[feat-930] added added date sorting for maps/songs (#931)

* [feat-930] added added date sorting for maps/songs

* [feat-930] add translations

* [feat-930] fixed date format issue

---------

Co-authored-by: Zagrios <40181755+Zagrios@users.noreply.github.com>

src/shared/models/maps/bsm-local-map.interface.ts

@@ -8,6 +8,12 @@ export interface BsmLocalMap {
     mapInfo: MapInfo;
     songDetails?: SongDetails;
     path: string;
+    metadata?: BsmLocalMapMetadata;
+}
+
+export interface BsmLocalMapMetadata {
+    // Date of download or import
+    addedDate: string;
 }
 
 export interface BsmLocalMapsProgress {

src/shared/models/maps/sorter.ts

@@ -35,6 +35,13 @@ export const mapSorter = new Sorter<BsmLocalMap>({
 
             return !map2.songDetails ? Comparison.GREATER : map1.songDetails.uploadedAt - map2.songDetails.uploadedAt;
         },
+        "added-date": (map1, map2) => {
+            if (!map1.metadata) {
+                return map2.metadata ? Comparison.LESSER : Comparison.EQUAL;
+            }
+
+            return !map2.metadata ? Comparison.GREATER : map1.metadata.addedDate.localeCompare(map2.metadata.addedDate);
+        }
     },
     tiebreak: sortName,
     defaultKey: "name"