feat: get render mode info from firestore (#100)

* feat: get render mode info from firestore

* feat: update method to use several limits

packages/board_info_repository/lib/src/board_info_repository.dart

@@ -34,7 +34,7 @@ class BoardInfoRepository {
   /// The [CollectionReference] for the config.
   late final CollectionReference<Map<String, dynamic>> boardInfoCollection;
 
-  /// Return the total words count available in the crossword.
+  /// Returns the total words count available in the crossword.
   Future<int> getTotalWordsCount() async {
     try {
       final results = await boardInfoCollection
@@ -48,7 +48,7 @@ class BoardInfoRepository {
     }
   }
 
-  /// Return the solved words count in the crossword.
+  /// Returns the solved words count in the crossword.
   Future<int> getSolvedWordsCount() async {
     try {
       final results = await boardInfoCollection
@@ -61,4 +61,17 @@ class BoardInfoRepository {
       throw BoardInfoException(error, stackStrace);
     }
   }
+
+  /// Returns the limit at which the render mode should switch
+  Future<List<double>> getRenderModeZoomLimits() async {
+    try {
+      final results = await boardInfoCollection
+          .where('type', isEqualTo: 'render_mode_limit')
+          .get();
+
+      return results.docs.map((e) => e.data()['value'] as double).toList();
+    } catch (error, stackStrace) {
+      throw BoardInfoException(error, stackStrace);
+    }
+  }
 }

packages/board_info_repository/test/src/board_info_repository_test.dart

@@ -39,6 +39,9 @@ void main() {
       when(
         () => collection.where('type', isEqualTo: 'solved_words_count'),
       ).thenReturn(collection);
+      when(
+        () => collection.where('type', isEqualTo: 'render_mode_limit'),
+      ).thenReturn(collection);
 
       when(collection.get).thenAnswer((_) async => query);
       when(() => query.docs).thenReturn([doc]);
@@ -87,6 +90,24 @@ void main() {
         );
       });
     });
+
+    group('getRenderModeZoomLimit', () {
+      test('returns render mode limit from firebase', () async {
+        mockQueryResult(0.6);
+        final result = await boardInfoRepository.getRenderModeZoomLimits();
+        expect(result, equals([0.6]));
+      });
+
+      test('throws BoardInfoException when fetching the info fails', () {
+        when(
+          () => collection.where('type', isEqualTo: 'render_mode_limit'),
+        ).thenThrow(Exception('oops'));
+        expect(
+          () => boardInfoRepository.getRenderModeZoomLimits(),
+          throwsA(isA<BoardInfoException>()),
+        );
+      });
+    });
   });
 
   group('BoardInfoException', () {