fixed bug with newly created tags

lib/API/Classes/Tag/tag_with_stats.dart

@@ -0,0 +1,20 @@
+import 'package:shlink_app/API/Classes/ShortURL/visits_summary.dart';
+
+/// Tag with stats data
+class TagWithStats {
+  /// Tag name
+  String tag;
+
+  /// Amount of short URLs using this tag
+  int shortUrlsCount;
+
+  /// visits summary for tag
+  VisitsSummary visitsSummary;
+
+  TagWithStats(this.tag, this.shortUrlsCount, this.visitsSummary);
+  
+  TagWithStats.fromJson(Map<String, dynamic> json)
+    : tag = json["tag"] as String,
+      shortUrlsCount = json["shortUrlsCount"] as int,
+      visitsSummary = VisitsSummary.fromJson(json["visitsSummary"]);
+}

lib/API/Methods/get_tags_with_stats.dart

@@ -0,0 +1,68 @@
+import 'dart:async';
+import 'dart:convert';
+import 'package:dartz/dartz.dart';
+import 'package:http/http.dart' as http;
+import 'package:shlink_app/API/Classes/Tag/tag_with_stats.dart';
+import '../server_manager.dart';
+
+/// Gets all tags
+FutureOr<Either<List<TagWithStats>, Failure>> apiGetTagsWithStats(
+    String? apiKey, String? serverUrl, String apiVersion) async {
+  var currentPage = 1;
+  var maxPages = 2;
+  List<TagWithStats> allTags = [];
+
+  Failure? error;
+
+  while (currentPage <= maxPages) {
+    final response =
+    await _getTagsWithStatsPage(currentPage, apiKey, serverUrl, apiVersion);
+    response.fold((l) {
+      allTags.addAll(l.tags);
+      maxPages = l.totalPages;
+      currentPage++;
+    }, (r) {
+      maxPages = 0;
+      error = r;
+    });
+  }
+  if (error == null) {
+    return left(allTags);
+  } else {
+    return right(error!);
+  }
+}
+
+/// Gets all tags from a specific page
+FutureOr<Either<TagsWithStatsPageResponse, Failure>> _getTagsWithStatsPage(
+    int page, String? apiKey, String? serverUrl, String apiVersion) async {
+  try {
+    final response = await http.get(
+        Uri.parse("$serverUrl/rest/v$apiVersion/tags/stats?page=$page"),
+        headers: {
+          "X-Api-Key": apiKey ?? "",
+        });
+    if (response.statusCode == 200) {
+      var jsonResponse = jsonDecode(response.body);
+      var pagesCount = jsonResponse["tags"]["pagination"]["pagesCount"] as int;
+      List<TagWithStats> tags =
+        (jsonResponse["tags"]["data"] as List<dynamic>).map((e) {
+          return TagWithStats.fromJson(e);
+        }).toList();
+      return left(TagsWithStatsPageResponse(tags, pagesCount));
+    } else {
+      try {
+        var jsonBody = jsonDecode(response.body);
+        return right(ApiFailure(
+            type: jsonBody["type"],
+            detail: jsonBody["detail"],
+            title: jsonBody["title"],
+            status: jsonBody["status"]));
+      } catch (resErr) {
+        return right(RequestFailure(response.statusCode, resErr.toString()));
+      }
+    }
+  } catch (reqErr) {
+    return right(RequestFailure(0, reqErr.toString()));
+  }
+}

lib/API/server_manager.dart

@@ -7,12 +7,14 @@ import 'package:shlink_app/API/Classes/ShlinkStats/shlink_stats.dart';
 import 'package:shlink_app/API/Classes/ShortURL/RedirectRule/redirect_rule.dart';
 import 'package:shlink_app/API/Classes/ShortURL/short_url.dart';
 import 'package:shlink_app/API/Classes/ShortURLSubmission/short_url_submission.dart';
+import 'package:shlink_app/API/Classes/Tag/tag_with_stats.dart';
 import 'package:shlink_app/API/Methods/connect.dart';
 import 'package:shlink_app/API/Methods/get_recent_short_urls.dart';
 import 'package:shlink_app/API/Methods/get_redirect_rules.dart';
 import 'package:shlink_app/API/Methods/get_server_health.dart';
 import 'package:shlink_app/API/Methods/get_shlink_stats.dart';
 import 'package:shlink_app/API/Methods/get_short_urls.dart';
+import 'package:shlink_app/API/Methods/get_tags_with_stats.dart';
 import 'package:shlink_app/API/Methods/set_redirect_rules.dart';
 import 'package:shlink_app/API/Methods/update_short_url.dart';
 
@@ -181,6 +183,11 @@ class ServerManager {
     return apiGetShortUrls(apiKey, serverUrl, apiVersion);
   }
 
+  /// Gets all tags from the server
+  FutureOr<Either<List<TagWithStats>, Failure>> getTags() async {
+    return apiGetTagsWithStats(apiKey, serverUrl, apiVersion);
+  }
+
   /// Gets statistics about the Shlink instance
   FutureOr<Either<ShlinkStats, Failure>> getShlinkStats() async {
     return apiGetShlinkStats(apiKey, serverUrl, apiVersion);
@@ -234,6 +241,14 @@ class ShortURLPageResponse {
   ShortURLPageResponse(this.urls, this.totalPages);
 }
 
