111

flutter_monisuo/lib/providers/market_provider.dart

@@ -7,26 +7,28 @@ class MarketProvider extends ChangeNotifier {
   final MarketService _marketService;
 
   List<Coin> _allCoins = [];
-  List<Coin> _filteredCoins = [];
-  String _activeTab = 'all';
-  String _searchKeyword = '';
   bool _isLoading = false;
   String? _error;
-  bool _coinsLoaded = false; // 标记是否已加载
+  bool _coinsLoaded = false;
 
   MarketProvider(this._marketService);
 
   // Getters
-  List<Coin> get coins => _filteredCoins;
   List<Coin> get allCoins => _allCoins;
   bool get isLoading => _isLoading;
   String? get error => _error;
-  String get activeTab => _activeTab;
-  String get searchKeyword => _searchKeyword;
+
+  /// BTC 和 ETH（上半区展示）
+  List<Coin> get featuredCoins =>
+      _allCoins.where((c) => c.code == 'BTC' || c.code == 'ETH').toList();
+
+  /// 排除 BTC、ETH、USDT 的代币列表（下半区展示）
+  List<Coin> get otherCoins => _allCoins
+      .where((c) => !{'BTC', 'ETH', 'USDT'}.contains(c.code))
+      .toList();
 
   /// 加载币种列表
   Future<void> loadCoins({bool force = false}) async {
-    // 如果已经加载过且不是强制刷新，则跳过
     if (_coinsLoaded && !force && _allCoins.isNotEmpty) {
       return;
     }
@@ -40,7 +42,6 @@ class MarketProvider extends ChangeNotifier {
 
       if (response.success) {
         _allCoins = response.data ?? [];
-        _filterCoins();
         _coinsLoaded = true;
       } else {
         _error = response.message;
@@ -53,49 +54,6 @@ class MarketProvider extends ChangeNotifier {
     notifyListeners();
   }
 
-  /// 设置分类标签
-  void setTab(String tab) {
-    _activeTab = tab;
-    _filterCoins();
-    notifyListeners();
-  }
-
-  /// 搜索
-  void search(String keyword) {
-    _searchKeyword = keyword;
-    _filterCoins();
-    notifyListeners();
-  }
-
-  /// 清除搜索
-  void clearSearch() {
-    _searchKeyword = '';
-    _filterCoins();
-    notifyListeners();
-  }
-
-  /// 筛选币种
-  void _filterCoins() {
-    List<Coin> result = List.from(_allCoins);
-
-    // 按分类筛选
-    if (_activeTab == 'realtime') {
-      result = result.where((c) => c.isRealtime).toList();
-    } else if (_activeTab == 'hot') {
-      result = result.take(6).toList();
-    }
-
-    // 按关键词筛选
-    if (_searchKeyword.isNotEmpty) {
-      final kw = _searchKeyword.toLowerCase();
-      result = result.where((c) =>
-          c.code.toLowerCase().contains(kw) ||
-          c.name.toLowerCase().contains(kw)).toList();
-    }
-
-    _filteredCoins = result;
-  }
-
   /// 根据代码获取币种
   Coin? getCoinByCode(String code) {
     try {
@@ -114,7 +72,6 @@ class MarketProvider extends ChangeNotifier {
   void resetLoadState() {
     _coinsLoaded = false;
     _allCoins = [];
-    _filteredCoins = [];
     _error = null;
     notifyListeners();
   }