feat: Enhance admin user management with search, filtering, and sorting capabilities

flutter/lib/features/admin/presentation/admin_database_panel.dart

@@ -104,7 +104,7 @@ class _AdminDatabasePanelState extends ConsumerState<AdminDatabasePanel> {
           ),
         ),
         const SizedBox(height: 12),
-        child,
+        Expanded(child: child),
       ],
     );
   }
@@ -124,6 +124,18 @@ class _AdminDatabasePanelState extends ConsumerState<AdminDatabasePanel> {
       };
     }
 
+    String tabSummary(_DatabaseTab tab) {
+      return switch (tab) {
+        _DatabaseTab.inventory => 'Användarnas inventory med filtrering, redigering, merge och flytt till baslager.',
+        _DatabaseTab.pantry => 'Användarnas baslager med flytt till inventarie och borttagning av poster.',
+        _DatabaseTab.products => 'Global produktkatalog med kategorisering, merge, återställning och AI-stöd.',
+        _DatabaseTab.privateProducts => 'Privata produkter som kan promoveras till global produktkatalog.',
+        _DatabaseTab.pending => 'Nya produkter som väntar på godkännande eller avslag.',
+        _DatabaseTab.aliases => 'Globala receipt-alias för fallback-matchning i importen.',
+        _DatabaseTab.ai => 'Översikt av AI-modeller, accessnivåer och triggers i systemet.',
+      };
+    }
+
     Widget activeSection;
     switch (_activeTab) {
       case _DatabaseTab.inventory:
@@ -187,14 +199,26 @@ class _AdminDatabasePanelState extends ConsumerState<AdminDatabasePanel> {
                     style: theme.textTheme.bodyMedium,
                   ),
                   const SizedBox(height: 8),
-                  const Wrap(
+                  Wrap(
                     spacing: 8,
                     runSpacing: 8,
                     children: [
-                      Chip(label: Text('User-scope')),
+                      ActionChip(
-                      Chip(label: Text('Global scope')),
+                        label: const Text('User-scope'),
-                      Chip(label: Text('Private products')),
+                        onPressed: () => setState(() => _activeTab = _DatabaseTab.inventory),
-                      Chip(label: Text('Alias')),
+                      ),
+                      ActionChip(
+                        label: const Text('Global scope'),
+                        onPressed: () => setState(() => _activeTab = _DatabaseTab.products),
+                      ),
+                      ActionChip(
+                        label: const Text('Private products'),
+                        onPressed: () => setState(() => _activeTab = _DatabaseTab.privateProducts),
+                      ),
+                      ActionChip(
+                        label: const Text('Alias'),
+                        onPressed: () => setState(() => _activeTab = _DatabaseTab.aliases),
+                      ),
                     ],
                   ),
                 ],
@@ -231,6 +255,8 @@ class _AdminDatabasePanelState extends ConsumerState<AdminDatabasePanel> {
             ),
           ),
           const SizedBox(height: 12),
+          Text('Välj område att arbeta med', style: theme.textTheme.labelLarge),
+          const SizedBox(height: 8),
           SingleChildScrollView(
             scrollDirection: Axis.horizontal,
             child: Row(
@@ -248,6 +274,15 @@ class _AdminDatabasePanelState extends ConsumerState<AdminDatabasePanel> {
                   .toList(),
             ),
           ),
+          const SizedBox(height: 8),
+          Card(
+            child: ListTile(
+              leading: const Icon(Icons.tune),
+              title: Text('Aktiv panel: ${tabLabel(_activeTab)}'),
+              subtitle: Text(tabSummary(_activeTab)),
+              dense: true,
+            ),
+          ),
         ],
       ),
     );

