Files
MEIZU-Battery-Healthy/lib/services/battery_data_service.dart
T

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2.8 KiB
Dart

import 'dart:developer' as dev;
import '../services/database_service.dart';
import '../logic/capacity_extractor.dart';
import '../models/saf_permission_state.dart';
import '../services/saf_storage_service.dart';
/// 电池数据服务:扫描日志、更新数据库
class BatteryDataService {
final SafStorageService _safService = SafStorageService();
final DatabaseService _dbService = DatabaseService();
/// 扫描所有日志文件并更新数据库
Future<void> scanAndUpdateDB() async {
dev.log('🔵 scanAndUpdateDB 开始', name: 'BatteryHealth');
final state = await _safService.getPermissionState();
if (state != SafPermissionState.authorized) {
dev.log('🔵 scanAndUpdateDB: 未授权', name: 'BatteryHealth');
return;
}
try {
final files = await _safService.listFiles();
final filePattern = RegExp(r'mbattery_charger_log_(\d{4}_\d{2}_\d{2})$');
for (String fileName in files) {
final match = filePattern.firstMatch(fileName);
if (match == null) continue;
final dateStr = match.group(1)!.replaceAll('_', '-');
dev.log('🔵 处理文件: $fileName, 日期: $dateStr', name: 'BatteryHealth');
try {
final lines = await _safService.readLogFile(fileName);
if (lines.isEmpty) continue;
// 使用 CapacityExtractor 提取容量
final cap = CapacityExtractor.extractCapacity(lines);
if (cap == null) {
dev.log('🔵 文件 $fileName 无容量数据', name: 'BatteryHealth');
continue;
}
// 提取电压极值
final voltReg = RegExp(r'vbat=(\d+)');
double? maxVolt, minVolt;
for (String line in lines) {
if (!line.contains('tbat=')) continue;
final match = voltReg.firstMatch(line);
if (match != null) {
final v = int.parse(match.group(1)!) / 1000000;
if (maxVolt == null || v > maxVolt) maxVolt = v;
if (minVolt == null || v < minVolt) minVolt = v;
}
}
if (maxVolt == null || minVolt == null) continue;
await _dbService.insertOrUpdate(dateStr, cap, maxVolt, minVolt);
dev.log('🔵 插入数据库: $dateStr, cap=$cap', name: 'BatteryHealth');
} catch (e) {
dev.log('🔵 处理文件 $fileName 异常: $e', name: 'BatteryHealth');
}
}
} catch (e) {
dev.log('🔵 scanAndUpdateDB 异常: $e', name: 'BatteryHealth');
}
}
/// 获取趋势数据(最近 N 天)
Future<List<Map<String, dynamic>>> getTrendData(int days) async {
return await _dbService.queryRecentData(days);
}
/// 获取最近一条数据
Future<Map<String, dynamic>?> getLatestData() async {
final data = await _dbService.queryRecentData(1);
if (data.isNotEmpty) return data.first;
return null;
}
}