opt.: use ssh term to upgrade pkg

lib/view/page/pkg.dart

@@ -1,190 +0,0 @@
-import 'package:flutter/material.dart';
-import 'package:flutter_gen/gen_l10n/l10n.dart';
-import 'package:provider/provider.dart';
-
-import '../../data/model/pkg/upgrade_info.dart';
-import '../../data/model/server/dist.dart';
-import '../../data/model/server/server_private_info.dart';
-import '../../data/provider/pkg.dart';
-import '../../data/provider/server.dart';
-import '../../data/res/ui.dart';
-import '../../locator.dart';
-import '../widget/custom_appbar.dart';
-import '../widget/round_rect_card.dart';
-import '../widget/two_line_text.dart';
-
-class PkgPage extends StatefulWidget {
-  const PkgPage({Key? key, required this.spi}) : super(key: key);
-
-  final ServerPrivateInfo spi;
-
-  @override
-  _PkgManagePageState createState() => _PkgManagePageState();
-}
-
-class _PkgManagePageState extends State<PkgPage>
-    with SingleTickerProviderStateMixin {
-  late MediaQueryData _media;
-  final _scrollController = ScrollController();
-  final _scrollControllerUpdate = ScrollController();
-  final _textController = TextEditingController();
-  final _pkgProvider = locator<PkgProvider>();
-  late S _s;
-
-  @override
-  void didChangeDependencies() {
-    super.didChangeDependencies();
-    _media = MediaQuery.of(context);
-    _s = S.of(context)!;
-  }
-
-  @override
-  void dispose() {
-    super.dispose();
-    _pkgProvider.clear();
-    _textController.dispose();
-    _scrollController.dispose();
-    _scrollControllerUpdate.dispose();
-  }
-
-  @override
-  void initState() {
-    super.initState();
-    final si = locator<ServerProvider>().servers[widget.spi.id];
-
-    if (si == null) return;
-    _pkgProvider.init(
-      si.client!,
-      si.status.sysVer.dist,
-      () =>
-          _scrollController.jumpTo(_scrollController.position.maxScrollExtent),
-      () => _scrollControllerUpdate
-          .jumpTo(_scrollController.position.maxScrollExtent),
-      widget.spi.user,
-      context,
-    );
-    _pkgProvider.refresh();
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    return Consumer<PkgProvider>(builder: (_, pkg, __) {
-      return Scaffold(
-        appBar: CustomAppBar(
-          centerTitle: true,
-          title: TwoLineText(up: _s.pkg, down: widget.spi.name),
-        ),
-        body: _buildBody(pkg),
-        floatingActionButton: _buildFAB(pkg),
-      );
-    });
-  }
-
-  Widget? _buildFAB(PkgProvider pkg) {
-    if (pkg.upgradeable?.isEmpty ?? true) {
-      return null;
-    }
-    return FloatingActionButton(
-      onPressed: () {
-        pkg.upgrade();
-      },
-      child: const Icon(Icons.upgrade),
-    );
-  }
-
-  Widget _buildBody(PkgProvider pkg) {
-    if (pkg.error != null) {
-      return Column(
-        mainAxisAlignment: MainAxisAlignment.center,
-        children: [
-          const Icon(
-            Icons.error,
-            color: Colors.redAccent,
-            size: 37,
-          ),
-          const SizedBox(
-            height: 37,
-          ),
-          ConstrainedBox(
-            constraints: BoxConstraints(
-                maxHeight: _media.size.height * 0.3,
-                minWidth: _media.size.width),
-            child: Padding(
-              padding: const EdgeInsets.all(17),
-              child: RoundRectCard(
-                SingleChildScrollView(
-                  padding: const EdgeInsets.all(17),
-                  child: Text(
-                    pkg.error!,
-                  ),
-                ),
-              ),
-            ),
-          ),
-        ],
-      );
-    }
-    if (pkg.upgradeable == null) {
-      if (pkg.updateLog == null) {
-        return centerLoading;
-      }
-      return SizedBox(
-        height: _media.size.height - _media.padding.top - _media.padding.bottom,
-        child: ConstrainedBox(
-          constraints: const BoxConstraints.expand(),
-          child: SingleChildScrollView(
-            padding: const EdgeInsets.all(18),
-            controller: _scrollControllerUpdate,
-            child: Text(pkg.updateLog!),
-          ),
-        ),
-      );
-    }
-
-    return ListView(
-      padding: const EdgeInsets.all(13),
-      children: _buildUpdatePanel(pkg).map((e) => RoundRectCard(e)).toList(),
-    );
-  }
-
-  List<Widget> _buildUpdatePanel(PkgProvider apt) {
-    final children = <Widget>[];
-    if (apt.upgradeable!.isEmpty) {
-      children.add(ListTile(
-        title: Text(
-          _s.noUpdateAvailable,
-          textAlign: TextAlign.center,
-        ),
-        subtitle: const Text('>_<', textAlign: TextAlign.center),
-      ));
-      return children;
-    }
-
-    if (apt.upgradeLog == null) {
-      children.addAll(
-        apt.upgradeable?.map((e) => _buildUpdateItem(e, apt)).toList() ?? [],
-      );
-    } else {
-      children.add(SingleChildScrollView(
-        padding: const EdgeInsets.all(18),
-        controller: _scrollController,
-        child: Text(apt.upgradeLog ?? ''),
-      ));
-    }
-
-    return children;
-  }
-
-  Widget _buildUpdateItem(UpgradePkgInfo info, PkgProvider apt) {
-    final t = () {
-      if (info.nowVersion.isNotEmpty && info.newVersion.isNotEmpty) {
-        return '${info.nowVersion} -> ${info.newVersion}';
-      }
-      return info.newVersion;
-    }();
-    return ListTile(
-      title: Text(info.package),
-      subtitle: Text(t, style: grey),
-    );
-  }
-}