generated from dellevin/template
676 lines
20 KiB
Dart
676 lines
20 KiB
Dart
import 'package:sqflite/sqflite.dart';
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import 'package:path/path.dart';
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import 'package:flutter/foundation.dart';
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import 'dart:io';
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import '../models/data_models.dart';
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/// 数据库帮助类 - 管理数据库的创建和版本控制
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class DatabaseHelper {
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static final DatabaseHelper instance = DatabaseHelper._init();
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static Database? _database;
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DatabaseHelper._init();
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/// 数据库文件路径
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Future<String?> get databasePath async {
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final path = await getDatabasesPath();
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return join(path, 'mooknote.db');
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}
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/// 重新打开数据库（用于 WebDAV 同步后）
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Future<void> reopenDatabase() async {
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// 关闭现有连接
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if (_database != null) {
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await _database!.close();
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_database = null;
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}
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// 重新初始化
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_database = await _initDB('mooknote.db');
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}
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/// 从备份字节重写数据库文件并安全重连，
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/// 始终按当前代码的 targetVersion 重新初始化，避免版本不一致。
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Future<void> reopenDatabaseFromBytes(Uint8List bytes) async {
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await close();
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final dbPath = await getDatabasesPath();
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final path = join(dbPath, 'mooknote.db');
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final dbFile = File(path);
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if (await dbFile.exists()) {
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await dbFile.delete();
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}
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await dbFile.writeAsBytes(bytes, flush: true);
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_database = await _initDB('mooknote.db');
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}
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Future<Database> get database async {
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if (_database != null) return _database!;
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_database = await _initDB('mooknote.db');
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return _database!;
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}
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Future<Database> _initDB(String filePath) async {
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final dbPath = await getDatabasesPath();
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final path = join(dbPath, filePath);
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return await openDatabase(
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path,
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version: 17,
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onCreate: _createDB,
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onUpgrade: _onUpgrade,
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);
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}
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/// 数据库升级
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Future<void> _onUpgrade(Database db, int oldVersion, int newVersion) async {
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if (oldVersion < 2) {
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// 升级movies表结构
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await _upgradeMoviesTableV2(db);
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}
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if (oldVersion < 3) {
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// 升级books表结构
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await _upgradeBooksTableV3(db);
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}
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if (oldVersion < 4) {
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// 升级notes表结构
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await _upgradeNotesTableV4(db);
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}
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if (oldVersion < 5) {
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// 创建影评表和海报墙表
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await _createMovieReviewsTable(db);
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await _createMoviePostersTable(db);
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}
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if (oldVersion < 6) {
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// 为笔记表添加软删除字段
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await _upgradeNotesTableV6(db);
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}
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if (oldVersion < 7) {
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// 创建书评表和摘抄表
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await _createBookReviewsTable(db);
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await _createBookExcerptsTable(db);
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}
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if (oldVersion < 8) {
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// 确保书评表和摘抄表存在（兼容之前版本未成功创建的情况）
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await _createBookReviewsTable(db);
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await _createBookExcerptsTable(db);
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}