+/// Server response data type about a page of tags from the server
+class TagsWithStatsPageResponse {
+  List<TagWithStats> tags;
+  int totalPages;
+
+  TagsWithStatsPageResponse(this.tags, this.totalPages);
+}
+
 /// Server response data type about the health status of the server
 class ServerHealthResponse {
   String status;

lib/global_theme.dart

@@ -18,7 +18,7 @@ class GlobalTheme {
         canvasColor: colorScheme.surface,
         scaffoldBackgroundColor: colorScheme.surface,
         highlightColor: Colors.transparent,
-        dividerColor: colorScheme.outline,
+        dividerColor: colorScheme.shadow,
         focusColor: focusColor,
         useMaterial3: true,
         appBarTheme: AppBarTheme(
@@ -38,7 +38,8 @@ class GlobalTheme {
       tertiary: Colors.grey[300],
       onTertiary: Colors.grey[700],
       surfaceContainer: (Colors.grey[100])!,
-      outline: (Colors.grey[400])!,
+      outline: (Colors.grey[500])!,
+      shadow: (Colors.grey[300])!,
       error: (Colors.red[400])!,
       onError: Colors.white,
       surface: Color(0xFFFAFBFB),
@@ -57,7 +58,8 @@ class GlobalTheme {
       onSurfaceVariant: Colors.grey[400],
       tertiary: Colors.grey[900],
       onTertiary: Colors.grey,
-      outline: (Colors.grey[800])!,
+      outline: (Colors.grey[700])!,
+      shadow: (Colors.grey[800])!,
       error: (Colors.red[400])!,
       onError: Colors.white,
       onPrimary: Colors.white,

lib/views/login_view.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:shlink_app/API/server_manager.dart';
 import 'package:shlink_app/main.dart';
+import 'package:url_launcher/url_launcher.dart';
 import '../globals.dart' as globals;
 
 class LoginView extends StatefulWidget {
@@ -58,6 +59,7 @@ class _LoginViewState extends State<LoginView> {
     return Scaffold(
         extendBody: true,
         body: CustomScrollView(
+          physics: const NeverScrollableScrollPhysics(),
           slivers: [
             const SliverAppBar.medium(
                 title: Text("Add server",
@@ -65,79 +67,107 @@ class _LoginViewState extends State<LoginView> {
             SliverFillRemaining(
                 child: Padding(
               padding: const EdgeInsets.all(16),
-              child: Column(
-                mainAxisAlignment: MainAxisAlignment.center,
-                crossAxisAlignment: CrossAxisAlignment.start,
+              child: Stack(
                 children: [
-                  const Padding(
-                      padding: EdgeInsets.only(bottom: 8),
-                      child: Text(
-                        "Server URL",
-                        style: TextStyle(fontWeight: FontWeight.bold),
-                      )),
-                  Row(
-                    children: [
-                      const Icon(Icons.dns_outlined),
-                      const SizedBox(width: 8),
-                      Expanded(
-                          child: TextField(
-                        controller: _serverUrlController,
-                        keyboardType: TextInputType.url,
-                        decoration: const InputDecoration(
-                            border: OutlineInputBorder(),
-                            labelText: "https://shlink.example.com"),
-                      ))
-                    ],
-                  ),
-                  const Padding(
-                    padding: EdgeInsets.only(top: 8, bottom: 8),
-                    child: Text("API Key",
-                        style: TextStyle(fontWeight: FontWeight.bold)),
-                  ),
-                  Row(
-                    children: [
-                      const Icon(Icons.key),
-                      const SizedBox(width: 8),
-                      Expanded(
-                          child: TextField(
-                        controller: _apiKeyController,
-                        keyboardType: TextInputType.text,
-                        obscureText: true,
-                        decoration: const InputDecoration(
-                            border: OutlineInputBorder(), labelText: "..."),
-                      ))
-                    ],
-                  ),
-                  Padding(
-                    padding: const EdgeInsets.only(top: 16),
-                    child: Row(
+                  Align(
+                    child: Column(
                       mainAxisAlignment: MainAxisAlignment.center,
+                      crossAxisAlignment: CrossAxisAlignment.start,
                       children: [
-                        FilledButton.tonal(
-                          onPressed: () => {_connect()},
-                          child: _isLoggingIn
-                              ? Container(
+                        const Padding(
+                            padding: EdgeInsets.only(bottom: 8),
+                            child: Text(
+                              "Server URL",
+                              style: TextStyle(fontWeight: FontWeight.bold),
+                            )),
+                        Row(
+                          children: [
+                            const Icon(Icons.dns_outlined),
+                            const SizedBox(width: 8),
+                            Expanded(
+                                child: TextField(
+                                  controller: _serverUrlController,
+                                  keyboardType: TextInputType.url,
+                                  decoration: const InputDecoration(
+                                      border: OutlineInputBorder(),
+                                      labelText: "https://shlink.example.com"),
+                                ))
+                          ],
+                        ),
+                        const Padding(
+                          padding: EdgeInsets.only(top: 8, bottom: 8),
+                          child: Text("API Key",
+                              style: TextStyle(fontWeight: FontWeight.bold)),
+                        ),
+                        Row(
+                          children: [
+                            const Icon(Icons.key),
+                            const SizedBox(width: 8),
+                            Expanded(
+                                child: TextField(
+                                  controller: _apiKeyController,
+                                  keyboardType: TextInputType.text,
+                                  obscureText: true,
+                                  decoration: const InputDecoration(
+                                      border: OutlineInputBorder(), labelText: "..."),
+                                ))
+                          ],
+                        ),
+                        Padding(
+                          padding: const EdgeInsets.only(top: 16),
+                          child: Row(
+                            mainAxisAlignment: MainAxisAlignment.center,
+                            children: [
+                              FilledButton.tonal(
+                                onPressed: () => {_connect()},
+                                child: _isLoggingIn
+                                    ? Container(
                                   width: 34,
                                   height: 34,
                                   padding: const EdgeInsets.all(4),
                                   child: const CircularProgressIndicator(),
                                 )
-                              : const Text("Connect",
-                                  style: TextStyle(fontSize: 20)),
-                        )
+                                    : const Text("Connect",
+                                    style: TextStyle(fontSize: 20)),
+                              )
+                            ],
+                          ),
+                        ),
+                        Padding(
+                          padding: const EdgeInsets.only(top: 16),
+                          child: Row(
+                            mainAxisAlignment: MainAxisAlignment.center,
+                            children: [
+                              Flexible(
+                                  child: Text(_errorMessage,
+                                      style: TextStyle(color: Theme.of(context).colorScheme.onError),
+                                      textAlign: TextAlign.center))
+                            ],
+                          ),
+                        ),
                       ],
                     ),
                   ),
-                  Padding(
-                    padding: const EdgeInsets.only(top: 16),
-                    child: Row(
-                      mainAxisAlignment: MainAxisAlignment.center,
-                      children: [
-                        Flexible(
-                            child: Text(_errorMessage,
-                                style: TextStyle(color: Theme.of(context).colorScheme.onError),
-                                textAlign: TextAlign.center))
-                      ],
+                  Align(
+                    alignment: Alignment.bottomCenter,
+                    child: TextButton(
+                      onPressed: () async {
+                        final Uri url = Uri.parse('https://shlink.io/documentation/api-docs/authentication/');
+                        try {
+                          if (!await launchUrl(url)) {
+                            throw Exception();
+                          }
+                        } catch (e) {
+                          final snackBar = SnackBar(
+                              content: Text("Unable to launch url. See Shlink docs for more information.",
+                                  style: TextStyle(color: Theme.of(context).colorScheme.onError)),
+                              backgroundColor: Theme.of(context).colorScheme.error,
+                              behavior: SnackBarBehavior.floating);
+                          ScaffoldMessenger.of(context).showSnackBar(
+                              snackBar);
+                        }
+                      },
+                      child: Text("How to create an API Key"),
                     ),
                   )
                 ],

