1 files changed, 49 insertions, 0 deletions
diff --git a/lib/data/data_providers/radio_presets_provider.dart b/lib/data/data_providers/radio_presets_provider.dart
new file mode 100644
index 0000000..9ee68ac
--- /dev/null
+++ b/lib/data/data_providers/radio_presets_provider.dart
@@ -0,0 +1,49 @@
+import 'dart:io';
+import 'package:flutter_ics_homescreen/export.dart';
+import 'package:yaml/yaml.dart';
+
+class RadioPreset {
+  final int frequency;
+  final String name;
+
+  RadioPreset({required this.frequency, required this.name});
+}
+
+class RadioPresets {
+  final List<RadioPreset> fmPresets;
+
+  RadioPresets({required this.fmPresets});
+}
+
+final radioPresetsProvider = Provider((ref) {
+  final presetsFilename = ref.read(appConfigProvider).radioConfig.presets;
+  if (presetsFilename.isEmpty) {
+    return RadioPresets(fmPresets: []);
+  }
+  try {
+    print("Reading radio presets $presetsFilename");
+    var presetsFile = File(presetsFilename);
+    String content = presetsFile.readAsStringSync();
+    final dynamic yamlMap = loadYaml(content);
+
+    List<RadioPreset> presets = [];
+    if (yamlMap.containsKey('fm')) {
+      dynamic list = yamlMap['fm'];
+      if (list is YamlList) {
+        for (var element in list) {
+          if ((element is YamlMap) &&
+              element.containsKey('frequency') &&
+              element.containsKey('name')) {
+            presets.add(RadioPreset(
+                frequency: element['frequency'].toInt(),
+                name: element['name'].toString()));
+          }
+        }
+      }
+    }
+    return RadioPresets(fmPresets: presets);
+  } catch (_) {
+    debugPrint("Exception reading presets!");
+    return RadioPresets(fmPresets: []);
+  }
+});