70 lines
2.3 KiB
Dart
70 lines
2.3 KiB
Dart
import 'dart:convert';
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import 'dart:io';
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import 'package:flutter/foundation.dart';
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import 'package:flutter/services.dart';
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import '../models/external_symbol_model.dart';
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class ExternalSymbolsRepository {
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static final ExternalSymbolsRepository _instance = ExternalSymbolsRepository._internal();
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factory ExternalSymbolsRepository() => _instance;
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ExternalSymbolsRepository._internal();
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List<ExternalSymbol> _symbols = [];
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bool _isLoaded = false;
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List<ExternalSymbol> get allSymbols => _symbols;
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bool get isLoaded => _isLoaded;
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int get totalCount => _symbols.length;
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Future<void> init() async {
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if (_isLoaded) return;
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try {
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String jsonStr = '';
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// 1. Попытка чтения напрямую из файловой системы (для dev / test)
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for (final p in ['assets/data/oracle_external_symbols.json', '../assets/data/oracle_external_symbols.json']) {
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final f = File(p);
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if (f.existsSync()) {
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jsonStr = f.readAsStringSync();
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break;
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}
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}
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// 2. В релизе загружаем через rootBundle
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if (jsonStr.isEmpty && !Platform.environment.containsKey('FLUTTER_TEST')) {
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try {
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jsonStr = await rootBundle.loadString('assets/data/oracle_external_symbols.json');
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} catch (_) {}
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}
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if (jsonStr.isNotEmpty) {
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final decoded = json.decode(jsonStr) as Map<String, dynamic>;
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_symbols = decoded.values
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.map((v) => ExternalSymbol.fromMap(Map<String, dynamic>.from(v as Map)))
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.toList();
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// Сортируем по алфавиту
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_symbols.sort((a, b) => a.term.toLowerCase().compareTo(b.term.toLowerCase()));
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_isLoaded = true;
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}
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} catch (e) {
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debugPrint('[ExternalSymbolsRepository] Ошибка загрузки: $e');
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}
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}
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List<ExternalSymbol> search(String query, {bool onlyWithImages = false}) {
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final q = query.trim().toLowerCase();
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return _symbols.where((s) {
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if (onlyWithImages && !s.hasIllustrations) return false;
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if (q.isEmpty) return true;
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if (s.term.toLowerCase().contains(q)) return true;
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if (s.normalized.contains(q)) return true;
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if (s.sources.any((src) => src.author.toLowerCase().contains(q) || src.excerpt.toLowerCase().contains(q))) {
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return true;
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}
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return false;
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}).toList();
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}
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}
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