flutter/lib/features/admin/presentation/admin_screen.dart

@@ -34,13 +34,22 @@ class _AdminScreenState extends ConsumerState<AdminScreen> {
                       style: theme.textTheme.bodyMedium,
                     ),
                     const SizedBox(height: 8),
-                    const Wrap(
+                    Wrap(
                       spacing: 8,
                       runSpacing: 8,
                       children: [
-                        Chip(label: Text('Konton')),
+                        ActionChip(
-                        Chip(label: Text('Databas')),
+                          label: const Text('Konton'),
-                        Chip(label: Text('Privat + globalt')),
+                          onPressed: () => DefaultTabController.of(context).animateTo(0),
+                        ),
+                        ActionChip(
+                          label: const Text('Databas'),
+                          onPressed: () => DefaultTabController.of(context).animateTo(1),
+                        ),
+                        ActionChip(
+                          label: const Text('Privat + globalt'),
+                          onPressed: () => DefaultTabController.of(context).animateTo(1),
+                        ),
                       ],
                     ),
                   ],

flutter/lib/features/admin/presentation/admin_users_panel.dart

@@ -7,6 +7,8 @@ import '../../../core/l10n/l10n.dart';
 import '../data/admin_repository.dart';
 import '../domain/user_admin.dart';
 
+enum _UserSort { newest, usernameAsc, usernameDesc, roleAdminFirst }
+
 class AdminUsersPanel extends ConsumerStatefulWidget {
   final bool embedded;
 
@@ -19,14 +21,65 @@ class AdminUsersPanel extends ConsumerStatefulWidget {
 class _AdminUsersPanelState extends ConsumerState<AdminUsersPanel> {
   bool _isLoading = true;
   String? _error;
+  String _search = '';
+  late final TextEditingController _searchCtrl;
+  _UserSort _sort = _UserSort.newest;
+  bool _filterAdminOnly = false;
+  bool _filterPremiumOnly = false;
+  bool _filterSharingOffOnly = false;
   List<UserAdmin> _users = [];
 
+  String _sortLabel(_UserSort sort) => switch (sort) {
+    _UserSort.newest => 'Nyast',
+    _UserSort.usernameAsc => 'Användarnamn A-Ö',
+    _UserSort.usernameDesc => 'Användarnamn Ö-A',
+    _UserSort.roleAdminFirst => 'Admin först',
+  };
+
+  List<UserAdmin> get _visibleUsers {
+    final query = _search.trim().toLowerCase();
+    final filtered = _users.where((user) {
+      if (_filterAdminOnly && !user.isAdmin) return false;
+      if (_filterPremiumOnly && !user.isPremium) return false;
+      if (_filterSharingOffOnly && user.canShareRecipes) return false;
+      if (query.isEmpty) return true;
+      return user.username.toLowerCase().contains(query) ||
+          user.displayName.toLowerCase().contains(query) ||
+          user.email.toLowerCase().contains(query) ||
+          user.id.toString().contains(query);
+    }).toList();
+
+    filtered.sort((a, b) {
+      switch (_sort) {
+        case _UserSort.newest:
+          return b.id.compareTo(a.id);
+        case _UserSort.usernameAsc:
+          return a.username.toLowerCase().compareTo(b.username.toLowerCase());
+        case _UserSort.usernameDesc:
+          return b.username.toLowerCase().compareTo(a.username.toLowerCase());
+        case _UserSort.roleAdminFirst:
+          if (a.isAdmin == b.isAdmin) {
+            return a.username.toLowerCase().compareTo(b.username.toLowerCase());
+          }
+          return a.isAdmin ? -1 : 1;
+      }
+    });
+    return filtered;
+  }
+
   @override
   void initState() {
     super.initState();
+    _searchCtrl = TextEditingController();
     _load();
   }
 
