Initial commit: 风影 OA 全栈源码（API/Web/Flutter/IM）

含 Phase 1.1 IM seq 排序、断线重连、多端已读同步与微信式语音转文字 UI。排除 node_modules、构建产物、安装包与 .env 密钥。 Co-authored-by: Cursor <cursoragent@cursor.com>
2026-09-02 10:04:03 +00:00
commit 76f266645d
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+import 'package:shared_preferences/shared_preferences.dart';
+
+/// 自定义表情：服务端 fileId 列表。GIF / 表情面板发出的都走这里。
+class StickerStore {
+  StickerStore._();
+  static const _key = 'im.stickers';
+  static SharedPreferences? _p;
+  static List<String> _ids = [];
+
+  static List<String> get ids => List.unmodifiable(_ids);
+
+  static Future<void> ensure() async {
+    _p ??= await SharedPreferences.getInstance();
+    _ids = _p!.getStringList(_key) ?? [];
+  }
+
+  static bool has(String fileId) => fileId.isNotEmpty && _ids.contains(fileId);
+
+  static Future<void> add(String fileId) async {
+    if (fileId.isEmpty) return;
+    await ensure();
+    if (_ids.contains(fileId)) return;
+    _ids = [fileId, ..._ids];
+    await _p!.setStringList(_key, _ids);
+  }
+
+  static Future<void> remove(String fileId) async {
+    await ensure();
+    _ids = _ids.where((e) => e != fileId).toList();
+    await _p!.setStringList(_key, _ids);
+  }
+}