lib/views/redirect_rules_detail_view.dart

@@ -93,7 +93,7 @@ class _RedirectRulesDetailViewState extends State<RedirectRulesDetailView> {
               child: isSaving
                   ? const Padding(
                       padding: EdgeInsets.all(16),
-                      child: CircularProgressIndicator(strokeWidth: 3))
+                      child: CircularProgressIndicator(strokeWidth: 3, color: Colors.white))
                   : const Icon(Icons.save))
         ],
       ),

lib/views/short_url_edit_view.dart

@@ -1,10 +1,14 @@
 import 'package:dartz/dartz.dart' as dartz;
+import 'package:dynamic_color/dynamic_color.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:shlink_app/API/Classes/ShortURL/short_url.dart';
 import 'package:shlink_app/API/Classes/ShortURLSubmission/short_url_submission.dart';
 import 'package:shlink_app/API/server_manager.dart';
 import 'package:shlink_app/util/build_api_error_snackbar.dart';
+import 'package:shlink_app/util/string_to_color.dart';
+import 'package:shlink_app/views/tag_selector_view.dart';
+import 'package:shlink_app/widgets/url_tags_list_widget.dart';
 import '../globals.dart' as globals;
 
 class ShortURLEditView extends StatefulWidget {
@@ -23,6 +27,7 @@ class _ShortURLEditViewState extends State<ShortURLEditView>
   final customSlugController = TextEditingController();
   final titleController = TextEditingController();
   final randomSlugLengthController = TextEditingController(text: "5");
+  List<String> tags = [];
 