+  @override
+  void dispose() {
+    _searchCtrl.dispose();
+    super.dispose();
+  }
+
   Future<void> _load() async {
     setState(() {
       _isLoading = true;
@@ -292,6 +345,22 @@ class _AdminUsersPanelState extends ConsumerState<AdminUsersPanel> {
   @override
   Widget build(BuildContext context) {
     final theme = Theme.of(context);
+    final activeFilters = <String>[
+      if (_filterAdminOnly) 'Endast admin',
+      if (_filterPremiumOnly) 'Endast premium',
+      if (_filterSharingOffOnly) 'Delning avstängd',
+    ];
+
+    final searchSummary = _search.trim().isEmpty
+        ? 'Ingen aktiv sökning'
+        : 'Sökning: "${_search.trim()}"';
+
+    final filterSummary = activeFilters.isEmpty
+        ? 'Inga aktiva snabbfilter'
+        : 'Aktiva filter: ${activeFilters.join(', ')}';
+
+    final viewSummary = 'Sortering: ${_sortLabel(_sort)} • $searchSummary • $filterSummary';
+
     if (_isLoading) {
       return const Center(child: CircularProgressIndicator());
     }
@@ -303,6 +372,8 @@ class _AdminUsersPanelState extends ConsumerState<AdminUsersPanel> {
         title: 'Kunde inte läsa användare',
       );
     }
+    final visibleUsers = _visibleUsers;
+
     if (_users.isEmpty) {
       return Column(
         crossAxisAlignment: CrossAxisAlignment.start,
@@ -344,19 +415,19 @@ class _AdminUsersPanelState extends ConsumerState<AdminUsersPanel> {
 
     final list = ListView.builder(
       shrinkWrap: false,
-      physics: null,
+      physics: const AlwaysScrollableScrollPhysics(),
       padding: widget.embedded
           ? EdgeInsets.zero
           : const EdgeInsets.fromLTRB(16, 8, 16, 80),
-      itemCount: _users.length,
+      itemCount: visibleUsers.length,
       itemBuilder: (ctx, i) => _UserTile(
-        user: _users[i],
+        user: visibleUsers[i],
-        onChangeRole: () => _changeRole(_users[i]),
+        onChangeRole: () => _changeRole(visibleUsers[i]),
-        onTogglePremium: () => _togglePremium(_users[i]),
+        onTogglePremium: () => _togglePremium(visibleUsers[i]),
-        onToggleRecipeSharing: () => _toggleRecipeSharing(_users[i]),
+        onToggleRecipeSharing: () => _toggleRecipeSharing(visibleUsers[i]),
-        onEditEmail: () => _editEmail(_users[i]),
+        onEditEmail: () => _editEmail(visibleUsers[i]),
-        onResetPassword: () => _resetPassword(_users[i]),
+        onResetPassword: () => _resetPassword(visibleUsers[i]),
-        onDelete: () => _deleteUser(_users[i]),
+        onDelete: () => _deleteUser(visibleUsers[i]),
       ),
     );
 
@@ -364,7 +435,7 @@ class _AdminUsersPanelState extends ConsumerState<AdminUsersPanel> {
       return list;
     }
 
