From 5ccd0af2d86a8b476c5f429474b858c86edab692 Mon Sep 17 00:00:00 2001
From: nyne <nyne19710@proton.me>
Date: Sun, 6 Oct 2024 15:31:53 +0800
Subject: [PATCH] comments

---
 lib/components/button.dart                    |  92 ++--
 lib/foundation/comic_source/comic_source.dart | 187 +------
 lib/foundation/comic_source/models.dart       | 149 ++++++
 lib/foundation/comic_source/parser.dart       |  87 ++--
 lib/pages/comic_page.dart                     |  13 +-
 lib/pages/comments_page.dart                  | 470 ++++++++++++++++++
 6 files changed, 763 insertions(+), 235 deletions(-)
 create mode 100644 lib/foundation/comic_source/models.dart
 create mode 100644 lib/pages/comments_page.dart

diff --git a/lib/components/button.dart b/lib/components/button.dart
index 066680d..cb8396f 100644
--- a/lib/components/button.dart
+++ b/lib/components/button.dart
@@ -99,11 +99,13 @@ class Button extends StatefulWidget {
 
   static Widget icon(
       {Key? key,
-      required Widget icon,
-      required VoidCallback onPressed,
-      double? size,
-      Color? color,
-      String? tooltip}) {
+        required Widget icon,
+        required VoidCallback onPressed,
+        double? size,
+        Color? color,
+        String? tooltip,
+        bool isLoading = false,
+        HitTestBehavior behavior = HitTestBehavior.deferToChild}) {
     return _IconButton(
       key: key,
       icon: icon,
@@ -111,6 +113,8 @@ class Button extends StatefulWidget {
       size: size,
       color: color,
       tooltip: tooltip,
+      behavior: behavior,
+      isLoading: isLoading,
     );
   }
 
@@ -262,13 +266,16 @@ class _ButtonState extends State<Button> {
 }
 
 class _IconButton extends StatefulWidget {
-  const _IconButton(
-      {super.key,
-      required this.icon,
-      required this.onPressed,
-      this.size,
-      this.color,
-      this.tooltip});
+  const _IconButton({
+    super.key,
+    required this.icon,
+    required this.onPressed,
+    this.size,
+    this.color,
+    this.tooltip,
+    this.isLoading = false,
+    this.behavior = HitTestBehavior.deferToChild,
+  });
 
   final Widget icon;
 
@@ -280,6 +287,10 @@ class _IconButton extends StatefulWidget {
 
   final Color? color;
 
+  final HitTestBehavior behavior;
+
+  final bool isLoading;
+
   @override
   State<_IconButton> createState() => _IconButtonState();
 }
@@ -289,27 +300,46 @@ class _IconButtonState extends State<_IconButton> {
 
   @override
   Widget build(BuildContext context) {
-    return InkWell(
-      onTap: widget.onPressed,
-      mouseCursor: SystemMouseCursors.click,
-      customBorder: const CircleBorder(),
-      child: Tooltip(
-        message: widget.tooltip ?? "",
-        child: Container(
-          decoration: BoxDecoration(
-            color:
-                isHover ? Theme.of(context).colorScheme.surfaceContainer : null,
-            borderRadius: BorderRadius.circular(16),
-          ),
-          padding: const EdgeInsets.all(6),
-          child: IconTheme(
-            data: IconThemeData(
-                size: widget.size ?? 24,
-                color: widget.color ?? context.colorScheme.primary),
-            child: widget.icon,
+    var iconSize = widget.size ?? 24;
+    Widget icon = IconTheme(
+      data: IconThemeData(
+        size: iconSize,
+        color: widget.color ?? context.colorScheme.primary,
+      ),
+      child: widget.icon,
+    );
+    if (widget.isLoading) {
+      icon = const CircularProgressIndicator(
+        strokeWidth: 1.5,
+      ).paddingAll(2).fixWidth(iconSize).fixHeight(iconSize);
+    }
+    return MouseRegion(
+      onEnter: (_) => setState(() => isHover = true),
+      onExit: (_) => setState(() => isHover = false),
+      cursor: SystemMouseCursors.click,
+      child: GestureDetector(
+        behavior: widget.behavior,
+        onTap: () {
+          if (widget.isLoading) return;
+          widget.onPressed();
+        },
+        child: Tooltip(
+          message: widget.tooltip ?? "",
+          child: Container(
+            decoration: BoxDecoration(
+              color: isHover
+                  ? Theme.of(context)
+                  .colorScheme
+                  .outlineVariant
+                  .withOpacity(0.4)
+                  : null,
+              borderRadius: BorderRadius.circular((iconSize + 12) / 2),
+            ),
+            padding: const EdgeInsets.all(6),
+            child: icon,
           ),
         ),
       ),
     );
   }
-}
+}
\ No newline at end of file
diff --git a/lib/foundation/comic_source/comic_source.dart b/lib/foundation/comic_source/comic_source.dart
index dba6638..c640be2 100644
--- a/lib/foundation/comic_source/comic_source.dart
+++ b/lib/foundation/comic_source/comic_source.dart
@@ -17,10 +17,9 @@ import '../js_engine.dart';
 import '../log.dart';
 