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if (oldVersion < 9) {
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// 为笔记表添加图片字段
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await _upgradeNotesTableV9(db);
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}
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if (oldVersion < 10) {
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// 为影视表添加观看日期字段
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await _upgradeMoviesTableV10(db);
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}
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if (oldVersion < 11) {
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// 为书籍表添加ISBN和出版时间字段
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await _upgradeBooksTableV11(db);
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}
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if (oldVersion < 12) {
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// 确保notes表有title列
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await _upgradeNotesTableV12(db);
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}
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if (oldVersion < 13) {
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await _upgradeToV13(db);
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}
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if (oldVersion < 14) {
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await _createReaderBooksTable(db);
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}
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if (oldVersion < 15) {
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// 安全添加 cover_offset 列（防止列已存在时报错）
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final movieCols = await db.rawQuery('PRAGMA table_info(movies)');
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if (!movieCols.any((col) => col['name'] == 'cover_offset')) {
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await db.execute('ALTER TABLE movies ADD COLUMN cover_offset REAL DEFAULT 0');
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}
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final bookCols = await db.rawQuery('PRAGMA table_info(books)');
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if (!bookCols.any((col) => col['name'] == 'cover_offset')) {
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await db.execute('ALTER TABLE books ADD COLUMN cover_offset REAL DEFAULT 0');
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}
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}
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// v16: 确保 cover_offset 列存在（v15 的数据库可能缺少此列）
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if (oldVersion < 16) {
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final movieCols = await db.rawQuery('PRAGMA table_info(movies)');
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if (!movieCols.any((col) => col['name'] == 'cover_offset')) {
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await db.execute('ALTER TABLE movies ADD COLUMN cover_offset REAL DEFAULT 0');
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}
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final bookCols = await db.rawQuery('PRAGMA table_info(books)');
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if (!bookCols.any((col) => col['name'] == 'cover_offset')) {
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await db.execute('ALTER TABLE books ADD COLUMN cover_offset REAL DEFAULT 0');
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}
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}
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if (oldVersion < 17) {
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await db.execute('ALTER TABLE tags ADD COLUMN is_hidden INTEGER NOT NULL DEFAULT 0');
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}
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}
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/// 升级books表到V11（添加ISBN和出版时间字段）
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Future<void> _upgradeBooksTableV11(Database db) async {
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// 检查是否存在 isbn 列
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final columns = await db.rawQuery('PRAGMA table_info(books)');
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final hasIsbn = columns.any((col) => col['name'] == 'isbn');
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final hasPublishDate = columns.any((col) => col['name'] == 'publish_date');
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if (!hasIsbn) {
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await db.execute('ALTER TABLE books ADD COLUMN isbn TEXT');
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}
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if (!hasPublishDate) {
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await db.execute('ALTER TABLE books ADD COLUMN publish_date TEXT');
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}
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}
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/// 升级movies表到V10（添加观看日期字段）
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Future<void> _upgradeMoviesTableV10(Database db) async {
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// 检查是否存在 watch_date 列
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final columns = await db.rawQuery('PRAGMA table_info(movies)');
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final hasWatchDate = columns.any((col) => col['name'] == 'watch_date');
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if (!hasWatchDate) {
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await db.execute('ALTER TABLE movies ADD COLUMN watch_date TEXT');
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}
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}
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/// 升级notes表到V12（确保title列存在）
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Future<void> _upgradeNotesTableV12(Database db) async {
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// 检查是否存在 title 列
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final columns = await db.rawQuery('PRAGMA table_info(notes)');
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final hasTitle = columns.any((col) => col['name'] == 'title');
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if (!hasTitle) {
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await db.execute('ALTER TABLE notes ADD COLUMN title TEXT DEFAULT \'\'');
