feat(会议统计): 添加对象存储统计功能并重构时间范围选择

添加会议对象存储历史统计功能，包括数据获取和聚合方法
重构时间范围选择逻辑，移除周/月统计，增加自定义日期范围选择
更新界面显示，添加对象存储统计卡片和日期范围选择器

lib/data/services/usage_stats_service.dart

@@ -673,6 +673,9 @@ class UsageStatsService extends GetxService {
     }
   }
 
+  /// 获取会议历史统计
+  ///
+  /// 从[startDate]到[endDate]的会议ASR记录。
   Future<List<MeetingAsrDailyStats>> getMeetingHistoryStats({
     required DateTime startDate,
     required DateTime endDate,
@@ -697,6 +700,9 @@ class UsageStatsService extends GetxService {
     }
   }
 
+  /// 聚合会议统计
+  ///
+  /// 从[daily]中聚合会议统计数据。
   MeetingAsrHistoryStats aggregateMeetingStats(
       List<MeetingAsrDailyStats> daily) {
     int calls = 0;
@@ -719,4 +725,59 @@ class UsageStatsService extends GetxService {
       allTranscriptBytes: transcriptBytes,
     );
   }
+
+  /// 获取会议对象存储历史统计
+  ///
+  /// 从[startDate]到[endDate]的会议对象存储上传记录。
+  Future<List<MeetingStorageDailyStats>> getMeetingStorageHistoryStats({
+    required DateTime startDate,
+    required DateTime endDate,
+  }) async {
+    try {
+      final List<MeetingStorageDailyStats> list = [];
+      for (DateTime date = startDate;
+          date.isBefore(endDate) || date.isAtSameMomentAs(endDate);
+          date = date.add(const Duration(days: 1))) {
+        final key = _formatDate(date);
+        final raw = _storage.read('${_meetingOsDailykey}_$key');
+        List<MeetingObjectStorageRecord> uploads = [];
+        if (raw is List) {
+          uploads = raw
+              .map((e) => MeetingObjectStorageRecord.fromJson(
+                  Map<String, dynamic>.from(e)))
+              .toList();
+        }
+        if (uploads.isNotEmpty) {
+          list.add(MeetingStorageDailyStats(
+              date: key, userId: getCurrentUserId(), items: uploads));
+        }
+      }
+      Logger.i('MeetingOSrecord',
+          '获取会议对象存储历史: start=${_formatDate(startDate)}, end=${_formatDate(endDate)}, 有效天数=${list.length}');
+      return list;
+    } catch (e) {
+      Logger.error('获取对象存储历史统计失败: $e');
+      return [];
+    }
+  }
+
+  MeetingStorageHistoryStats aggregateMeetingStorageStats(
+      List<MeetingStorageDailyStats> daily) {
+    int uploads = 0;
+    int storageBytes = 0;
+    int transferBytes = 0;
+    for (final d in daily) {
+      uploads += d.storageUploads;
+      storageBytes += d.storageBytesTotal;
+      transferBytes += d.transferBytesTotal;
+    }
+    Logger.i('MeetingOSrecord',
+        '聚合对象存储统计: uploads=${uploads}, storageBytes=${storageBytes}, transferBytes=${transferBytes}');
+    return MeetingStorageHistoryStats(
+      userId: getCurrentUserId(),
+      allStorageUploads: uploads,
+      allStorageBytes: storageBytes,
+      allTransferBytes: transferBytes,
+    );
+  }
 }