 part 'category.dart';
-
 part 'favorites.dart';
-
 part 'parser.dart';
+part 'models.dart';
 
 /// build comic list, [Res.subData] should be maxPage or null if there is no limit.
 typedef ComicListBuilder = Future<Res<List<Comic>>> Function(int page);
@@ -43,9 +42,19 @@ typedef GetImageLoadingConfigFunc = Map<String, dynamic> Function(
 typedef GetThumbnailLoadingConfigFunc = Map<String, dynamic> Function(
     String imageKey)?;
 
-typedef ComicThumbnailLoader = Future<Res<List<String>>> Function(String comicId, String? next);
+typedef ComicThumbnailLoader = Future<Res<List<String>>> Function(
+    String comicId, String? next);
 
-typedef LikeOrUnlikeComicFunc = Future<Res<bool>> Function(String comicId, bool isLiking);
+typedef LikeOrUnlikeComicFunc = Future<Res<bool>> Function(
+    String comicId, bool isLiking);
+
+/// [isLiking] is true if the user is liking the comment, false if unliking.
+/// return the new likes count or null.
+typedef LikeCommentFunc = Future<Res<int?>> Function(String comicId, String? subId, String commentId, bool isLiking);
+
+/// [isUp] is true if the user is upvoting the comment, false if downvoting.
+/// return the new vote count or null.
+typedef VoteCommentFunc = Future<Res<int?>> Function(String comicId, String? subId, String commentId, bool isUp, bool isCancel);
 
 class ComicSource {
   static final List<ComicSource> _sources = [];
@@ -155,8 +164,6 @@ class ComicSource {
   final Map<String, dynamic> Function(String imageKey)?
       getThumbnailLoadingConfig;
 
-  final String? matchBriefIdReg;
-
   var data = <String, dynamic>{};
 
   bool get isLogged => data["account"] != null;
@@ -175,6 +182,10 @@ class ComicSource {
 
   final LikeOrUnlikeComicFunc? likeOrUnlikeComic;
 
+  final VoteCommentFunc? voteCommentFunc;
+
+  final LikeCommentFunc? likeCommentFunc;
+
   Future<void> loadData() async {
     var file = File("${App.dataPath}/comic_source/$key.data");
     if (await file.exists()) {
@@ -228,37 +239,15 @@ class ComicSource {
       this.loadComicPages,
       this.getImageLoadingConfig,
       this.getThumbnailLoadingConfig,
-      this.matchBriefIdReg,
       this.filePath,
       this.url,
       this.version,
       this.commentsLoader,
       this.sendCommentFunc,
-      this.likeOrUnlikeComic)
+      this.likeOrUnlikeComic,
+      this.voteCommentFunc,
+      this.likeCommentFunc,)
       : idMatcher = null;
-
-  ComicSource.unknown(this.key)
-      : name = "Unknown",
-        account = null,
-        categoryData = null,
-        categoryComicsData = null,
-        favoriteData = null,
-        explorePages = [],
-        searchPageData = null,
-        settings = [],
-        loadComicInfo = null,
-        loadComicThumbnail = null,
-        loadComicPages = null,
-        getImageLoadingConfig = null,
-        getThumbnailLoadingConfig = null,
-        matchBriefIdReg = null,
-        filePath = "",
-        url = "",
-        version = "",
-        commentsLoader = null,
-        sendCommentFunc = null,
-        idMatcher = null,
-        likeOrUnlikeComic = null;
 }
 