-    return SingleChildScrollView(
+    return Padding(
       padding: const EdgeInsets.all(12),
       child: Column(
         crossAxisAlignment: CrossAxisAlignment.start,
@@ -396,9 +467,79 @@ class _AdminUsersPanelState extends ConsumerState<AdminUsersPanel> {
             ),
           ),
           const SizedBox(height: 12),
+          Wrap(
+            spacing: 8,
+            runSpacing: 8,
+            children: [
+              FilterChip(
+                label: const Text('Endast admin'),
+                selected: _filterAdminOnly,
+                onSelected: (value) => setState(() => _filterAdminOnly = value),
+              ),
+              FilterChip(
+                label: const Text('Endast premium'),
+                selected: _filterPremiumOnly,
+                onSelected: (value) => setState(() => _filterPremiumOnly = value),
+              ),
+              FilterChip(
+                label: const Text('Delning avstängd'),
+                selected: _filterSharingOffOnly,
+                onSelected: (value) => setState(() => _filterSharingOffOnly = value),
+              ),
+              if (_filterAdminOnly || _filterPremiumOnly || _filterSharingOffOnly)
+                TextButton.icon(
+                  onPressed: () {
+                    setState(() {
+                      _filterAdminOnly = false;
+                      _filterPremiumOnly = false;
+                      _filterSharingOffOnly = false;
+                    });
+                  },
+                  icon: const Icon(Icons.clear_all),
+                  label: const Text('Rensa filter'),
+                ),
+            ],
+          ),
+          const SizedBox(height: 8),
           Row(
             children: [
-              const Spacer(),
+              SizedBox(
+                width: 260,
+                child: DropdownButtonFormField<_UserSort>(
+                  initialValue: _sort,
+                  decoration: const InputDecoration(
+                    labelText: 'Sortering',
+                    border: OutlineInputBorder(),
+                    isDense: true,
+                  ),
+                  items: _UserSort.values
+                      .map(
+                        (value) => DropdownMenuItem<_UserSort>(
+                          value: value,
+                          child: Text(_sortLabel(value)),
+                        ),
+                      )
+                      .toList(),
+                  onChanged: (value) {
+                    if (value == null) return;
+                    setState(() => _sort = value);
+                  },
+                ),
+              ),
+              const SizedBox(width: 8),
+              Expanded(
+                child: TextField(
+                  controller: _searchCtrl,
+                  decoration: const InputDecoration(
+                    border: OutlineInputBorder(),
+                    isDense: true,
+                    prefixIcon: Icon(Icons.search),
+                    hintText: 'Sök användare, e-post eller id',
+                  ),
+                  onChanged: (value) => setState(() => _search = value),
+                ),
+              ),
+              const SizedBox(width: 8),
               IconButton(
                 icon: const Icon(Icons.refresh),
                 tooltip: 'Uppdatera',
@@ -407,13 +548,84 @@ class _AdminUsersPanelState extends ConsumerState<AdminUsersPanel> {
             ],
           ),
           const SizedBox(height: 8),
+          Card(
+            child: Padding(
+              padding: const EdgeInsets.all(12),
+              child: Column(
+                crossAxisAlignment: CrossAxisAlignment.start,
+                children: [
+                  ListTile(
+                    contentPadding: EdgeInsets.zero,
+                    leading: const Icon(Icons.tune),
+                    title: const Text('Aktiv vy: Användare'),
+                    subtitle: Text(viewSummary),
+                    dense: true,
+                  ),
+                  const SizedBox(height: 8),
+                  Wrap(
+                    spacing: 8,
+                    runSpacing: 8,
+                    children: [
+                      if (_search.trim().isNotEmpty)
+                        OutlinedButton.icon(
+                          onPressed: () {
+                            _searchCtrl.clear();
+                            setState(() => _search = '');
+                          },
+                          icon: const Icon(Icons.search_off),
+                          label: const Text('Rensa sök'),
+                        ),
+                      if (_filterAdminOnly || _filterPremiumOnly || _filterSharingOffOnly)
+                        OutlinedButton.icon(
+                          onPressed: () {
+                            setState(() {
+                              _filterAdminOnly = false;
+                              _filterPremiumOnly = false;
+                              _filterSharingOffOnly = false;
+                            });
+                          },
+                          icon: const Icon(Icons.filter_alt_off),
+                          label: const Text('Rensa filter'),
+                        ),
+                      if (_sort != _UserSort.newest)
+                        OutlinedButton.icon(
+                          onPressed: () => setState(() => _sort = _UserSort.newest),
+                          icon: const Icon(Icons.sort),
+                          label: const Text('Återställ sortering'),
+                        ),
+                      TextButton.icon(
+                        onPressed: () {
+                          _searchCtrl.clear();
+                          setState(() {
+                            _search = '';
+                            _sort = _UserSort.newest;
+                            _filterAdminOnly = false;
+                            _filterPremiumOnly = false;
+                            _filterSharingOffOnly = false;
+                          });
+                        },
+                        icon: const Icon(Icons.refresh),
+                        label: const Text('Återställ vy'),
+                      ),
+                    ],
+                  ),
+                ],
+              ),
+            ),
+          ),
+          const SizedBox(height: 8),
+          Text(
+            'Visar ${visibleUsers.length} av ${_users.length} användare',
+            style: theme.textTheme.bodySmall,
+          ),
+          const SizedBox(height: 8),
           FilledButton.icon(
             onPressed: _createUser,
             icon: const Icon(Icons.person_add_outlined),
             label: Text(context.l10n.adminNewUser),
           ),
           const SizedBox(height: 16),
-          list,
+          Expanded(child: list),
         ],
       ),
     );