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}
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}
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/// 升级到V14：创建阅读器书籍表
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Future<void> _createReaderBooksTable(Database db) async {
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await db.execute('''
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CREATE TABLE IF NOT EXISTS reader_books (
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id TEXT PRIMARY KEY,
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title TEXT NOT NULL,
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author TEXT DEFAULT '',
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cover_path TEXT,
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file_path TEXT NOT NULL,
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file_name TEXT NOT NULL,
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file_extension TEXT NOT NULL DEFAULT 'epub',
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last_read_cfi TEXT DEFAULT '',
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reading_percentage REAL DEFAULT 0.0,
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created_at TEXT NOT NULL,
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updated_at TEXT NOT NULL,
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is_deleted INTEGER DEFAULT 0
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)
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''');
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}
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/// 升级到V13：创建标签表并回填已有数据
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Future<void> _upgradeToV13(Database db) async {
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await db.execute('''
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CREATE TABLE IF NOT EXISTS tags (
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id TEXT PRIMARY KEY,
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name TEXT NOT NULL,
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type TEXT NOT NULL,
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created_at TEXT NOT NULL,
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is_hidden INTEGER NOT NULL DEFAULT 0,
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UNIQUE(name, type)
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)
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''');
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await _backfillTags(db);
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}
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Future<void> _backfillTags(Database db) async {
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final now = DateTime.now().toIso8601String();
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int counter = 0;
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Future<void> insertTag(String name, String type) async {
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try {
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await db.insert('tags', {
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'id': 'tag_${DateTime.now().millisecondsSinceEpoch}_${counter++}',
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'name': name,
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'type': type,
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'created_at': now,
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});
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} catch (_) {
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// 忽略 UNIQUE 约束冲突
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}
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}
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// 回填影视类型
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final movies = await db.query('movies',
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where: 'genres IS NOT NULL AND genres != ?', whereArgs: ['[]']);
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for (final row in movies) {
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for (final genre in Movie.parseStringList(row['genres'])) {
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await insertTag(genre, 'movie_genre');
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}
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}
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// 回填书籍类型
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final books = await db.query('books',
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where: 'genres IS NOT NULL AND genres != ?', whereArgs: ['[]']);
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for (final row in books) {
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for (final genre in Movie.parseStringList(row['genres'])) {
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await insertTag(genre, 'book_genre');
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}
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}
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// 回填笔记标签
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final notes = await db.query('notes',
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where: 'tags IS NOT NULL AND tags != ? AND tags != ?',
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whereArgs: ['[]', '']);
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for (final row in notes) {
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for (final tag in Movie.parseStringList(row['tags'])) {
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await insertTag(tag, 'note_tag');
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}
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}
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}
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/// 升级notes表到V9（添加图片字段）
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Future<void> _upgradeNotesTableV9(Database db) async {
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// 检查是否存在 images 列
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final columns = await db.rawQuery('PRAGMA table_info(notes)');
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final hasImages = columns.any((col) => col['name'] == 'images');
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if (!hasImages) {
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await db.execute('ALTER TABLE notes ADD COLUMN images TEXT');
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}
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}