 class AccountConfig {
@@ -394,131 +383,6 @@ enum SettingType {
   input,
 }
 
-class Comic {
-  final String title;
-
-  final String cover;
-
-  final String id;
-
-  final String? subtitle;
-
-  final List<String>? tags;
-
-  final String description;
-
-  final String sourceKey;
-
-  final int? maxPage;
-
-  const Comic(this.title, this.cover, this.id, this.subtitle, this.tags,
-      this.description, this.sourceKey, this.maxPage);
-
-  Map<String, dynamic> toJson() {
-    return {
-      "title": title,
-      "cover": cover,
-      "id": id,
-      "subTitle": subtitle,
-      "tags": tags,
-      "description": description,
-      "sourceKey": sourceKey,
-      "maxPage": maxPage,
-    };
-  }
-
-  Comic.fromJson(Map<String, dynamic> json, this.sourceKey)
-      : title = json["title"],
-        subtitle = json["subTitle"] ?? "",
-        cover = json["cover"],
-        id = json["id"],
-        tags = List<String>.from(json["tags"] ?? []),
-        description = json["description"] ?? "",
-        maxPage = json["maxPage"];
-}
-
-class ComicDetails with HistoryMixin {
-  @override
-  final String title;
-
-  @override
-  final String? subTitle;
-
-  @override
-  final String cover;
-
-  final String? description;
-
-  final Map<String, List<String>> tags;
-
-  /// id-name
-  final Map<String, String>? chapters;
-
-  final List<String>? thumbnails;
-
-  final List<Comic>? recommend;
-
-  final String sourceKey;
-
-  final String comicId;
-
-  final bool? isFavorite;
-
-  final String? subId;
-
-  final bool? isLiked;
-
-  final int? likesCount;
-
-  final int? commentsCount;
-
-  final String? uploader;
-
-  final String? uploadTime;
-
-  final String? updateTime;
-
-  static Map<String, List<String>> _generateMap(Map<String, dynamic> map) {
-    var res = <String, List<String>>{};
-    map.forEach((key, value) {
-      res[key] = List<String>.from(value);
-    });
-    return res;
-  }
-
-  ComicDetails.fromJson(Map<String, dynamic> json)
-      : title = json["title"],
-        subTitle = json["subTitle"],
-        cover = json["cover"],
-        description = json["description"],
-        tags = _generateMap(json["tags"]),
-        chapters = json["chapters"] == null
-            ? null
-            : Map<String, String>.from(json["chapters"]),
-        sourceKey = json["sourceKey"],
-        comicId = json["comicId"],
-        thumbnails = ListOrNull.from(json["thumbnails"]),
-        recommend = (json["recommend"] as List?)
-            ?.map((e) => Comic.fromJson(e, json["sourceKey"]))
-            .toList(),
-        isFavorite = json["isFavorite"],
-        subId = json["subId"],
-        likesCount = json["likesCount"],
-        isLiked = json["isLiked"],
-        commentsCount = json["commentsCount"],
-        uploader = json["uploader"],
-        uploadTime = json["uploadTime"],
-        updateTime = json["updateTime"];
-
-  @override
-  HistoryType get historyType => HistoryType(sourceKey.hashCode);
-
-  @override
-  String get id => comicId;
-
-  ComicType get comicType => ComicType(sourceKey.hashCode);
-}
-
 typedef CategoryComicsLoader = Future<Res<List<Comic>>> Function(
     String category, String? param, List<String> options, int page);
 
@@ -560,14 +424,3 @@ class CategoryComicsOptions {
   const CategoryComicsOptions(this.options, this.notShowWhen, this.showWhen);
 }
 
