feat: add startup bulletin; switch to edit mode when click text on md preview.

app/lib/constants/sp_keys.dart

@@ -5,4 +5,5 @@ class SPKeys {
   static final String accessToken = 'USER_ACCESS_TOKEN';
   static final String loginEmail = 'USER_LOGIN_EMAIL';
   static final String ignoredUpdateVersion = 'IGNORED_UPDATE_VERSION';
+  static final String readBulletinId = 'READ_BULLETIN_ID';
 }

app/lib/http/api.dart

@@ -63,6 +63,8 @@ class Api {
         return res;
       };
 
+  static final _fullPathRegExp = RegExp('http(s?)://');
+
   static Future<T?> _get<T>(
     String path,
     BeanBuilder<T> builder, {
@@ -72,13 +74,15 @@ class Api {
   }) =>
       http
           .get(
-        Uri(
-          scheme: Apis.apiScheme,
-          host: Apis.apiHost,
-          port: Apis.apiPort,
-          queryParameters: queryParams,
-          path: path,
-        ),
+        path.startsWith(_fullPathRegExp)
+            ? Uri.parse(path)
+            : Uri(
+                scheme: Apis.apiScheme,
+                host: Apis.apiHost,
+                port: Apis.apiPort,
+                queryParameters: queryParams,
+                path: path,
+              ),
         headers: <String, String>{
           HttpHeaders.contentTypeHeader: ContentType.json.toString(),
         }..addAll(
@@ -103,12 +107,14 @@ class Api {
   }) =>
       http
           .post(
-        Uri(
-          scheme: Apis.apiScheme,
-          host: Apis.apiHost,
-          port: Apis.apiPort,
-          path: path,
-        ),
+        path.startsWith(_fullPathRegExp)
+            ? Uri.parse(path)
+            : Uri(
+                scheme: Apis.apiScheme,
+                host: Apis.apiHost,
+                port: Apis.apiPort,
+                path: path,
+              ),
         body: jsonEncode(body),
         headers: <String, String>{
           HttpHeaders.contentTypeHeader: ContentType.json.toString(),
@@ -199,6 +205,26 @@ class Api {
         Apis.scheme.userLikes,
         (e) => (e['list'] as List).cast<int>(),
       );
+
+  static Future<AppBulletinResp?> checkBulletin(bool isWeb) => _get(
+        Apis.appBulletinUrl(isWeb),
+        AppBulletinResp.fromMap,
+        ignoreErrorHandle: true,
+        ignoreToken: true,
+      ).catchError((_) {});
+}
+
+class AppBulletinResp {
+  int? id;
+  bool? once;
+  String? title;
+  String? content;
+
+  AppBulletinResp.fromMap(Map map)
+      : id = map['id'],
+        once = map['once'],
+        title = map['title'],
+        content = map['content'];
 }
 
 class MarketSchemeTransMetaDataResp {

app/lib/main.dart

@@ -11,6 +11,7 @@ import 'package:dde_gesture_manager/themes/dark.dart';
 import 'package:dde_gesture_manager/themes/light.dart';
 import 'package:dde_gesture_manager/utils/helper.dart';
 import 'package:dde_gesture_manager/utils/init.dart';
+import 'package:dde_gesture_manager/utils/notificator.dart';
 import 'package:dde_gesture_manager/utils/simple_throttle.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
@@ -89,6 +90,7 @@ class MyApp extends StatelessWidget {
                   Sentry.captureMessage,
                   timeout: const Duration(days: 1),
                 )?.call('App launched');
+                SimpleThrottle.throttledFunc(_checkBulletin, timeout: const Duration(days: 1))?.call(context);
               });
               return Container();
             }),
@@ -112,3 +114,14 @@ void _checkAuthStatus(BuildContext context) {
     H().lastCheckAuthStatusTime = DateTime.now();
   }
 }
+
+void _checkBulletin(BuildContext context) {
+  Api.checkBulletin(kIsWeb).then((value) {
+    if (value != null && value.id != null) {
+      if (value.once == false || (H().sp.getInt(SPKeys.readBulletinId) ?? 0) < value.id!) {
+        Notificator.showAlert(title: value.title ?? '', description: value.content ?? '');
+      }
+      H().sp.setInt(SPKeys.readBulletinId, value.id!);
+    }
+  });
+}

app/lib/widgets/dde_markdown_field.dart

@@ -46,6 +46,14 @@ class _DMarkdownFieldState extends State<DMarkdownField> {
     super.didUpdateWidget(oldWidget);
   }
 
+  VoidCallback? get _onMdPreviewTap => widget.readOnly
+      ? null
+      : () {
+          setState(() {
+            _previewText = null;
+          });
+        };
+
   @override
   Widget build(BuildContext context) {
     return Focus(
@@ -62,19 +70,14 @@ class _DMarkdownFieldState extends State<DMarkdownField> {
           ),
           child: isPreview
               ? GestureDetector(
-                  onTap: widget.readOnly
-                      ? null
-                      : () {
-                          setState(() {
-                            _previewText = null;
-                          });
-                        },
+                  onTap: _onMdPreviewTap,
                   child: MouseRegion(
                     cursor: widget.readOnly ? SystemMouseCursors.basic : SystemMouseCursors.text,
                     child: MdPreview(
                       text: _previewText ?? '',
                       padding: EdgeInsets.only(left: 15),
                       onTapLink: H.launchURL,
+                      richTap: _onMdPreviewTap,
                       textStyle: context.t.textTheme.bodyText2,
                       onCodeCopied: () {
                         Notificator.success(