lib/modules/usage/controllers/meeting_stats_controller.dart

@@ -17,23 +17,49 @@ class MeetingStatsController extends GetxController {
     allAudioFileBytes: 0,
     allTranscriptBytes: 0,
   ).obs;
-  final Rx<MeetingAsrHistoryStats> weekStats = MeetingAsrHistoryStats(
+  final Rx<MeetingAsrHistoryStats> historyStats = MeetingAsrHistoryStats(
     userId: '',
     allAsrCalls: 0,
     allAudioSeconds: 0,
     allAudioFileBytes: 0,
     allTranscriptBytes: 0,
   ).obs;
-  final Rx<MeetingAsrHistoryStats> monthStats = MeetingAsrHistoryStats(
+
+  final RxList<MeetingAsrDailyStats> historyDaily =
+      <MeetingAsrDailyStats>[].obs;
+
+  final Rx<MeetingStorageHistoryStats> todayStorageStats =
+      MeetingStorageHistoryStats(
+    userId: '',
+    allStorageUploads: 0,
+    allStorageBytes: 0,
+    allTransferBytes: 0,
+  ).obs;
+
+  final Rx<MeetingStorageHistoryStats> historyStorageStats =
+      MeetingStorageHistoryStats(
+    userId: '',
+    allStorageUploads: 0,
+    allStorageBytes: 0,
+    allTransferBytes: 0,
+  ).obs;
+
+  final Rx<DateTime?> rangeStart = Rx<DateTime?>(null);
+  final Rx<DateTime?> rangeEnd = Rx<DateTime?>(null);
+  final Rx<MeetingAsrHistoryStats> rangeStats = MeetingAsrHistoryStats(
     userId: '',
     allAsrCalls: 0,
     allAudioSeconds: 0,
     allAudioFileBytes: 0,
     allTranscriptBytes: 0,
   ).obs;
-
+  final Rx<MeetingStorageHistoryStats> rangeStorageStats =
-  final RxList<MeetingAsrDailyStats> historyDaily =
+      MeetingStorageHistoryStats(
-      <MeetingAsrDailyStats>[].obs;
+    userId: '',
+    allStorageUploads: 0,
+    allStorageBytes: 0,
+    allTransferBytes: 0,
+  ).obs;
 
   @override
   void onInit() {
@@ -52,28 +78,53 @@ class MeetingStatsController extends GetxController {
       );
       todayStats.value = _usageService.aggregateMeetingStats(todayList);
 
-      final weekStart = now.subtract(Duration(days: now.weekday - 1));
+      final historyStart = now.subtract(const Duration(days: 7));
-      final weekEnd = weekStart.add(const Duration(days: 6));
+      historyDaily.value = await _usageService.getMeetingHistoryStats(
-      final weekList = await _usageService.getMeetingHistoryStats(
+        startDate:
-        startDate: DateTime(weekStart.year, weekStart.month, weekStart.day),
+            DateTime(historyStart.year, historyStart.month, historyStart.day),
-        endDate: DateTime(weekEnd.year, weekEnd.month, weekEnd.day),
+        endDate: DateTime(now.year, now.month, now.day),
       );
-      weekStats.value = _usageService.aggregateMeetingStats(weekList);
+      historyStats.value =
+          _usageService.aggregateMeetingStats(historyDaily.value);
 
-      final monthStart = DateTime(now.year, now.month, 1);
+      final todayStorageDaily =
-      final monthEnd = DateTime(now.year, now.month + 1, 0);
+          await _usageService.getMeetingStorageHistoryStats(
-      final monthList = await _usageService.getMeetingHistoryStats(
+        startDate: DateTime(now.year, now.month, now.day),
-        startDate: monthStart,
+        endDate: DateTime(now.year, now.month, now.day),
-        endDate: monthEnd,
       );
-      monthStats.value = _usageService.aggregateMeetingStats(monthList);
+      todayStorageStats.value =
+          _usageService.aggregateMeetingStorageStats(todayStorageDaily);
 