-class Comment {
-  final String userName;
-  final String? avatar;
-  final String content;
-  final String? time;
-  final int? replyCount;
-  final String? id;
-
-  const Comment(this.userName, this.avatar, this.content, this.time,
-      this.replyCount, this.id);
-}
diff --git a/lib/foundation/comic_source/models.dart b/lib/foundation/comic_source/models.dart
new file mode 100644
index 0000000..d8473b1
--- /dev/null
+++ b/lib/foundation/comic_source/models.dart
@@ -0,0 +1,149 @@
+part of 'comic_source.dart';
+
+class Comment {
+  final String userName;
+  final String? avatar;
+  final String content;
+  final String? time;
+  final int? replyCount;
+  final String? id;
+  final int? score;
+  final bool? isLiked;
+  final int? voteStatus; // 1: upvote, -1: downvote, 0: none
+
+  Comment.fromJson(Map<String, dynamic> json)
+      : userName = json["userName"],
+        avatar = json["avatar"],
+        content = json["content"],
+        time = json["time"],
+        replyCount = json["replyCount"],
+        id = json["id"].toString(),
+        score = json["score"],
+        isLiked = json["isLiked"],
+        voteStatus = json["voteStatus"];
+}
+
+class Comic {
+  final String title;
+
+  final String cover;
+
+  final String id;
+
+  final String? subtitle;
+
+  final List<String>? tags;
+
+  final String description;
+
+  final String sourceKey;
+
+  final int? maxPage;
+
+  const Comic(this.title, this.cover, this.id, this.subtitle, this.tags,
+      this.description, this.sourceKey, this.maxPage);
+
+  Map<String, dynamic> toJson() {
+    return {
+      "title": title,
+      "cover": cover,
+      "id": id,
+      "subTitle": subtitle,
+      "tags": tags,
+      "description": description,
+      "sourceKey": sourceKey,
+      "maxPage": maxPage,
+    };
+  }
+
+  Comic.fromJson(Map<String, dynamic> json, this.sourceKey)
+      : title = json["title"],
+        subtitle = json["subTitle"] ?? "",
+        cover = json["cover"],
+        id = json["id"],
+        tags = List<String>.from(json["tags"] ?? []),
+        description = json["description"] ?? "",
+        maxPage = json["maxPage"];
+}
+
+class ComicDetails with HistoryMixin {
+  @override
+  final String title;
+
+  @override
+  final String? subTitle;
+
+  @override
+  final String cover;
+
+  final String? description;
+
+  final Map<String, List<String>> tags;
+
+  /// id-name
+  final Map<String, String>? chapters;
+
+  final List<String>? thumbnails;
+
+  final List<Comic>? recommend;
+
+  final String sourceKey;
+
+  final String comicId;
+
+  final bool? isFavorite;
+
+  final String? subId;
+
+  final bool? isLiked;
+
+  final int? likesCount;
+
+  final int? commentsCount;
+
+  final String? uploader;
+
+  final String? uploadTime;
+
+  final String? updateTime;
+
+  static Map<String, List<String>> _generateMap(Map<String, dynamic> map) {
+    var res = <String, List<String>>{};
+    map.forEach((key, value) {
+      res[key] = List<String>.from(value);
+    });
+    return res;
+  }
+
+  ComicDetails.fromJson(Map<String, dynamic> json)
+      : title = json["title"],
+        subTitle = json["subTitle"],
+        cover = json["cover"],
+        description = json["description"],
+        tags = _generateMap(json["tags"]),
+        chapters = json["chapters"] == null
+            ? null
+            : Map<String, String>.from(json["chapters"]),
+        sourceKey = json["sourceKey"],
+        comicId = json["comicId"],
+        thumbnails = ListOrNull.from(json["thumbnails"]),
+        recommend = (json["recommend"] as List?)
+            ?.map((e) => Comic.fromJson(e, json["sourceKey"]))
+            .toList(),
+        isFavorite = json["isFavorite"],
+        subId = json["subId"],
+        likesCount = json["likesCount"],
+        isLiked = json["isLiked"],
+        commentsCount = json["commentsCount"],
+        uploader = json["uploader"],
+        uploadTime = json["uploadTime"],
+        updateTime = json["updateTime"];
+
+  @override
+  HistoryType get historyType => HistoryType(sourceKey.hashCode);
+
+  @override
+  String get id => comicId;
+
+  ComicType get comicType => ComicType(sourceKey.hashCode);
+}
\ No newline at end of file
diff --git a/lib/foundation/comic_source/parser.dart b/lib/foundation/comic_source/parser.dart
index 18a1af5..2881bb4 100644
--- a/lib/foundation/comic_source/parser.dart
+++ b/lib/foundation/comic_source/parser.dart
@@ -103,8 +103,6 @@ class ComicSourceParser {
         (throw ComicSourceParseException('version is required'));
     var minAppVersion = JsEngine().runCode("this['temp'].minAppVersion");
     var url = JsEngine().runCode("this['temp'].url");
-    var matchBriefIdRegex =
-        JsEngine().runCode("this['temp'].comic.matchBriefIdRegex");
     if (minAppVersion != null) {
       if (compareSemVer(minAppVersion, App.version.split('-').first)) {
         throw ComicSourceParseException(
@@ -123,43 +121,29 @@ class ComicSourceParser {
       ComicSource.sources.$_key = this['temp'];
     """);
 
