like a comic

lib/components/loading.dart

@@ -95,6 +95,8 @@ abstract class LoadingState<T extends StatefulWidget, S extends Object>
 
   Future<Res<S>> loadData();
 
+  void onDataLoaded() {}
+
   Widget buildContent(BuildContext context, S data);
 
   Widget? buildFrame(BuildContext context, Widget child) => null;
@@ -118,6 +120,7 @@ abstract class LoadingState<T extends StatefulWidget, S extends Object>
           isLoading = false;
           data = value.data;
         });
+        onDataLoaded();
       } else {
         setState(() {
           isLoading = false;

lib/foundation/comic_source/comic_source.dart

@@ -3,7 +3,6 @@ library comic_source;
 import 'dart:async';
 import 'dart:collection';
 import 'dart:convert';
-import 'dart:io';
 import 'dart:math' as math;
 
 import 'package:flutter/widgets.dart';
@@ -45,6 +44,8 @@ typedef GetThumbnailLoadingConfigFunc = Map<String, dynamic> Function(
 
 typedef ComicThumbnailLoader = Future<Res<List<String>>> Function(String comicId, String? next);
 
+typedef LikeOrUnlikeComicFunc = Future<Res<bool>> Function(String comicId, bool isLiking);
+
 class ComicSource {
   static final List<ComicSource> _sources = [];
 
@@ -171,6 +172,8 @@ class ComicSource {
 
   final RegExp? idMatcher;
 
+  final LikeOrUnlikeComicFunc? likeOrUnlikeComic;
+
   Future<void> loadData() async {
     var file = File("${App.dataPath}/comic_source/$key.data");
     if (await file.exists()) {
@@ -229,7 +232,8 @@ class ComicSource {
       this.url,
       this.version,
       this.commentsLoader,
-      this.sendCommentFunc)
+      this.sendCommentFunc,
+      this.likeOrUnlikeComic)
       : idMatcher = null;
 
   ComicSource.unknown(this.key)
@@ -252,7 +256,8 @@ class ComicSource {
         version = "",
         commentsLoader = null,
         sendCommentFunc = null,
-        idMatcher = null;
+        idMatcher = null,
+        likeOrUnlikeComic = null;
 }
 
 class AccountConfig {

lib/foundation/comic_source/parser.dart

@@ -136,6 +136,7 @@ class ComicSourceParser {
     final favoriteData = _loadFavoriteData();
     final commentsLoader = _parseCommentsLoader();
     final sendCommentFunc = _parseSendCommentFunc();
+    final likeFunc = _parseLikeFunc();
 
     var source = ComicSource(
       _name!,
@@ -158,6 +159,7 @@ class ComicSourceParser {
       version ?? "1.0.0",
       commentsLoader,
       sendCommentFunc,
+      likeFunc,
     );
 
     await source.loadData();
@@ -654,4 +656,21 @@ class ComicSourceParser {
       }
     };
   }
+
+  LikeOrUnlikeComicFunc? _parseLikeFunc() {
+    if (!_checkExists("comic.likeOrUnlikeComic")) {
+      return null;
+    }
+    return (id, isLiking) async {
+      try {
+        await JsEngine().runCode("""
+          ComicSource.sources.$_key.comic.likeOrUnlikeComic(${jsonEncode(id)}, ${jsonEncode(isLiking)})
+        """);
+        return const Res(true);
+      } catch (e, s) {
+        Log.error("Network", "$e\n$s");
+        return Res.error(e.toString());
+      }
+    };
+  }
 }

lib/pages/comic_page.dart

@@ -86,6 +86,12 @@ class _ComicPageState extends LoadingState<ComicPage, ComicDetails>
     return comicSource!.loadComicInfo!(widget.id);
   }
 
+  @override
+  onDataLoaded() {
+    isLiked = comic.isLiked ?? false;
+    isFavorite = comic.isFavorite ?? false;
+  }
+
   Iterable<Widget> buildTitle() sync* {
     yield SliverAppbar(
       title: AnimatedOpacity(
@@ -171,9 +177,9 @@ class _ComicPageState extends LoadingState<ComicPage, ComicDetails>
                 _ActionButton(
                   icon: const Icon(Icons.favorite_border),
                   activeIcon: const Icon(Icons.favorite),
-                  isActive: data!.isLiked,
+                  isActive: isLiked,
                   text: (data!.likesCount ??
-                          (comic.isLiked! ? 'Liked'.tl : 'Like'.tl))
+                          (isLiked ? 'Liked'.tl : 'Like'.tl))
                       .toString(),
                   isLoading: isLiking,
                   onPressed: likeOrUnlike,
@@ -182,18 +188,16 @@ class _ComicPageState extends LoadingState<ComicPage, ComicDetails>
               _ActionButton(
                 icon: const Icon(Icons.bookmark_border),
                 activeIcon: const Icon(Icons.bookmark),
-                isActive: (data!.isFavorite ?? false) || isAddToLocalFav,
+                isActive: isFavorite || isAddToLocalFav,
                 text: 'Favorite'.tl,
-                isLoading: isFavoriting,
+                onPressed: openFavPanel,
-                onPressed: favoriteOrUnfavorite,
                 iconColor: context.useTextColor(Colors.purple),
               ),
               if (comicSource.commentsLoader != null)
                 _ActionButton(
                   icon: const Icon(Icons.comment),
                   text: (comic.commentsCount ?? 'Comments'.tl).toString(),
-                  isLoading: isFavoriting,
+                  onPressed: showComments,
-                  onPressed: favoriteOrUnfavorite,
                   iconColor: context.useTextColor(Colors.green),
                 ),
               _ActionButton(
@@ -397,13 +401,27 @@ abstract mixin class _ComicPageActions {
 
   bool isLiking = false;
 
-  void likeOrUnlike() {}
+  bool isLiked = false;
+
+  void likeOrUnlike() async {
+    if(isLiking)  return;
+    isLiking = true;
+    update();
+    var res = await comicSource.likeOrUnlikeComic!(comic.id, isLiked ?? false);
+    if(res.error) {
+      App.rootContext.showMessage(message: res.errorMessage!);
+    } else {
+      isLiked = !isLiked;
+    }
+    isLiking = false;
+    update();
+  }
 
   bool isAddToLocalFav = false;
 
-  bool isFavoriting = false;
+  bool isFavorite = false;
 
-  void favoriteOrUnfavorite() {}
+  void openFavPanel() {}
 
   void share() {}
 
@@ -421,6 +439,8 @@ abstract mixin class _ComicPageActions {
   void onTagTap(String tag, String namespace) {}
 
   void showMoreActions() {}
+
+  void showComments() {}
 }
 
 class _ActionButton extends StatelessWidget {
@@ -460,7 +480,11 @@ class _ActionButton extends StatelessWidget {
         ),
       ),
       child: InkWell(
-        onTap: onPressed,
+        onTap: () {
+          if(!(isLoading ?? false)) {
+            onPressed();
+          }
+        },
         borderRadius: BorderRadius.circular(18),
         child: IconTheme.merge(
           data: IconThemeData(size: 20, color: iconColor),