-      final historyStart = now.subtract(const Duration(days: 7));
+      final historyStorageDaily =
-      historyDaily.value = await _usageService.getMeetingHistoryStats(
+          await _usageService.getMeetingStorageHistoryStats(
         startDate:
             DateTime(historyStart.year, historyStart.month, historyStart.day),
         endDate: DateTime(now.year, now.month, now.day),
       );
+      historyStorageStats.value =
+          _usageService.aggregateMeetingStorageStats(historyStorageDaily);
+
+      if (rangeStart.value != null && rangeEnd.value != null) {
+        final customAsrDaily = await _usageService.getMeetingHistoryStats(
+          startDate: DateTime(rangeStart.value!.year, rangeStart.value!.month,
+              rangeStart.value!.day),
+          endDate: DateTime(
+              rangeEnd.value!.year, rangeEnd.value!.month, rangeEnd.value!.day),
+        );
+        rangeStats.value = _usageService.aggregateMeetingStats(customAsrDaily);
+        final customStorageDaily =
+            await _usageService.getMeetingStorageHistoryStats(
+          startDate: DateTime(rangeStart.value!.year, rangeStart.value!.month,
+              rangeStart.value!.day),
+          endDate: DateTime(
+              rangeEnd.value!.year, rangeEnd.value!.month, rangeEnd.value!.day),
+        );
+        rangeStorageStats.value =
+            _usageService.aggregateMeetingStorageStats(customStorageDaily);
+      } else {
+        rangeStats.value = historyStats.value;
+        rangeStorageStats.value = historyStorageStats.value;
+      }
 
       Logger.info('会议统计数据加载完成');
     } catch (e) {
@@ -90,14 +141,11 @@ class MeetingStatsController extends GetxController {
         selectedTimeRange.value = 'today'.tr; // 今日
         break;
       case 1:
-        selectedTimeRange.value = 'thisWeek'.tr; // 本周
-        break;
-      case 2:
-        selectedTimeRange.value = 'thisMonth'.tr; // 本月
-        break;
-      case 3:
         selectedTimeRange.value = 'history'.tr; // 历史
         break;
+      default:
+        selectedTimeRange.value = 'today'.tr; // 今日
+        break;
     }
   }
 
@@ -106,9 +154,7 @@ class MeetingStatsController extends GetxController {
       case 0:
         return todayStats.value;
       case 1:
-        return weekStats.value;
+        return rangeStats.value;
-      case 2:
-        return monthStats.value;
       default:
         return todayStats.value;
     }
@@ -147,4 +193,34 @@ class MeetingStatsController extends GetxController {
   Future<void> refreshData() async {
     await loadAllStats();
   }
+
+  Future<void> setCustomRangeDates(DateTime start, DateTime end) async {
+    rangeStart.value = start;
+    rangeEnd.value = end;
+    isLoading.value = true;
+    try {
+      final asrDaily = await _usageService.getMeetingHistoryStats(
+        startDate: DateTime(start.year, start.month, start.day),
+        endDate: DateTime(end.year, end.month, end.day),
+      );
+      rangeStats.value = _usageService.aggregateMeetingStats(asrDaily);
+      final storageDaily = await _usageService.getMeetingStorageHistoryStats(
+        startDate: DateTime(start.year, start.month, start.day),
+        endDate: DateTime(end.year, end.month, end.day),
+      );
+      rangeStorageStats.value =
+          _usageService.aggregateMeetingStorageStats(storageDaily);
+    } catch (e) {
+      Logger.error('设置自定义日期范围失败: $e');
+    } finally {
+      isLoading.value = false;
+    }
+  }
+
+  String formatDate(DateTime d) {
+    final y = d.year.toString();
+    final m = d.month.toString().padLeft(2, '0');
+    final day = d.day.toString().padLeft(2, '0');
+    return '$y-$m-$day';
+  }
 }

lib/modules/usage/views/meeting_stats_view.dart

@@ -4,6 +4,7 @@ import 'package:get/get.dart';
 import '../../../core/theme/app_colors.dart';
 import '../controllers/meeting_stats_controller.dart';
 import '../../../data/models/user_Info.dart';
+import '../../../data/models/meeting_usage_stats.dart';
 
 class MeetingStatsView extends GetView<MeetingStatsController> {
   const MeetingStatsView({Key? key}) : super(key: key);
@@ -14,14 +15,14 @@ class MeetingStatsView extends GetView<MeetingStatsController> {
 
     return Scaffold(
       backgroundColor: isDarkMode ? AppColors.darkBackground : Colors.grey[50],
-      appBar: _buildAppBar(isDarkMode),
+      appBar: _buildAppBar(context, isDarkMode),
       body: Obx(() => controller.isLoading.value
           ? const Center(child: CircularProgressIndicator())
           : _buildBody(isDarkMode)),
     );
   }
 