-    final account = _loadAccountConfig();
-    final explorePageData = _loadExploreData();
-    final categoryPageData = _loadCategoryData();
-    final categoryComicsData = _loadCategoryComicsData();
-    final searchData = _loadSearchData();
-    final loadComicFunc = _parseLoadComicFunc();
-    final loadComicThumbnailFunc = _parseThumbnailLoader();
-    final loadComicPagesFunc = _parseLoadComicPagesFunc();
-    final getImageLoadingConfigFunc = _parseImageLoadingConfigFunc();
-    final getThumbnailLoadingConfigFunc = _parseThumbnailLoadingConfigFunc();
-    final favoriteData = _loadFavoriteData();
-    final commentsLoader = _parseCommentsLoader();
-    final sendCommentFunc = _parseSendCommentFunc();
-    final likeFunc = _parseLikeFunc();
-
     var source = ComicSource(
       _name!,
       key,
-      account,
-      categoryPageData,
-      categoryComicsData,
-      favoriteData,
-      explorePageData,
-      searchData,
+      _loadAccountConfig(),
+      _loadCategoryData(),
+      _loadCategoryComicsData(),
+      _loadFavoriteData(),
+      _loadExploreData(),
+      _loadSearchData(),
       [],
-      loadComicFunc,
-      loadComicThumbnailFunc,
-      loadComicPagesFunc,
-      getImageLoadingConfigFunc,
-      getThumbnailLoadingConfigFunc,
-      matchBriefIdRegex,
+      _parseLoadComicFunc(),
+      _parseThumbnailLoader(),
+      _parseLoadComicPagesFunc(),
+      _parseImageLoadingConfigFunc(),
+      _parseThumbnailLoadingConfigFunc(),
       filePath,
       url ?? "",
       version ?? "1.0.0",
-      commentsLoader,
-      sendCommentFunc,
-      likeFunc,
+      _parseCommentsLoader(),
+      _parseSendCommentFunc(),
+      _parseLikeFunc(),
+      _parseVoteCommentFunc(),
+      _parseLikeCommentFunc(),
     );
 
     await source.loadData();
@@ -571,10 +555,7 @@ class ComicSourceParser {
             ${jsonEncode(id)}, ${jsonEncode(subId)}, ${jsonEncode(page)}, ${jsonEncode(replyTo)})
         """);
         return Res(
-            (res["comments"] as List)
-                .map((e) => Comment(e["userName"], e["avatar"], e["content"],
-                    e["time"], e["replyCount"], e["id"].toString()))
-                .toList(),
+            (res["comments"] as List).map((e) => Comment.fromJson(e)).toList(),
             subData: res["maxPage"]);
       } catch (e, s) {
         Log.error("Network", "$e\n$s");
@@ -673,4 +654,38 @@ class ComicSourceParser {
       }
     };
   }
+
+  VoteCommentFunc? _parseVoteCommentFunc() {
+    if (!_checkExists("comic.voteComment")) {
+      return null;
+    }
+    return (id, subId, commentId, isUp, isCancel) async {
+      try {
+        var res = await JsEngine().runCode("""
+          ComicSource.sources.$_key.comic.voteComment(${jsonEncode(id)}, ${jsonEncode(subId)}, ${jsonEncode(commentId)}, ${jsonEncode(isUp)}, ${jsonEncode(isCancel)})
+        """);
+        return Res(res is num ? res.toInt() : 0);
+      } catch (e, s) {
+        Log.error("Network", "$e\n$s");
+        return Res.error(e.toString());
+      }
+    };
+  }
+
+  LikeCommentFunc? _parseLikeCommentFunc() {
+    if (!_checkExists("comic.likeComment")) {
+      return null;
+    }
+    return (id, subId, commentId, isLiking) async {
+      try {
+        var res = await JsEngine().runCode("""
+          ComicSource.sources.$_key.comic.likeComment(${jsonEncode(id)}, ${jsonEncode(subId)}, ${jsonEncode(commentId)}, ${jsonEncode(isLiking)})
+        """);
+        return Res(res is num ? res.toInt() : 0);
+      } catch (e, s) {
+        Log.error("Network", "$e\n$s");
+        return Res.error(e.toString());
+      }
+    };
+  }
 }
diff --git a/lib/pages/comic_page.dart b/lib/pages/comic_page.dart
index 9c85ed8..28966f8 100644
--- a/lib/pages/comic_page.dart
+++ b/lib/pages/comic_page.dart
@@ -12,6 +12,8 @@ import 'package:venera/pages/favorites/favorite_actions.dart';
 import 'package:venera/utils/translations.dart';
 import 'dart:math' as math;
 