   bool randomSlug = true;
   bool isCrawlable = true;
@@ -64,6 +69,7 @@ class _ShortURLEditViewState extends State<ShortURLEditView>
     if (widget.shortUrl != null) {
       longUrlController.text = widget.shortUrl!.longUrl;
       isCrawlable = widget.shortUrl!.crawlable;
+      tags = widget.shortUrl!.tags;
       // for some reason this attribute is not returned by the api
       forwardQuery = true;
       titleController.text = widget.shortUrl!.title ?? "";
@@ -104,7 +110,7 @@ class _ShortURLEditViewState extends State<ShortURLEditView>
   void _submitShortUrl() async {
     var newSubmission = ShortURLSubmission(
         longUrl: longUrlController.text,
-        tags: [],
+        tags: tags,
         crawlable: isCrawlable,
         forwardQuery: forwardQuery,
         findIfExists: true,
@@ -166,7 +172,7 @@ class _ShortURLEditViewState extends State<ShortURLEditView>
           ),
           SliverToBoxAdapter(
             child: Padding(
-              padding: EdgeInsets.only(top: 16, left: 8, right: 8),
+              padding: const EdgeInsets.only(top: 16, left: 8, right: 8),
               child: Wrap(
                 runSpacing: 16,
                 children: [
@@ -217,34 +223,38 @@ class _ShortURLEditViewState extends State<ShortURLEditView>
                               )),
                         ),
                       ),
-                      const SizedBox(width: 8),
-                      RotationTransition(
-                        turns: Tween(begin: 0.0, end: 3.0).animate(
-                            CurvedAnimation(
-                                parent: _customSlugDiceAnimationController,
-                                curve: Curves.easeInOutExpo)),
-                        child: IconButton(
-                            onPressed: disableSlugEditor
-                                ? null
-                                : () {
-                              if (randomSlug) {
-                                _customSlugDiceAnimationController.reverse(
-                                    from: 1);
-                              } else {
-                                _customSlugDiceAnimationController.forward(
-                                    from: 0);
-                              }
-                              setState(() {
-                                randomSlug = !randomSlug;
-                              });
-                            },
-                            icon: Icon(
-                                randomSlug ? Icons.casino : Icons.casino_outlined,
-                                color: randomSlug ? Colors.green : Colors.grey)),
-                      )
+
+                      if (widget.shortUrl == null)
+                        Container(
+                          padding: const EdgeInsets.only(left: 8),
+                          child: RotationTransition(
+                            turns: Tween(begin: 0.0, end: 3.0).animate(
+                                CurvedAnimation(
+                                    parent: _customSlugDiceAnimationController,
+                                    curve: Curves.easeInOutExpo)),
+                            child: IconButton(
+                                onPressed: disableSlugEditor
+                                    ? null
+                                    : () {
+                                  if (randomSlug) {
+                                    _customSlugDiceAnimationController.reverse(
+                                        from: 1);
+                                  } else {
+                                    _customSlugDiceAnimationController.forward(
+                                        from: 0);
+                                  }
+                                  setState(() {
+                                    randomSlug = !randomSlug;
+                                  });
+                                },
+                                icon: Icon(
+                                    randomSlug ? Icons.casino : Icons.casino_outlined,
+                                    color: randomSlug ? Colors.green : Colors.grey)),
+                          ),
+                        )
                     ],
                   ),
-                  if (randomSlug)
+                  if (randomSlug && widget.shortUrl == null)
                     Row(
                       mainAxisAlignment: MainAxisAlignment.spaceBetween,
                       children: [
@@ -280,6 +290,57 @@ class _ShortURLEditViewState extends State<ShortURLEditView>
                           ],
                         )),
                   ),
+                  GestureDetector(
+                    onTap: () async {
+                      List<String>? selectedTags = await Navigator.of(context).
+                      push(MaterialPageRoute(
+                              builder: (context) =>
+                                  TagSelectorView(alreadySelectedTags: tags)));
+                      if (selectedTags != null) {
+                        setState(() {
+                          tags = selectedTags;
+                        });
+                      }
+                    },
+                    child: InputDecorator(
+                        isEmpty: tags.isEmpty,
+                        decoration: const InputDecoration(
+                            border: OutlineInputBorder(),
+                            label: Row(
+                              children: [
+                                Icon(Icons.label_outline),
+                                SizedBox(width: 8),
+                                Text("Tags")
+                              ],
+                            )),
+                        child: Wrap(
+                          runSpacing: 8,
+                          spacing: 8,
+                          children: tags.map((tag) {
+                            var boxColor = stringToColor(tag)
+                                .harmonizeWith(Theme.of(context).colorScheme.
+                                    primary);
+                            var textColor = boxColor.computeLuminance() < 0.5
+                                ? Colors.white
+                                : Colors.black;
+                            return InputChip(
+                              label: Text(tag, style: TextStyle(
+                                color: textColor
+                              )),
+                              backgroundColor: boxColor,
+                              deleteIcon: Icon(Icons.close,
+                                  size: 18,
+                                  color: textColor),
+                              onDeleted: () {
+                                setState(() {
+                                  tags.remove(tag);
+                                });
+                              },
+                            );
+                          }).toList(),
+                        )
+                    ),
+                  ),
                   Row(
                     mainAxisAlignment: MainAxisAlignment.spaceBetween,
                     children: [
@@ -322,6 +383,7 @@ class _ShortURLEditViewState extends State<ShortURLEditView>
                       )
                     ],
                   ),
+                  const SizedBox(height: 150)
                 ],
               ),
             )
@@ -335,7 +397,8 @@ class _ShortURLEditViewState extends State<ShortURLEditView>
           child: isSaving
               ? const Padding(
                   padding: EdgeInsets.all(16),
-                  child: CircularProgressIndicator(strokeWidth: 3))
+                  child: CircularProgressIndicator(strokeWidth: 3,
+                                                    color: Colors.white))
               : const Icon(Icons.save)),
     );
   }

