✨ Search filtering by categories

assets/translations/en-US.json

@@ -57,7 +57,7 @@
   "reply": "Reply",
   "unset": "Unset",
   "untitled": "Untitled",
-  "postDetail": "Post detail",
+  "postDetail": "Post Detail",
   "postNoun": "Post",
   "postReadMore": "Read more",
   "postReadEstimate": "Est read time {}",
@@ -139,6 +139,7 @@
   "fieldPostTitle": "Title",
   "fieldPostDescription": "Description",
   "fieldPostTags": "Tags",
+  "fieldPostCategories": "Categories",
   "fieldPostAlias": "Alias",
   "fieldPostAliasHint": "Optional, used to represent the post in URL, should follow URL-Safe.",
   "postPublish": "Publish",
@@ -477,5 +478,15 @@
   "colorSchemeRed": "Red",
   "colorSchemeWhite": "White",
   "colorSchemeBlack": "Black",
-  "colorSchemeApplied": "Color scheme has been applied, may need restart the app to take effect."
+  "colorSchemeApplied": "Color scheme has been applied, may need restart the app to take effect.",
+  "postCategoryTechnology": "Technology",
+  "postCategoryGaming": "Gaming",
+  "postCategoryLife": "Life",
+  "postCategoryArts": "Arts",
+  "postCategorySports": "Sports",
+  "postCategoryMusic": "Music",
+  "postCategoryNews": "News",
+  "postCategoryKnowledge": "Knowledge",
+  "postCategoryLiterature": "Literature",
+  "postCategoryUncategorized": "Uncategorized"
 }

assets/translations/zh-CN.json

@@ -123,6 +123,7 @@
   "fieldPostTitle": "标题",
   "fieldPostDescription": "描述",
   "fieldPostTags": "标签",
+  "fieldPostCategories": "分类",
   "fieldPostAlias": "别名",
   "fieldPostAliasHint": "可选项，用于在 URL 中表示该帖子，应遵循 URL-Safe 的原则。",
   "postPublish": "发布",
@@ -416,7 +417,7 @@
   "accountStatus": "状态",
   "accountStatusOnline": "在线",
   "accountStatusOffline": "离线",
-  "accountStatusLastSeen": "最后一次在 {} 上线",
+  "accountStatusLastSeen": "最后一次上线于 {}",
   "postArticle": "Solar Network 上的文章",
   "postStory": "Solar Network 上的故事",
   "articleWrittenAt": "发表于 {}",
@@ -475,5 +476,15 @@
   "colorSchemeRed": "红色",
   "colorSchemeWhite": "白色",
   "colorSchemeBlack": "黑色",
-  "colorSchemeApplied": "主题色已应用，可能需要重启来生效。"
+  "colorSchemeApplied": "主题色已应用，可能需要重启来生效。",
+  "postCategoryTechnology": "技术",
+  "postCategoryGaming": "游戏",
+  "postCategoryLife": "生活",
+  "postCategoryArts": "艺术",
+  "postCategorySports": "体育",
+  "postCategoryMusic": "音乐",
+  "postCategoryNews": "新闻",
+  "postCategoryKnowledge": "知识",
+  "postCategoryLiterature": "文学",
+  "postCategoryUncategorized": "未分类"
 }

assets/translations/zh-HK.json

@@ -123,6 +123,7 @@
   "fieldPostTitle": "標題",
   "fieldPostDescription": "描述",
   "fieldPostTags": "標籤",
+  "fieldPostCategories": "分類",
   "fieldPostAlias": "別名",
   "fieldPostAliasHint": "可選項，用於在 URL 中表示該帖子，應遵循 URL-Safe 的原則。",
   "postPublish": "發佈",
@@ -416,7 +417,7 @@
   "accountStatus": "狀態",
   "accountStatusOnline": "在線",
   "accountStatusOffline": "離線",
-  "accountStatusLastSeen": "最後一次在 {} 上線",
+  "accountStatusLastSeen": "最後一次上線於 {}",
   "postArticle": "Solar Network 上的文章",
   "postStory": "Solar Network 上的故事",
   "articleWrittenAt": "發表於 {}",
@@ -475,5 +476,15 @@
   "colorSchemeRed": "紅色",
   "colorSchemeWhite": "白色",
   "colorSchemeBlack": "黑色",
-  "colorSchemeApplied": "主題色已應用，可能需要重啓來生效。"
+  "colorSchemeApplied": "主題色已應用，可能需要重啓來生效。",
+  "postCategoryTechnology": "技術",
+  "postCategoryGaming": "遊戲",
+  "postCategoryLife": "生活",
+  "postCategoryArts": "藝術",
+  "postCategorySports": "體育",
+  "postCategoryMusic": "音樂",
+  "postCategoryNews": "新聞",
+  "postCategoryKnowledge": "知識",
+  "postCategoryLiterature": "文學",
+  "postCategoryUncategorized": "未分類"
 }

assets/translations/zh-TW.json

@@ -123,6 +123,7 @@
   "fieldPostTitle": "標題",
   "fieldPostDescription": "描述",
   "fieldPostTags": "標籤",
+  "fieldPostCategories": "分類",
   "fieldPostAlias": "別名",
   "fieldPostAliasHint": "可選項，用於在 URL 中表示該帖子，應遵循 URL-Safe 的原則。",
   "postPublish": "釋出",
@@ -416,7 +417,7 @@
   "accountStatus": "狀態",
   "accountStatusOnline": "線上",
   "accountStatusOffline": "離線",
-  "accountStatusLastSeen": "最後一次在 {} 上線",
+  "accountStatusLastSeen": "最後一次上線於 {}",
   "postArticle": "Solar Network 上的文章",
   "postStory": "Solar Network 上的故事",
   "articleWrittenAt": "發表於 {}",
@@ -475,5 +476,15 @@
   "colorSchemeRed": "紅色",
   "colorSchemeWhite": "白色",
   "colorSchemeBlack": "黑色",
-  "colorSchemeApplied": "主題色已應用，可能需要重啟來生效。"
+  "colorSchemeApplied": "主題色已應用，可能需要重啟來生效。",
+  "postCategoryTechnology": "技術",
+  "postCategoryGaming": "遊戲",
+  "postCategoryLife": "生活",
+  "postCategoryArts": "藝術",
+  "postCategorySports": "體育",
+  "postCategoryMusic": "音樂",
+  "postCategoryNews": "新聞",
+  "postCategoryKnowledge": "知識",
+  "postCategoryLiterature": "文學",
+  "postCategoryUncategorized": "未分類"
 }

lib/controllers/post_write_controller.dart

@@ -178,6 +178,7 @@ class PostWriteController extends ChangeNotifier {
   List<int> visibleUsers = List.empty();
   List<int> invisibleUsers = List.empty();
   List<String> tags = List.empty();
+  List<String> categories = List.empty();
   PostWriteMedia? thumbnail;
   List<PostWriteMedia> attachments = List.empty(growable: true);
   DateTime? publishedAt, publishedUntil;
@@ -207,6 +208,7 @@ class PostWriteController extends ChangeNotifier {
         invisibleUsers = List.from(post.invisibleUsersList ?? []);
         visibility = post.visibility;
         tags = List.from(post.tags.map((ele) => ele.alias));
+        categories = List.from(post.categories.map((ele) => ele.alias));
         attachments.addAll(post.preload?.attachments?.map((ele) => PostWriteMedia(ele)) ?? []);
 
         if (post.preload?.thumbnail != null && (post.preload?.thumbnail?.rid.isNotEmpty ?? false)) {
@@ -345,6 +347,7 @@ class PostWriteController extends ChangeNotifier {
           if (thumbnail != null && thumbnail!.attachment != null) 'thumbnail': thumbnail!.attachment!.rid,
           'attachments': attachments.where((e) => e.attachment != null).map((e) => e.attachment!.rid).toList(),
           'tags': tags.map((ele) => {'alias': ele}).toList(),
+          'categories': categories.map((ele) => {'alias': ele}).toList(),
           'visibility': visibility,
           'visible_users_list': visibleUsers,
           'invisible_users_list': invisibleUsers,
@@ -431,6 +434,11 @@ class PostWriteController extends ChangeNotifier {
     notifyListeners();
   }
 
