49 lines
1.5 KiB
Dart
49 lines
1.5 KiB
Dart
import 'dart:developer' as dev;
|
||
|
||
class TimeUtils {
|
||
/// 解析日志行中的时间戳，强制解析为 UTC
|
||
static DateTime? parseLogTimestamp(String line) {
|
||
final reg = RegExp(r'\[(\d{4}-\d{2}-\d{2}) (\d{2}:\d{2}:\d{2})\]');
|
||
final match = reg.firstMatch(line);
|
||
if (match == null) return null;
|
||
try {
|
||
final dateParts = match.group(1)!.split('-');
|
||
final timeParts = match.group(2)!.split(':');
|
||
return DateTime.utc(
|
||
int.parse(dateParts[0]),
|
||
int.parse(dateParts[1]),
|
||
int.parse(dateParts[2]),
|
||
int.parse(timeParts[0]),
|
||
int.parse(timeParts[1]),
|
||
int.parse(timeParts[2]),
|
||
);
|
||
} catch (_) {
|
||
return null;
|
||
}
|
||
}
|
||
|
||
/// 判断日志时间戳是否在有效窗口内
|
||
static bool isLogTimestampValid(
|
||
DateTime? logTime,
|
||
DateTime? chargingStartTime,
|
||
) {
|
||
if (logTime == null) return false;
|
||
if (chargingStartTime == null) {
|
||
final nowUtc = DateTime.now().toUtc();
|
||
final diff = nowUtc.difference(logTime);
|
||
return diff.abs().inMinutes <= 3;
|
||
}
|
||
final endTime = chargingStartTime.add(const Duration(minutes: 3));
|
||
return logTime.isAfter(chargingStartTime) && logTime.isBefore(endTime);
|
||
}
|
||
|
||
/// 生成今日日志文件名（UTC）
|
||
static String getTodayFileName() {
|
||
final nowUtc = DateTime.now().toUtc();
|
||
final year = nowUtc.year.toString();
|
||
final month = nowUtc.month.toString().padLeft(2, '0');
|
||
final day = nowUtc.day.toString().padLeft(2, '0');
|
||
return 'mbattery_charger_log_${year}_${month}_$day';
|
||
}
|
||
}
|