-  PreferredSizeWidget _buildAppBar(bool isDarkMode) {
+  PreferredSizeWidget _buildAppBar(BuildContext context, bool isDarkMode) {
     return AppBar(
       leading: IconButton(
         icon: Icon(Icons.arrow_back_ios,
@@ -39,6 +40,27 @@ class MeetingStatsView extends GetView<MeetingStatsController> {
       ),
       centerTitle: true,
       actions: [
+        IconButton(
+          icon: Icon(Icons.date_range,
+              color: isDarkMode ? Colors.white : Colors.black),
+          onPressed: () async {
+            final now = DateTime.now();
+            final initialStart = controller.rangeStart.value ??
+                DateTime(now.year, now.month, now.day);
+            final initialEnd = controller.rangeEnd.value ??
+                DateTime(now.year, now.month, now.day);
+            final picked = await showDateRangePicker(
+              context: context,
+              firstDate: DateTime(now.year - 1),
+              lastDate: DateTime(now.year + 1),
+              initialDateRange:
+                  DateTimeRange(start: initialStart, end: initialEnd),
+            );
+            if (picked != null) {
+              await controller.setCustomRangeDates(picked.start, picked.end);
+            }
+          },
+        ),
         IconButton(
           icon: Icon(Icons.refresh,
               color: isDarkMode ? Colors.white : Colors.black),
@@ -49,16 +71,32 @@ class MeetingStatsView extends GetView<MeetingStatsController> {
   }
 
   Widget _buildBody(bool isDarkMode) {
+    final hasRange = controller.rangeStart.value != null &&
+        controller.rangeEnd.value != null;
+    final historyTitle = hasRange
+        ? "${'history'.tr} (${controller.formatDate(controller.rangeStart.value!)} ~ ${controller.formatDate(controller.rangeEnd.value!)})"
+        : 'history'.tr;
     return Column(
       children: [
         _buildIntegralRow(isDarkMode),
-        _buildTimeRangeSelector(isDarkMode),
         Expanded(
           child: SingleChildScrollView(
             padding: EdgeInsets.all(16.w),
             child: Column(
               children: [
-                _buildOverviewCard(isDarkMode),
+                _buildOverviewCard(
+                  'today'.tr, // 今日
+                  isDarkMode,
+                  controller.todayStats.value,
+                  controller.todayStorageStats.value,
+                ),
+                SizedBox(height: 16.h),
+                _buildOverviewCard(
+                  historyTitle,
+                  isDarkMode,
+                  controller.rangeStats.value,
+                  controller.rangeStorageStats.value,
+                ),
               ],
             ),
           ),
@@ -112,60 +150,12 @@ class MeetingStatsView extends GetView<MeetingStatsController> {
     });
   }
 