+  void setCategories(List<String> value) {
+    categories = value;
+    notifyListeners();
+  }
+
   void setVisibility(int value) {
     visibility = value;
     notifyListeners();
@@ -467,6 +475,9 @@ class PostWriteController extends ChangeNotifier {
     titleController.clear();
     descriptionController.clear();
     contentController.clear();
+    aliasController.clear();
+    tags.clear();
+    categories.clear();
     attachments.clear();
     editingPost = null;
     replyingPost = null;
@@ -480,6 +491,7 @@ class PostWriteController extends ChangeNotifier {
     contentController.dispose();
     titleController.dispose();
     descriptionController.dispose();
+    aliasController.dispose();
     super.dispose();
   }
 }

lib/providers/post.dart

@@ -118,12 +118,14 @@ class SnPostContentProvider {
     int take = 10,
     int offset = 0,
     Iterable<String>? tags,
+    Iterable<String>? categories,
   }) async {
     final resp = await _sn.client.get('/cgi/co/posts/search', queryParameters: {
       'take': take,
       'offset': offset,
       'probe': searchTerm,
       if (tags?.isNotEmpty ?? false) 'tags': tags!.join(','),
+      if (categories?.isNotEmpty ?? false) 'categories': categories!.join(','),
     });
     final List<SnPost> out = await _preloadRelatedDataInBatch(
       List.from(resp.data['data']?.map((e) => SnPost.fromJson(e)) ?? []),

lib/providers/userinfo.dart

@@ -1,7 +1,6 @@
 import 'dart:developer';
 
 import 'package:flutter/material.dart';
-import 'package:path/path.dart';
 import 'package:provider/provider.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import 'package:surface/providers/config.dart';

lib/screens/account/pfp.dart

@@ -228,65 +228,72 @@ class _UserScreenState extends State<UserScreen> with SingleTickerProviderStateM
       body: CustomScrollView(
         controller: _scrollController,
         slivers: [
-          SliverAppBar(
-            expandedHeight: _appBarHeight,
-            title: _account == null
-                ? Text('loading').tr()
-                : RichText(
-                    textAlign: TextAlign.center,
-                    text: TextSpan(children: [
-                      TextSpan(
-                        text: _account!.nick,
-                        style: Theme.of(context).textTheme.titleLarge!.copyWith(
-                              color: Theme.of(context).appBarTheme.foregroundColor!,
-                              shadows: labelShadows,
-                            ),
-                      ),
-                      const TextSpan(text: '\n'),
-                      TextSpan(
-                        text: '@${_account!.name}',
-                        style: Theme.of(context).textTheme.bodySmall!.copyWith(
-                              color: Theme.of(context).appBarTheme.foregroundColor!,
-                              shadows: labelShadows,
-                            ),
-                      ),
-                    ]),
+          Theme(
+            data: Theme.of(context).copyWith(
+              appBarTheme: Theme.of(context).appBarTheme.copyWith(
+                    foregroundColor: Colors.white,
                   ),
-            pinned: true,
-            flexibleSpace: _account != null
-                ? Stack(
-                    fit: StackFit.expand,
-                    children: [
-                      UniversalImage(
-                        sn.getAttachmentUrl(_account!.banner),
-                        fit: BoxFit.cover,
-                        height: imageHeight,
-                        width: _appBarWidth,
-                        cacheHeight: imageHeight,
-                        cacheWidth: _appBarWidth,
-                      ),
-                      Positioned(
-                        top: 0,
-                        left: 0,
-                        right: 0,
-                        height: 56 + MediaQuery.of(context).padding.top,
-                        child: ClipRect(
-                          child: BackdropFilter(
-                            filter: ImageFilter.blur(
-                              sigmaX: _appBarBlur,
-                              sigmaY: _appBarBlur,
-                            ),
-                            child: Container(
-                              color: Colors.black.withOpacity(
-                                clampDouble(_appBarBlur * 0.1, 0, 0.5),
+            ),
+            child: SliverAppBar(
+              expandedHeight: _appBarHeight,
+              title: _account == null
+                  ? Text('loading').tr()
+                  : RichText(
+                      textAlign: TextAlign.center,
+                      text: TextSpan(children: [
+                        TextSpan(
+                          text: _account!.nick,
+                          style: Theme.of(context).textTheme.titleLarge!.copyWith(
+                                color: Colors.white,
+                                shadows: labelShadows,
+                              ),
+                        ),
+                        const TextSpan(text: '\n'),
+                        TextSpan(
+                          text: '@${_account!.name}',
+                          style: Theme.of(context).textTheme.bodySmall!.copyWith(
+                                color: Colors.white,
+                                shadows: labelShadows,
+                              ),
+                        ),
+                      ]),
+                    ),
+              pinned: true,
+              flexibleSpace: _account != null
+                  ? Stack(
+                      fit: StackFit.expand,
+                      children: [
+                        UniversalImage(
+                          sn.getAttachmentUrl(_account!.banner),
+                          fit: BoxFit.cover,
+                          height: imageHeight,
+                          width: _appBarWidth,
+                          cacheHeight: imageHeight,
+                          cacheWidth: _appBarWidth,
+                        ),
+                        Positioned(
+                          top: 0,
+                          left: 0,
+                          right: 0,
+                          height: 56 + MediaQuery.of(context).padding.top,
+                          child: ClipRect(
+                            child: BackdropFilter(
+                              filter: ImageFilter.blur(
+                                sigmaX: _appBarBlur,
+                                sigmaY: _appBarBlur,
+                              ),
+                              child: Container(
+                                color: Colors.black.withOpacity(
+                                  clampDouble(_appBarBlur * 0.1, 0, 0.5),
+                                ),
                               ),
                             ),
                           ),
                         ),
-                      ),
-                    ],
-                  )
-                : null,
+                      ],
+                    )
+                  : null,
+            ),
           ),
           if (_account != null)
             SliverToBoxAdapter(

lib/screens/post/post_search.dart

@@ -23,6 +23,7 @@ class _PostSearchScreenState extends State<PostSearchScreen> {
   bool _isBusy = false;
 
   List<String> _searchTags = List.empty(growable: true);
+  List<String> _searchCategories = List.empty(growable: true);
 
   final List<SnPost> _posts = List.empty(growable: true);
   int? _postCount;
@@ -31,7 +32,7 @@ class _PostSearchScreenState extends State<PostSearchScreen> {
   Duration? _lastTook;
 