lib/views/tag_selector_view.dart

@@ -0,0 +1,246 @@
+import 'package:dynamic_color/dynamic_color.dart';
+import 'package:flutter/material.dart';
+import 'package:shlink_app/API/Classes/ShortURL/visits_summary.dart';
+import 'package:shlink_app/API/Classes/Tag/tag_with_stats.dart';
+import 'package:shlink_app/util/build_api_error_snackbar.dart';
+import 'package:shlink_app/util/string_to_color.dart';
+import '../globals.dart' as globals;
+
+class TagSelectorView extends StatefulWidget {
+  const TagSelectorView({super.key, this.alreadySelectedTags = const []});
+
+  final List<String> alreadySelectedTags;
+
+  @override
+  State<TagSelectorView> createState() => _TagSelectorViewState();
+}
+
+class _TagSelectorViewState extends State<TagSelectorView> {
+
+  final FocusNode searchTagFocusNode = FocusNode();
+  final searchTagController = TextEditingController();
+
+  List<TagWithStats> availableTags = [];
+  List<TagWithStats> selectedTags = [];
+  List<TagWithStats> filteredTags = [];
+
+  bool tagsLoaded = false;
+
+  @override
+  void initState() {
+    super.initState();
+    selectedTags = [];
+    searchTagController.text = "";
+    filteredTags = [];
+    searchTagFocusNode.requestFocus();
+    WidgetsBinding.instance.addPostFrameCallback((_) => loadTags());
+  }
+
+  @override
+  void dispose() {
+    searchTagFocusNode.dispose();
+    searchTagController.dispose();
+    super.dispose();
+  }
+
+  Future<void> loadTags() async {
+    final response =
+    await globals.serverManager.getTags();
+    response.fold((l) {
+
+      List<TagWithStats> mappedAlreadySelectedTags =
+        widget.alreadySelectedTags.map((e) {
+          return l.firstWhere((t) => t.tag == e, orElse: () {
+            // account for newly created tags
+            return TagWithStats(e, 0, VisitsSummary(0,0,0));
+          });
+        }).toList();
+
+      setState(() {
+        availableTags = (l + [... mappedAlreadySelectedTags]).toSet().toList();
+        selectedTags = [...mappedAlreadySelectedTags];
+        filteredTags = availableTags;
+        tagsLoaded = true;
+      });
+
+      _sortLists();
+      return true;
+    }, (r) {
+      ScaffoldMessenger.of(context).showSnackBar(
+          buildApiErrorSnackbar(r, context)
+      );
+      return false;
+    });
+  }
+
+  void _sortLists() {
+    setState(() {
+      availableTags.sort((a, b) => a.tag.compareTo(b.tag));
+      filteredTags.sort((a, b) => a.tag.compareTo(b.tag));
+    });
+  }
+
+  void _searchTextChanged(String text) {
+    if (text == "") {
+      setState(() {
+        filteredTags = availableTags;
+      });
+    } else {
+      setState(() {
+        filteredTags = availableTags.where((t) => t.tag.toLowerCase()
+            .contains(text.toLowerCase())).toList();
+      });
+    }
+    _sortLists();
+  }
+
+  void _addNewTag(String tag) {
+    bool tagExists = availableTags.where((t) => t.tag == tag).toList().isNotEmpty;
+    if (tag != "" && !tagExists) {
+      TagWithStats tagWithStats = TagWithStats(tag, 0, VisitsSummary(0, 0, 0));
+      setState(() {
+        availableTags.add(tagWithStats);
+        selectedTags.add(tagWithStats);
+        _searchTextChanged(tag);
+      });
+      _sortLists();
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: TextField(
+          controller: searchTagController,
+          focusNode: searchTagFocusNode,
+          onChanged: _searchTextChanged,
+          decoration: const InputDecoration(
+              hintText: "Start typing...",
+              border: InputBorder.none,
+              icon: Icon(Icons.label_outline),
+          ),
+        ),
+        actions: [
+          IconButton(
+            onPressed: () {
+              Navigator.pop(context, selectedTags.map((t) => t.tag).toList());
+            },
+            icon: const Icon(Icons.check),
+          )
+        ],
+      ),
+      body: CustomScrollView(
+        slivers: [
+          if (!tagsLoaded)
+            const SliverToBoxAdapter(
+              child: Center(
+                child: Padding(
+                  padding: EdgeInsets.all(16),
+                  child: CircularProgressIndicator(strokeWidth: 3),
+                ),
+              ),
+            )
+          else if (tagsLoaded && availableTags.isEmpty)
+            SliverToBoxAdapter(
+                child: Center(
+                    child: Padding(
+                        padding: const EdgeInsets.only(top: 50),
+                        child: Column(
+                          children: [
+                            const Text(
+                              "No Tags",
+                              style: TextStyle(
+                                  fontSize: 24, fontWeight: FontWeight.bold),
+                            ),
+                            Padding(
+                              padding: const EdgeInsets.only(top: 8),
+                              child: Text(
+                                'Start typing to add new tags!',
+                                style: TextStyle(
+                                    fontSize: 16, color: Theme.of(context).colorScheme.onSecondary),
+                              ),
+                            )
+                          ],
+                        ))))
+          else
+            SliverList(
+              delegate: SliverChildBuilderDelegate(
+                  (BuildContext context, int index) {
+                    bool _isSelected = selectedTags.contains(filteredTags[index]);
+                    TagWithStats _tag = filteredTags[index];
+                    return GestureDetector(
+                      onTap: () {
+                        if (_isSelected) {
+                          setState(() {
+                            selectedTags.remove(_tag);
+                          });
+                        } else {
+                          setState(() {
+                            selectedTags.add(_tag);
+                          });
+                        }
+                      },
+                      child: Container(
+                        padding: const EdgeInsets.only(left: 16, right: 16,
+                            top: 16, bottom: 16),
+                        decoration: BoxDecoration(
+                          color: _isSelected ? Theme.of(context).colorScheme.primary : null,
+                          border: Border(
+                              bottom: BorderSide(
+                                  color: Theme.of(context).dividerColor)),
+                        ),
+                        child: Row(
+                          mainAxisAlignment: MainAxisAlignment.spaceBetween,
+                          children: [
+                            Wrap(
+                              spacing: 10,
+                              crossAxisAlignment: WrapCrossAlignment.center,
+                              children: [
+                                Container(
+                                  width: 30,
+                                  height: 30,
+                                  decoration: BoxDecoration(
+                                      color: stringToColor(_tag.tag)
+                                          .harmonizeWith(Theme.of(context).colorScheme.primary),
+                                      borderRadius: BorderRadius.circular(15)
+                                  ),
+
+                                ),
+                                Text(_tag.tag)
+                              ],
+                            ),
+                            Text("${_tag.shortUrlsCount} short URL"
+                                "${_tag.shortUrlsCount == 1 ? "" : "s"}",
+                            style: TextStyle(
+                              color: Theme.of(context).colorScheme.onTertiary,
+                              fontSize: 12
+                            ),)
+                          ],
+                        )
+                      )
+                    );
+                  }, childCount: filteredTags.length
+              ),
+            ),
+          if (searchTagController.text != "" &&
+              !availableTags.contains(searchTagController.text))
+            SliverToBoxAdapter(
+              child: Padding(
+                padding: const EdgeInsets.only(top: 8, bottom: 8,
+                    left: 16, right: 16),
+                child: Center(
+                  child: TextButton(
+                    onPressed: () {
+                      _addNewTag(searchTagController.text);
+                    },
+                    child: Text('Add tag "${searchTagController.text}"'),
+                  ),
+                ),
+              ),
+            )
+        ],
+      )
+    );
+  }
+}

