v1.3.0+56

lib/utils/customsearchdelegate.dart

@@ -0,0 +1,185 @@
+import 'dart:async';
+import 'dart:convert';
+
+import 'package:f0ckapp/controller/media_controller.dart';
+import 'package:flutter/material.dart';
+
+import 'package:get/get.dart';
+import 'package:http/http.dart' as http;
+
+import 'package:f0ckapp/models/suggestion_model.dart';
+
+class CustomSearchDelegate extends SearchDelegate<String> {
+  final MediaController controller = Get.find<MediaController>();
+  Timer? _debounceTimer;
+  List<Suggestion>? _suggestions;
+  bool _isLoading = false;
+  String? _error;
+  String _lastFetchedQuery = "";
+
+  @override
+  List<Widget> buildActions(BuildContext context) {
+    return [
+      IconButton(
+        icon: const Icon(Icons.clear),
+        onPressed: () {
+          query = '';
+          _clearResults();
+          showSuggestions(context);
+        },
+      ),
+    ];
+  }
+
+  @override
+  Widget buildLeading(BuildContext context) {
+    return IconButton(
+      icon: const Icon(Icons.arrow_back),
+      onPressed: () {
+        _debounceTimer?.cancel();
+        close(context, 'null');
+      },
+    );
+  }
+
+  @override
+  Widget buildResults(BuildContext context) {
+    return Center(child: Text('Suchergebnisse für: "$query"'));
+  }
+
+  Future<List<Suggestion>> fetchSuggestions(String query) async {
+    final Uri uri = Uri.parse('https://api.f0ck.me/search/?q=$query');
+    try {
+      final http.Response response = await http
+          .get(uri)
+          .timeout(const Duration(seconds: 5));
+
+      if (response.statusCode == 200) {
+        final dynamic decoded = jsonDecode(response.body);
+        if (decoded is List) {
+          final suggestions = decoded
+              .map((item) => Suggestion.fromJson(item as Map<String, dynamic>))
+              .toList();
+          suggestions.sort((a, b) => b.score.compareTo(a.score));
+          return suggestions;
+        } else {
+          throw Exception('Unerwartetes Format: Es wurde eine Liste erwartet.');
+        }
+      } else if (response.statusCode == 400) {
+        final dynamic error = jsonDecode(response.body);
+        final String message = error is Map<String, dynamic>
+            ? error['detail']?.toString() ?? 'Unbekannter Fehler.'
+            : 'Unbekannter Fehler.';
+        throw Exception('Client-Fehler 400: $message');
+      } else {
+        throw Exception(
+          'Fehler beim Abrufen der Vorschläge: ${response.statusCode}',
+        );
+      }
+    } on TimeoutException {
+      throw Exception('Anfrage an die API hat zu lange gedauert.');
+    } catch (e) {
+      throw Exception('Fehler bei der Verarbeitung der Anfrage: $e');
+    }
+  }
+
+  @override
+  Widget buildSuggestions(BuildContext context) {
+    return StatefulBuilder(
+      builder: (BuildContext context, void Function(void Function()) setState) {
+        if (query.isEmpty) {
+          _debounceTimer?.cancel();
+          return Container(
+            padding: const EdgeInsets.all(16.0),
+            child: const Text(''),
+          );
+        }
+
+        if (query != _lastFetchedQuery) {
+          _debounceTimer?.cancel();
+          _isLoading = true;
+          _error = null;
+          _suggestions = null;
+
+          _debounceTimer = Timer(Duration(milliseconds: 500), () async {
+            try {
+              final List<Suggestion> results = await fetchSuggestions(query);
+              _lastFetchedQuery = query;
+              setState(() {
+                _suggestions = results;
+                _isLoading = false;
+              });
+            } catch (e) {
+              _lastFetchedQuery = query;
+              setState(() {
+                _error = e.toString();
+                _suggestions = [];
+                _isLoading = false;
+              });
+            }
+          });
+
+          return Center(child: _buildLoadingIndicator());
+        }
+
+        if (_isLoading) {
+          return Center(child: _buildLoadingIndicator());
+        }
+
+        if (_error != null) {
+          return Center(child: Text("Fehler: $_error"));
+        }
+
+        if (_suggestions == null || _suggestions!.isEmpty) {
+          return Center(child: const Text("Keine Ergebnisse gefunden."));
+        }
+
+        return ListView.builder(
+          itemCount: _suggestions!.length,
+          itemBuilder: (BuildContext context, int index) {
+            final Suggestion suggestion = _suggestions![index];
+            return ListTile(
+              title: Text(suggestion.tag),
+              subtitle: Text(
+                'Getaggt: ${suggestion.tagged}x • Score: ${suggestion.score.toStringAsFixed(2)}',
+                style: TextStyle(fontSize: 12),
+              ),
+              onTap: () async {
+                await controller.setTag(suggestion.tag);
+                close(context, suggestion.tag);
+              },
+            );
+          },
+        );
+      },
+    );
+  }
+
+  Widget _buildLoadingIndicator() {
+    return Column(
+      mainAxisAlignment: MainAxisAlignment.center,
+      children: [
+        const CircularProgressIndicator(strokeWidth: 3.0),
+        const SizedBox(height: 12),
+        const Text(
+          'Vorschläge werden geladen...',
+          style: TextStyle(fontStyle: FontStyle.italic),
+        ),
+      ],
+    );
+  }
+
+  void _clearResults() {
+    _debounceTimer?.cancel();
+    _suggestions = null;
+    _isLoading = false;
+    _error = null;
+    _lastFetchedQuery = "";
+  }
+
+  @override
+  void close(BuildContext context, String result) {
+    _debounceTimer?.cancel();
+    super.close(context, result);
+  }
+}