   Future<void> _fetchPosts() async {
-    if (_searchTerm.isEmpty && _searchTags.isEmpty) return;
+    if (_searchTerm.isEmpty && _searchCategories.isEmpty && _searchTags.isEmpty) return;
     if (_postCount != null && _posts.length >= _postCount!) return;
 
     setState(() => _isBusy = true);
@@ -45,6 +46,7 @@ class _PostSearchScreenState extends State<PostSearchScreen> {
         take: 10,
         offset: _posts.length,
         tags: _searchTags,
+        categories: _searchCategories,
       );
       final List<SnPost> out = result.$1;
       _postCount = result.$2;
@@ -73,9 +75,20 @@ class _PostSearchScreenState extends State<PostSearchScreen> {
               setState(() => _searchTags = value);
             },
           ),
+          const Gap(4),
+          PostCategoriesField(
+            labelText: 'fieldPostCategories'.tr(),
+            initialCategories: _searchCategories,
+            onUpdate: (value) {
+              setState(() => _searchCategories = value);
+            },
+          ),
         ],
       ).padding(horizontal: 24, vertical: 16),
-    );
+    ).then((_) {
+      _posts.clear();
+      _fetchPosts();
+    });
   }
 
   @override

lib/screens/post/publisher_page.dart

@@ -277,70 +277,77 @@ class _PostPublisherScreenState extends State<PostPublisherScreen> with SingleTi
               handle: NestedScrollView.sliverOverlapAbsorberHandleFor(context),
               sliver: MultiSliver(
                 children: [
-                  SliverAppBar(
-                    expandedHeight: _appBarHeight,
-                    title: _publisher == null
-                        ? Text('loading').tr()
-                        : RichText(
-                            textAlign: TextAlign.center,
-                            text: TextSpan(children: [
-                              TextSpan(
-                                text: _publisher!.nick,
-                                style: Theme.of(context).textTheme.titleLarge!.copyWith(
-                                      color: Theme.of(context).appBarTheme.foregroundColor!,
-                                      shadows: labelShadows,
-                                    ),
-                              ),
-                              const TextSpan(text: '\n'),
-                              TextSpan(
-                                text: '@${_publisher!.name}',
-                                style: Theme.of(context).textTheme.bodySmall!.copyWith(
-                                      color: Colors.white,
-                                      shadows: labelShadows,
-                                    ),
-                              ),
-                            ]),
-                          ),
-                    pinned: true,
-                    flexibleSpace: _publisher != null
-                        ? Stack(
-                            fit: StackFit.expand,
-                            children: [
-                              if (_publisher!.banner.isNotEmpty)
-                                UniversalImage(
-                                  sn.getAttachmentUrl(_publisher!.banner),
-                                  fit: BoxFit.cover,
-                                  height: imageHeight,
-                                  width: _appBarWidth,
-                                  cacheHeight: imageHeight,
-                                  cacheWidth: _appBarWidth,
-                                )
-                              else
-                                Container(
-                                  color: Theme.of(context).colorScheme.surfaceContainer,
+                  Theme(
+                    data: Theme.of(context).copyWith(
+                      appBarTheme: Theme.of(context).appBarTheme.copyWith(
+                        foregroundColor: Colors.white,
+                      ),
+                    ),
+                    child: SliverAppBar(
+                      expandedHeight: _appBarHeight,
+                      title: _publisher == null
+                          ? Text('loading').tr()
+                          : RichText(
+                              textAlign: TextAlign.center,
+                              text: TextSpan(children: [
+                                TextSpan(
+                                  text: _publisher!.nick,
+                                  style: Theme.of(context).textTheme.titleLarge!.copyWith(
+                                        color: Colors.white,
+                                        shadows: labelShadows,
+                                      ),
                                 ),
-                              Positioned(
-                                top: 0,
-                                left: 0,
-                                right: 0,
-                                height: 56 + MediaQuery.of(context).padding.top,
-                                child: ClipRect(
-                                  child: BackdropFilter(
-                                    filter: ImageFilter.blur(
-                                      sigmaX: _appBarBlur,
-                                      sigmaY: _appBarBlur,
-                                    ),
-                                    child: Container(
-                                      color: Colors.black.withOpacity(
-                                        clampDouble(_appBarBlur * 0.1, 0, 0.5),
+                                const TextSpan(text: '\n'),
+                                TextSpan(
+                                  text: '@${_publisher!.name}',
+                                  style: Theme.of(context).textTheme.bodySmall!.copyWith(
+                                        color: Colors.white,
+                                        shadows: labelShadows,
+                                      ),
+                                ),
+                              ]),
+                            ),
+                      pinned: true,
+                      flexibleSpace: _publisher != null
+                          ? Stack(
+                              fit: StackFit.expand,
+                              children: [
+                                if (_publisher!.banner.isNotEmpty)
+                                  UniversalImage(
+                                    sn.getAttachmentUrl(_publisher!.banner),
+                                    fit: BoxFit.cover,
+                                    height: imageHeight,
+                                    width: _appBarWidth,
+                                    cacheHeight: imageHeight,
+                                    cacheWidth: _appBarWidth,
+                                  )
+                                else
+                                  Container(
+                                    color: Theme.of(context).colorScheme.surfaceContainer,
+                                  ),
+                                Positioned(
+                                  top: 0,
+                                  left: 0,
+                                  right: 0,
+                                  height: 56 + MediaQuery.of(context).padding.top,
+                                  child: ClipRect(
+                                    child: BackdropFilter(
+                                      filter: ImageFilter.blur(
+                                        sigmaX: _appBarBlur,
+                                        sigmaY: _appBarBlur,
+                                      ),
+                                      child: Container(
+                                        color: Colors.black.withOpacity(
+                                          clampDouble(_appBarBlur * 0.1, 0, 0.5),
+                                        ),
                                       ),
                                     ),
                                   ),
                                 ),
-                              ),
-                            ],
-                          )
-                        : null,
+                              ],
+                            )
+                          : null,
+                    ),
                   ),
                   if (_publisher != null)
                     SliverToBoxAdapter(

lib/types/post.dart

@@ -19,7 +19,7 @@ class SnPost with _$SnPost {
     required String? alias,
     required String? aliasPrefix,
     @Default([]) List<SnPostTag> tags,
-    @Default([]) List<dynamic> categories,
+    @Default([]) List<SnPostCategory> categories,
     required List<SnPost>? replies,
     required int? replyId,
     required int? repostId,
@@ -67,6 +67,23 @@ class SnPostTag with _$SnPostTag {
       _$SnPostTagFromJson(json);
 }
 