linux/.gitignore

@@ -1 +0,0 @@
-flutter/ephemeral

linux/CMakeLists.txt

@@ -1,139 +0,0 @@
-# Project-level configuration.
-cmake_minimum_required(VERSION 3.10)
-project(runner LANGUAGES CXX)
-
-# The name of the executable created for the application. Change this to change
-# the on-disk name of your application.
-set(BINARY_NAME "shlink_manager")
-# The unique GTK application identifier for this application. See:
-# https://wiki.gnome.org/HowDoI/ChooseApplicationID
-set(APPLICATION_ID "dev.abmgrt.shlink_manager")
-
-# Explicitly opt in to modern CMake behaviors to avoid warnings with recent
-# versions of CMake.
-cmake_policy(SET CMP0063 NEW)
-
-# Load bundled libraries from the lib/ directory relative to the binary.
-set(CMAKE_INSTALL_RPATH "$ORIGIN/lib")
-
-# Root filesystem for cross-building.
-if(FLUTTER_TARGET_PLATFORM_SYSROOT)
-  set(CMAKE_SYSROOT ${FLUTTER_TARGET_PLATFORM_SYSROOT})
-  set(CMAKE_FIND_ROOT_PATH ${CMAKE_SYSROOT})
-  set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
-  set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
-  set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
-  set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
-endif()
-
-# Define build configuration options.
-if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
-  set(CMAKE_BUILD_TYPE "Debug" CACHE
-    STRING "Flutter build mode" FORCE)
-  set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS
-    "Debug" "Profile" "Release")
-endif()
-
-# Compilation settings that should be applied to most targets.
-#
-# Be cautious about adding new options here, as plugins use this function by
-# default. In most cases, you should add new options to specific targets instead
-# of modifying this function.
-function(APPLY_STANDARD_SETTINGS TARGET)
-  target_compile_features(${TARGET} PUBLIC cxx_std_14)
-  target_compile_options(${TARGET} PRIVATE -Wall -Werror)
-  target_compile_options(${TARGET} PRIVATE "$<$<NOT:$<CONFIG:Debug>>:-O3>")
-  target_compile_definitions(${TARGET} PRIVATE "$<$<NOT:$<CONFIG:Debug>>:NDEBUG>")
-endfunction()
-
-# Flutter library and tool build rules.
-set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter")
-add_subdirectory(${FLUTTER_MANAGED_DIR})
-
-# System-level dependencies.
-find_package(PkgConfig REQUIRED)
-pkg_check_modules(GTK REQUIRED IMPORTED_TARGET gtk+-3.0)
-
-add_definitions(-DAPPLICATION_ID="${APPLICATION_ID}")
-
-# Define the application target. To change its name, change BINARY_NAME above,
-# not the value here, or `flutter run` will no longer work.
-#
-# Any new source files that you add to the application should be added here.
-add_executable(${BINARY_NAME}
-  "main.cc"
-  "my_application.cc"
-  "${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc"
-)
-
-# Apply the standard set of build settings. This can be removed for applications
-# that need different build settings.
-apply_standard_settings(${BINARY_NAME})
-
-# Add dependency libraries. Add any application-specific dependencies here.
-target_link_libraries(${BINARY_NAME} PRIVATE flutter)
-target_link_libraries(${BINARY_NAME} PRIVATE PkgConfig::GTK)
-
-# Run the Flutter tool portions of the build. This must not be removed.
-add_dependencies(${BINARY_NAME} flutter_assemble)
-
-# Only the install-generated bundle's copy of the executable will launch
-# correctly, since the resources must in the right relative locations. To avoid
-# people trying to run the unbundled copy, put it in a subdirectory instead of
-# the default top-level location.
-set_target_properties(${BINARY_NAME}
-  PROPERTIES
-  RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/intermediates_do_not_run"
-)
-
-
-# Generated plugin build rules, which manage building the plugins and adding
-# them to the application.
-include(flutter/generated_plugins.cmake)
-
-
-# === Installation ===
-# By default, "installing" just makes a relocatable bundle in the build
-# directory.
-set(BUILD_BUNDLE_DIR "${PROJECT_BINARY_DIR}/bundle")
-if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
-  set(CMAKE_INSTALL_PREFIX "${BUILD_BUNDLE_DIR}" CACHE PATH "..." FORCE)
-endif()
-
-# Start with a clean build bundle directory every time.
-install(CODE "
-  file(REMOVE_RECURSE \"${BUILD_BUNDLE_DIR}/\")
-  " COMPONENT Runtime)
-
-set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data")
-set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}/lib")
-
-install(TARGETS ${BINARY_NAME} RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}"
-  COMPONENT Runtime)
-
-install(FILES "${FLUTTER_ICU_DATA_FILE}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}"
-  COMPONENT Runtime)
-
-install(FILES "${FLUTTER_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
-  COMPONENT Runtime)
-
-foreach(bundled_library ${PLUGIN_BUNDLED_LIBRARIES})
-  install(FILES "${bundled_library}"
-    DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
-    COMPONENT Runtime)
-endforeach(bundled_library)
-
-# Fully re-copy the assets directory on each build to avoid having stale files
-# from a previous install.
-set(FLUTTER_ASSET_DIR_NAME "flutter_assets")
-install(CODE "
-  file(REMOVE_RECURSE \"${INSTALL_BUNDLE_DATA_DIR}/${FLUTTER_ASSET_DIR_NAME}\")
-  " COMPONENT Runtime)
-install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}"
-  DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime)
-
-# Install the AOT library on non-Debug builds only.
-if(NOT CMAKE_BUILD_TYPE MATCHES "Debug")
-  install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
-    COMPONENT Runtime)
-endif()