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/// 升级notes表到V6（添加软删除字段）
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Future<void> _upgradeNotesTableV6(Database db) async {
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// 检查是否存在 is_deleted 列
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final columns = await db.rawQuery('PRAGMA table_info(notes)');
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final hasIsDeleted = columns.any((col) => col['name'] == 'is_deleted');
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if (!hasIsDeleted) {
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await db.execute('ALTER TABLE notes ADD COLUMN is_deleted INTEGER DEFAULT 0');
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}
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}
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/// 创建影评表
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Future<void> _createMovieReviewsTable(Database db) async {
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await db.execute('''
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CREATE TABLE IF NOT EXISTS movie_reviews (
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id TEXT PRIMARY KEY,
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movie_id TEXT NOT NULL,
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content TEXT NOT NULL,
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reviewer TEXT,
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source TEXT,
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review_type INTEGER DEFAULT 1,
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is_deleted INTEGER DEFAULT 0,
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created_at TEXT NOT NULL,
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updated_at TEXT NOT NULL,
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FOREIGN KEY (movie_id) REFERENCES movies (id)
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)
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''');
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}
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/// 创建影视海报墙表
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Future<void> _createMoviePostersTable(Database db) async {
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await db.execute('''
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CREATE TABLE IF NOT EXISTS movie_posters (
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id TEXT PRIMARY KEY,
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movie_id TEXT NOT NULL,
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poster_path TEXT NOT NULL,
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is_deleted INTEGER DEFAULT 0,
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created_at TEXT NOT NULL,
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FOREIGN KEY (movie_id) REFERENCES movies (id)
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)
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''');
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}
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/// 创建书评表
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Future<void> _createBookReviewsTable(Database db) async {
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await db.execute('''
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CREATE TABLE IF NOT EXISTS book_reviews (
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id TEXT PRIMARY KEY,
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book_id TEXT NOT NULL,
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content TEXT NOT NULL,
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reviewer TEXT,
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source TEXT,
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review_type INTEGER DEFAULT 1,
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is_deleted INTEGER DEFAULT 0,
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created_at TEXT NOT NULL,
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updated_at TEXT NOT NULL,
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FOREIGN KEY (book_id) REFERENCES books (id)
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)
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''');
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}
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/// 创建书籍摘抄表
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Future<void> _createBookExcerptsTable(Database db) async {
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await db.execute('''
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CREATE TABLE IF NOT EXISTS book_excerpts (
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id TEXT PRIMARY KEY,
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book_id TEXT NOT NULL,
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chapter TEXT,
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content TEXT NOT NULL,
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comment TEXT,
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is_deleted INTEGER DEFAULT 0,
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created_at TEXT NOT NULL,
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updated_at TEXT NOT NULL,
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FOREIGN KEY (book_id) REFERENCES books (id)
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)
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''');
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}
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/// 升级notes表到V4
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Future<void> _upgradeNotesTableV4(Database db) async {
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// 备份旧数据
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final oldData = await db.query('notes');
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// 删除旧表
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await db.execute('DROP TABLE IF EXISTS notes');
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// 创建新表
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await db.execute('''
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CREATE TABLE notes (
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id TEXT PRIMARY KEY,
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title TEXT DEFAULT '',
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content TEXT NOT NULL,
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content_type TEXT DEFAULT 'markdown',
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tags TEXT,
