feat: Allow loading of multiple clients in main.dart

lib/utils/account_bundles.dart

@@ -0,0 +1,99 @@
+import 'package:matrix/matrix.dart';
+
+class AccountBundles {
+  String prefix;
+  List<AccountBundle> bundles;
+
+  AccountBundles({this.prefix, this.bundles});
+
+  AccountBundles.fromJson(Map<String, dynamic> json)
+      : prefix = json.tryGet<String>('prefix'),
+        bundles = json['bundles'] is List
+            ? json['bundles']
+                .map((b) {
+                  try {
+                    return AccountBundle.fromJson(b);
+                  } catch (_) {
+                    return null;
+                  }
+                })
+                .whereType<AccountBundle>()
+                .toList()
+            : null;
+
+  Map<String, dynamic> toJson() => {
+        if (prefix != null) 'prefix': prefix,
+        if (bundles != null) 'bundles': bundles.map((v) => v.toJson()).toList(),
+      };
+}
+
+class AccountBundle {
+  String name;
+  int priority;
+
+  AccountBundle({this.name, this.priority});
+
+  AccountBundle.fromJson(Map<String, dynamic> json)
+      : name = json.tryGet<String>('name'),
+        priority = json.tryGet<int>('priority');
+
+  Map<String, dynamic> toJson() => <String, dynamic>{
+        if (name != null) 'name': name,
+        if (priority != null) 'priority': priority,
+      };
+}
+
+const accountBundlesType = 'im.fluffychat.account_bundles';
+
+extension AccountBundlesExtension on Client {
+  List<AccountBundle> get accountBundles {
+    List<AccountBundle> ret;
+    if (accountData.containsKey(accountBundlesType)) {
+      ret = AccountBundles.fromJson(accountData[accountBundlesType].content)
+          .bundles;
+    }
+    ret ??= [];
+    if (ret.isEmpty) {
+      ret.add(AccountBundle(
+        name: userID,
+        priority: 0,
+      ));
+    }
+    return ret;
+  }
+
+  Future<void> setAccountBundle(String name, [int priority]) async {
+    final data =
+        AccountBundles.fromJson(accountData[accountBundlesType]?.content ?? {});
+    var foundBundle = false;
+    data.bundles ??= [];
+    for (final bundle in data.bundles) {
+      if (bundle.name == name) {
+        bundle.priority = priority;
+        foundBundle = true;
+        break;
+      }
+    }
+    if (!foundBundle) {
+      data.bundles.add(AccountBundle(name: name, priority: priority));
+    }
+    await setAccountData(userID, accountBundlesType, data.toJson());
+  }
+
+  Future<void> removeFromAccountBundle(String name) async {
+    if (!accountData.containsKey(accountBundlesType)) {
+      return; // nothing to do
+    }
+    final data =
+        AccountBundles.fromJson(accountData[accountBundlesType].content);
+    if (data.bundles == null) return;
+    data.bundles.removeWhere((b) => b.name == name);
+    await setAccountData(userID, accountBundlesType, data.toJson());
+  }
+
+  String get sendPrefix {
+    final data =
+        AccountBundles.fromJson(accountData[accountBundlesType]?.content ?? {});
+    return data.prefix;
+  }
+}