закрепление и мьют чатов

lib/core/config/app_bubble_behavior.dart

@@ -0,0 +1,37 @@
+import 'package:flutter/foundation.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+enum BubbleBehavior { mutable, immutable }
+
+class AppBubbleBehavior {
+  static const prefKey = 'app_bubble_behavior';
+  static final ValueNotifier<BubbleBehavior> current = ValueNotifier(
+    BubbleBehavior.mutable,
+  );
+
+  static Future<BubbleBehavior> load() async {
+    final prefs = await SharedPreferences.getInstance();
+    final val = prefs.getString(prefKey);
+    return _parse(val);
+  }
+
+  static Future<void> save(BubbleBehavior behavior) async {
+    current.value = behavior;
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.setString(prefKey, behavior.name);
+  }
+
+  static BubbleBehavior _parse(String? val) {
+    if (val == BubbleBehavior.immutable.name) return BubbleBehavior.immutable;
+    return BubbleBehavior.mutable;
+  }
+
+  static String label(BubbleBehavior behavior) {
+    switch (behavior) {
+      case BubbleBehavior.mutable:
+        return 'Изменяемая';
+      case BubbleBehavior.immutable:
+        return 'Неизменяемая';
+    }
+  }
+}

lib/core/storage/app_database.dart

@@ -471,15 +471,26 @@ class AppDatabase {
     );
   }
 
-  static Future<List<Map<String, dynamic>>> findDialogChatsByParticipant(
-    int accountId,
-    int contactId,
-  ) async {
+  static Future<List<Map<String, dynamic>>> loadDialogChats(int accountId) async {
     final db = await _instance;
     return db.query(
       'chats_cache',
-      where: "account_id = ? AND type = 'DIALOG' AND participants LIKE ?",
-      whereArgs: [accountId, '%"$contactId":%'],
+      where: "account_id = ? AND type = 'DIALOG'",
+      whereArgs: [accountId],
+    );
+  }
+
+  static Future<List<Map<String, dynamic>>> loadChatsByIds(
+    int accountId,
+    List<int> ids,
+  ) async {
+    if (ids.isEmpty) return const [];
+    final db = await _instance;
+    final placeholders = List.filled(ids.length, '?').join(',');
+    return db.query(
+      'chats_cache',
+      where: 'account_id = ? AND id IN ($placeholders)',
+      whereArgs: [accountId, ...ids],
     );
   }
 

lib/core/utils/bubble_radius.dart

@@ -0,0 +1,81 @@
+import 'package:flutter/widgets.dart';
+
+import '../config/app_bubble_behavior.dart';
+import '../config/app_bubble_shape.dart';
+
+const double kBubbleBigRadius = 20;
+const double kBubbleSmallRadius = 4;
+
+const Radius _big = Radius.circular(kBubbleBigRadius);
+const Radius _small = Radius.circular(kBubbleSmallRadius);
+
+BorderRadius computeBubbleRadius({
+  required bool isMe,
+  required bool isTop,
+  required bool isBottom,
+  required BubbleStyle style,
+  required BubbleBehavior behavior,
+  bool hasPhotoWithCaption = false,
+  bool hasMultiplePhotosNoCaption = false,
+}) {
+  final isSingle = isTop && isBottom;
+
+  if (hasPhotoWithCaption && (isTop || isBottom)) {
+    return BorderRadius.only(
+      topLeft: _big,
+      topRight: _big,
+      bottomLeft: isMe ? _big : _small,
+      bottomRight: _small,
+    );
+  }
+
+  if (hasMultiplePhotosNoCaption && isBottom) {
+    return BorderRadius.only(
+      topLeft: isMe ? _big : _small,
+      topRight: _small,
+      bottomLeft: isMe ? _big : _small,
+      bottomRight: isMe ? _small : _big,
+    );
+  }
+
+  final base = style == BubbleStyle.desktop ? _small : _big;
+  Radius tl = base, tr = base, bl = base, br = base;
+
+  if (behavior == BubbleBehavior.immutable || isSingle) {
+    return BorderRadius.only(
+      topLeft: tl,
+      topRight: tr,
+      bottomLeft: bl,
+      bottomRight: br,
+    );
+  }
+
+  if (isTop) {
+    if (isMe) {
+      br = _small;
+    } else {
+      bl = _small;
+    }
+  } else if (isBottom) {
+    if (isMe) {
+      tr = _small;
+    } else {
+      tl = _small;
+    }
+  } else {
+    if (isMe) {
+      tr = _small;
+      br = _small;
+    } else {
+      tl = _small;
+      bl = _small;
+    }
+  }
+
+  return BorderRadius.only(
+    topLeft: tl,
+    topRight: tr,
+    bottomLeft: bl,
+    bottomRight: br,
+  );
+}