+@freezed
+class SnPostCategory with _$SnPostCategory {
+  const factory SnPostCategory({
+    required int id,
+    required DateTime createdAt,
+    required DateTime updatedAt,
+    required dynamic deletedAt,
+    required String alias,
+    required String name,
+    required String description,
+    required dynamic posts,
+  }) = _SnPostCategory;
+
+  factory SnPostCategory.fromJson(Map<String, Object?> json) =>
+      _$SnPostCategoryFromJson(json);
+}
+
 @freezed
 class SnPostPreload with _$SnPostPreload {
   const factory SnPostPreload({

lib/types/post.freezed.dart

@@ -30,7 +30,7 @@ mixin _$SnPost {
   String? get alias => throw _privateConstructorUsedError;
   String? get aliasPrefix => throw _privateConstructorUsedError;
   List<SnPostTag> get tags => throw _privateConstructorUsedError;
-  List<dynamic> get categories => throw _privateConstructorUsedError;
+  List<SnPostCategory> get categories => throw _privateConstructorUsedError;
   List<SnPost>? get replies => throw _privateConstructorUsedError;
   int? get replyId => throw _privateConstructorUsedError;
   int? get repostId => throw _privateConstructorUsedError;
@@ -77,7 +77,7 @@ abstract class $SnPostCopyWith<$Res> {
       String? alias,
       String? aliasPrefix,
       List<SnPostTag> tags,
-      List<dynamic> categories,
+      List<SnPostCategory> categories,
       List<SnPost>? replies,
       int? replyId,
       int? repostId,
@@ -197,7 +197,7 @@ class _$SnPostCopyWithImpl<$Res, $Val extends SnPost>
       categories: null == categories
           ? _value.categories
           : categories // ignore: cast_nullable_to_non_nullable
-              as List<dynamic>,
+              as List<SnPostCategory>,
       replies: freezed == replies
           ? _value.replies
           : replies // ignore: cast_nullable_to_non_nullable
@@ -362,7 +362,7 @@ abstract class _$$SnPostImplCopyWith<$Res> implements $SnPostCopyWith<$Res> {
       String? alias,
       String? aliasPrefix,
       List<SnPostTag> tags,
-      List<dynamic> categories,
+      List<SnPostCategory> categories,
       List<SnPost>? replies,
       int? replyId,
       int? repostId,
@@ -485,7 +485,7 @@ class __$$SnPostImplCopyWithImpl<$Res>
       categories: null == categories
           ? _value._categories
           : categories // ignore: cast_nullable_to_non_nullable
-              as List<dynamic>,
+              as List<SnPostCategory>,
       replies: freezed == replies
           ? _value._replies
           : replies // ignore: cast_nullable_to_non_nullable
@@ -584,7 +584,7 @@ class _$SnPostImpl extends _SnPost {
       required this.alias,
       required this.aliasPrefix,
       final List<SnPostTag> tags = const [],
-      final List<dynamic> categories = const [],
+      final List<SnPostCategory> categories = const [],
       required final List<SnPost>? replies,
       required this.replyId,
       required this.repostId,
@@ -649,10 +649,10 @@ class _$SnPostImpl extends _SnPost {
     return EqualUnmodifiableListView(_tags);
   }
 
-  final List<dynamic> _categories;
+  final List<SnPostCategory> _categories;
   @override
   @JsonKey()
-  List<dynamic> get categories {
+  List<SnPostCategory> get categories {
     if (_categories is EqualUnmodifiableListView) return _categories;
     // ignore: implicit_dynamic_type
     return EqualUnmodifiableListView(_categories);
@@ -853,7 +853,7 @@ abstract class _SnPost extends SnPost {
       required final String? alias,
       required final String? aliasPrefix,
       final List<SnPostTag> tags,
-      final List<dynamic> categories,
+      final List<SnPostCategory> categories,
       required final List<SnPost>? replies,
       required final int? replyId,
       required final int? repostId,
@@ -899,7 +899,7 @@ abstract class _SnPost extends SnPost {
   @override
   List<SnPostTag> get tags;
   @override
-  List<dynamic> get categories;
+  List<SnPostCategory> get categories;
   @override
   List<SnPost>? get replies;
   @override
@@ -1253,6 +1253,312 @@ abstract class _SnPostTag implements SnPostTag {
       throw _privateConstructorUsedError;
 }
 