+import 'comments_page.dart';
+
 class ComicPage extends StatefulWidget {
   const ComicPage({super.key, required this.id, required this.sourceKey});
 
@@ -466,7 +468,15 @@ abstract mixin class _ComicPageActions {
 
   void showMoreActions() {}
 
-  void showComments() {}
+  void showComments() {
+    showSideBar(
+      App.rootContext,
+      CommentsPage(
+        data: comic,
+        source: comicSource,
+      ),
+    );
+  }
 }
 
 class _ActionButton extends StatelessWidget {
@@ -1107,3 +1117,4 @@ class _NetworkFavoritesState extends State<_NetworkFavorites> {
     }
   }
 }
+
diff --git a/lib/pages/comments_page.dart b/lib/pages/comments_page.dart
new file mode 100644
index 0000000..be713be
--- /dev/null
+++ b/lib/pages/comments_page.dart
@@ -0,0 +1,470 @@
+import 'package:flutter/material.dart';
+import 'package:venera/components/components.dart';
+import 'package:venera/foundation/app.dart';
+import 'package:venera/foundation/comic_source/comic_source.dart';
+import 'package:venera/foundation/image_provider/cached_image.dart';
+import 'package:venera/utils/translations.dart';
+
+class CommentsPage extends StatefulWidget {
+  const CommentsPage(
+      {super.key, required this.data, required this.source, this.replyId});
+
+  final ComicDetails data;
+
+  final ComicSource source;
+
+  final String? replyId;
+
+  @override
+  State<CommentsPage> createState() => _CommentsPageState();
+}
+
+class _CommentsPageState extends State<CommentsPage> {
+  bool _loading = true;
+  List<Comment>? _comments;
+  String? _error;
+  int _page = 1;
+  int? maxPage;
+  var controller = TextEditingController();
+  bool sending = false;
+
+  void firstLoad() async {
+    var res = await widget.source.commentsLoader!(
+        widget.data.comicId, widget.data.subId, 1, widget.replyId);
+    if (res.error) {
+      setState(() {
+        _error = res.errorMessage;
+        _loading = false;
+      });
+    } else {
+      setState(() {
+        _comments = res.data;
+        _loading = false;
+        maxPage = res.subData;
+      });
+    }
+  }
+
+  void loadMore() async {
+    var res = await widget.source.commentsLoader!(
+        widget.data.comicId, widget.data.subId, _page + 1, widget.replyId);
+    if (res.error) {
+      context.showMessage(message: res.errorMessage ?? "Unknown Error");
+    } else {
+      setState(() {
+        _comments!.addAll(res.data);
+        _page++;
+        if (maxPage == null && res.data.isEmpty) {
+          maxPage = _page;
+        }
+      });
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: Appbar(
+        title: Text("Comments".tl),
+      ),
+      body: buildBody(context),
+    );
+  }
+
+  Widget buildBody(BuildContext context) {
+    if (_loading) {
+      firstLoad();
+      return const Center(
+        child: CircularProgressIndicator(),
+      );
+    } else if (_error != null) {
+      return NetworkError(
+        message: _error!,
+        retry: () {
+          setState(() {
+            _loading = true;
+          });
+        },
+        withAppbar: false,
+      );
+    } else {
+      return Column(
+        children: [
+          Expanded(
+            child: ListView.builder(
+              primary: false,
+              padding: EdgeInsets.zero,
+              itemCount: _comments!.length + 1,
+              itemBuilder: (context, index) {
+                if (index == _comments!.length) {
+                  if (_page < (maxPage ?? _page + 1)) {
+                    loadMore();
+                    return const ListLoadingIndicator();
+                  } else {
+                    return const SizedBox();
+                  }
+                }
+
+                return _CommentTile(
+                  comment: _comments![index],
+                  source: widget.source,
+                  comic: widget.data,
+                );
+              },
+            ),
+          ),
+          buildBottom(context)
+        ],
+      );
+    }
+  }
+
+  Widget buildBottom(BuildContext context) {
+    if (widget.source.sendCommentFunc == null) {
+      return const SizedBox(
+        height: 0,
+      );
+    }
+    return Container(
+      padding: const EdgeInsets.symmetric(vertical: 8, horizontal: 8),
+      decoration: BoxDecoration(
+        color: Theme.of(context).colorScheme.surface,
+      ),
+      child: Material(
+        color: context.colorScheme.surfaceContainer,
+        borderRadius: BorderRadius.circular(24),
+        child: Row(
+          children: [
+            Expanded(
+              child: TextField(
+                controller: controller,
+                decoration: InputDecoration(