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created_at TEXT NOT NULL,
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updated_at TEXT NOT NULL
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)
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''');
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// 迁移旧数据（将title字段恢复）
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for (final row in oldData) {
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try {
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final now = DateTime.now().toIso8601String();
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final title = row['title']?.toString() ?? '';
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final content = row['content']?.toString() ?? '';
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await db.insert('notes', {
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'id': row['id']?.toString() ?? DateTime.now().millisecondsSinceEpoch.toString(),
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'title': title,
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'content': content,
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'content_type': 'markdown',
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'tags': row['tags'] ?? '',
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'created_at': row['created_at']?.toString() ?? now,
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'updated_at': row['updated_at']?.toString() ?? now,
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});
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} catch (e) {
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debugPrint('[DB] 迁移笔记记录失败: $e');
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}
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}
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}
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/// 升级books表到V3
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Future<void> _upgradeBooksTableV3(Database db) async {
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// 备份旧数据
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final oldData = await db.query('books');
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// 删除旧表
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await db.execute('DROP TABLE IF EXISTS books');
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// 创建新表
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await db.execute('''
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CREATE TABLE books (
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id TEXT PRIMARY KEY,
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title TEXT NOT NULL,
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cover_path TEXT,
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authors TEXT,
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alternate_titles TEXT,
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publisher TEXT,
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genres TEXT,
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summary TEXT,
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rating REAL,
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status TEXT NOT NULL,
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created_at TEXT NOT NULL,
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updated_at TEXT NOT NULL,
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is_deleted INTEGER DEFAULT 0
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)
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''');
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// 迁移旧数据
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for (final row in oldData) {
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try {
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final now = DateTime.now().toIso8601String();
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await db.insert('books', {
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'id': row['id']?.toString() ?? DateTime.now().millisecondsSinceEpoch.toString(),
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'title': row['title']?.toString() ?? '',
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'cover_path': row['cover'],
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'authors': row['author'] != null ? '["${row['author']}"]' : '[]',
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'alternate_titles': '[]',
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'publisher': null,
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'genres': '[]',
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'summary': row['note'],
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'rating': row['rating'],
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'status': row['status'] ?? 'want_to_read',
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'created_at': now,
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'updated_at': now,
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'is_deleted': 0,
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});
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} catch (e) {
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debugPrint('[DB] 迁移书籍记录失败: $e');
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}
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}
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}
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/// 升级movies表到V2
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Future<void> _upgradeMoviesTableV2(Database db) async {
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// 备份旧数据
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final oldData = await db.query('movies');
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// 删除旧表
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await db.execute('DROP TABLE IF EXISTS movies');
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// 创建新表
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await db.execute('''
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CREATE TABLE movies (
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id TEXT PRIMARY KEY,
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title TEXT NOT NULL,
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poster_path TEXT,
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release_date TEXT,
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directors TEXT,
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writers TEXT,