+SnPostCategory _$SnPostCategoryFromJson(Map<String, dynamic> json) {
+  return _SnPostCategory.fromJson(json);
+}
+
+/// @nodoc
+mixin _$SnPostCategory {
+  int get id => throw _privateConstructorUsedError;
+  DateTime get createdAt => throw _privateConstructorUsedError;
+  DateTime get updatedAt => throw _privateConstructorUsedError;
+  dynamic get deletedAt => throw _privateConstructorUsedError;
+  String get alias => throw _privateConstructorUsedError;
+  String get name => throw _privateConstructorUsedError;
+  String get description => throw _privateConstructorUsedError;
+  dynamic get posts => throw _privateConstructorUsedError;
+
+  /// Serializes this SnPostCategory to a JSON map.
+  Map<String, dynamic> toJson() => throw _privateConstructorUsedError;
+
+  /// Create a copy of SnPostCategory
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  $SnPostCategoryCopyWith<SnPostCategory> get copyWith =>
+      throw _privateConstructorUsedError;
+}
+
+/// @nodoc
+abstract class $SnPostCategoryCopyWith<$Res> {
+  factory $SnPostCategoryCopyWith(
+          SnPostCategory value, $Res Function(SnPostCategory) then) =
+      _$SnPostCategoryCopyWithImpl<$Res, SnPostCategory>;
+  @useResult
+  $Res call(
+      {int id,
+      DateTime createdAt,
+      DateTime updatedAt,
+      dynamic deletedAt,
+      String alias,
+      String name,
+      String description,
+      dynamic posts});
+}
+
+/// @nodoc
+class _$SnPostCategoryCopyWithImpl<$Res, $Val extends SnPostCategory>
+    implements $SnPostCategoryCopyWith<$Res> {
+  _$SnPostCategoryCopyWithImpl(this._value, this._then);
+
+  // ignore: unused_field
+  final $Val _value;
+  // ignore: unused_field
+  final $Res Function($Val) _then;
+
+  /// Create a copy of SnPostCategory
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? id = null,
+    Object? createdAt = null,
+    Object? updatedAt = null,
+    Object? deletedAt = freezed,
+    Object? alias = null,
+    Object? name = null,
+    Object? description = null,
+    Object? posts = freezed,
+  }) {
+    return _then(_value.copyWith(
+      id: null == id
+          ? _value.id
+          : id // ignore: cast_nullable_to_non_nullable
+              as int,
+      createdAt: null == createdAt
+          ? _value.createdAt
+          : createdAt // ignore: cast_nullable_to_non_nullable
+              as DateTime,
+      updatedAt: null == updatedAt
+          ? _value.updatedAt
+          : updatedAt // ignore: cast_nullable_to_non_nullable
+              as DateTime,
+      deletedAt: freezed == deletedAt
+          ? _value.deletedAt
+          : deletedAt // ignore: cast_nullable_to_non_nullable
+              as dynamic,
+      alias: null == alias
+          ? _value.alias
+          : alias // ignore: cast_nullable_to_non_nullable
+              as String,
+      name: null == name
+          ? _value.name
+          : name // ignore: cast_nullable_to_non_nullable
+              as String,
+      description: null == description
+          ? _value.description
+          : description // ignore: cast_nullable_to_non_nullable
+              as String,
+      posts: freezed == posts
+          ? _value.posts
+          : posts // ignore: cast_nullable_to_non_nullable
+              as dynamic,
+    ) as $Val);
+  }
+}
+
+/// @nodoc
+abstract class _$$SnPostCategoryImplCopyWith<$Res>
+    implements $SnPostCategoryCopyWith<$Res> {
+  factory _$$SnPostCategoryImplCopyWith(_$SnPostCategoryImpl value,
+          $Res Function(_$SnPostCategoryImpl) then) =
+      __$$SnPostCategoryImplCopyWithImpl<$Res>;
+  @override
+  @useResult
+  $Res call(
+      {int id,
+      DateTime createdAt,
+      DateTime updatedAt,
+      dynamic deletedAt,
+      String alias,
+      String name,
+      String description,
+      dynamic posts});
+}
+
+/// @nodoc
+class __$$SnPostCategoryImplCopyWithImpl<$Res>
+    extends _$SnPostCategoryCopyWithImpl<$Res, _$SnPostCategoryImpl>
+    implements _$$SnPostCategoryImplCopyWith<$Res> {
+  __$$SnPostCategoryImplCopyWithImpl(
+      _$SnPostCategoryImpl _value, $Res Function(_$SnPostCategoryImpl) _then)
+      : super(_value, _then);
+
+  /// Create a copy of SnPostCategory
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? id = null,
+    Object? createdAt = null,
+    Object? updatedAt = null,
+    Object? deletedAt = freezed,
+    Object? alias = null,
+    Object? name = null,
+    Object? description = null,
+    Object? posts = freezed,
+  }) {
+    return _then(_$SnPostCategoryImpl(
+      id: null == id
+          ? _value.id
+          : id // ignore: cast_nullable_to_non_nullable
+              as int,
+      createdAt: null == createdAt
+          ? _value.createdAt
+          : createdAt // ignore: cast_nullable_to_non_nullable
+              as DateTime,
+      updatedAt: null == updatedAt
+          ? _value.updatedAt
+          : updatedAt // ignore: cast_nullable_to_non_nullable
+              as DateTime,
+      deletedAt: freezed == deletedAt
+          ? _value.deletedAt
+          : deletedAt // ignore: cast_nullable_to_non_nullable
+              as dynamic,
+      alias: null == alias
+          ? _value.alias
+          : alias // ignore: cast_nullable_to_non_nullable
+              as String,
+      name: null == name
+          ? _value.name
+          : name // ignore: cast_nullable_to_non_nullable
+              as String,
+      description: null == description
+          ? _value.description
+          : description // ignore: cast_nullable_to_non_nullable
+              as String,
+      posts: freezed == posts
+          ? _value.posts
+          : posts // ignore: cast_nullable_to_non_nullable
+              as dynamic,
+    ));
+  }
+}
+
+/// @nodoc
+@JsonSerializable()
+class _$SnPostCategoryImpl implements _SnPostCategory {
+  const _$SnPostCategoryImpl(
+      {required this.id,
+      required this.createdAt,
+      required this.updatedAt,
+      required this.deletedAt,
+      required this.alias,
+      required this.name,
+      required this.description,
+      required this.posts});
+
+  factory _$SnPostCategoryImpl.fromJson(Map<String, dynamic> json) =>
+      _$$SnPostCategoryImplFromJson(json);
+
+  @override
+  final int id;
+  @override
+  final DateTime createdAt;
+  @override
+  final DateTime updatedAt;
+  @override
+  final dynamic deletedAt;
+  @override
+  final String alias;
+  @override
+  final String name;
+  @override
+  final String description;
+  @override
+  final dynamic posts;
+
+  @override
+  String toString() {
+    return 'SnPostCategory(id: $id, createdAt: $createdAt, updatedAt: $updatedAt, deletedAt: $deletedAt, alias: $alias, name: $name, description: $description, posts: $posts)';
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return identical(this, other) ||
+        (other.runtimeType == runtimeType &&
+            other is _$SnPostCategoryImpl &&
+            (identical(other.id, id) || other.id == id) &&
+            (identical(other.createdAt, createdAt) ||
+                other.createdAt == createdAt) &&
+            (identical(other.updatedAt, updatedAt) ||
+                other.updatedAt == updatedAt) &&
+            const DeepCollectionEquality().equals(other.deletedAt, deletedAt) &&
+            (identical(other.alias, alias) || other.alias == alias) &&
+            (identical(other.name, name) || other.name == name) &&
+            (identical(other.description, description) ||
+                other.description == description) &&
+            const DeepCollectionEquality().equals(other.posts, posts));
+  }
+
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  @override
+  int get hashCode => Object.hash(
+      runtimeType,
+      id,
+      createdAt,
+      updatedAt,
+      const DeepCollectionEquality().hash(deletedAt),
+      alias,
+      name,
+      description,
+      const DeepCollectionEquality().hash(posts));
+
+  /// Create a copy of SnPostCategory
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  @override
+  @pragma('vm:prefer-inline')
+  _$$SnPostCategoryImplCopyWith<_$SnPostCategoryImpl> get copyWith =>
+      __$$SnPostCategoryImplCopyWithImpl<_$SnPostCategoryImpl>(
+          this, _$identity);
+
+  @override
+  Map<String, dynamic> toJson() {
+    return _$$SnPostCategoryImplToJson(
+      this,
+    );
+  }
+}
+
+abstract class _SnPostCategory implements SnPostCategory {
+  const factory _SnPostCategory(
+      {required final int id,
+      required final DateTime createdAt,
+      required final DateTime updatedAt,
+      required final dynamic deletedAt,
+      required final String alias,
+      required final String name,
+      required final String description,
+      required final dynamic posts}) = _$SnPostCategoryImpl;
+
+  factory _SnPostCategory.fromJson(Map<String, dynamic> json) =
+      _$SnPostCategoryImpl.fromJson;
+
+  @override
+  int get id;
+  @override
+  DateTime get createdAt;
+  @override
+  DateTime get updatedAt;
+  @override
+  dynamic get deletedAt;
+  @override
+  String get alias;
+  @override
+  String get name;
+  @override
+  String get description;
+  @override
+  dynamic get posts;
+
+  /// Create a copy of SnPostCategory
+  /// with the given fields replaced by the non-null parameter values.
+  @override
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  _$$SnPostCategoryImplCopyWith<_$SnPostCategoryImpl> get copyWith =>
+      throw _privateConstructorUsedError;
+}
+
 SnPostPreload _$SnPostPreloadFromJson(Map<String, dynamic> json) {
   return _SnPostPreload.fromJson(json);
 }

lib/types/post.g.dart

@@ -22,7 +22,10 @@ _$SnPostImpl _$$SnPostImplFromJson(Map<String, dynamic> json) => _$SnPostImpl(
               ?.map((e) => SnPostTag.fromJson(e as Map<String, dynamic>))
               .toList() ??
           const [],
-      categories: json['categories'] as List<dynamic>? ?? const [],
+      categories: (json['categories'] as List<dynamic>?)
+              ?.map((e) => SnPostCategory.fromJson(e as Map<String, dynamic>))
+              .toList() ??
+          const [],
       replies: (json['replies'] as List<dynamic>?)
           ?.map((e) => SnPost.fromJson(e as Map<String, dynamic>))
           .toList(),
@@ -80,7 +83,7 @@ Map<String, dynamic> _$$SnPostImplToJson(_$SnPostImpl instance) =>
       'alias': instance.alias,
       'alias_prefix': instance.aliasPrefix,
       'tags': instance.tags.map((e) => e.toJson()).toList(),
-      'categories': instance.categories,
+      'categories': instance.categories.map((e) => e.toJson()).toList(),
       'replies': instance.replies?.map((e) => e.toJson()).toList(),
       'reply_id': instance.replyId,
       'repost_id': instance.repostId,
@@ -127,6 +130,31 @@ Map<String, dynamic> _$$SnPostTagImplToJson(_$SnPostTagImpl instance) =>
       'posts': instance.posts,
     };
 