+                    border: InputBorder.none,
+                    isCollapsed: true,
+                    hintText: "Comment".tl),
+                minLines: 1,
+                maxLines: 5,
+              ),
+            ),
+            if (sending)
+              const Padding(
+                padding: EdgeInsets.all(8.5),
+                child: SizedBox(
+                  width: 24,
+                  height: 24,
+                  child: CircularProgressIndicator(
+                    strokeWidth: 2,
+                  ),
+                ),
+              )
+            else
+              IconButton(
+                onPressed: () async {
+                  if (controller.text.isEmpty) {
+                    return;
+                  }
+                  setState(() {
+                    sending = true;
+                  });
+                  var b = await widget.source.sendCommentFunc!(
+                      widget.data.comicId,
+                      widget.data.subId,
+                      controller.text,
+                      widget.replyId);
+                  if (!b.error) {
+                    controller.text = "";
+                    setState(() {
+                      sending = false;
+                      _loading = true;
+                      _comments?.clear();
+                      _page = 1;
+                      maxPage = null;
+                    });
+                  } else {
+                    context.showMessage(message: b.errorMessage ?? "Error");
+                    setState(() {
+                      sending = false;
+                    });
+                  }
+                },
+                icon: Icon(
+                  Icons.send,
+                  color: Theme.of(context).colorScheme.secondary,
+                ),
+              )
+          ],
+        ).paddingVertical(2).paddingLeft(16).paddingRight(4),
+      ),
+    );
+  }
+}
+
+class _CommentTile extends StatefulWidget {
+  const _CommentTile({
+    required this.comment,
+    required this.source,
+    required this.comic,
+  });
+
+  final Comment comment;
+
+  final ComicSource source;
+
+  final ComicDetails comic;
+
+  @override
+  State<_CommentTile> createState() => _CommentTileState();
+}
+
+class _CommentTileState extends State<_CommentTile> {
+  @override
+  void initState() {
+    likes = widget.comment.score ?? 0;
+    isLiked = widget.comment.isLiked ?? false;
+    voteStatus = widget.comment.voteStatus;
+    super.initState();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      decoration: BoxDecoration(
+        border: Border(
+          bottom: BorderSide(
+            color: Theme.of(context).colorScheme.outlineVariant,
+            width: 0.6,
+          ),
+        ),
+      ),
+      child: Row(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          if (widget.comment.avatar != null)
+            Container(
+              width: 40,
+              height: 40,
+              clipBehavior: Clip.antiAlias,
+              decoration: BoxDecoration(
+                  borderRadius: BorderRadius.circular(20),
+                  color: Theme.of(context).colorScheme.secondaryContainer),
+              child: AnimatedImage(
+                image: CachedImageProvider(
+                  widget.comment.avatar!,
+                  sourceKey: widget.source.key,
+                ),
+              ),
+            ).paddingRight(12),
+          Expanded(
+            child: Column(
+              crossAxisAlignment: CrossAxisAlignment.start,
+              children: [
+                Text(widget.comment.userName),
+                if (widget.comment.time != null)
+                  Text(widget.comment.time!, style: ts.s12),
+                const SizedBox(height: 4),
+                Text(widget.comment.content),
+                buildActions(),
+              ],
+            ),
+          )
+        ],
+      ).paddingAll(16),
+    );
+  }
+
+  Widget buildActions() {
+    if (widget.comment.score == null && widget.comment.replyCount == null) {
+      return const SizedBox();
+    }
+    return SizedBox(
+      height: 36,
+      child: Row(
+        mainAxisAlignment: MainAxisAlignment.end,
+        children: [
+          if (widget.comment.score != null &&
+              widget.source.voteCommentFunc != null)
+            buildVote(),
+          if (widget.comment.score != null &&
+              widget.source.likeCommentFunc != null)
+            buildLike(),
+          if (widget.comment.replyCount != null) buildReply(),
+        ],
+      ),
+    ).paddingTop(8);
+  }
+
+  Widget buildReply() {
+    return Container(
+      margin: const EdgeInsets.only(left: 8),
