search users

lib/components/grid.dart

@@ -0,0 +1,36 @@
+import 'package:flutter/widgets.dart';
+
+class SliverGridViewWithFixedItemHeight extends StatelessWidget {
+  const SliverGridViewWithFixedItemHeight(
+      {required this.delegate,
+        required this.maxCrossAxisExtent,
+        required this.itemHeight,
+        super.key});
+
+  final SliverChildDelegate delegate;
+
+  final double maxCrossAxisExtent;
+
+  final double itemHeight;
+
+  @override
+  Widget build(BuildContext context) {
+    return SliverLayoutBuilder(
+        builder: ((context, constraints) => SliverGrid(
+          delegate: delegate,
+          gridDelegate: SliverGridDelegateWithMaxCrossAxisExtent(
+              maxCrossAxisExtent: maxCrossAxisExtent,
+              childAspectRatio:
+              calcChildAspectRatio(constraints.crossAxisExtent)),
+        )));
+  }
+
+  double calcChildAspectRatio(double width) {
+    var crossItems = width ~/ maxCrossAxisExtent;
+    if (width % maxCrossAxisExtent != 0) {
+      crossItems += 1;
+    }
+    final itemWidth = width / crossItems;
+    return itemWidth / itemHeight;
+  }
+}

lib/components/user_preview.dart

@@ -0,0 +1,104 @@
+import 'package:fluent_ui/fluent_ui.dart';
+import 'package:pixes/components/animated_image.dart';
+import 'package:pixes/components/color_scheme.dart';
+import 'package:pixes/foundation/app.dart';
+import 'package:pixes/foundation/image_provider.dart';
+import 'package:pixes/pages/user_info_page.dart';
+import 'package:pixes/utils/translation.dart';
+
+import '../network/network.dart';
+
+class UserPreviewWidget extends StatefulWidget {
+  const UserPreviewWidget(this.user, {super.key});
+
+  final UserPreview user;
+
+  @override
+  State<UserPreviewWidget> createState() => _UserPreviewWidgetState();
+}
+
+class _UserPreviewWidgetState extends State<UserPreviewWidget> {
+  bool isFollowing = false;
+
+  void follow() async{
+    if(isFollowing) return;
+    setState(() {
+      isFollowing = true;
+    });
+    var method = widget.user.isFollowed ? "delete" : "add";
+    var res = await Network().follow(widget.user.id.toString(), method);
+    if(res.error) {
+      if(mounted) {
+        context.showToast(message: "Network Error");
+      }
+    } else {
+      widget.user.isFollowed = !widget.user.isFollowed;
+    }
+    setState(() {
+      isFollowing = false;
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Card(
+      margin: const EdgeInsets.symmetric(vertical: 4, horizontal: 8),
+      child: Row(
+        children: [
+          SizedBox(
+            width: 64,
+            height: 64,
+            child: ClipRRect(
+              borderRadius: BorderRadius.circular(64),
+              child: ColoredBox(
+                color: ColorScheme.of(context).secondaryContainer,
+                child: AnimatedImage(
+                  image: CachedImageProvider(widget.user.avatar),
+                  fit: BoxFit.cover,
+                  filterQuality: FilterQuality.medium,
+                ),
+              ),
+            ),
+          ),
+          const SizedBox(width: 12,),
+          Expanded(
+            child: Column(
+              crossAxisAlignment: CrossAxisAlignment.start,
+              children: [
+                Text(widget.user.name, maxLines: 1, style: const TextStyle(fontSize: 16, fontWeight: FontWeight.bold)),
+                const Spacer(),
+                Row(
+                  children: [
+                    Button(
+                      onPressed: () => context.to(() => UserInfoPage(widget.user.id.toString())),
+                      child: Text("View".tl,),
+                    ),
+                    const SizedBox(width: 8,),
+                    if(isFollowing)
+                      Button(onPressed: follow, child: const SizedBox(
+                        width: 42,
+                        height: 24,
+                        child: Center(
+                          child: SizedBox.square(
+                            dimension: 18,
+                            child: ProgressRing(strokeWidth: 2,),
+                          ),
+                        ),
+                      ))
+                    else if (!widget.user.isFollowed)
+                      Button(onPressed: follow, child: Text("Follow".tl))
+                    else
+                      Button(
+                        onPressed: follow,
+                        child: Text("Unfollow".tl, style: TextStyle(color: ColorScheme.of(context).errorColor),),
+                      ),
+                  ],
+                )
+              ],
+            ).paddingVertical(8),
+          )
+        ],
+      ),
+    );
+  }
+}

lib/network/models.dart

@@ -309,3 +309,36 @@ class SearchOptions {
   DateTime? endTime;
   AgeLimit ageLimit = AgeLimit.unlimited;
 }
+
+/*
+json:
+{
+        "id": 20542044,
+        "name": "vocaloidhm01",
+        "account": "vocaloidhm01",
+        "profile_image_urls": {
+          "medium": "https://i.pximg.net/user-profile/img/2023/04/28/00/21/54/24348957_c74a61e78ddccb467417be7c37b5d463_170.jpg"
+        },
+        "is_followed": false,
+        "is_access_blocking_user": false
+}
+ */
+class UserPreview {
+  final int id;
+  final String name;
+  final String account;
+  final String avatar;
+  bool isFollowed;
+  final bool isBlocking;
+
+  UserPreview(this.id, this.name, this.account, this.avatar, this.isFollowed,
+      this.isBlocking);
+
+  UserPreview.fromJson(Map<String, dynamic> json)
+      : id = json['id'],
+        name = json['name'],
+        account = json['account'],
+        avatar = json['profile_image_urls']['medium'],
+        isFollowed = json['is_followed'],
+        isBlocking = json['is_access_blocking_user'];
+}