+_$SnPostCategoryImpl _$$SnPostCategoryImplFromJson(Map<String, dynamic> json) =>
+    _$SnPostCategoryImpl(
+      id: (json['id'] as num).toInt(),
+      createdAt: DateTime.parse(json['created_at'] as String),
+      updatedAt: DateTime.parse(json['updated_at'] as String),
+      deletedAt: json['deleted_at'],
+      alias: json['alias'] as String,
+      name: json['name'] as String,
+      description: json['description'] as String,
+      posts: json['posts'],
+    );
+
+Map<String, dynamic> _$$SnPostCategoryImplToJson(
+        _$SnPostCategoryImpl instance) =>
+    <String, dynamic>{
+      'id': instance.id,
+      'created_at': instance.createdAt.toIso8601String(),
+      'updated_at': instance.updatedAt.toIso8601String(),
+      'deleted_at': instance.deletedAt,
+      'alias': instance.alias,
+      'name': instance.name,
+      'description': instance.description,
+      'posts': instance.posts,
+    };
+
 _$SnPostPreloadImpl _$$SnPostPreloadImplFromJson(Map<String, dynamic> json) =>
     _$SnPostPreloadImpl(
       thumbnail: json['thumbnail'] == null

lib/widgets/post/post_item.dart

@@ -179,6 +179,7 @@ class PostItem extends StatelessWidget {
                     children: [
                       if (data.visibility > 0) _PostVisibilityHint(data: data),
                       _PostTruncatedHint(data: data),
+                      if (data.tags.isNotEmpty) _PostTagsList(data: data),
                     ],
                   ).padding(horizontal: 12),
                   const Gap(8),
@@ -186,7 +187,6 @@ class PostItem extends StatelessWidget {
               ),
             ),
             Text('postArticle').tr().fontSize(13).opacity(0.75).padding(horizontal: 24, bottom: 8),
-            if (data.tags.isNotEmpty) _PostTagsList(data: data).padding(horizontal: 16, bottom: 6),
             _PostBottomAction(
               data: data,
               showComments: showComments,
@@ -966,23 +966,55 @@ class _PostTagsList extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return Wrap(
-      spacing: 4,
-      runSpacing: 4,
-      children: data.tags
-          .map(
-            (ele) => InkWell(
-              child: Text(
-                '#${ele.alias}',
-                style: TextStyle(
-                  decoration: TextDecoration.underline,
+    return Column(
+      mainAxisSize: MainAxisSize.min,
+      crossAxisAlignment: CrossAxisAlignment.start,
+      children: [
+        Wrap(
+          spacing: 4,
+          runSpacing: 4,
+          children: data.categories
+              .map(
+                (ele) => InkWell(
+                  child: Row(
+                    mainAxisSize: MainAxisSize.min,
+                    children: [
+                      const Icon(Symbols.category, size: 20),
+                      const Gap(4),
+                      Text(
+                        'postCategory${ele.alias.capitalize()}'.trExists()
+                            ? 'postCategory${ele.alias.capitalize()}'.tr()
+                            : ele.alias,
+                        style: GoogleFonts.robotoMono(),
+                      ),
+                    ],
+                  ),
+                  onTap: () {},
                 ),
-              ).fontSize(13),
-              onTap: () {},
-            ),
-          )
-          .toList(),
-    ).opacity(0.8);
+              )
+              .toList(),
+        ).opacity(0.8),
+        Wrap(
+          spacing: 4,
+          runSpacing: 4,
+          children: data.tags
+              .map(
+                (ele) => InkWell(
+                  child: Row(
+                    mainAxisSize: MainAxisSize.min,
+                    children: [
+                      const Icon(Symbols.label, size: 20),
+                      const Gap(4),
+                      Text(ele.alias, style: GoogleFonts.robotoMono()),
+                    ],
+                  ),
+                  onTap: () {},
+                ),
+              )
+              .toList(),
+        ).opacity(0.8),
+      ],
+    );
   }
 }
 
@@ -1023,6 +1055,7 @@ class _PostTruncatedHint extends StatelessWidget {
     return SingleChildScrollView(
       scrollDirection: Axis.horizontal,
       child: Row(
+        spacing: 8,
         children: [
           if (data.body['content_length'] != null)
             Row(
@@ -1035,7 +1068,7 @@ class _PostTruncatedHint extends StatelessWidget {
                   ).inSeconds}s',
                 ]),
               ],
-            ).padding(right: 8),
+            ),
           if (data.body['content_length'] != null)
             Row(
               children: [

