fix most listened tracks. fix #19

services/database/tracks.js

@@ -97,9 +97,16 @@ exports.mostListened = function (filter, callback) {
         }
       }, { $match: { "album.visibility": { $in: filter } } });
   } else {
-    aggregate.unshift({ $match: { type: 'track' } });
+    dbo.collection("history")
-  }
+      .find()
-  aggregate.push({ $sort: { counter: -1, _id: -1 } }, { $limit: 6 })
+      .project({ _id: true })
+      .sort({ _id: -1 })
+      .limit(1000)
+      .toArray((err, ids) => {
+        let arr = ids.map(h => h._id);
+
+        aggregate.unshift({ $match: { type: 'track', _id: { $in: arr } } });
+        aggregate.push({ $sort: { counter: -1 } }, { $limit: 6 })
 
         dbo
           .collection("history")
@@ -110,4 +117,7 @@ exports.mostListened = function (filter, callback) {
             if (err) throw err;
             callback(result);
           });
+      });
+  }
+
 };