshVidme");
+            if (cb) {
+                process.nextTick(cb);
+            }
+            return;
+        }
+
+        self.channel.logger.log("[mediarefresher] Refreshed Vidme video with ID " +
+            media.id);
+        media.meta = data.meta;
+        self.channel.refCounter.unref("MediaRefresherModule::refreshVidme");
+        if (cb) {
+            process.nextTick(cb);
+        }
+    });
+}
+
 module.exports = MediaRefresherModule;