lib/widgets/post/post_meta_editor.dart

@@ -83,167 +83,178 @@ class PostMetaEditor extends StatelessWidget {
     return ListenableBuilder(
       listenable: controller,
       builder: (context, _) {
-        return Column(
-          children: [
-            TextField(
-              controller: controller.titleController,
-              decoration: InputDecoration(
-                labelText: 'fieldPostTitle'.tr(),
-                border: UnderlineInputBorder(),
-              ),
-              onTapOutside: (_) =>
-                  FocusManager.instance.primaryFocus?.unfocus(),
-            ).padding(horizontal: 24),
-            if (controller.mode == 'articles') const Gap(4),
-            if (controller.mode == 'articles')
+        return SingleChildScrollView(
+          padding: EdgeInsets.only(bottom: MediaQuery.of(context).padding.bottom + 8),
+          child: Column(
+            children: [
               TextField(
-                controller: controller.descriptionController,
-                maxLines: null,
+                controller: controller.titleController,
                 decoration: InputDecoration(
-                  labelText: 'fieldPostDescription'.tr(),
+                  labelText: 'fieldPostTitle'.tr(),
                   border: UnderlineInputBorder(),
                 ),
                 onTapOutside: (_) =>
                     FocusManager.instance.primaryFocus?.unfocus(),
               ).padding(horizontal: 24),
-            const Gap(4),
-            PostTagsField(
-              initialTags: controller.tags,
-              labelText: 'fieldPostTags'.tr(),
-              onUpdate: (value) {
-                controller.setTags(value);
-              },
-            ).padding(horizontal: 24),
-            const Gap(4),
-            TextField(
-              controller: controller.aliasController,
-              decoration: InputDecoration(
-                labelText: 'fieldPostAlias'.tr(),
-                helperText: 'fieldPostAliasHint'.tr(),
-                helperMaxLines: 2,
-                border: UnderlineInputBorder(),
-              ),
-              onTapOutside: (_) =>
-                  FocusManager.instance.primaryFocus?.unfocus(),
-            ).padding(horizontal: 24),
-            const Gap(12),
-            ListTile(
-              contentPadding: const EdgeInsets.symmetric(horizontal: 24),
-              leading: const Icon(Symbols.visibility),
-              title: Text('postVisibility').tr(),
-              subtitle: Text('postVisibilityDescription').tr(),
-              trailing: SizedBox(
-                width: 180,
-                child: DropdownButtonHideUnderline(
-                  child: DropdownButton2<int>(
-                    isExpanded: true,
-                    items: kPostVisibilityLevel.entries
-                        .map(
-                          (entry) => DropdownMenuItem<int>(
-                            value: entry.key,
-                            child: Text(
-                              entry.value,
-                              style: const TextStyle(fontSize: 14),
-                            ).tr(),
-                          ),
-                        )
-                        .toList(),
-                    value: controller.visibility,
-                    onChanged: (int? value) {
-                      if (value != null) {
-                        controller.setVisibility(value);
-                      }
-                    },
-                    buttonStyleData: const ButtonStyleData(
-                      height: 40,
-                      padding: EdgeInsets.symmetric(
-                        horizontal: 4,
-                        vertical: 8,
+              if (controller.mode == 'articles') const Gap(4),
+              if (controller.mode == 'articles')
+                TextField(
+                  controller: controller.descriptionController,
+                  maxLines: null,
+                  decoration: InputDecoration(
+                    labelText: 'fieldPostDescription'.tr(),
+                    border: UnderlineInputBorder(),
+                  ),
+                  onTapOutside: (_) =>
+                      FocusManager.instance.primaryFocus?.unfocus(),
+                ).padding(horizontal: 24),
+              const Gap(4),
+              PostTagsField(
+                initialTags: controller.tags,
+                labelText: 'fieldPostTags'.tr(),
+                onUpdate: (value) {
+                  controller.setTags(value);
+                },
+              ).padding(horizontal: 24),
+              const Gap(4),
+              PostCategoriesField(
+                initialCategories: controller.categories,
+                labelText: 'fieldPostCategories'.tr(),
+                onUpdate: (value) {
+                  controller.setCategories(value);
+                },
+              ).padding(horizontal: 24),
+              const Gap(4),
+              TextField(
+                controller: controller.aliasController,
+                decoration: InputDecoration(
+                  labelText: 'fieldPostAlias'.tr(),
+                  helperText: 'fieldPostAliasHint'.tr(),
+                  helperMaxLines: 2,
+                  border: UnderlineInputBorder(),
+                ),
+                onTapOutside: (_) =>
+                    FocusManager.instance.primaryFocus?.unfocus(),
+              ).padding(horizontal: 24),
+              const Gap(12),
+              ListTile(
+                contentPadding: const EdgeInsets.symmetric(horizontal: 24),
+                leading: const Icon(Symbols.visibility),
+                title: Text('postVisibility').tr(),
+                subtitle: Text('postVisibilityDescription').tr(),
+                trailing: SizedBox(
+                  width: 180,
+                  child: DropdownButtonHideUnderline(
+                    child: DropdownButton2<int>(
+                      isExpanded: true,
+                      items: kPostVisibilityLevel.entries
+                          .map(
+                            (entry) => DropdownMenuItem<int>(
+                              value: entry.key,
+                              child: Text(
+                                entry.value,
+                                style: const TextStyle(fontSize: 14),
+                              ).tr(),
+                            ),
+                          )
+                          .toList(),
+                      value: controller.visibility,
+                      onChanged: (int? value) {
+                        if (value != null) {
+                          controller.setVisibility(value);
+                        }
+                      },
+                      buttonStyleData: const ButtonStyleData(
+                        height: 40,
+                        padding: EdgeInsets.symmetric(
+                          horizontal: 4,
+                          vertical: 8,
+                        ),
                       ),
+                      menuItemStyleData: const MenuItemStyleData(height: 40),
                     ),
-                    menuItemStyleData: const MenuItemStyleData(height: 40),
                   ),
                 ),
               ),
-            ),
-            if (controller.visibility == 2)
+              if (controller.visibility == 2)
+                ListTile(
+                  contentPadding: const EdgeInsets.symmetric(horizontal: 24),
+                  leading: Icon(Symbols.person),
+                  trailing: Icon(Symbols.chevron_right),
+                  title: Text('postVisibleUsers').tr(),
+                  subtitle: Text('postSelectedUsers')
+                      .plural(controller.visibleUsers.length),
+                  onTap: () {
+                    _selectVisibleUser(context);
+                  },
+                ),
+              if (controller.visibility == 3)
+                ListTile(
+                  contentPadding: const EdgeInsets.symmetric(horizontal: 24),
+                  leading: Icon(Symbols.person),
+                  trailing: Icon(Symbols.chevron_right),
+                  title: Text('postInvisibleUsers').tr(),
+                  subtitle: Text('postSelectedUsers')
+                      .plural(controller.invisibleUsers.length),
+                  onTap: () {
+                    _selectInvisibleUser(context);
+                  },
+                ),
               ListTile(
-                contentPadding: const EdgeInsets.symmetric(horizontal: 24),
-                leading: Icon(Symbols.person),
-                trailing: Icon(Symbols.chevron_right),
-                title: Text('postVisibleUsers').tr(),
-                subtitle: Text('postSelectedUsers')
-                    .plural(controller.visibleUsers.length),
+                leading: const Icon(Symbols.event_available),
+                title: Text('postPublishedAt').tr(),
+                subtitle: Text(
+                  controller.publishedAt != null
+                      ? dateFormatter.format(controller.publishedAt!)
+                      : 'unset'.tr(),
+                ),
+                trailing: controller.publishedAt != null
+                    ? IconButton(
+                        icon: const Icon(Symbols.cancel),
+                        onPressed: () {
+                          controller.setPublishedAt(null);
+                        },
+                      )
+                    : null,
+                contentPadding: const EdgeInsets.only(left: 24, right: 18),
                 onTap: () {
-                  _selectVisibleUser(context);
+                  _selectDate(
+                    context,
+                    initialDateTime: controller.publishedAt,
+                  ).then((value) {
+                    controller.setPublishedAt(value);
+                  });
                 },
               ),
-            if (controller.visibility == 3)
               ListTile(
-                contentPadding: const EdgeInsets.symmetric(horizontal: 24),
-                leading: Icon(Symbols.person),
-                trailing: Icon(Symbols.chevron_right),
-                title: Text('postInvisibleUsers').tr(),
-                subtitle: Text('postSelectedUsers')
-                    .plural(controller.invisibleUsers.length),
+                leading: const Icon(Symbols.event_busy),
+                title: Text('postPublishedUntil').tr(),
+                subtitle: Text(
+                  controller.publishedUntil != null
+                      ? dateFormatter.format(controller.publishedUntil!)
+                      : 'unset'.tr(),
+                ),
+                trailing: controller.publishedUntil != null
+                    ? IconButton(
+                        icon: const Icon(Symbols.cancel),
+                        onPressed: () {
+                          controller.setPublishedUntil(null);
+                        },
+                      )
+                    : null,
+                contentPadding: const EdgeInsets.only(left: 24, right: 18),
                 onTap: () {
-                  _selectInvisibleUser(context);
+                  _selectDate(
+                    context,
+                    initialDateTime: controller.publishedUntil,
+                  ).then((value) {
+                    controller.setPublishedUntil(value);
+                  });
                 },
               ),
-            ListTile(
-              leading: const Icon(Symbols.event_available),
-              title: Text('postPublishedAt').tr(),
-              subtitle: Text(
-                controller.publishedAt != null
-                    ? dateFormatter.format(controller.publishedAt!)
-                    : 'unset'.tr(),
-              ),
-              trailing: controller.publishedAt != null
-                  ? IconButton(
-                      icon: const Icon(Symbols.cancel),
-                      onPressed: () {
-                        controller.setPublishedAt(null);
-                      },
-                    )
-                  : null,
-              contentPadding: const EdgeInsets.only(left: 24, right: 18),
-              onTap: () {
-                _selectDate(
-                  context,
-                  initialDateTime: controller.publishedAt,
-                ).then((value) {
-                  controller.setPublishedAt(value);
-                });
-              },
-            ),
-            ListTile(
-              leading: const Icon(Symbols.event_busy),
-              title: Text('postPublishedUntil').tr(),
-              subtitle: Text(
-                controller.publishedUntil != null
-                    ? dateFormatter.format(controller.publishedUntil!)
-                    : 'unset'.tr(),
-              ),
-              trailing: controller.publishedUntil != null
-                  ? IconButton(
-                      icon: const Icon(Symbols.cancel),
-                      onPressed: () {
-                        controller.setPublishedUntil(null);
-                      },
-                    )
-                  : null,
-              contentPadding: const EdgeInsets.only(left: 24, right: 18),
-              onTap: () {
-                _selectDate(
-                  context,
-                  initialDateTime: controller.publishedUntil,
-                ).then((value) {
-                  controller.setPublishedUntil(value);
-                });
-              },
-            ),
-          ],
-        ).padding(vertical: 8);
+            ],
+          ).padding(vertical: 8),
+        );
       },
     );
   }

lib/widgets/post/post_tags_field.dart

@@ -1,9 +1,11 @@
 import 'dart:async';
 
