Initial public commit

lib/logic/met_api_logic.dart

@@ -0,0 +1,23 @@
+import 'dart:collection';
+
+import 'package:wonders/common_libs.dart';
+import 'package:wonders/logic/common/string_utils.dart';
+import 'package:wonders/logic/data/artifact_data.dart';
+import 'package:wonders/logic/met_api_service.dart';
+
+import 'package:wonders/logic/common/http_client.dart';
+
+class MetAPILogic {
+  final HashMap<String, ArtifactData?> _artifactCache = HashMap();
+
+  MetAPIService get service => GetIt.I.get<MetAPIService>();
+
+  /// Returns artifact data by ID. Returns null if artifact cannot be found. */
+  Future<ArtifactData?> getArtifactByID(String id) async {
+    if (_artifactCache.containsKey(id)) return _artifactCache[id];
+    ServiceResult<ArtifactData?> result = (await service.getObjectByID(id));
+    if (!result.success) throw StringUtils.supplant($strings.artifactDetailsErrorNotFound, {'{artifactId}': id});
+    ArtifactData? artifact = result.content;
+    return _artifactCache[id] = artifact;
+  }
+}