Apps now support multiple categories

lib/pages/add_app.dart

@@ -30,7 +30,7 @@ class _AddAppPageState extends State<AddAppPage> {
   AppSource? pickedSource;
   Map<String, dynamic> additionalSettings = {};
   bool additionalSettingsValid = true;
-  String? category;
+  List<String> pickedCategories = [];
 
   @override
   Widget build(BuildContext context) {
@@ -127,8 +127,8 @@ class _AddAppPageState extends State<AddAppPage> {
           if (app.additionalSettings['trackOnly'] == true) {
             app.installedVersion = app.latestVersion;
           }
-          if (category != null) {
-            app.category = category;
+          if (pickedCategories != null) {
+            app.categories = pickedCategories;
           }
           await appsProvider.saveApps([app]);
 
@@ -334,11 +334,8 @@ class _AddAppPageState extends State<AddAppPage> {
                                 ),
                                 CategoryEditorSelector(
                                     alignment: WrapAlignment.start,
-                                    singleSelect: true,
                                     onSelected: (categories) {
-                                      category = categories.isEmpty
-                                          ? null
-                                          : categories.first;
+                                      pickedCategories = categories;
                                     }),
                               ],
                             ),

lib/pages/app.dart

@@ -156,15 +156,12 @@ class _AppPageState extends State<AppPage> {
                         ),
                         CategoryEditorSelector(
                             alignment: WrapAlignment.center,
-                            singleSelect: true,
-                            preselected: app?.app.category != null
-                                ? {app!.app.category!}
+                            preselected: app?.app.categories != null
+                                ? app!.app.categories.toSet()
                                 : {},
                             onSelected: (categories) {
                               if (app != null) {
-                                app.app.category = categories.isNotEmpty
-                                    ? categories[0]
-                                    : null;
+                                app.app.categories = categories;
                                 appsProvider.saveApps([app.app]);
                               }
                             }),

lib/pages/apps.dart

@@ -102,7 +102,9 @@ class AppsPageState extends State<AppsPage> {
         }
       }
       if (filter.categoryFilter.isNotEmpty &&
-          !filter.categoryFilter.contains(app.app.category)) {
+          filter.categoryFilter
+              .intersection(app.app.categories.toSet())
+              .isEmpty) {
         return false;
       }
       return true;
@@ -224,14 +226,21 @@ class AppsPageState extends State<AppsPage> {
               String? changesUrl = SourceProvider()
                   .getSource(sortedApps[index].app.url)
                   .changeLogPageFromStandardUrl(sortedApps[index].app.url);
+              var transparent = const Color.fromARGB(0, 0, 0, 0).value;
               return Container(
                   decoration: BoxDecoration(
                       border: Border.symmetric(
                           vertical: BorderSide(
                               width: 4,
-                              color: Color(settingsProvider.categories[
-                                      sortedApps[index].app.category] ??
-                                  const Color.fromARGB(0, 0, 0, 0).value)))),
+                              color: Color(
+                                  sortedApps[index].app.categories.isNotEmpty
+                                      ? settingsProvider.categories[
+                                              sortedApps[index]
+                                                  .app
+                                                  .categories
+                                                  .first] ??
+                                          transparent
+                                      : transparent)))),
                   child: ListTile(
                     tileColor: sortedApps[index].app.pinned
                         ? Colors.grey.withOpacity(0.1)

lib/pages/settings.dart

@@ -436,7 +436,7 @@ class _CategoryEditorSelectorState extends State<CategoryEditorSelector> {
         items: [
           [
             GeneratedFormTagInput('categories',
-                label: tr('category'),
+                label: tr('categories'),
                 emptyMessage: tr('noCategories'),
                 defaultValue: storedValues,
                 alignment: widget.alignment,

lib/providers/settings_provider.dart

@@ -157,15 +157,6 @@ class SettingsProvider with ChangeNotifier {
     notifyListeners();
   }
 
-  getCategoryFormItem({String initCategory = ''}) => GeneratedFormDropdown(
-      'category',
-      label: tr('category'),
-      [
-        MapEntry('', tr('noCategory')),
-        ...categories.entries.map((e) => MapEntry(e.key, e.key)).toList()
-      ],
-      defaultValue: initCategory);
-
   String? get forcedLocale {
     var fl = prefs?.getString('forcedLocale');
     return supportedLocales

lib/providers/source_provider.dart

@@ -48,7 +48,7 @@ class App {
   late Map<String, dynamic> additionalSettings;
   late DateTime? lastUpdateCheck;
   bool pinned = false;
-  String? category;
+  List<String> categories;
   App(
       this.id,
       this.url,
@@ -61,7 +61,7 @@ class App {
       this.additionalSettings,
       this.lastUpdateCheck,
       this.pinned,
-      {this.category});
+      {this.categories = const []});
 
   @override
   String toString() {
@@ -103,6 +103,7 @@ class App {
             item.ensureType(additionalSettings[item.key]);
       }
     }
+
     return App(
         json['id'] as String,
         json['url'] as String,
@@ -123,7 +124,13 @@ class App {
             ? null
             : DateTime.fromMicrosecondsSinceEpoch(json['lastUpdateCheck']),
         json['pinned'] ?? false,
-        category: json['category']);
+        categories: json['categories'] != null
+            ? (json['categories'] as List<dynamic>)
+                .map((e) => e.toString())
+                .toList()
+            : json['category'] != null
+                ? [json['category'] as String]
+                : []);
   }
 
   Map<String, dynamic> toJson() => {
@@ -138,7 +145,7 @@ class App {
         'additionalSettings': jsonEncode(additionalSettings),
         'lastUpdateCheck': lastUpdateCheck?.microsecondsSinceEpoch,
         'pinned': pinned,
-        'category': category
+        'categories': categories
       };
 }
 
@@ -364,7 +371,7 @@ class SourceProvider {
         additionalSettings,
         DateTime.now(),
         currentApp?.pinned ?? false,
-        category: currentApp?.category);
+        categories: currentApp?.categories ?? const []);
   }
 
   // Returns errors in [results, errors] instead of throwing them