Initial commit

2026-04-24 23:31:40 -05:00
commit b5fd617592
152 changed files with 6980 additions and 0 deletions
@@ -0,0 +1,97 @@
+import 'dart:convert';
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+import '../models/dinosaur.dart';
+
+class DinoProvider extends ChangeNotifier {
+  List<Dinosaur> _allDinos = [];
+  List<Dinosaur> _filteredDinos = [];
+  Set<String> _favoriteNames = {};
+
+  bool _isMetric = true;
+  bool _isDarkMode = false;
+  Dinosaur? _dinoOfTheDay;
+  String _searchQuery = "";
+  String _selectedDiet = "All";
+  String _selectedClassification = "All";
+
+  List<Dinosaur> get dinos => _filteredDinos;
+  bool get isMetric => _isMetric;
+  bool get isDarkMode => _isDarkMode;
+  Dinosaur? get dinoOfTheDay => _dinoOfTheDay;
+  String get selectedDiet => _selectedDiet;
+  String get selectedClassification => _selectedClassification;
+
+  List<String> get classifications {
+    final types = _allDinos.map((d) => d.classification).toSet().toList();
+    types.sort();
+    return ["All", ...types];
+  }
+
+  bool isFavorite(String name) => _favoriteNames.contains(name);
+
+  List<Dinosaur> getRelated(Dinosaur current) {
+    return _allDinos.where((d) => d.family == current.family && d.name != current.name).toList();
+  }
+
+  Future<void> loadData() async {
+    try {
+      final String response = await rootBundle.loadString('assets/dinosaurs.json');
+      final List<dynamic> data = json.decode(response);
+      _allDinos = data.map((json) => Dinosaur.fromJson(json)).toList();
+
+      if (_allDinos.isNotEmpty) {
+        int dayIndex = DateTime.now().difference(DateTime(2024, 1, 1)).inDays;
+        _dinoOfTheDay = _allDinos[dayIndex % _allDinos.length];
+      }
+
+      final prefs = await SharedPreferences.getInstance();
+      _isMetric = prefs.getBool('isMetric') ?? true;
+      _isDarkMode = prefs.getBool('isDarkMode') ?? false;
+      _favoriteNames = (prefs.getStringList('favorites') ?? []).toSet();
+      _applyFilters();
+    } catch (e) {
+      debugPrint("Error loading data: $e");
+    }
+  }
+
+  void toggleUnits() async {
+    _isMetric = !_isMetric;
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.setBool('isMetric', _isMetric);
+    notifyListeners();
+  }
+
+  void toggleTheme() async {
+    _isDarkMode = !_isDarkMode;
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.setBool('isDarkMode', _isDarkMode);
+    notifyListeners();
+  }
+
+  String formatWeight(double kg) => _isMetric ? "${kg.toInt()} kg" : "${(kg * 2.204).toInt()} lbs";
+  String formatLength(double m) => _isMetric ? "$m m" : "${(m * 3.28).toStringAsFixed(1)} ft";
+
+  void toggleFavorite(String name) async {
+    if (_favoriteNames.contains(name)) _favoriteNames.remove(name);
+    else _favoriteNames.add(name);
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.setStringList('favorites', _favoriteNames.toList());
+    notifyListeners();
+  }
+
+  void updateSearch(String q) { _searchQuery = q; _applyFilters(); }
+  void updateDietFilter(String d) { _selectedDiet = d; _applyFilters(); }
+  void updateClassificationFilter(String c) { _selectedClassification = c; _applyFilters(); }
+
+  void _applyFilters() {
+    _filteredDinos = _allDinos.where((dino) {
+      final matchesSearch = dino.name.toLowerCase().contains(_searchQuery.toLowerCase());
+      final matchesDiet = _selectedDiet == "All" || dino.dietType == _selectedDiet;
+      final matchesClass = _selectedClassification == "All" || dino.classification == _selectedClassification;
+      return matchesSearch && matchesDiet && matchesClass;
+    }).toList();
+    notifyListeners();
+  }
+}