generated from dellevin/template
164 lines
3.8 KiB
Dart
164 lines
3.8 KiB
Dart
import 'package:flutter/material.dart';
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import '../models/data_models.dart';
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import '../utils/movie_dao.dart';
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import '../utils/book_dao.dart';
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import '../utils/note_dao.dart';
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/// 应用全局状态管理
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class AppProvider extends ChangeNotifier {
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// 数据库访问对象
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final MovieDao _movieDao = MovieDao();
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final BookDao _bookDao = BookDao();
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final NoteDao _noteDao = NoteDao();
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// 数据列表
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List<Movie> _movies = [];
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List<Book> _books = [];
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List<Note> _notes = [];
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// 当前主界面选中的标签 (0: 观影，1: 阅读，2: 笔记)
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int _mainTabIndex = 0;
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// 当前底部导航选中的索引 (0: 主页，1: 新增，2: 我的)
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int _bottomNavIndex = 0;
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// 观影选中的状态 (0: 已看，1: 想看，2: 在看)
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int _movieStatusIndex = 0;
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// 阅读选中的状态 (0: 读完，1: 在读，2: 准备读)
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int _bookStatusIndex = 0;
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// 侧边菜单是否打开
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bool _drawerOpen = false;
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// 初始化数据库
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Future<void> initDatabase() async {
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await loadMovies();
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await loadBooks();
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await loadNotes();
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}
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// 加载影视数据
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Future<void> loadMovies() async {
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_movies = await _movieDao.getAllMovies();
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notifyListeners();
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}
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// 加载书籍数据
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Future<void> loadBooks() async {
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_books = await _bookDao.getAllBooks();
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notifyListeners();
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}
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// 加载笔记数据
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Future<void> loadNotes() async {
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_notes = await _noteDao.getAllNotes();
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notifyListeners();
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}
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// Getters
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int get mainTabIndex => _mainTabIndex;
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int get bottomNavIndex => _bottomNavIndex;
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int get movieStatusIndex => _movieStatusIndex;
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int get bookStatusIndex => _bookStatusIndex;
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bool get drawerOpen => _drawerOpen;
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List<Movie> get movies => _movies;
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List<Book> get books => _books;
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List<Note> get notes => _notes;
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// 根据状态获取影视列表
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List<Movie> getMoviesByStatus(String status) {
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return _movies.where((movie) => movie.status == status).toList();
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}
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// 根据状态获取书籍列表
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List<Book> getBooksByStatus(String status) {
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return _books.where((book) => book.status == status).toList();
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}
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// Setters
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void setMainTabIndex(int index) {
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_mainTabIndex = index;
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notifyListeners();
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}
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void setBottomNavIndex(int index) {
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_bottomNavIndex = index;
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notifyListeners();
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}
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void setMovieStatusIndex(int index) {
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_movieStatusIndex = index;
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notifyListeners();
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}
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void setBookStatusIndex(int index) {
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_bookStatusIndex = index;
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notifyListeners();
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}
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void toggleDrawer() {
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_drawerOpen = !_drawerOpen;
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notifyListeners();
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}
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void closeDrawer() {
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_drawerOpen = false;
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notifyListeners();
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}
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// 添加影视记录
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Future<void> addMovie(Movie movie) async {
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await _movieDao.insertMovie(movie);
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await loadMovies();
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}
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// 更新影视记录
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Future<void> updateMovie(Movie movie) async {
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await _movieDao.updateMovie(movie);
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await loadMovies();
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}
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// 删除影视记录
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Future<void> removeMovie(String id) async {
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await _movieDao.deleteMovie(id);
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await loadMovies();
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}
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// 添加书籍记录
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Future<void> addBook(Book book) async {
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await _bookDao.insertBook(book);
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await loadBooks();
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}
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// 更新书籍记录
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Future<void> updateBook(Book book) async {
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await _bookDao.updateBook(book);
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await loadBooks();
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}
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// 删除书籍记录
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Future<void> removeBook(String id) async {
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await _bookDao.deleteBook(id);
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await loadBooks();
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}
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// 添加笔记
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Future<void> addNote(Note note) async {
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await _noteDao.insertNote(note);
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await loadNotes();
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}
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// 更新笔记
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Future<void> updateNote(Note note) async {
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await _noteDao.updateNote(note);
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await loadNotes();
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}
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// 删除笔记
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Future<void> removeNote(String id) async {
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await _noteDao.deleteNote(id);
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await loadNotes();
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}
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}
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