refactor: move leaderboard ranking to models

packages/leaderboard_repository/lib/src/leaderboard_repository.dart

@@ -1,25 +1,6 @@
 import 'package:cloud_firestore/cloud_firestore.dart';
-import 'package:equatable/equatable.dart';
 import 'package:leaderboard_repository/leaderboard_repository.dart';
 
-/// {@template leaderboard_ranking}
-/// Contains [ranking] for a single [LeaderboardEntry] and the number of players
-/// the [ranking] is [outOf].
-/// {@endtemplate}
-class LeaderboardRanking extends Equatable {
-  /// {@macro leaderboard_ranking}
-  const LeaderboardRanking({required this.ranking, required this.outOf});
-
-  /// Place ranking by score for a [LeaderboardEntry].
-  final int ranking;
-
-  /// Number of [LeaderboardEntry]s at the time of score entry.
-  final int outOf;
-
-  @override
-  List<Object> get props => [ranking, outOf];
-}
-
 /// {@template leaderboard_exception}
 /// Base exception for leaderboard repository failures.
 /// {@endtemplate}

packages/leaderboard_repository/lib/src/models/leaderboard_ranking.dart

@@ -0,0 +1,20 @@
+import 'package:equatable/equatable.dart';
+import 'package:leaderboard_repository/leaderboard_repository.dart';
+
+/// {@template leaderboard_ranking}
+/// Contains [ranking] for a single [LeaderboardEntry] and the number of players
+/// the [ranking] is [outOf].
+/// {@endtemplate}
+class LeaderboardRanking extends Equatable {
+  /// {@macro leaderboard_ranking}
+  const LeaderboardRanking({required this.ranking, required this.outOf});
+
+  /// Place ranking by score for a [LeaderboardEntry].
+  final int ranking;
+
+  /// Number of [LeaderboardEntry]s at the time of score entry.
+  final int outOf;
+
+  @override
+  List<Object> get props => [ranking, outOf];
+}

packages/leaderboard_repository/lib/src/models/models.dart

@@ -1 +1,2 @@
 export 'leaderboard_entry.dart';
+export 'leaderboard_ranking.dart';

packages/leaderboard_repository/test/src/models/leaderboard_ranking_test.dart

@@ -0,0 +1,19 @@
+import 'package:leaderboard_repository/leaderboard_repository.dart';
+import 'package:test/test.dart';
+
+void main() {
+  group('LeaderboardRanking', () {
+    test('can be instantiated', () {
+      const leaderboardRanking = LeaderboardRanking(ranking: 1, outOf: 1);
+
+      expect(leaderboardRanking, isNotNull);
+    });
+
+    test('supports value equality.', () {
+      const leaderboardRanking = LeaderboardRanking(ranking: 1, outOf: 1);
+      const leaderboardRanking2 = LeaderboardRanking(ranking: 1, outOf: 1);
+
+      expect(leaderboardRanking, equals(leaderboardRanking2));
+    });
+  });
+}