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actors TEXT,
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genres TEXT,
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alternate_titles TEXT,
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summary TEXT,
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rating REAL,
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status TEXT NOT NULL,
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created_at TEXT NOT NULL,
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updated_at TEXT NOT NULL,
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is_deleted INTEGER DEFAULT 0
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)
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''');
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// 迁移旧数据（尽可能保留）
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for (final row in oldData) {
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try {
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await db.insert('movies', {
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'id': row['id']?.toString() ?? DateTime.now().millisecondsSinceEpoch.toString(),
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'title': row['title']?.toString() ?? '',
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'poster_path': row['poster_path'],
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'release_date': null,
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'directors': '[]',
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'writers': '[]',
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'actors': '[]',
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'genres': '[]',
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'alternate_titles': '[]',
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'summary': row['note'],
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'rating': row['rating'],
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'status': row['status'] ?? 'want_to_watch',
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'created_at': row['created_at']?.toString() ?? DateTime.now().toIso8601String(),
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'updated_at': DateTime.now().toIso8601String(),
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'is_deleted': row['is_deleted'] ?? 0,
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});
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} catch (e) {
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debugPrint('[DB] 迁移影视记录失败: $e');
|
||
}
|
||
}
|
||
}
|
||
|
||
// 创建数据库表
|
||
Future<void> _createDB(Database db, int version) async {
|
||
const idType = 'INTEGER PRIMARY KEY AUTOINCREMENT';
|
||
const textType = 'TEXT NOT NULL';
|
||
const integerType = 'INTEGER NOT NULL';
|
||
const booleanType = 'INTEGER NOT NULL';
|
||
|
||
// 影视表
|
||
await db.execute('''
|
||
CREATE TABLE movies (
|
||
id TEXT PRIMARY KEY,
|
||
title TEXT NOT NULL,
|
||
poster_path TEXT,
|
||
release_date TEXT,
|
||
directors TEXT,
|
||
writers TEXT,
|
||
actors TEXT,
|
||
genres TEXT,
|
||
alternate_titles TEXT,
|
||
summary TEXT,
|
||
rating REAL,
|
||
status TEXT NOT NULL,
|
||
watch_date TEXT,
|
||
created_at TEXT NOT NULL,
|
||
updated_at TEXT NOT NULL,
|
||
is_deleted INTEGER DEFAULT 0,
|
||
cover_offset REAL DEFAULT 0
|
||
)
|
||
''');
|
||
|
||
// 书籍表
|
||
await db.execute('''
|
||
CREATE TABLE books (
|
||
id TEXT PRIMARY KEY,
|
||
title TEXT NOT NULL,
|
||
cover_path TEXT,
|
||
authors TEXT,
|
||
alternate_titles TEXT,
|
||
publisher TEXT,
|
||
genres TEXT,
|
||
summary TEXT,
|
||
rating REAL,
|
||
status TEXT NOT NULL,
|
||
isbn TEXT,
|
||
publish_date TEXT,
|
||
created_at TEXT NOT NULL,
|
||
updated_at TEXT NOT NULL,
|
||
is_deleted INTEGER DEFAULT 0,
|
||
cover_offset REAL DEFAULT 0
|
||
)
|
||
''');
|
||
|
||
// 笔记表
|
||
await db.execute('''
|
||
CREATE TABLE notes (
|
||
id TEXT PRIMARY KEY,
|
||
title TEXT DEFAULT '',
|
||
content TEXT NOT NULL,
|
||
content_type TEXT DEFAULT 'markdown',
|
||
tags TEXT,
|
||
images TEXT,
|
||
created_at TEXT NOT NULL,
|
||
updated_at TEXT NOT NULL,
|
||
is_deleted INTEGER DEFAULT 0
|
||
)
|
||
''');
|
||
|
||
// 影评表
|
||
await db.execute('''
|
||
CREATE TABLE movie_reviews (
|
||
id TEXT PRIMARY KEY,
|
||
movie_id TEXT NOT NULL,
|
||
content TEXT NOT NULL,
|
||
reviewer TEXT,
|
||
source TEXT,
|
||
review_type INTEGER DEFAULT 1,
|
||
is_deleted INTEGER DEFAULT 0,
|
||
created_at TEXT NOT NULL,
|
||
updated_at TEXT NOT NULL,
|
||
FOREIGN KEY (movie_id) REFERENCES movies (id)
|
||
)
|
||
''');
|
||
|
||
// 影视海报墙表
|
||
await db.execute('''
|
||
CREATE TABLE movie_posters (
|
||
id TEXT PRIMARY KEY,
|
||
movie_id TEXT NOT NULL,
|
||
poster_path TEXT NOT NULL,
|
||
is_deleted INTEGER DEFAULT 0,
|
||
created_at TEXT NOT NULL,
|
||
FOREIGN KEY (movie_id) REFERENCES movies (id)
|
||
)
|
||
''');
|
||
|
||
// 书评表
|
||
await db.execute('''
|
||
CREATE TABLE book_reviews (
|
||
id TEXT PRIMARY KEY,
|
||
book_id TEXT NOT NULL,
|
||
content TEXT NOT NULL,
|
||
reviewer TEXT,
|
||
source TEXT,
|
||
review_type INTEGER DEFAULT 1,
|
||
is_deleted INTEGER DEFAULT 0,
|
||
created_at TEXT NOT NULL,
|
||
updated_at TEXT NOT NULL,
|
||
FOREIGN KEY (book_id) REFERENCES books (id)
|
||
)
|
||
''');
|
||
|
||
// 书籍摘抄表
|
||
await db.execute('''
|
||
CREATE TABLE book_excerpts (
|
||
id TEXT PRIMARY KEY,
|
||
book_id TEXT NOT NULL,
|
||
chapter TEXT,
|
||
content TEXT NOT NULL,
|
||
comment TEXT,
|
||
is_deleted INTEGER DEFAULT 0,
|
||
created_at TEXT NOT NULL,
|
||
updated_at TEXT NOT NULL,
|
||
FOREIGN KEY (book_id) REFERENCES books (id)
|
||
)
|
||
''');
|
||
|
||
// 标签表
|
||
await db.execute('''
|
||
CREATE TABLE IF NOT EXISTS tags (
|
||
id TEXT PRIMARY KEY,
|
||
name TEXT NOT NULL,
|
||
type TEXT NOT NULL,
|
||
created_at TEXT NOT NULL,
|
||
is_hidden INTEGER NOT NULL DEFAULT 0,
|
||
UNIQUE(name, type)
|
||
)
|
||
''');
|
||
|
||
// 阅读器书籍表
|
||
await db.execute('''
|
||
CREATE TABLE IF NOT EXISTS reader_books (
|
||
id TEXT PRIMARY KEY,
|
||
title TEXT NOT NULL,
|
||
author TEXT DEFAULT '',
|
||
cover_path TEXT,
|
||
file_path TEXT NOT NULL,
|
||
file_name TEXT NOT NULL,
|
||
file_extension TEXT NOT NULL DEFAULT 'epub',
|
||
last_read_cfi TEXT DEFAULT '',
|
||
reading_percentage REAL DEFAULT 0.0,
|
||
created_at TEXT NOT NULL,
|
||
updated_at TEXT NOT NULL,
|
||
is_deleted INTEGER DEFAULT 0
|
||
)
|
||
''');
|
||
}
|
||
|
||
// 关闭数据库
|
||
Future close() async {
|
||
if (_database != null) {
|
||
await _database!.close();
|
||
_database = null;
|
||
}
|
||
}
|
||
|
||
// 重新打开（关闭后重新初始化）
|
||
Future reopen() async {
|
||
await close();
|
||
await database;
|
||
}
|
||
}
|