linux/flutter/CMakeLists.txt

@@ -1,88 +0,0 @@
-# This file controls Flutter-level build steps. It should not be edited.
-cmake_minimum_required(VERSION 3.10)
-
-set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral")
-
-# Configuration provided via flutter tool.
-include(${EPHEMERAL_DIR}/generated_config.cmake)
-
-# TODO: Move the rest of this into files in ephemeral. See
-# https://github.com/flutter/flutter/issues/57146.
-
-# Serves the same purpose as list(TRANSFORM ... PREPEND ...),
-# which isn't available in 3.10.
-function(list_prepend LIST_NAME PREFIX)
-    set(NEW_LIST "")
-    foreach(element ${${LIST_NAME}})
-        list(APPEND NEW_LIST "${PREFIX}${element}")
-    endforeach(element)
-    set(${LIST_NAME} "${NEW_LIST}" PARENT_SCOPE)
-endfunction()
-
-# === Flutter Library ===
-# System-level dependencies.
-find_package(PkgConfig REQUIRED)
-pkg_check_modules(GTK REQUIRED IMPORTED_TARGET gtk+-3.0)
-pkg_check_modules(GLIB REQUIRED IMPORTED_TARGET glib-2.0)
-pkg_check_modules(GIO REQUIRED IMPORTED_TARGET gio-2.0)
-
-set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/libflutter_linux_gtk.so")
-
-# Published to parent scope for install step.
-set(FLUTTER_LIBRARY ${FLUTTER_LIBRARY} PARENT_SCOPE)
-set(FLUTTER_ICU_DATA_FILE "${EPHEMERAL_DIR}/icudtl.dat" PARENT_SCOPE)
-set(PROJECT_BUILD_DIR "${PROJECT_DIR}/build/" PARENT_SCOPE)
-set(AOT_LIBRARY "${PROJECT_DIR}/build/lib/libapp.so" PARENT_SCOPE)
-
-list(APPEND FLUTTER_LIBRARY_HEADERS
-  "fl_basic_message_channel.h"
-  "fl_binary_codec.h"
-  "fl_binary_messenger.h"
-  "fl_dart_project.h"
-  "fl_engine.h"
-  "fl_json_message_codec.h"
-  "fl_json_method_codec.h"
-  "fl_message_codec.h"
-  "fl_method_call.h"
-  "fl_method_channel.h"
-  "fl_method_codec.h"
-  "fl_method_response.h"
-  "fl_plugin_registrar.h"
-  "fl_plugin_registry.h"
-  "fl_standard_message_codec.h"
-  "fl_standard_method_codec.h"
-  "fl_string_codec.h"
-  "fl_value.h"
-  "fl_view.h"
-  "flutter_linux.h"
-)
-list_prepend(FLUTTER_LIBRARY_HEADERS "${EPHEMERAL_DIR}/flutter_linux/")
-add_library(flutter INTERFACE)
-target_include_directories(flutter INTERFACE
-  "${EPHEMERAL_DIR}"
-)
-target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}")
-target_link_libraries(flutter INTERFACE
-  PkgConfig::GTK
-  PkgConfig::GLIB
-  PkgConfig::GIO
-)
-add_dependencies(flutter flutter_assemble)
-
-# === Flutter tool backend ===
-# _phony_ is a non-existent file to force this command to run every time,
-# since currently there's no way to get a full input/output list from the
-# flutter tool.
-add_custom_command(
-  OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS}
-    ${CMAKE_CURRENT_BINARY_DIR}/_phony_
-  COMMAND ${CMAKE_COMMAND} -E env
-    ${FLUTTER_TOOL_ENVIRONMENT}
-    "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.sh"
-      ${FLUTTER_TARGET_PLATFORM} ${CMAKE_BUILD_TYPE}
-  VERBATIM
-)
-add_custom_target(flutter_assemble DEPENDS
-  "${FLUTTER_LIBRARY}"
-  ${FLUTTER_LIBRARY_HEADERS}
-)

linux/flutter/generated_plugin_registrant.cc

@@ -1,23 +0,0 @@
-//
-//  Generated file. Do not edit.
-//
-
-// clang-format off
-
-#include "generated_plugin_registrant.h"
-
-#include <dynamic_color/dynamic_color_plugin.h>
-#include <flutter_secure_storage_linux/flutter_secure_storage_linux_plugin.h>
-#include <url_launcher_linux/url_launcher_plugin.h>
-
-void fl_register_plugins(FlPluginRegistry* registry) {
-  g_autoptr(FlPluginRegistrar) dynamic_color_registrar =
-      fl_plugin_registry_get_registrar_for_plugin(registry, "DynamicColorPlugin");
-  dynamic_color_plugin_register_with_registrar(dynamic_color_registrar);
-  g_autoptr(FlPluginRegistrar) flutter_secure_storage_linux_registrar =
-      fl_plugin_registry_get_registrar_for_plugin(registry, "FlutterSecureStorageLinuxPlugin");
-  flutter_secure_storage_linux_plugin_register_with_registrar(flutter_secure_storage_linux_registrar);
-  g_autoptr(FlPluginRegistrar) url_launcher_linux_registrar =
-      fl_plugin_registry_get_registrar_for_plugin(registry, "UrlLauncherPlugin");
-  url_launcher_plugin_register_with_registrar(url_launcher_linux_registrar);
-}

linux/flutter/generated_plugin_registrant.h

@@ -1,15 +0,0 @@
-//
-//  Generated file. Do not edit.
-//
-
-// clang-format off
-
-#ifndef GENERATED_PLUGIN_REGISTRANT_
-#define GENERATED_PLUGIN_REGISTRANT_
-
-#include <flutter_linux/flutter_linux.h>
-
-// Registers Flutter plugins.
-void fl_register_plugins(FlPluginRegistry* registry);
-
-#endif  // GENERATED_PLUGIN_REGISTRANT_

linux/flutter/generated_plugins.cmake

@@ -1,26 +0,0 @@
-#
-# Generated file, do not edit.
-#
-
-list(APPEND FLUTTER_PLUGIN_LIST
-  dynamic_color
-  flutter_secure_storage_linux
-  url_launcher_linux
-)
-
-list(APPEND FLUTTER_FFI_PLUGIN_LIST
-)
-
-set(PLUGIN_BUNDLED_LIBRARIES)
-
-foreach(plugin ${FLUTTER_PLUGIN_LIST})
-  add_subdirectory(flutter/ephemeral/.plugin_symlinks/${plugin}/linux plugins/${plugin})
-  target_link_libraries(${BINARY_NAME} PRIVATE ${plugin}_plugin)
-  list(APPEND PLUGIN_BUNDLED_LIBRARIES $<TARGET_FILE:${plugin}_plugin>)
-  list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${plugin}_bundled_libraries})
-endforeach(plugin)
-
-foreach(ffi_plugin ${FLUTTER_FFI_PLUGIN_LIST})
-  add_subdirectory(flutter/ephemeral/.plugin_symlinks/${ffi_plugin}/linux plugins/${ffi_plugin})
-  list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${ffi_plugin}_bundled_libraries})
-endforeach(ffi_plugin)