lib/network/network.dart

@@ -302,12 +302,12 @@ class Network {
     }
   }
 
-  Future<Res<List<User>>> searchUsers(String keyword, [String? nextUrl]) async{
+  Future<Res<List<UserPreview>>> searchUsers(String keyword, [String? nextUrl]) async{
     var path = nextUrl ?? "/v1/search/user?filter=for_android&word=${Uri.encodeComponent(keyword)}";
     var res = await apiGet(path);
     if (res.success) {
       return Res(
-          (res.data["user_previews"] as List).map((e) => User.fromJson(e)).toList(),
+          (res.data["user_previews"] as List).map((e) => UserPreview.fromJson(e["user"])).toList(),
           subData: res.data["next_url"]);
     } else {
       return Res.error(res.errorMessage);

lib/pages/search_page.dart

@@ -3,6 +3,7 @@ import 'package:flutter_staggered_grid_view/flutter_staggered_grid_view.dart';
 import 'package:pixes/appdata.dart';
 import 'package:pixes/components/loading.dart';
 import 'package:pixes/components/page_route.dart';
+import 'package:pixes/components/user_preview.dart';
 import 'package:pixes/foundation/app.dart';
 import 'package:pixes/network/network.dart';
 import 'package:pixes/pages/user_info_page.dart';
@@ -10,6 +11,7 @@ import 'package:pixes/utils/translation.dart';
 
 import '../components/animated_image.dart';
 import '../components/color_scheme.dart';
+import '../components/grid.dart';
 import '../components/illust_widget.dart';
 import '../foundation/image_provider.dart';
 
@@ -41,7 +43,7 @@ class _SearchPageState extends State<SearchPage> {
       case 1:
         // TODO: novel search
       case 2:
-        // TODO: user search
+        context.to(() => SearchUserResultPage(text));
       case 3:
         // TODO: artwork id
         throw UnimplementedError();
@@ -87,6 +89,7 @@ class _SearchPageState extends State<SearchPage> {
                     child: TextBox(
                       placeholder: searchTypes[searchType].tl,
                       onChanged: (s) => text = s,
+                      onSubmitted: (s) => search(),
                       foregroundDecoration: BoxDecoration(
                           border: Border.all(
                               color: ColorScheme.of(context)
@@ -361,20 +364,29 @@ class SearchResultPage extends StatefulWidget {
 class _SearchResultPageState extends MultiPageLoadingState<SearchResultPage, Illust> {
   @override
   Widget buildContent(BuildContext context, final List<Illust> data) {
-    return LayoutBuilder(builder: (context, constrains){
+    return CustomScrollView(
-      return MasonryGridView.builder(
+      slivers: [
-        gridDelegate: const SliverSimpleGridDelegateWithMaxCrossAxisExtent(
+        SliverToBoxAdapter(
-          maxCrossAxisExtent: 240,
+          child: Text("${"Search".tl}: ${widget.keyword}",
+            style: const TextStyle(fontSize: 22, fontWeight: FontWeight.bold),)
+              .paddingVertical(12).paddingHorizontal(16),
         ),
-        itemCount: data.length,
+        SliverMasonryGrid(
-        itemBuilder: (context, index) {
+          gridDelegate: const SliverSimpleGridDelegateWithMaxCrossAxisExtent(
-          if(index == data.length - 1){
+            maxCrossAxisExtent: 240,
-            nextPage();
+          ),
-          }
+          delegate: SliverChildBuilderDelegate(
-          return IllustWidget(data[index]);
+            (context, index) {
-        },
+              if(index == data.length - 1){
-      );
+                nextPage();
-    });
+              }
+              return IllustWidget(data[index]);
+            },
+            childCount: data.length,
+          ),
+        ).sliverPaddingHorizontal(8)
+      ],
+    );
   }
 
   String? nextUrl;
@@ -395,3 +407,55 @@ class _SearchResultPageState extends MultiPageLoadingState<SearchResultPage, Ill
   }
 }
 
+class SearchUserResultPage extends StatefulWidget {
+  const SearchUserResultPage(this.keyword, {super.key});
+
+  final String keyword;
+
+  @override
+  State<SearchUserResultPage> createState() => _SearchUserResultPageState();
+}
+
+class _SearchUserResultPageState extends MultiPageLoadingState<SearchUserResultPage, UserPreview> {
+  @override
+  Widget buildContent(BuildContext context, final List<UserPreview> data) {
+    return CustomScrollView(
+      slivers: [
+        SliverToBoxAdapter(
+          child: Text("${"Search".tl}: ${widget.keyword}",
+            style: const TextStyle(fontSize: 22, fontWeight: FontWeight.bold),)
+              .paddingVertical(12).paddingHorizontal(16),
+        ),
+        SliverGridViewWithFixedItemHeight(
+          delegate: SliverChildBuilderDelegate(
+                  (context, index) {
+                if(index == data.length - 1){
+                  nextPage();
+                }
+                return UserPreviewWidget(data[index]);
+              },
+              childCount: data.length
+          ),
+          maxCrossAxisExtent: 520,
+          itemHeight: 114,
+        ).sliverPaddingHorizontal(8)
+      ],
+    );
+  }
+
+  String? nextUrl;
+
+  @override
+  Future<Res<List<UserPreview>>> loadData(page) async{
+    if(nextUrl == "end") {
+      return Res.error("No more data");
+    }
+    var res = await Network().searchUsers(widget.keyword, nextUrl);
+    if(!res.error) {
+      nextUrl = res.subData;
+      nextUrl ??= "end";
+    }
+    return res;
+  }
+}
+