init

lib/models/merged_record.dart

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+import 'package:lbjconsole/models/train_record.dart';
+
+class MergedTrainRecord {
+  final String groupKey;
+  final List<TrainRecord> records;
+  final TrainRecord latestRecord;
+
+  MergedTrainRecord({
+    required this.groupKey,
+    required this.records,
+    required this.latestRecord,
+  });
+
+  int get recordCount => records.length;
+}
+
+class MergeSettings {
+  final bool enabled;
+  final GroupBy groupBy;
+  final TimeWindow timeWindow;
+
+  MergeSettings({
+    this.enabled = true,
+    this.groupBy = GroupBy.trainAndLoco,
+    this.timeWindow = TimeWindow.unlimited,
+  });
+
+  factory MergeSettings.fromMap(Map<String, dynamic> map) {
+    return MergeSettings(
+      enabled: (map['mergeRecordsEnabled'] ?? 0) == 1,
+      groupBy: GroupBy.values.firstWhere(
+        (e) => e.name == map['groupBy'],
+        orElse: () => GroupBy.trainAndLoco,
+      ),
+      timeWindow: TimeWindow.values.firstWhere(
+        (e) => e.name == map['timeWindow'],
+        orElse: () => TimeWindow.unlimited,
+      ),
+    );
+  }
+}
+
+enum GroupBy {
+  trainOnly,
+  locoOnly,
+  trainOrLoco,
+  trainAndLoco,
+}
+
+enum TimeWindow {
+  oneHour(Duration(hours: 1)),
+  twoHours(Duration(hours: 2)),
+  sixHours(Duration(hours: 6)),
+  twelveHours(Duration(hours: 12)),
+  oneDay(Duration(days: 1)),
+  unlimited(null);
+
+  final Duration? duration;
+  const TimeWindow(this.duration);
+}