linux/main.cc

@@ -1,6 +0,0 @@
-#include "my_application.h"
-
-int main(int argc, char** argv) {
-  g_autoptr(MyApplication) app = my_application_new();
-  return g_application_run(G_APPLICATION(app), argc, argv);
-}

linux/my_application.cc

@@ -1,104 +0,0 @@
-#include "my_application.h"
-
-#include <flutter_linux/flutter_linux.h>
-#ifdef GDK_WINDOWING_X11
-#include <gdk/gdkx.h>
-#endif
-
-#include "flutter/generated_plugin_registrant.h"
-
-struct _MyApplication {
-  GtkApplication parent_instance;
-  char** dart_entrypoint_arguments;
-};
-
-G_DEFINE_TYPE(MyApplication, my_application, GTK_TYPE_APPLICATION)
-
-// Implements GApplication::activate.
-static void my_application_activate(GApplication* application) {
-  MyApplication* self = MY_APPLICATION(application);
-  GtkWindow* window =
-      GTK_WINDOW(gtk_application_window_new(GTK_APPLICATION(application)));
-
-  // Use a header bar when running in GNOME as this is the common style used
-  // by applications and is the setup most users will be using (e.g. Ubuntu
-  // desktop).
-  // If running on X and not using GNOME then just use a traditional title bar
-  // in case the window manager does more exotic layout, e.g. tiling.
-  // If running on Wayland assume the header bar will work (may need changing
-  // if future cases occur).
-  gboolean use_header_bar = TRUE;
-#ifdef GDK_WINDOWING_X11
-  GdkScreen* screen = gtk_window_get_screen(window);
-  if (GDK_IS_X11_SCREEN(screen)) {
-    const gchar* wm_name = gdk_x11_screen_get_window_manager_name(screen);
-    if (g_strcmp0(wm_name, "GNOME Shell") != 0) {
-      use_header_bar = FALSE;
-    }
-  }
-#endif
-  if (use_header_bar) {
-    GtkHeaderBar* header_bar = GTK_HEADER_BAR(gtk_header_bar_new());
-    gtk_widget_show(GTK_WIDGET(header_bar));
-    gtk_header_bar_set_title(header_bar, "shlink_manager");
-    gtk_header_bar_set_show_close_button(header_bar, TRUE);
-    gtk_window_set_titlebar(window, GTK_WIDGET(header_bar));
-  } else {
-    gtk_window_set_title(window, "shlink_manager");
-  }
-
-  gtk_window_set_default_size(window, 1280, 720);
-  gtk_widget_show(GTK_WIDGET(window));
-
-  g_autoptr(FlDartProject) project = fl_dart_project_new();
-  fl_dart_project_set_dart_entrypoint_arguments(project, self->dart_entrypoint_arguments);
-
-  FlView* view = fl_view_new(project);
-  gtk_widget_show(GTK_WIDGET(view));
-  gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(view));
-
-  fl_register_plugins(FL_PLUGIN_REGISTRY(view));
-
-  gtk_widget_grab_focus(GTK_WIDGET(view));
-}
-
-// Implements GApplication::local_command_line.
-static gboolean my_application_local_command_line(GApplication* application, gchar*** arguments, int* exit_status) {
-  MyApplication* self = MY_APPLICATION(application);
-  // Strip out the first argument as it is the binary name.
-  self->dart_entrypoint_arguments = g_strdupv(*arguments + 1);
-
-  g_autoptr(GError) error = nullptr;
-  if (!g_application_register(application, nullptr, &error)) {
-     g_warning("Failed to register: %s", error->message);
-     *exit_status = 1;
-     return TRUE;
-  }
-
-  g_application_activate(application);
-  *exit_status = 0;
-
-  return TRUE;
-}
-
-// Implements GObject::dispose.
-static void my_application_dispose(GObject* object) {
-  MyApplication* self = MY_APPLICATION(object);
-  g_clear_pointer(&self->dart_entrypoint_arguments, g_strfreev);
-  G_OBJECT_CLASS(my_application_parent_class)->dispose(object);
-}
-
-static void my_application_class_init(MyApplicationClass* klass) {
-  G_APPLICATION_CLASS(klass)->activate = my_application_activate;
-  G_APPLICATION_CLASS(klass)->local_command_line = my_application_local_command_line;
-  G_OBJECT_CLASS(klass)->dispose = my_application_dispose;
-}
-
-static void my_application_init(MyApplication* self) {}
-
-MyApplication* my_application_new() {
-  return MY_APPLICATION(g_object_new(my_application_get_type(),
-                                     "application-id", APPLICATION_ID,
-                                     "flags", G_APPLICATION_NON_UNIQUE,
-                                     nullptr));
-}

linux/my_application.h

@@ -1,18 +0,0 @@
-#ifndef FLUTTER_MY_APPLICATION_H_
-#define FLUTTER_MY_APPLICATION_H_
-
-#include <gtk/gtk.h>
-
-G_DECLARE_FINAL_TYPE(MyApplication, my_application, MY, APPLICATION,
-                     GtkApplication)
-
-/**
- * my_application_new:
- *
- * Creates a new Flutter-based application.
- *
- * Returns: a new #MyApplication.
- */
-MyApplication* my_application_new();
-
-#endif  // FLUTTER_MY_APPLICATION_H_