更新睡眠报告

lib/common/util/MyUtils.dart

@@ -14,6 +14,27 @@ ThemeController themeController = Get.find();
 LanguageController languageController = Get.find();
 
 class MyUtils {
+  static String formatToDate(int timestamp) {
+    final dateTime = DateTime.fromMillisecondsSinceEpoch(timestamp);
+    return "${dateTime.year}-${dateTime.month}-${dateTime.day.toString().padLeft(2, '0')}";
+  }
+
+  static Map<String, int> diffHoursMinutesMap(int startMillis, int endMillis) {
+    final duration = Duration(milliseconds: endMillis - startMillis);
+    final hours = duration.inHours;
+    final minutes = duration.inMinutes % 60;
+    return {
+      "hours": hours,
+      "minutes": minutes,
+    };
+  }
+
+  static String formatToHHmm(int timestampMillis) {
+    final dateTime = DateTime.fromMillisecondsSinceEpoch(timestampMillis);
+    final twoDigits = (int n) => n.toString().padLeft(2, '0');
+    return '${twoDigits(dateTime.hour)}:${twoDigits(dateTime.minute)}';
+  }
+
   static ApiResponse formatResponse(
     ApiResponse res,
     String successMsg,