-  Widget _buildTimeRangeSelector(bool isDarkMode) {
+  Widget _buildOverviewCard(
-    return Container(
+    String title,
-      margin: EdgeInsets.all(16.w),
+    bool isDarkMode,
-      decoration: BoxDecoration(
+    MeetingAsrHistoryStats asrStats,
-        color: isDarkMode ? AppColors.cardBackground : Colors.white,
+    MeetingStorageHistoryStats storageStats,
-        borderRadius: BorderRadius.circular(12.r),
+  ) {
-        boxShadow: [
-          BoxShadow(
-              color: Colors.black.withValues(alpha: 0.05),
-              blurRadius: 10,
-              offset: const Offset(0, 2)),
-        ],
-      ),
-      child: Obx(() => Row(
-            children: [
-              _buildTimeRangeTab('today'.tr, 0, isDarkMode), // 今日
-              _buildTimeRangeTab('thisWeek'.tr, 1, isDarkMode), // 本周
-              _buildTimeRangeTab('thisMonth'.tr, 2, isDarkMode), // 本月
-              _buildTimeRangeTab('history'.tr, 3, isDarkMode), // 历史
-            ],
-          )),
-    );
-  }
-
-  Widget _buildTimeRangeTab(String title, int index, bool isDarkMode) {
-    final isSelected = controller.selectedTabIndex.value == index;
-
-    return Expanded(
-      child: GestureDetector(
-        onTap: () => controller.switchTimeRange(index),
-        child: Container(
-          padding: EdgeInsets.symmetric(vertical: 12.h),
-          decoration: BoxDecoration(
-            color: isSelected ? AppColors.primary : Colors.transparent,
-            borderRadius: BorderRadius.circular(12.r),
-          ),
-          child: Text(
-            title,
-            textAlign: TextAlign.center,
-            style: TextStyle(
-              fontSize: 14.sp,
-              fontWeight: isSelected ? FontWeight.w600 : FontWeight.w400,
-              color: isSelected
-                  ? Colors.white
-                  : (isDarkMode ? Colors.white70 : Colors.black54),
-            ),
-          ),
-        ),
-      ),
-    );
-  }
-
-  Widget _buildOverviewCard(bool isDarkMode) {
-    final stats = controller.currentStats;
     return Container(
       padding: EdgeInsets.all(16.w),
       decoration: BoxDecoration(
@@ -185,13 +175,13 @@ class MeetingStatsView extends GetView<MeetingStatsController> {
             children: [
               Icon(Icons.dashboard, color: AppColors.primary, size: 20.sp),
               SizedBox(width: 8.w),
-              Obx(() => Text(
+              Text(
-                    '${controller.selectedTimeRange.value}${'overview'.tr}',
+                '$title${'overview'.tr}',
-                    style: TextStyle(
+                style: TextStyle(
-                        fontSize: 16.sp,
+                    fontSize: 16.sp,
-                        fontWeight: FontWeight.w600,
+                    fontWeight: FontWeight.w600,
-                        color: isDarkMode ? Colors.white : Colors.black),
+                    color: isDarkMode ? Colors.white : Colors.black),
-                  )),
+              ),
             ],
           ),
           SizedBox(height: 16.h),
@@ -200,13 +190,13 @@ class MeetingStatsView extends GetView<MeetingStatsController> {
               Expanded(
                   child: _buildStatItem(
                       'asrApiCalls'.tr, // ASR调用次数
-                      controller.formatNumber(stats.allAsrCalls),
+                      controller.formatNumber(asrStats.allAsrCalls),
                       Icons.api,
                       isDarkMode)),
               Expanded(
                   child: _buildStatItem(
                       'totalAudioDuration'.tr, // 音频总时长
-                      controller.formatDuration(stats.allAudioSeconds),
+                      controller.formatDuration(asrStats.allAudioSeconds),
                       Icons.mic,
                       isDarkMode)),
             ],
@@ -217,17 +207,34 @@ class MeetingStatsView extends GetView<MeetingStatsController> {
               Expanded(
                   child: _buildStatItem(
                       'audioFileSize'.tr, // 音频文件大小
-                      controller.formatBytes(stats.allAudioFileBytes),
+                      controller.formatBytes(asrStats.allAudioFileBytes),
                       Icons.folder,
                       isDarkMode)),
               Expanded(
                   child: _buildStatItem(
                       'transcriptBytes'.tr, // 转写字节
-                      controller.formatNumber(stats.allTranscriptBytes),
+                      controller.formatNumber(asrStats.allTranscriptBytes),
                       Icons.text_snippet,
                       isDarkMode)),
             ],
           ),
+          SizedBox(height: 12.h),
+          Row(
+            children: [
+              Expanded(
+                  child: _buildStatItem(
+                      'storageUploads'.tr, // 对象存储上传次数
+                      controller.formatNumber(storageStats.allStorageUploads),
+                      Icons.cloud_upload,
+                      isDarkMode)),
+              Expanded(
+                  child: _buildStatItem(
+                      'storageBytes'.tr, // 对象存储总大小
+                      controller.formatBytes(storageStats.allStorageBytes),
+                      Icons.cloud,
+                      isDarkMode)),
+            ],
+          ),
         ],
       ),
     );