refactor: MVC archive

lib/views/archive.dart

@@ -1,45 +0,0 @@
-import 'package:famedlysdk/famedlysdk.dart';
-import 'package:fluffychat/views/widgets/list_items/chat_list_item.dart';
-import 'package:fluffychat/views/widgets/matrix.dart';
-import 'package:flutter/material.dart';
-import 'package:flutter_gen/gen_l10n/l10n.dart';
-
-class Archive extends StatefulWidget {
-  @override
-  _ArchiveState createState() => _ArchiveState();
-}
-
-class _ArchiveState extends State<Archive> {
-  List<Room> archive;
-
-  Future<List<Room>> getArchive(BuildContext context) async {
-    if (archive != null) return archive;
-    return await Matrix.of(context).client.archive;
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    return Scaffold(
-      appBar: AppBar(
-        leading: BackButton(),
-        title: Text(L10n.of(context).archive),
-      ),
-      body: FutureBuilder<List<Room>>(
-        future: getArchive(context),
-        builder: (BuildContext context, snapshot) {
-          if (!snapshot.hasData) {
-            return Center(child: CircularProgressIndicator());
-          } else {
-            archive = snapshot.data;
-            return ListView.builder(
-              itemCount: archive.length,
-              itemBuilder: (BuildContext context, int i) => ChatListItem(
-                  archive[i],
-                  onForget: () => setState(() => archive.removeAt(i))),
-            );
-          }
-        },
-      ),
-    );
-  }
-}