+import 'package:easy_localization/easy_localization.dart';
 import 'package:flutter/material.dart';
 import 'package:gap/gap.dart';
 import 'package:provider/provider.dart';
 import 'package:surface/providers/sn_network.dart';
+import 'package:surface/widgets/dialog.dart';
 
 class PostTagsField extends StatefulWidget {
   final List<String>? initialTags;
@@ -21,9 +23,9 @@ class PostTagsField extends StatefulWidget {
   State<PostTagsField> createState() => _PostTagsFieldState();
 }
 
-class _PostTagsFieldState extends State<PostTagsField> {
-  static const List<String> kTagsDividers = [' ', ','];
+const List<String> kTagsDividers = [' ', ','];
 
+class _PostTagsFieldState extends State<PostTagsField> {
   late final _Debounceable<List<String>?, String> _debouncedSearch;
 
   final List<String> _currentTags = List.empty(growable: true);
@@ -100,8 +102,7 @@ class _PostTagsFieldState extends State<PostTagsField> {
                             color: Theme.of(context).colorScheme.primary,
                           ),
                           margin: const EdgeInsets.only(right: 8),
-                          padding: const EdgeInsets.symmetric(
-                              horizontal: 10.0, vertical: 4.0),
+                          padding: const EdgeInsets.symmetric(horizontal: 10.0, vertical: 4.0),
                           child: Row(
                             mainAxisAlignment: MainAxisAlignment.spaceBetween,
                             children: [
@@ -155,6 +156,155 @@ class _PostTagsFieldState extends State<PostTagsField> {
   }
 }
 
+class PostCategoriesField extends StatefulWidget {
+  final List<String>? initialCategories;
+  final String labelText;
+  final Function(List<String>) onUpdate;
+
+  const PostCategoriesField({
+    super.key,
+    this.initialCategories,
+    required this.labelText,
+    required this.onUpdate,
+  });
+
+  @override
+  State<PostCategoriesField> createState() => _PostCategoriesFieldState();
+}
+
+class _PostCategoriesFieldState extends State<PostCategoriesField> {
+  late final _Debounceable<List<String>?, String> _debouncedSearch;
+
+  final List<String> _currentCategories = List.empty(growable: true);
+
+  String? _currentSearchProbe;
+  List<String> _lastAutocompleteResult = List.empty();
+  TextEditingController? _textEditingController;
+
+  Future<List<String>?> _searchCategories(String probe) async {
+    _currentSearchProbe = probe;
+
+    final sn = context.read<SnNetworkProvider>();
+    final resp = await sn.client.get(
+      '/cgi/co/categories?take=10&probe=$_currentSearchProbe',
+    );
+
+    if (_currentSearchProbe != probe) {
+      return null;
+    }
+    _currentSearchProbe = null;
+
+    return resp.data.map((x) => x['alias']).toList().cast<String>();
+  }
+
+  @override
+  void initState() {
+    super.initState();
+    _debouncedSearch = _debounce<List<String>?, String>(_searchCategories);
+    if (widget.initialCategories != null) {
+      _currentCategories.addAll(widget.initialCategories!);
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Autocomplete<String>(
+      optionsBuilder: (TextEditingValue textEditingValue) async {
+        final result = await _debouncedSearch(textEditingValue.text);
+        if (result == null) {
+          return _lastAutocompleteResult;
+        }
+        _lastAutocompleteResult = result;
+        return result;
+      },
+      onSelected: (String value) {
+        if (value.isEmpty) return;
+        if (!_currentCategories.contains(value)) {
+          setState(() => _currentCategories.add(value));
+        }
+        _textEditingController?.clear();
+        widget.onUpdate(_currentCategories);
+      },
+      fieldViewBuilder: (context, controller, focusNode, onSubmitted) {
+        _textEditingController = controller;
+        return TextField(
+          controller: controller,
+          focusNode: focusNode,
+          decoration: InputDecoration(
+            label: Text(widget.labelText),
+            border: const UnderlineInputBorder(),
+            prefixIconConstraints: BoxConstraints(
+              maxWidth: MediaQuery.of(context).size.width * 0.75,
+            ),
+            prefixIcon: _currentCategories.isNotEmpty
+                ? SingleChildScrollView(
+                    scrollDirection: Axis.horizontal,
+                    child: Row(
+                      children: _currentCategories.map((String category) {
+                        return Container(
+                          decoration: BoxDecoration(
+                            borderRadius: const BorderRadius.all(
+                              Radius.circular(20.0),
+                            ),
+                            color: Theme.of(context).colorScheme.primary,
+                          ),
+                          margin: const EdgeInsets.only(right: 8),
+                          padding: const EdgeInsets.symmetric(horizontal: 10.0, vertical: 4.0),
+                          child: Row(
+                            mainAxisAlignment: MainAxisAlignment.spaceBetween,
+                            children: [
+                              InkWell(
+                                child: Text(
+                                  'postCategory${category.capitalize()}'.trExists()
+                                      ? 'postCategory${category.capitalize()}'.tr()
+                                      : '#$category',
+                                  style: const TextStyle(color: Colors.white),
+                                ),
+                              ),
+                              const Gap(4),
+                              InkWell(
+                                child: const Icon(
+                                  Icons.cancel,
+                                  size: 14.0,
+                                  color: Color.fromARGB(255, 233, 233, 233),
+                                ),
+                                onTap: () {
+                                  setState(() => _currentCategories.remove(category));
+                                  widget.onUpdate(_currentCategories);
+                                },
+                              )
+                            ],
+                          ),
+                        );
+                      }).toList(),
+                    ),
+                  )
+                : null,
+          ),
+          onTapOutside: (_) => FocusManager.instance.primaryFocus?.unfocus(),
+          onChanged: (value) {
+            for (final divider in kTagsDividers) {
+              if (value.endsWith(divider)) {
+                final tagValue = value.substring(0, value.length - 1);
+                if (tagValue.isEmpty) return;
+                if (!_currentCategories.contains(tagValue)) {
+                  setState(() => _currentCategories.add(tagValue));
+                }
+                controller.clear();
+                widget.onUpdate(_currentCategories);
+                break;
+              }
+            }
+          },
+          onSubmitted: (_) {
+            onSubmitted();
+          },
+        );
+      },
+    );
+  }
+}
+
 typedef _Debounceable<S, T> = Future<S?> Function(T parameter);
 
 _Debounceable<S, T> _debounce<S, T>(_Debounceable<S?, T> function) {