feat: 实现日历提醒 in-app fallback 机制及通知服务重构

2026-03-20 01:30:34 +08:00
parent 7fd536e976
commit d574128815
55 changed files with 4565 additions and 647 deletions
@@ -0,0 +1,73 @@
+import 'package:flutter/material.dart';
+
+import '../../../../core/theme/design_tokens.dart';
+import '../models/reminder_action.dart';
+import '../models/reminder_payload.dart';
+import '../reminder_action_executor.dart';
+import 'reminder_presentation_coordinator.dart';
+import 'widgets/reminder_action_sheet.dart';
+
+class ReminderForegroundPresenter {
+  final GlobalKey<NavigatorState> _navigatorKey;
+  final ReminderActionExecutor _executor;
+  final ReminderPresentationCoordinator _coordinator;
+  bool _isPresenting = false;
+
+  ReminderForegroundPresenter({
+    required GlobalKey<NavigatorState> navigatorKey,
+    required ReminderActionExecutor executor,
+    ReminderPresentationCoordinator? coordinator,
+  }) : _navigatorKey = navigatorKey,
+       _executor = executor,
+       _coordinator = coordinator ?? ReminderPresentationCoordinator();
+
+  Future<void> present(ReminderPayload payload) async {
+    final context = _navigatorKey.currentContext;
+    if (context == null) {
+      return;
+    }
+
+    final lifecycleState = WidgetsBinding.instance.lifecycleState;
+    final isAppActive = lifecycleState == AppLifecycleState.resumed;
+    final shouldPresent = _coordinator.shouldPresent(
+      eventId: payload.eventId,
+      isAppActive: isAppActive,
+    );
+    if (!shouldPresent || _isPresenting) {
+      return;
+    }
+
+    _isPresenting = true;
+    try {
+      final action = await showModalBottomSheet<ReminderAction>(
+        context: context,
+        useRootNavigator: true,
+        isScrollControlled: true,
+        backgroundColor: Colors.transparent,
+        builder: (sheetContext) {
+          return SafeArea(
+            child: Padding(
+              padding: const EdgeInsets.all(AppSpacing.md),
+              child: ReminderActionSheet(
+                onSnooze: () {
+                  Navigator.of(sheetContext).pop(ReminderAction.snooze10m);
+                },
+                onArchive: () {
+                  Navigator.of(sheetContext).pop(ReminderAction.archive);
+                },
+              ),
+            ),
+          );
+        },
+      );
+
+      if (action == null) {
+        return;
+      }
+
+      await _executor.handleAction(action: action, payload: payload);
+    } finally {
+      _isPresenting = false;
+    }
+  }
+}
@@ -0,0 +1,29 @@
+typedef ReminderPresentationNow = DateTime Function();
+
+class ReminderPresentationCoordinator {
+  final Duration _dedupeWindow;
+  final ReminderPresentationNow _now;
+  final Map<String, DateTime> _lastPresentedAtByEventId = <String, DateTime>{};
+
+  ReminderPresentationCoordinator({
+    Duration dedupeWindow = const Duration(seconds: 30),
+    ReminderPresentationNow? now,
+  }) : _dedupeWindow = dedupeWindow,
+       _now = now ?? DateTime.now;
+
+  bool shouldPresent({required String eventId, required bool isAppActive}) {
+    if (!isAppActive) {
+      return false;
+    }
+
+    final currentTime = _now();
+    final lastPresentedAt = _lastPresentedAtByEventId[eventId];
+    if (lastPresentedAt != null &&
+        currentTime.difference(lastPresentedAt) < _dedupeWindow) {
+      return false;
+    }
+
+    _lastPresentedAtByEventId[eventId] = currentTime;
+    return true;
+  }
+}
@@ -0,0 +1,58 @@
+import 'package:flutter/material.dart';
+
+import '../../../../../core/theme/design_tokens.dart';
+import '../../../../../shared/widgets/app_button.dart';
+
+class ReminderActionSheet extends StatelessWidget {
+  const ReminderActionSheet({
+    super.key,
+    required this.onSnooze,
+    required this.onArchive,
+  });
+
+  final VoidCallback onSnooze;
+  final VoidCallback onArchive;
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      width: double.infinity,
+      padding: const EdgeInsets.all(AppSpacing.lg),
+      decoration: BoxDecoration(
+        color: AppColors.white,
+        borderRadius: BorderRadius.circular(AppRadius.xl),
+        border: Border.all(color: AppColors.borderSecondary),
+      ),
+      child: Column(
+        mainAxisSize: MainAxisSize.min,
+        crossAxisAlignment: CrossAxisAlignment.stretch,
+        children: [
+          Text(
+            '提醒操作',
+            textAlign: TextAlign.center,
+            style: Theme.of(
+              context,
+            ).textTheme.titleMedium?.copyWith(color: AppColors.slate900),
+          ),
+          const SizedBox(height: AppSpacing.lg),
+          Row(
+            crossAxisAlignment: CrossAxisAlignment.center,
+            children: [
+              Expanded(
+                child: AppButton(
+                  text: '稍后提醒',
+                  isOutlined: true,
+                  onPressed: onSnooze,
+                ),
+              ),
+              const SizedBox(width: AppSpacing.md),
+              Expanded(
+                child: AppButton(text: '归档', onPressed: onArchive),
+              ),
+            ],
+          ),
+        ],
+      ),
+    );
+  }
+}