+      decoration: BoxDecoration(
+        border: Border.all(
+          color: Theme.of(context).colorScheme.outlineVariant,
+          width: 0.6,
+        ),
+        borderRadius: BorderRadius.circular(16),
+      ),
+      child: InkWell(
+        borderRadius: BorderRadius.circular(16),
+        onTap: () {
+          showSideBar(
+            context,
+            CommentsPage(
+              data: widget.comic,
+              source: widget.source,
+              replyId: widget.comment.id,
+            ),
+          );
+        },
+        child: Row(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            const Icon(Icons.insert_comment_outlined, size: 16),
+            const SizedBox(width: 8),
+            Text(widget.comment.replyCount.toString()),
+          ],
+        ).padding(const EdgeInsets.symmetric(horizontal: 12, vertical: 4)),
+      ),
+    );
+  }
+
+  bool isLiking = false;
+
+  bool isLiked = false;
+
+  var likes = 0;
+
+  Widget buildLike() {
+    return Container(
+      margin: const EdgeInsets.only(left: 8),
+      decoration: BoxDecoration(
+        border: Border.all(
+          color: Theme.of(context).colorScheme.outlineVariant,
+          width: 0.6,
+        ),
+        borderRadius: BorderRadius.circular(16),
+      ),
+      child: InkWell(
+        borderRadius: BorderRadius.circular(16),
+        onTap: () async {
+          if (isLiking) return;
+          setState(() {
+            isLiking = true;
+          });
+          var res = await widget.source.likeCommentFunc!(
+            widget.comic.comicId,
+            widget.comic.subId,
+            widget.comment.id!,
+            !isLiked,
+          );
+          if (res.success) {
+            isLiked = !isLiked;
+            likes += isLiked ? 1 : -1;
+          } else {
+            context.showMessage(message: res.errorMessage ?? "Error");
+          }
+          setState(() {
+            isLiking = false;
+          });
+        },
+        child: Row(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            if (isLiking)
+              const SizedBox(
+                width: 16,
+                height: 16,
+                child: CircularProgressIndicator(),
+              )
+            else if (isLiked)
+              const Icon(Icons.favorite, size: 16)
+            else
+              const Icon(Icons.favorite_border, size: 16),
+            const SizedBox(width: 8),
+            Text(likes.toString()),
+          ],
+        ).padding(const EdgeInsets.symmetric(horizontal: 12, vertical: 4)),
+      ),
+    );
+  }
+
+  int? voteStatus;
+
+  bool isVoteUp = false;
+
+  bool isVoteDown = false;
+
+  void vote(bool isUp) async {
+    if (isVoteUp || isVoteDown) return;
+    setState(() {
+      if (isUp) {
+        isVoteUp = true;
+      } else {
+        isVoteDown = true;
+      }
+    });
+    var res = await widget.source.voteCommentFunc!(
+      widget.comic.comicId,
+      widget.comic.subId,
+      widget.comment.id!,
+      isUp,
+      (isUp && voteStatus == 1) || (!isUp && voteStatus == -1),
+    );
+    if (res.success) {
+      if (isUp) {
+        voteStatus = 1;
+      } else {
+        voteStatus = -1;
+      }
+    } else {
+      context.showMessage(message: res.errorMessage ?? "Error");
+    }
+    setState(() {
+      isVoteUp = false;
+      isVoteDown = false;
+    });
+  }
+
+  Widget buildVote() {
+    var upColor = context.colorScheme.outline;
+    if (voteStatus == 1) {
+      upColor = context.useTextColor(Colors.red);
+    }
+    var downColor = context.colorScheme.outline;
+    if (voteStatus == -1) {
+      downColor = context.useTextColor(Colors.blue);
+    }
+
+    return Container(
+      margin: const EdgeInsets.only(left: 8),
+      decoration: BoxDecoration(
+        borderRadius: BorderRadius.circular(16),
+        border: Border.all(
+          color: Theme.of(context).colorScheme.outlineVariant,
+          width: 0.6,
+        ),
+      ),
+      child: Row(
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          Button.icon(
+            isLoading: isVoteUp,
+            icon: const Icon(Icons.arrow_upward),
+            size: 18,
+            color: upColor,
+            onPressed: () => vote(true),
+          ),
+          const SizedBox(width: 4),
+          Text(widget.comment.score.toString()),
+          const SizedBox(width: 4),
+          Button.icon(
+            isLoading: isVoteDown,
+            icon: const Icon(Icons.arrow_downward),
+            size: 18,
+            color: downColor,
+            onPressed: () => vote(false),
+          ),
+        ],
+      ),
+    );
+  }
+}